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-rw-r--r--tools/power/acpi/Makefile5
-rw-r--r--tools/power/acpi/Makefile.config5
-rw-r--r--tools/power/acpi/Makefile.rules5
-rw-r--r--tools/power/acpi/os_specific/service_layers/oslinuxtbl.c48
-rw-r--r--tools/power/acpi/tools/acpidbg/Makefile5
-rw-r--r--tools/power/acpi/tools/acpidbg/acpidbg.c5
-rw-r--r--tools/power/acpi/tools/acpidump/Makefile5
-rw-r--r--tools/power/acpi/tools/acpidump/apdump.c8
-rw-r--r--tools/power/acpi/tools/acpidump/apfiles.c8
-rw-r--r--tools/power/acpi/tools/ec/Makefile5
-rw-r--r--tools/power/acpi/tools/ec/ec_access.c3
-rw-r--r--tools/power/cpupower/Makefile14
-rw-r--r--tools/power/cpupower/bench/benchmark.c15
-rw-r--r--tools/power/cpupower/bench/benchmark.h15
-rw-r--r--tools/power/cpupower/bench/config.h15
-rw-r--r--tools/power/cpupower/bench/cpufreq-bench_plot.sh15
-rw-r--r--tools/power/cpupower/bench/cpufreq-bench_script.sh15
-rw-r--r--tools/power/cpupower/bench/main.c15
-rw-r--r--tools/power/cpupower/bench/parse.c15
-rw-r--r--tools/power/cpupower/bench/parse.h15
-rw-r--r--tools/power/cpupower/bench/system.c15
-rw-r--r--tools/power/cpupower/bench/system.h15
-rw-r--r--tools/power/cpupower/debug/i386/centrino-decode.c3
-rw-r--r--tools/power/cpupower/debug/i386/intel_gsic.c3
-rw-r--r--tools/power/cpupower/debug/i386/powernow-k8-decode.c3
-rw-r--r--tools/power/cpupower/debug/kernel/cpufreq-test_tsc.c1
-rw-r--r--tools/power/cpupower/lib/cpufreq.c3
-rw-r--r--tools/power/cpupower/lib/cpufreq.h10
-rw-r--r--tools/power/cpupower/lib/cpuidle.c3
-rw-r--r--tools/power/cpupower/lib/cpupower.c3
-rw-r--r--tools/power/cpupower/utils/cpufreq-info.c3
-rw-r--r--tools/power/cpupower/utils/cpufreq-set.c3
-rw-r--r--tools/power/cpupower/utils/cpuidle-info.c3
-rw-r--r--tools/power/cpupower/utils/cpupower-info.c3
-rw-r--r--tools/power/cpupower/utils/cpupower-set.c3
-rw-r--r--tools/power/cpupower/utils/cpupower.c3
-rw-r--r--tools/power/cpupower/utils/helpers/helpers.h3
-rw-r--r--tools/power/cpupower/utils/helpers/sysfs.c3
-rw-r--r--tools/power/cpupower/utils/helpers/topology.c3
-rw-r--r--tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c3
-rw-r--r--tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c4
-rw-r--r--tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c4
-rw-r--r--tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h4
-rw-r--r--tools/power/cpupower/utils/idle_monitor/hsw_ext_idle.c3
-rw-r--r--tools/power/cpupower/utils/idle_monitor/idle_monitors.h4
-rw-r--r--tools/power/cpupower/utils/idle_monitor/mperf_monitor.c3
-rw-r--r--tools/power/cpupower/utils/idle_monitor/nhm_idle.c3
-rw-r--r--tools/power/cpupower/utils/idle_monitor/snb_idle.c3
-rwxr-xr-xtools/power/pm-graph/bootgraph.py10
-rwxr-xr-xtools/power/pm-graph/sleepgraph.py10
-rwxr-xr-xtools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py1
-rw-r--r--tools/power/x86/turbostat/Makefile2
-rw-r--r--tools/power/x86/turbostat/turbostat.c291
-rw-r--r--tools/power/x86/x86_energy_perf_policy/Makefile2
-rw-r--r--tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy.c3
55 files changed, 303 insertions, 369 deletions
diff --git a/tools/power/acpi/Makefile b/tools/power/acpi/Makefile
index a8bf9081512b..ebd3e1a1c28e 100644
--- a/tools/power/acpi/Makefile
+++ b/tools/power/acpi/Makefile
@@ -1,12 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0-only
# tools/power/acpi/Makefile - ACPI tool Makefile
#
# Copyright (c) 2013, Intel Corporation
# Author: Lv Zheng <lv.zheng@intel.com>
#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; version 2
-# of the License.
include ../../scripts/Makefile.include
diff --git a/tools/power/acpi/Makefile.config b/tools/power/acpi/Makefile.config
index f304be71c278..0111d246d1ca 100644
--- a/tools/power/acpi/Makefile.config
+++ b/tools/power/acpi/Makefile.config
@@ -1,12 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0-only
# tools/power/acpi/Makefile.config - ACPI tool Makefile
#
# Copyright (c) 2015, Intel Corporation
# Author: Lv Zheng <lv.zheng@intel.com>
#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; version 2
-# of the License.
ifeq ($(srctree),)
srctree := $(patsubst %/,%,$(dir $(shell pwd)))
diff --git a/tools/power/acpi/Makefile.rules b/tools/power/acpi/Makefile.rules
index 373738338f51..2a6c170b57cd 100644
--- a/tools/power/acpi/Makefile.rules
+++ b/tools/power/acpi/Makefile.rules
@@ -1,12 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0-only
# tools/power/acpi/Makefile.rules - ACPI tool Makefile
#
# Copyright (c) 2015, Intel Corporation
# Author: Lv Zheng <lv.zheng@intel.com>
#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; version 2
-# of the License.
objdir := $(OUTPUT)tools/$(TOOL)/
toolobjs := $(addprefix $(objdir),$(TOOL_OBJS))
diff --git a/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c
index 2a1fd9182f94..d1f3d44e315e 100644
--- a/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c
+++ b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c
@@ -19,7 +19,7 @@ ACPI_MODULE_NAME("oslinuxtbl")
typedef struct osl_table_info {
struct osl_table_info *next;
u32 instance;
- char signature[ACPI_NAME_SIZE];
+ char signature[ACPI_NAMESEG_SIZE];
} osl_table_info;
@@ -286,14 +286,14 @@ static acpi_status osl_add_table_to_list(char *signature, u32 instance)
return (AE_NO_MEMORY);
}
- ACPI_MOVE_NAME(new_info->signature, signature);
+ ACPI_COPY_NAMESEG(new_info->signature, signature);
if (!gbl_table_list_head) {
gbl_table_list_head = new_info;
} else {
next = gbl_table_list_head;
while (1) {
- if (ACPI_COMPARE_NAME(next->signature, signature)) {
+ if (ACPI_COMPARE_NAMESEG(next->signature, signature)) {
if (next->instance == instance) {
found = TRUE;
}
@@ -782,11 +782,11 @@ osl_get_bios_table(char *signature,
/* Handle special tables whose addresses are not in RSDT/XSDT */
- if (ACPI_COMPARE_NAME(signature, ACPI_RSDP_NAME) ||
- ACPI_COMPARE_NAME(signature, ACPI_SIG_RSDT) ||
- ACPI_COMPARE_NAME(signature, ACPI_SIG_XSDT) ||
- ACPI_COMPARE_NAME(signature, ACPI_SIG_DSDT) ||
- ACPI_COMPARE_NAME(signature, ACPI_SIG_FACS)) {
+ if (ACPI_COMPARE_NAMESEG(signature, ACPI_RSDP_NAME) ||
+ ACPI_COMPARE_NAMESEG(signature, ACPI_SIG_RSDT) ||
+ ACPI_COMPARE_NAMESEG(signature, ACPI_SIG_XSDT) ||
+ ACPI_COMPARE_NAMESEG(signature, ACPI_SIG_DSDT) ||
+ ACPI_COMPARE_NAMESEG(signature, ACPI_SIG_FACS)) {
find_next_instance:
@@ -797,7 +797,7 @@ find_next_instance:
* careful about the FADT length and validate table addresses.
* Note: The 64-bit addresses have priority.
*/
- if (ACPI_COMPARE_NAME(signature, ACPI_SIG_DSDT)) {
+ if (ACPI_COMPARE_NAMESEG(signature, ACPI_SIG_DSDT)) {
if (current_instance < 2) {
if ((gbl_fadt->header.length >=
MIN_FADT_FOR_XDSDT) && gbl_fadt->Xdsdt
@@ -815,7 +815,7 @@ find_next_instance:
dsdt;
}
}
- } else if (ACPI_COMPARE_NAME(signature, ACPI_SIG_FACS)) {
+ } else if (ACPI_COMPARE_NAMESEG(signature, ACPI_SIG_FACS)) {
if (current_instance < 2) {
if ((gbl_fadt->header.length >=
MIN_FADT_FOR_XFACS) && gbl_fadt->Xfacs
@@ -833,7 +833,7 @@ find_next_instance:
facs;
}
}
- } else if (ACPI_COMPARE_NAME(signature, ACPI_SIG_XSDT)) {
+ } else if (ACPI_COMPARE_NAMESEG(signature, ACPI_SIG_XSDT)) {
if (!gbl_revision) {
return (AE_BAD_SIGNATURE);
}
@@ -842,7 +842,7 @@ find_next_instance:
(acpi_physical_address)gbl_rsdp.
xsdt_physical_address;
}
- } else if (ACPI_COMPARE_NAME(signature, ACPI_SIG_RSDT)) {
+ } else if (ACPI_COMPARE_NAMESEG(signature, ACPI_SIG_RSDT)) {
if (current_instance == 0) {
table_address =
(acpi_physical_address)gbl_rsdp.
@@ -931,7 +931,7 @@ find_next_instance:
/* Does this table match the requested signature? */
- if (!ACPI_COMPARE_NAME
+ if (!ACPI_COMPARE_NAMESEG
(mapped_table->signature, signature)) {
osl_unmap_table(mapped_table);
mapped_table = NULL;
@@ -995,7 +995,7 @@ static acpi_status osl_list_customized_tables(char *directory)
{
void *table_dir;
u32 instance;
- char temp_name[ACPI_NAME_SIZE];
+ char temp_name[ACPI_NAMESEG_SIZE];
char *filename;
acpi_status status = AE_OK;
@@ -1086,8 +1086,8 @@ osl_map_table(acpi_size address,
return (AE_BAD_SIGNATURE);
}
} else
- if (!ACPI_COMPARE_NAME(signature, mapped_table->signature))
- {
+ if (!ACPI_COMPARE_NAMESEG
+ (signature, mapped_table->signature)) {
acpi_os_unmap_memory(mapped_table,
sizeof(struct acpi_table_header));
return (AE_BAD_SIGNATURE);
@@ -1158,15 +1158,15 @@ osl_table_name_from_file(char *filename, char *signature, u32 *instance)
/* Ignore meaningless files */
- if (strlen(filename) < ACPI_NAME_SIZE) {
+ if (strlen(filename) < ACPI_NAMESEG_SIZE) {
return (AE_BAD_SIGNATURE);
}
/* Extract instance number */
- if (isdigit((int)filename[ACPI_NAME_SIZE])) {
- sscanf(&filename[ACPI_NAME_SIZE], "%u", instance);
- } else if (strlen(filename) != ACPI_NAME_SIZE) {
+ if (isdigit((int)filename[ACPI_NAMESEG_SIZE])) {
+ sscanf(&filename[ACPI_NAMESEG_SIZE], "%u", instance);
+ } else if (strlen(filename) != ACPI_NAMESEG_SIZE) {
return (AE_BAD_SIGNATURE);
} else {
*instance = 0;
@@ -1174,7 +1174,7 @@ osl_table_name_from_file(char *filename, char *signature, u32 *instance)
/* Extract signature */
- ACPI_MOVE_NAME(signature, filename);
+ ACPI_COPY_NAMESEG(signature, filename);
return (AE_OK);
}
@@ -1236,7 +1236,7 @@ osl_read_table_from_file(char *filename,
status = AE_BAD_SIGNATURE;
goto exit;
}
- } else if (!ACPI_COMPARE_NAME(signature, header.signature)) {
+ } else if (!ACPI_COMPARE_NAMESEG(signature, header.signature)) {
fprintf(stderr,
"Incorrect signature: Expecting %4.4s, found %4.4s\n",
signature, header.signature);
@@ -1311,7 +1311,7 @@ osl_get_customized_table(char *pathname,
{
void *table_dir;
u32 current_instance = 0;
- char temp_name[ACPI_NAME_SIZE];
+ char temp_name[ACPI_NAMESEG_SIZE];
char table_filename[PATH_MAX];
char *filename;
acpi_status status;
@@ -1329,7 +1329,7 @@ osl_get_customized_table(char *pathname,
/* Ignore meaningless files */
- if (!ACPI_COMPARE_NAME(filename, signature)) {
+ if (!ACPI_COMPARE_NAMESEG(filename, signature)) {
continue;
}
diff --git a/tools/power/acpi/tools/acpidbg/Makefile b/tools/power/acpi/tools/acpidbg/Makefile
index f2d06e773eb4..2ce0ee5d0deb 100644
--- a/tools/power/acpi/tools/acpidbg/Makefile
+++ b/tools/power/acpi/tools/acpidbg/Makefile
@@ -1,12 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0-only
# tools/power/acpi/tools/acpidbg/Makefile - ACPI tool Makefile
#
# Copyright (c) 2015, Intel Corporation
# Author: Lv Zheng <lv.zheng@intel.com>
#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; version 2
-# of the License.
include ../../Makefile.config
diff --git a/tools/power/acpi/tools/acpidbg/acpidbg.c b/tools/power/acpi/tools/acpidbg/acpidbg.c
index 4308362d7068..3d2bfd716028 100644
--- a/tools/power/acpi/tools/acpidbg/acpidbg.c
+++ b/tools/power/acpi/tools/acpidbg/acpidbg.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* ACPI AML interfacing userspace utility
*
* Copyright (C) 2015, Intel Corporation
* Authors: Lv Zheng <lv.zheng@intel.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <acpi/acpi.h>
diff --git a/tools/power/acpi/tools/acpidump/Makefile b/tools/power/acpi/tools/acpidump/Makefile
index b436f8675f6a..1208a105a871 100644
--- a/tools/power/acpi/tools/acpidump/Makefile
+++ b/tools/power/acpi/tools/acpidump/Makefile
@@ -1,12 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0-only
# tools/power/acpi/tools/acpidump/Makefile - ACPI tool Makefile
#
# Copyright (c) 2015, Intel Corporation
# Author: Lv Zheng <lv.zheng@intel.com>
#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; version 2
-# of the License.
include ../../Makefile.config
diff --git a/tools/power/acpi/tools/acpidump/apdump.c b/tools/power/acpi/tools/acpidump/apdump.c
index e256c2ac5ddc..820baeb5092b 100644
--- a/tools/power/acpi/tools/acpidump/apdump.c
+++ b/tools/power/acpi/tools/acpidump/apdump.c
@@ -289,14 +289,14 @@ int ap_dump_table_by_address(char *ascii_address)
int ap_dump_table_by_name(char *signature)
{
- char local_signature[ACPI_NAME_SIZE + 1];
+ char local_signature[ACPI_NAMESEG_SIZE + 1];
u32 instance;
struct acpi_table_header *table;
acpi_physical_address address;
acpi_status status;
int table_status;
- if (strlen(signature) != ACPI_NAME_SIZE) {
+ if (strlen(signature) != ACPI_NAMESEG_SIZE) {
fprintf(stderr,
"Invalid table signature [%s]: must be exactly 4 characters\n",
signature);
@@ -310,9 +310,9 @@ int ap_dump_table_by_name(char *signature)
/* To be friendly, handle tables whose signatures do not match the name */
- if (ACPI_COMPARE_NAME(local_signature, "FADT")) {
+ if (ACPI_COMPARE_NAMESEG(local_signature, "FADT")) {
strcpy(local_signature, ACPI_SIG_FADT);
- } else if (ACPI_COMPARE_NAME(local_signature, "MADT")) {
+ } else if (ACPI_COMPARE_NAMESEG(local_signature, "MADT")) {
strcpy(local_signature, ACPI_SIG_MADT);
}
diff --git a/tools/power/acpi/tools/acpidump/apfiles.c b/tools/power/acpi/tools/acpidump/apfiles.c
index 49972bc78bc5..a42cfcaa3293 100644
--- a/tools/power/acpi/tools/acpidump/apfiles.c
+++ b/tools/power/acpi/tools/acpidump/apfiles.c
@@ -97,7 +97,7 @@ int ap_open_output_file(char *pathname)
int ap_write_to_binary_file(struct acpi_table_header *table, u32 instance)
{
- char filename[ACPI_NAME_SIZE + 16];
+ char filename[ACPI_NAMESEG_SIZE + 16];
char instance_str[16];
ACPI_FILE file;
acpi_size actual;
@@ -110,16 +110,16 @@ int ap_write_to_binary_file(struct acpi_table_header *table, u32 instance)
/* Construct lower-case filename from the table local signature */
if (ACPI_VALIDATE_RSDP_SIG(table->signature)) {
- ACPI_MOVE_NAME(filename, ACPI_RSDP_NAME);
+ ACPI_COPY_NAMESEG(filename, ACPI_RSDP_NAME);
} else {
- ACPI_MOVE_NAME(filename, table->signature);
+ ACPI_COPY_NAMESEG(filename, table->signature);
}
filename[0] = (char)tolower((int)filename[0]);
filename[1] = (char)tolower((int)filename[1]);
filename[2] = (char)tolower((int)filename[2]);
filename[3] = (char)tolower((int)filename[3]);
- filename[ACPI_NAME_SIZE] = 0;
+ filename[ACPI_NAMESEG_SIZE] = 0;
/* Handle multiple SSDts - create different filenames for each */
diff --git a/tools/power/acpi/tools/ec/Makefile b/tools/power/acpi/tools/ec/Makefile
index 75d8a127b6ee..d0abac0ec23a 100644
--- a/tools/power/acpi/tools/ec/Makefile
+++ b/tools/power/acpi/tools/ec/Makefile
@@ -1,12 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0-only
# tools/power/acpi/tools/acpidump/Makefile - ACPI tool Makefile
#
# Copyright (c) 2015, Intel Corporation
# Author: Lv Zheng <lv.zheng@intel.com>
#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; version 2
-# of the License.
include ../../Makefile.config
diff --git a/tools/power/acpi/tools/ec/ec_access.c b/tools/power/acpi/tools/ec/ec_access.c
index 5f50642386db..8bb271b210d8 100644
--- a/tools/power/acpi/tools/ec/ec_access.c
+++ b/tools/power/acpi/tools/ec/ec_access.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* ec_access.c
*
* Copyright (C) 2010 SUSE Linux Products GmbH
* Author:
* Thomas Renninger <trenn@suse.de>
- *
- * This work is licensed under the terms of the GNU GPL, version 2.
*/
#include <fcntl.h>
diff --git a/tools/power/cpupower/Makefile b/tools/power/cpupower/Makefile
index fd8765af19bb..9063fca480b3 100644
--- a/tools/power/cpupower/Makefile
+++ b/tools/power/cpupower/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
# Makefile for cpupower
#
# Copyright (C) 2005,2006 Dominik Brodowski <linux@dominikbrodowski.net>
@@ -6,19 +7,6 @@
#
# Copyright (C) 2003,2004 Greg Kroah-Hartman <greg@kroah.com>
#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; version 2 of the License.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-#
OUTPUT=./
ifeq ("$(origin O)", "command line")
OUTPUT := $(O)/
diff --git a/tools/power/cpupower/bench/benchmark.c b/tools/power/cpupower/bench/benchmark.c
index 429d51ab8031..c7234cf3f6ff 100644
--- a/tools/power/cpupower/bench/benchmark.c
+++ b/tools/power/cpupower/bench/benchmark.c
@@ -1,20 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/* cpufreq-bench CPUFreq microbenchmark
*
* Copyright (C) 2008 Christian Kornacker <ckornacker@suse.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdio.h>
diff --git a/tools/power/cpupower/bench/benchmark.h b/tools/power/cpupower/bench/benchmark.h
index 51d7f50ac2bb..bf612de897eb 100644
--- a/tools/power/cpupower/bench/benchmark.h
+++ b/tools/power/cpupower/bench/benchmark.h
@@ -1,20 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/* cpufreq-bench CPUFreq microbenchmark
*
* Copyright (C) 2008 Christian Kornacker <ckornacker@suse.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* load loop, this schould take about 1 to 2ms to complete */
diff --git a/tools/power/cpupower/bench/config.h b/tools/power/cpupower/bench/config.h
index ee6f258e5336..fec5b0b055f2 100644
--- a/tools/power/cpupower/bench/config.h
+++ b/tools/power/cpupower/bench/config.h
@@ -1,20 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/* cpufreq-bench CPUFreq microbenchmark
*
* Copyright (C) 2008 Christian Kornacker <ckornacker@suse.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* initial loop count for the load calibration */
diff --git a/tools/power/cpupower/bench/cpufreq-bench_plot.sh b/tools/power/cpupower/bench/cpufreq-bench_plot.sh
index 410021a12f40..9061b4f1244e 100644
--- a/tools/power/cpupower/bench/cpufreq-bench_plot.sh
+++ b/tools/power/cpupower/bench/cpufreq-bench_plot.sh
@@ -1,19 +1,6 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-# 02110-1301, USA.
# Author/Copyright(c): 2009, Thomas Renninger <trenn@suse.de>, Novell Inc.
diff --git a/tools/power/cpupower/bench/cpufreq-bench_script.sh b/tools/power/cpupower/bench/cpufreq-bench_script.sh
index de20d2a06879..4e9714b876d2 100644
--- a/tools/power/cpupower/bench/cpufreq-bench_script.sh
+++ b/tools/power/cpupower/bench/cpufreq-bench_script.sh
@@ -1,19 +1,6 @@
#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-# 02110-1301, USA.
# Author/Copyright(c): 2009, Thomas Renninger <trenn@suse.de>, Novell Inc.
diff --git a/tools/power/cpupower/bench/main.c b/tools/power/cpupower/bench/main.c
index 24910313a521..429d1b6b8bc8 100644
--- a/tools/power/cpupower/bench/main.c
+++ b/tools/power/cpupower/bench/main.c
@@ -1,20 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/* cpufreq-bench CPUFreq microbenchmark
*
* Copyright (C) 2008 Christian Kornacker <ckornacker@suse.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdio.h>
diff --git a/tools/power/cpupower/bench/parse.c b/tools/power/cpupower/bench/parse.c
index 84caee38418f..e63dc11fa3a5 100644
--- a/tools/power/cpupower/bench/parse.c
+++ b/tools/power/cpupower/bench/parse.c
@@ -1,20 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/* cpufreq-bench CPUFreq microbenchmark
*
* Copyright (C) 2008 Christian Kornacker <ckornacker@suse.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdio.h>
diff --git a/tools/power/cpupower/bench/parse.h b/tools/power/cpupower/bench/parse.h
index a8dc632d9eee..d5b3e34d7064 100644
--- a/tools/power/cpupower/bench/parse.h
+++ b/tools/power/cpupower/bench/parse.h
@@ -1,20 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/* cpufreq-bench CPUFreq microbenchmark
*
* Copyright (C) 2008 Christian Kornacker <ckornacker@suse.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* struct that holds the required config parameters */
diff --git a/tools/power/cpupower/bench/system.c b/tools/power/cpupower/bench/system.c
index 2bb3eef7d5c1..40f3679e70b5 100644
--- a/tools/power/cpupower/bench/system.c
+++ b/tools/power/cpupower/bench/system.c
@@ -1,20 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/* cpufreq-bench CPUFreq microbenchmark
*
* Copyright (C) 2008 Christian Kornacker <ckornacker@suse.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdio.h>
diff --git a/tools/power/cpupower/bench/system.h b/tools/power/cpupower/bench/system.h
index 3a8c858b78f0..530fa28230d1 100644
--- a/tools/power/cpupower/bench/system.h
+++ b/tools/power/cpupower/bench/system.h
@@ -1,20 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/* cpufreq-bench CPUFreq microbenchmark
*
* Copyright (C) 2008 Christian Kornacker <ckornacker@suse.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "parse.h"
diff --git a/tools/power/cpupower/debug/i386/centrino-decode.c b/tools/power/cpupower/debug/i386/centrino-decode.c
index 7ef24cce4926..700cd31a7d02 100644
--- a/tools/power/cpupower/debug/i386/centrino-decode.c
+++ b/tools/power/cpupower/debug/i386/centrino-decode.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* (C) 2003 - 2004 Dominik Brodowski <linux@dominikbrodowski.de>
*
- * Licensed under the terms of the GNU GPL License version 2.
- *
* Based on code found in
* linux/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c
* and originally developed by Jeremy Fitzhardinge.
diff --git a/tools/power/cpupower/debug/i386/intel_gsic.c b/tools/power/cpupower/debug/i386/intel_gsic.c
index d032c826d42e..e5e926f46d6b 100644
--- a/tools/power/cpupower/debug/i386/intel_gsic.c
+++ b/tools/power/cpupower/debug/i386/intel_gsic.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* (C) 2003 Bruno Ducrot
* (C) 2004 Dominik Brodowski <linux@dominikbrodowski.de>
*
- * Licensed under the terms of the GNU GPL License version 2.
- *
* Based on code found in
* linux/include/asm-i386/ist.h and linux/arch/i386/kernel/setup.c
* and originally developed by Andy Grover <andrew.grover@intel.com>
diff --git a/tools/power/cpupower/debug/i386/powernow-k8-decode.c b/tools/power/cpupower/debug/i386/powernow-k8-decode.c
index 638a6b3bfd97..735dca1e25bc 100644
--- a/tools/power/cpupower/debug/i386/powernow-k8-decode.c
+++ b/tools/power/cpupower/debug/i386/powernow-k8-decode.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* (C) 2004 Bruno Ducrot <ducrot@poupinou.org>
*
- * Licensed under the terms of the GNU GPL License version 2.
- *
* Based on code found in
* linux/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
* and originally developed by Paul Devriendt
diff --git a/tools/power/cpupower/debug/kernel/cpufreq-test_tsc.c b/tools/power/cpupower/debug/kernel/cpufreq-test_tsc.c
index 6ff8383f2941..e364b170bf85 100644
--- a/tools/power/cpupower/debug/kernel/cpufreq-test_tsc.c
+++ b/tools/power/cpupower/debug/kernel/cpufreq-test_tsc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* test module to check whether the TSC-based delay routine continues
* to work properly after cpufreq transitions. Needs ACPI to work
diff --git a/tools/power/cpupower/lib/cpufreq.c b/tools/power/cpupower/lib/cpufreq.c
index 80650497fb80..2f55d4d23446 100644
--- a/tools/power/cpupower/lib/cpufreq.c
+++ b/tools/power/cpupower/lib/cpufreq.c
@@ -1,7 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* (C) 2004-2009 Dominik Brodowski <linux@dominikbrodowski.de>
- *
- * Licensed under the terms of the GNU GPL License version 2.
*/
diff --git a/tools/power/cpupower/lib/cpufreq.h b/tools/power/cpupower/lib/cpufreq.h
index 775738269cbf..a55f0d19215b 100644
--- a/tools/power/cpupower/lib/cpufreq.h
+++ b/tools/power/cpupower/lib/cpufreq.h
@@ -1,16 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* cpufreq.h - definitions for libcpufreq
*
* Copyright (C) 2004-2009 Dominik Brodowski <linux@dominikbrodowski.de>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#ifndef __CPUPOWER_CPUFREQ_H__
diff --git a/tools/power/cpupower/lib/cpuidle.c b/tools/power/cpupower/lib/cpuidle.c
index 852d25462388..479c5971aa6d 100644
--- a/tools/power/cpupower/lib/cpuidle.c
+++ b/tools/power/cpupower/lib/cpuidle.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* (C) 2004-2009 Dominik Brodowski <linux@dominikbrodowski.de>
* (C) 2011 Thomas Renninger <trenn@novell.com> Novell Inc.
- *
- * Licensed under the terms of the GNU GPL License version 2.
*/
#include <stdio.h>
diff --git a/tools/power/cpupower/lib/cpupower.c b/tools/power/cpupower/lib/cpupower.c
index 9711d628b0f4..3656e697537e 100644
--- a/tools/power/cpupower/lib/cpupower.c
+++ b/tools/power/cpupower/lib/cpupower.c
@@ -1,7 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* (C) 2004-2009 Dominik Brodowski <linux@dominikbrodowski.de>
- *
- * Licensed under the terms of the GNU GPL License version 2.
*/
#include <sys/types.h>
diff --git a/tools/power/cpupower/utils/cpufreq-info.c b/tools/power/cpupower/utils/cpufreq-info.c
index 10290b308797..e63cf55f81cf 100644
--- a/tools/power/cpupower/utils/cpufreq-info.c
+++ b/tools/power/cpupower/utils/cpufreq-info.c
@@ -1,7 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* (C) 2004-2009 Dominik Brodowski <linux@dominikbrodowski.de>
- *
- * Licensed under the terms of the GNU GPL License version 2.
*/
diff --git a/tools/power/cpupower/utils/cpufreq-set.c b/tools/power/cpupower/utils/cpufreq-set.c
index 1eef0aed6423..f49bc4aa2a08 100644
--- a/tools/power/cpupower/utils/cpufreq-set.c
+++ b/tools/power/cpupower/utils/cpufreq-set.c
@@ -1,7 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* (C) 2004-2009 Dominik Brodowski <linux@dominikbrodowski.de>
- *
- * Licensed under the terms of the GNU GPL License version 2.
*/
diff --git a/tools/power/cpupower/utils/cpuidle-info.c b/tools/power/cpupower/utils/cpuidle-info.c
index b59c85defa05..f2b202c5552a 100644
--- a/tools/power/cpupower/utils/cpuidle-info.c
+++ b/tools/power/cpupower/utils/cpuidle-info.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* (C) 2004-2009 Dominik Brodowski <linux@dominikbrodowski.de>
* (C) 2010 Thomas Renninger <trenn@suse.de>
- *
- * Licensed under the terms of the GNU GPL License version 2.
*/
diff --git a/tools/power/cpupower/utils/cpupower-info.c b/tools/power/cpupower/utils/cpupower-info.c
index c7caa8eaa6d0..4c9d342b70ff 100644
--- a/tools/power/cpupower/utils/cpupower-info.c
+++ b/tools/power/cpupower/utils/cpupower-info.c
@@ -1,7 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* (C) 2011 Thomas Renninger <trenn@suse.de>, Novell Inc.
- *
- * Licensed under the terms of the GNU GPL License version 2.
*/
diff --git a/tools/power/cpupower/utils/cpupower-set.c b/tools/power/cpupower/utils/cpupower-set.c
index 532f46b9a335..3cd95c6cb974 100644
--- a/tools/power/cpupower/utils/cpupower-set.c
+++ b/tools/power/cpupower/utils/cpupower-set.c
@@ -1,7 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* (C) 2011 Thomas Renninger <trenn@suse.de>, Novell Inc.
- *
- * Licensed under the terms of the GNU GPL License version 2.
*/
diff --git a/tools/power/cpupower/utils/cpupower.c b/tools/power/cpupower/utils/cpupower.c
index 2dccf4998599..8e3d08042825 100644
--- a/tools/power/cpupower/utils/cpupower.c
+++ b/tools/power/cpupower/utils/cpupower.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* (C) 2010,2011 Thomas Renninger <trenn@suse.de>, Novell Inc.
*
- * Licensed under the terms of the GNU GPL License version 2.
- *
* Ideas taken over from the perf userspace tool (included in the Linus
* kernel git repo): subcommand builtins and param parsing.
*/
diff --git a/tools/power/cpupower/utils/helpers/helpers.h b/tools/power/cpupower/utils/helpers/helpers.h
index 902139689315..357b19bb136e 100644
--- a/tools/power/cpupower/utils/helpers/helpers.h
+++ b/tools/power/cpupower/utils/helpers/helpers.h
@@ -1,8 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* (C) 2010,2011 Thomas Renninger <trenn@suse.de>, Novell Inc.
*
- * Licensed under the terms of the GNU GPL License version 2.
- *
* Miscellaneous helpers which do not fit or are worth
* to put into separate headers
*/
diff --git a/tools/power/cpupower/utils/helpers/sysfs.c b/tools/power/cpupower/utils/helpers/sysfs.c
index 4e8fe2c7b054..e13ff38329a0 100644
--- a/tools/power/cpupower/utils/helpers/sysfs.c
+++ b/tools/power/cpupower/utils/helpers/sysfs.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* (C) 2004-2009 Dominik Brodowski <linux@dominikbrodowski.de>
* (C) 2011 Thomas Renninger <trenn@novell.com> Novell Inc.
- *
- * Licensed under the terms of the GNU GPL License version 2.
*/
#include <stdio.h>
diff --git a/tools/power/cpupower/utils/helpers/topology.c b/tools/power/cpupower/utils/helpers/topology.c
index a1a6c6041a1e..3dd0925d7594 100644
--- a/tools/power/cpupower/utils/helpers/topology.c
+++ b/tools/power/cpupower/utils/helpers/topology.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* (C) 2010,2011 Thomas Renninger <trenn@suse.de>, Novell Inc.
*
- * Licensed under the terms of the GNU GPL License version 2.
- *
* ToDo: Needs to be done more properly for AMD/Intel specifics
*/
diff --git a/tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c b/tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c
index 2116df9ad832..3f893b99b337 100644
--- a/tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c
+++ b/tools/power/cpupower/utils/idle_monitor/amd_fam14h_idle.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* (C) 2010,2011 Thomas Renninger <trenn@suse.de>, Novell Inc.
*
- * Licensed under the terms of the GNU GPL License version 2.
- *
* PCI initialization based on example code from:
* Andreas Herrmann <andreas.herrmann3@amd.com>
*/
diff --git a/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c b/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
index 5b8c4956ff9a..f634aeb65c5f 100644
--- a/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
+++ b/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
@@ -1,8 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* (C) 2010,2011 Thomas Renninger <trenn@suse.de>, Novell Inc
- *
- * Licensed under the terms of the GNU GPL License version 2.
- *
*/
#include <stdio.h>
diff --git a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c
index 051da0a7c454..d3c3e6e7aa26 100644
--- a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c
+++ b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c
@@ -1,10 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* (C) 2010,2011 Thomas Renninger <trenn@suse.de>, Novell Inc.
*
- * Licensed under the terms of the GNU GPL License version 2.
- *
* Output format inspired by Len Brown's <lenb@kernel.org> turbostat tool.
- *
*/
diff --git a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h
index 2ae50b499e0a..a2d901d3bfaf 100644
--- a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h
+++ b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h
@@ -1,8 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* (C) 2010,2011 Thomas Renninger <trenn@suse.de>, Novell Inc.
- *
- * Licensed under the terms of the GNU GPL License version 2.
- *
*/
#ifndef __CPUIDLE_INFO_HW__
diff --git a/tools/power/cpupower/utils/idle_monitor/hsw_ext_idle.c b/tools/power/cpupower/utils/idle_monitor/hsw_ext_idle.c
index f794d6bbb7e9..7c7451d3f494 100644
--- a/tools/power/cpupower/utils/idle_monitor/hsw_ext_idle.c
+++ b/tools/power/cpupower/utils/idle_monitor/hsw_ext_idle.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* (C) 2010,2011 Thomas Renninger <trenn@suse.de>, Novell Inc.
*
- * Licensed under the terms of the GNU GPL License version 2.
- *
* Based on SandyBridge monitor. Implements the new package C-states
* (PC8, PC9, PC10) coming with a specific Haswell (family 0x45) CPU.
*/
diff --git a/tools/power/cpupower/utils/idle_monitor/idle_monitors.h b/tools/power/cpupower/utils/idle_monitor/idle_monitors.h
index 4fcdeb1e07e8..e9e567ec879e 100644
--- a/tools/power/cpupower/utils/idle_monitor/idle_monitors.h
+++ b/tools/power/cpupower/utils/idle_monitor/idle_monitors.h
@@ -1,10 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* (C) 2010,2011 Thomas Renninger <trenn@suse.de>, Novell Inc.
*
- * Licensed under the terms of the GNU GPL License version 2.
- *
* Based on the idea from Michael Matz <matz@suse.de>
- *
*/
#ifndef _CPUIDLE_IDLE_MONITORS_H_
diff --git a/tools/power/cpupower/utils/idle_monitor/mperf_monitor.c b/tools/power/cpupower/utils/idle_monitor/mperf_monitor.c
index f2a7e9cfd577..44806a6dae11 100644
--- a/tools/power/cpupower/utils/idle_monitor/mperf_monitor.c
+++ b/tools/power/cpupower/utils/idle_monitor/mperf_monitor.c
@@ -1,7 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* (C) 2010,2011 Thomas Renninger <trenn@suse.de>, Novell Inc.
- *
- * Licensed under the terms of the GNU GPL License version 2.
*/
#if defined(__i386__) || defined(__x86_64__)
diff --git a/tools/power/cpupower/utils/idle_monitor/nhm_idle.c b/tools/power/cpupower/utils/idle_monitor/nhm_idle.c
index abf8cb5f7349..be7256696a37 100644
--- a/tools/power/cpupower/utils/idle_monitor/nhm_idle.c
+++ b/tools/power/cpupower/utils/idle_monitor/nhm_idle.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* (C) 2010,2011 Thomas Renninger <trenn@suse.de>, Novell Inc.
*
- * Licensed under the terms of the GNU GPL License version 2.
- *
* Based on Len Brown's <lenb@kernel.org> turbostat tool.
*/
diff --git a/tools/power/cpupower/utils/idle_monitor/snb_idle.c b/tools/power/cpupower/utils/idle_monitor/snb_idle.c
index a2b45219648d..968333571cad 100644
--- a/tools/power/cpupower/utils/idle_monitor/snb_idle.c
+++ b/tools/power/cpupower/utils/idle_monitor/snb_idle.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* (C) 2010,2011 Thomas Renninger <trenn@suse.de>, Novell Inc.
*
- * Licensed under the terms of the GNU GPL License version 2.
- *
* Based on Len Brown's <lenb@kernel.org> turbostat tool.
*/
diff --git a/tools/power/pm-graph/bootgraph.py b/tools/power/pm-graph/bootgraph.py
index 6dae57041537..3d899dd8147a 100755
--- a/tools/power/pm-graph/bootgraph.py
+++ b/tools/power/pm-graph/bootgraph.py
@@ -1,17 +1,9 @@
#!/usr/bin/python2
+# SPDX-License-Identifier: GPL-2.0-only
#
# Tool for analyzing boot timing
# Copyright (c) 2013, Intel Corporation.
#
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
-#
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
-# more details.
-#
# Authors:
# Todd Brandt <todd.e.brandt@linux.intel.com>
#
diff --git a/tools/power/pm-graph/sleepgraph.py b/tools/power/pm-graph/sleepgraph.py
index 52618f3444d4..d1a88d05e976 100755
--- a/tools/power/pm-graph/sleepgraph.py
+++ b/tools/power/pm-graph/sleepgraph.py
@@ -1,17 +1,9 @@
#!/usr/bin/python2
+# SPDX-License-Identifier: GPL-2.0-only
#
# Tool for analyzing suspend/resume timing
# Copyright (c) 2013, Intel Corporation.
#
-# This program is free software; you can redistribute it and/or modify it
-# under the terms and conditions of the GNU General Public License,
-# version 2, as published by the Free Software Foundation.
-#
-# This program is distributed in the hope it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
-# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
-# more details.
-#
# Authors:
# Todd Brandt <todd.e.brandt@linux.intel.com>
#
diff --git a/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py b/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py
index 2fa3c5757bcb..2d6d342b148f 100755
--- a/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py
+++ b/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py
@@ -1,4 +1,5 @@
#!/usr/bin/python
+# SPDX-License-Identifier: GPL-2.0-only
# -*- coding: utf-8 -*-
#
""" This utility can be used to debug and tune the performance of the
diff --git a/tools/power/x86/turbostat/Makefile b/tools/power/x86/turbostat/Makefile
index 1598b4fa0b11..045f5f7d68ab 100644
--- a/tools/power/x86/turbostat/Makefile
+++ b/tools/power/x86/turbostat/Makefile
@@ -9,7 +9,7 @@ ifeq ("$(origin O)", "command line")
endif
turbostat : turbostat.c
-override CFLAGS += -Wall
+override CFLAGS += -Wall -I../../../include
override CFLAGS += -DMSRHEADER='"../../../../arch/x86/include/asm/msr-index.h"'
override CFLAGS += -DINTEL_FAMILY_HEADER='"../../../../arch/x86/include/asm/intel-family.h"'
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index c3fad065c89c..75fc4fb9901c 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -1,22 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* turbostat -- show CPU frequency and C-state residency
* on modern Intel and AMD processors.
*
* Copyright (c) 2013 Intel Corporation.
* Len Brown <len.brown@intel.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*/
#define _GNU_SOURCE
@@ -44,6 +32,7 @@
#include <cpuid.h>
#include <linux/capability.h>
#include <errno.h>
+#include <math.h>
char *proc_stat = "/proc/stat";
FILE *outf;
@@ -63,7 +52,6 @@ unsigned int dump_only;
unsigned int do_snb_cstates;
unsigned int do_knl_cstates;
unsigned int do_slm_cstates;
-unsigned int do_cnl_cstates;
unsigned int use_c1_residency_msr;
unsigned int has_aperf;
unsigned int has_epb;
@@ -141,9 +129,21 @@ unsigned int first_counter_read = 1;
#define RAPL_CORES_ENERGY_STATUS (1 << 9)
/* 0x639 MSR_PP0_ENERGY_STATUS */
+#define RAPL_PER_CORE_ENERGY (1 << 10)
+ /* Indicates cores energy collection is per-core,
+ * not per-package. */
+#define RAPL_AMD_F17H (1 << 11)
+ /* 0xc0010299 MSR_RAPL_PWR_UNIT */
+ /* 0xc001029a MSR_CORE_ENERGY_STAT */
+ /* 0xc001029b MSR_PKG_ENERGY_STAT */
#define RAPL_CORES (RAPL_CORES_ENERGY_STATUS | RAPL_CORES_POWER_LIMIT)
#define TJMAX_DEFAULT 100
+/* MSRs that are not yet in the kernel-provided header. */
+#define MSR_RAPL_PWR_UNIT 0xc0010299
+#define MSR_CORE_ENERGY_STAT 0xc001029a
+#define MSR_PKG_ENERGY_STAT 0xc001029b
+
#define MAX(a, b) ((a) > (b) ? (a) : (b))
/*
@@ -187,6 +187,7 @@ struct core_data {
unsigned long long c7;
unsigned long long mc6_us; /* duplicate as per-core for now, even though per module */
unsigned int core_temp_c;
+ unsigned int core_energy; /* MSR_CORE_ENERGY_STAT */
unsigned int core_id;
unsigned long long counter[MAX_ADDED_COUNTERS];
} *core_even, *core_odd;
@@ -273,6 +274,7 @@ struct system_summary {
struct cpu_topology {
int physical_package_id;
+ int die_id;
int logical_cpu_id;
int physical_node_id;
int logical_node_id; /* 0-based count within the package */
@@ -283,6 +285,7 @@ struct cpu_topology {
struct topo_params {
int num_packages;
+ int num_die;
int num_cpus;
int num_cores;
int max_cpu_num;
@@ -314,9 +317,8 @@ int for_all_cpus(int (func)(struct thread_data *, struct core_data *, struct pkg
int retval, pkg_no, core_no, thread_no, node_no;
for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) {
- for (core_no = 0; core_no < topo.cores_per_node; ++core_no) {
- for (node_no = 0; node_no < topo.nodes_per_pkg;
- node_no++) {
+ for (node_no = 0; node_no < topo.nodes_per_pkg; node_no++) {
+ for (core_no = 0; core_no < topo.cores_per_node; ++core_no) {
for (thread_no = 0; thread_no <
topo.threads_per_core; ++thread_no) {
struct thread_data *t;
@@ -442,6 +444,7 @@ struct msr_counter bic[] = {
{ 0x0, "CPU" },
{ 0x0, "APIC" },
{ 0x0, "X2APIC" },
+ { 0x0, "Die" },
};
#define MAX_BIC (sizeof(bic) / sizeof(struct msr_counter))
@@ -495,6 +498,7 @@ struct msr_counter bic[] = {
#define BIC_CPU (1ULL << 47)
#define BIC_APIC (1ULL << 48)
#define BIC_X2APIC (1ULL << 49)
+#define BIC_Die (1ULL << 50)
#define BIC_DISABLED_BY_DEFAULT (BIC_USEC | BIC_TOD | BIC_APIC | BIC_X2APIC)
@@ -621,6 +625,8 @@ void print_header(char *delim)
outp += sprintf(outp, "%sTime_Of_Day_Seconds", (printed++ ? delim : ""));
if (DO_BIC(BIC_Package))
outp += sprintf(outp, "%sPackage", (printed++ ? delim : ""));
+ if (DO_BIC(BIC_Die))
+ outp += sprintf(outp, "%sDie", (printed++ ? delim : ""));
if (DO_BIC(BIC_Node))
outp += sprintf(outp, "%sNode", (printed++ ? delim : ""));
if (DO_BIC(BIC_Core))
@@ -667,7 +673,7 @@ void print_header(char *delim)
if (DO_BIC(BIC_CPU_c1))
outp += sprintf(outp, "%sCPU%%c1", (printed++ ? delim : ""));
- if (DO_BIC(BIC_CPU_c3) && !do_slm_cstates && !do_knl_cstates && !do_cnl_cstates)
+ if (DO_BIC(BIC_CPU_c3))
outp += sprintf(outp, "%sCPU%%c3", (printed++ ? delim : ""));
if (DO_BIC(BIC_CPU_c6))
outp += sprintf(outp, "%sCPU%%c6", (printed++ ? delim : ""));
@@ -680,6 +686,14 @@ void print_header(char *delim)
if (DO_BIC(BIC_CoreTmp))
outp += sprintf(outp, "%sCoreTmp", (printed++ ? delim : ""));
+ if (do_rapl && !rapl_joules) {
+ if (DO_BIC(BIC_CorWatt) && (do_rapl & RAPL_PER_CORE_ENERGY))
+ outp += sprintf(outp, "%sCorWatt", (printed++ ? delim : ""));
+ } else if (do_rapl && rapl_joules) {
+ if (DO_BIC(BIC_Cor_J) && (do_rapl & RAPL_PER_CORE_ENERGY))
+ outp += sprintf(outp, "%sCor_J", (printed++ ? delim : ""));
+ }
+
for (mp = sys.cp; mp; mp = mp->next) {
if (mp->format == FORMAT_RAW) {
if (mp->width == 64)
@@ -734,7 +748,7 @@ void print_header(char *delim)
if (do_rapl && !rapl_joules) {
if (DO_BIC(BIC_PkgWatt))
outp += sprintf(outp, "%sPkgWatt", (printed++ ? delim : ""));
- if (DO_BIC(BIC_CorWatt))
+ if (DO_BIC(BIC_CorWatt) && !(do_rapl & RAPL_PER_CORE_ENERGY))
outp += sprintf(outp, "%sCorWatt", (printed++ ? delim : ""));
if (DO_BIC(BIC_GFXWatt))
outp += sprintf(outp, "%sGFXWatt", (printed++ ? delim : ""));
@@ -747,7 +761,7 @@ void print_header(char *delim)
} else if (do_rapl && rapl_joules) {
if (DO_BIC(BIC_Pkg_J))
outp += sprintf(outp, "%sPkg_J", (printed++ ? delim : ""));
- if (DO_BIC(BIC_Cor_J))
+ if (DO_BIC(BIC_Cor_J) && !(do_rapl & RAPL_PER_CORE_ENERGY))
outp += sprintf(outp, "%sCor_J", (printed++ ? delim : ""));
if (DO_BIC(BIC_GFX_J))
outp += sprintf(outp, "%sGFX_J", (printed++ ? delim : ""));
@@ -808,6 +822,7 @@ int dump_counters(struct thread_data *t, struct core_data *c,
outp += sprintf(outp, "c6: %016llX\n", c->c6);
outp += sprintf(outp, "c7: %016llX\n", c->c7);
outp += sprintf(outp, "DTS: %dC\n", c->core_temp_c);
+ outp += sprintf(outp, "Joules: %0X\n", c->core_energy);
for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
outp += sprintf(outp, "cADDED [%d] msr0x%x: %08llX\n",
@@ -904,6 +919,8 @@ int format_counters(struct thread_data *t, struct core_data *c,
if (t == &average.threads) {
if (DO_BIC(BIC_Package))
outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
+ if (DO_BIC(BIC_Die))
+ outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
if (DO_BIC(BIC_Node))
outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
if (DO_BIC(BIC_Core))
@@ -921,6 +938,12 @@ int format_counters(struct thread_data *t, struct core_data *c,
else
outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
}
+ if (DO_BIC(BIC_Die)) {
+ if (c)
+ outp += sprintf(outp, "%s%d", (printed++ ? delim : ""), cpus[t->cpu_id].die_id);
+ else
+ outp += sprintf(outp, "%s-", (printed++ ? delim : ""));
+ }
if (DO_BIC(BIC_Node)) {
if (t)
outp += sprintf(outp, "%s%d",
@@ -1003,7 +1026,7 @@ int format_counters(struct thread_data *t, struct core_data *c,
if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
goto done;
- if (DO_BIC(BIC_CPU_c3) && !do_slm_cstates && !do_knl_cstates && !do_cnl_cstates)
+ if (DO_BIC(BIC_CPU_c3))
outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * c->c3/tsc);
if (DO_BIC(BIC_CPU_c6))
outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * c->c6/tsc);
@@ -1033,6 +1056,20 @@ int format_counters(struct thread_data *t, struct core_data *c,
}
}
+ /*
+ * If measurement interval exceeds minimum RAPL Joule Counter range,
+ * indicate that results are suspect by printing "**" in fraction place.
+ */
+ if (interval_float < rapl_joule_counter_range)
+ fmt8 = "%s%.2f";
+ else
+ fmt8 = "%6.0f**";
+
+ if (DO_BIC(BIC_CorWatt) && (do_rapl & RAPL_PER_CORE_ENERGY))
+ outp += sprintf(outp, fmt8, (printed++ ? delim : ""), c->core_energy * rapl_energy_units / interval_float);
+ if (DO_BIC(BIC_Cor_J) && (do_rapl & RAPL_PER_CORE_ENERGY))
+ outp += sprintf(outp, fmt8, (printed++ ? delim : ""), c->core_energy * rapl_energy_units);
+
/* print per-package data only for 1st core in package */
if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
goto done;
@@ -1085,18 +1122,9 @@ int format_counters(struct thread_data *t, struct core_data *c,
if (DO_BIC(BIC_SYS_LPI))
outp += sprintf(outp, "%s%.2f", (printed++ ? delim : ""), 100.0 * p->sys_lpi / 1000000.0 / interval_float);
- /*
- * If measurement interval exceeds minimum RAPL Joule Counter range,
- * indicate that results are suspect by printing "**" in fraction place.
- */
- if (interval_float < rapl_joule_counter_range)
- fmt8 = "%s%.2f";
- else
- fmt8 = "%6.0f**";
-
if (DO_BIC(BIC_PkgWatt))
outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_pkg * rapl_energy_units / interval_float);
- if (DO_BIC(BIC_CorWatt))
+ if (DO_BIC(BIC_CorWatt) && !(do_rapl & RAPL_PER_CORE_ENERGY))
outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_cores * rapl_energy_units / interval_float);
if (DO_BIC(BIC_GFXWatt))
outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_gfx * rapl_energy_units / interval_float);
@@ -1104,7 +1132,7 @@ int format_counters(struct thread_data *t, struct core_data *c,
outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_dram * rapl_dram_energy_units / interval_float);
if (DO_BIC(BIC_Pkg_J))
outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_pkg * rapl_energy_units);
- if (DO_BIC(BIC_Cor_J))
+ if (DO_BIC(BIC_Cor_J) && !(do_rapl & RAPL_PER_CORE_ENERGY))
outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_cores * rapl_energy_units);
if (DO_BIC(BIC_GFX_J))
outp += sprintf(outp, fmt8, (printed++ ? delim : ""), p->energy_gfx * rapl_energy_units);
@@ -1249,6 +1277,8 @@ delta_core(struct core_data *new, struct core_data *old)
old->core_temp_c = new->core_temp_c;
old->mc6_us = new->mc6_us - old->mc6_us;
+ DELTA_WRAP32(new->core_energy, old->core_energy);
+
for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
if (mp->format == FORMAT_RAW)
old->counter[i] = new->counter[i];
@@ -1391,6 +1421,7 @@ void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data
c->c7 = 0;
c->mc6_us = 0;
c->core_temp_c = 0;
+ c->core_energy = 0;
p->pkg_wtd_core_c0 = 0;
p->pkg_any_core_c0 = 0;
@@ -1473,6 +1504,8 @@ int sum_counters(struct thread_data *t, struct core_data *c,
average.cores.core_temp_c = MAX(average.cores.core_temp_c, c->core_temp_c);
+ average.cores.core_energy += c->core_energy;
+
for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
if (mp->format == FORMAT_RAW)
continue;
@@ -1818,7 +1851,7 @@ retry:
if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
goto done;
- if (DO_BIC(BIC_CPU_c3) && !do_slm_cstates && !do_knl_cstates && !do_cnl_cstates) {
+ if (DO_BIC(BIC_CPU_c3)) {
if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3))
return -6;
}
@@ -1845,6 +1878,12 @@ retry:
c->core_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F);
}
+ if (do_rapl & RAPL_AMD_F17H) {
+ if (get_msr(cpu, MSR_CORE_ENERGY_STAT, &msr))
+ return -14;
+ c->core_energy = msr & 0xFFFFFFFF;
+ }
+
for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
if (get_mp(cpu, mp, &c->counter[i]))
return -10;
@@ -1934,6 +1973,11 @@ retry:
return -16;
p->rapl_dram_perf_status = msr & 0xFFFFFFFF;
}
+ if (do_rapl & RAPL_AMD_F17H) {
+ if (get_msr(cpu, MSR_PKG_ENERGY_STAT, &msr))
+ return -13;
+ p->energy_pkg = msr & 0xFFFFFFFF;
+ }
if (DO_BIC(BIC_PkgTmp)) {
if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr))
return -17;
@@ -2456,6 +2500,8 @@ void free_all_buffers(void)
/*
* Parse a file containing a single int.
+ * Return 0 if file can not be opened
+ * Exit if file can be opened, but can not be parsed
*/
int parse_int_file(const char *fmt, ...)
{
@@ -2467,7 +2513,9 @@ int parse_int_file(const char *fmt, ...)
va_start(args, fmt);
vsnprintf(path, sizeof(path), fmt, args);
va_end(args);
- filep = fopen_or_die(path, "r");
+ filep = fopen(path, "r");
+ if (!filep)
+ return 0;
if (fscanf(filep, "%d", &value) != 1)
err(1, "%s: failed to parse number from file", path);
fclose(filep);
@@ -2488,6 +2536,11 @@ int get_physical_package_id(int cpu)
return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu);
}
+int get_die_id(int cpu)
+{
+ return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/die_id", cpu);
+}
+
int get_core_id(int cpu)
{
return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_id", cpu);
@@ -2578,7 +2631,8 @@ int get_thread_siblings(struct cpu_topology *thiscpu)
filep = fopen_or_die(path, "r");
do {
offset -= BITMASK_SIZE;
- fscanf(filep, "%lx%c", &map, &character);
+ if (fscanf(filep, "%lx%c", &map, &character) != 2)
+ err(1, "%s: failed to parse file", path);
for (shift = 0; shift < BITMASK_SIZE; shift++) {
if ((map >> shift) & 0x1) {
so = shift + offset;
@@ -2855,8 +2909,11 @@ int snapshot_cpu_lpi_us(void)
fp = fopen_or_die("/sys/devices/system/cpu/cpuidle/low_power_idle_cpu_residency_us", "r");
retval = fscanf(fp, "%lld", &cpuidle_cur_cpu_lpi_us);
- if (retval != 1)
- err(1, "CPU LPI");
+ if (retval != 1) {
+ fprintf(stderr, "Disabling Low Power Idle CPU output\n");
+ BIC_NOT_PRESENT(BIC_CPU_LPI);
+ return -1;
+ }
fclose(fp);
@@ -2878,9 +2935,11 @@ int snapshot_sys_lpi_us(void)
fp = fopen_or_die("/sys/devices/system/cpu/cpuidle/low_power_idle_system_residency_us", "r");
retval = fscanf(fp, "%lld", &cpuidle_cur_sys_lpi_us);
- if (retval != 1)
- err(1, "SYS LPI");
-
+ if (retval != 1) {
+ fprintf(stderr, "Disabling Low Power Idle System output\n");
+ BIC_NOT_PRESENT(BIC_SYS_LPI);
+ return -1;
+ }
fclose(fp);
return 0;
@@ -3410,14 +3469,14 @@ dump_sysfs_cstate_config(void)
input = fopen(path, "r");
if (input == NULL)
continue;
- fgets(name_buf, sizeof(name_buf), input);
+ if (!fgets(name_buf, sizeof(name_buf), input))
+ err(1, "%s: failed to read file", path);
/* truncate "C1-HSW\n" to "C1", or truncate "C1\n" to "C1" */
sp = strchr(name_buf, '-');
if (!sp)
sp = strchrnul(name_buf, '\n');
*sp = '\0';
-
fclose(input);
sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/desc",
@@ -3425,7 +3484,8 @@ dump_sysfs_cstate_config(void)
input = fopen(path, "r");
if (input == NULL)
continue;
- fgets(desc, sizeof(desc), input);
+ if (!fgets(desc, sizeof(desc), input))
+ err(1, "%s: failed to read file", path);
fprintf(outf, "cpu%d: %s: %s", base_cpu, name_buf, desc);
fclose(input);
@@ -3444,20 +3504,22 @@ dump_sysfs_pstate_config(void)
base_cpu);
input = fopen(path, "r");
if (input == NULL) {
- fprintf(stderr, "NSFOD %s\n", path);
+ fprintf(outf, "NSFOD %s\n", path);
return;
}
- fgets(driver_buf, sizeof(driver_buf), input);
+ if (!fgets(driver_buf, sizeof(driver_buf), input))
+ err(1, "%s: failed to read file", path);
fclose(input);
sprintf(path, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_governor",
base_cpu);
input = fopen(path, "r");
if (input == NULL) {
- fprintf(stderr, "NSFOD %s\n", path);
+ fprintf(outf, "NSFOD %s\n", path);
return;
}
- fgets(governor_buf, sizeof(governor_buf), input);
+ if (!fgets(governor_buf, sizeof(governor_buf), input))
+ err(1, "%s: failed to read file", path);
fclose(input);
fprintf(outf, "cpu%d: cpufreq driver: %s", base_cpu, driver_buf);
@@ -3466,7 +3528,8 @@ dump_sysfs_pstate_config(void)
sprintf(path, "/sys/devices/system/cpu/cpufreq/boost");
input = fopen(path, "r");
if (input != NULL) {
- fscanf(input, "%d", &turbo);
+ if (fscanf(input, "%d", &turbo) != 1)
+ err(1, "%s: failed to parse number from file", path);
fprintf(outf, "cpufreq boost: %d\n", turbo);
fclose(input);
}
@@ -3474,7 +3537,8 @@ dump_sysfs_pstate_config(void)
sprintf(path, "/sys/devices/system/cpu/intel_pstate/no_turbo");
input = fopen(path, "r");
if (input != NULL) {
- fscanf(input, "%d", &turbo);
+ if (fscanf(input, "%d", &turbo) != 1)
+ err(1, "%s: failed to parse number from file", path);
fprintf(outf, "cpufreq intel_pstate no_turbo: %d\n", turbo);
fclose(input);
}
@@ -3718,7 +3782,7 @@ int print_perf_limit(struct thread_data *t, struct core_data *c, struct pkg_data
#define RAPL_POWER_GRANULARITY 0x7FFF /* 15 bit power granularity */
#define RAPL_TIME_GRANULARITY 0x3F /* 6 bit time granularity */
-double get_tdp(unsigned int model)
+double get_tdp_intel(unsigned int model)
{
unsigned long long msr;
@@ -3735,6 +3799,16 @@ double get_tdp(unsigned int model)
}
}
+double get_tdp_amd(unsigned int family)
+{
+ switch (family) {
+ case 0x17:
+ default:
+ /* This is the max stock TDP of HEDT/Server Fam17h chips */
+ return 250.0;
+ }
+}
+
/*
* rapl_dram_energy_units_probe()
* Energy units are either hard-coded, or come from RAPL Energy Unit MSR.
@@ -3754,21 +3828,12 @@ rapl_dram_energy_units_probe(int model, double rapl_energy_units)
}
}
-
-/*
- * rapl_probe()
- *
- * sets do_rapl, rapl_power_units, rapl_energy_units, rapl_time_units
- */
-void rapl_probe(unsigned int family, unsigned int model)
+void rapl_probe_intel(unsigned int family, unsigned int model)
{
unsigned long long msr;
unsigned int time_unit;
double tdp;
- if (!genuine_intel)
- return;
-
if (family != 6)
return;
@@ -3892,13 +3957,69 @@ void rapl_probe(unsigned int family, unsigned int model)
rapl_time_units = 1.0 / (1 << (time_unit));
- tdp = get_tdp(model);
+ tdp = get_tdp_intel(model);
rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp;
if (!quiet)
fprintf(outf, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp);
+}
- return;
+void rapl_probe_amd(unsigned int family, unsigned int model)
+{
+ unsigned long long msr;
+ unsigned int eax, ebx, ecx, edx;
+ unsigned int has_rapl = 0;
+ double tdp;
+
+ if (max_extended_level >= 0x80000007) {
+ __cpuid(0x80000007, eax, ebx, ecx, edx);
+ /* RAPL (Fam 17h) */
+ has_rapl = edx & (1 << 14);
+ }
+
+ if (!has_rapl)
+ return;
+
+ switch (family) {
+ case 0x17: /* Zen, Zen+ */
+ do_rapl = RAPL_AMD_F17H | RAPL_PER_CORE_ENERGY;
+ if (rapl_joules) {
+ BIC_PRESENT(BIC_Pkg_J);
+ BIC_PRESENT(BIC_Cor_J);
+ } else {
+ BIC_PRESENT(BIC_PkgWatt);
+ BIC_PRESENT(BIC_CorWatt);
+ }
+ break;
+ default:
+ return;
+ }
+
+ if (get_msr(base_cpu, MSR_RAPL_PWR_UNIT, &msr))
+ return;
+
+ rapl_time_units = ldexp(1.0, -(msr >> 16 & 0xf));
+ rapl_energy_units = ldexp(1.0, -(msr >> 8 & 0x1f));
+ rapl_power_units = ldexp(1.0, -(msr & 0xf));
+
+ tdp = get_tdp_amd(model);
+
+ rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp;
+ if (!quiet)
+ fprintf(outf, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp);
+}
+
+/*
+ * rapl_probe()
+ *
+ * sets do_rapl, rapl_power_units, rapl_energy_units, rapl_time_units
+ */
+void rapl_probe(unsigned int family, unsigned int model)
+{
+ if (genuine_intel)
+ rapl_probe_intel(family, model);
+ if (authentic_amd)
+ rapl_probe_amd(family, model);
}
void perf_limit_reasons_probe(unsigned int family, unsigned int model)
@@ -4003,6 +4124,7 @@ void print_power_limit_msr(int cpu, unsigned long long msr, char *label)
int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p)
{
unsigned long long msr;
+ const char *msr_name;
int cpu;
if (!do_rapl)
@@ -4018,10 +4140,17 @@ int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p)
return -1;
}
- if (get_msr(cpu, MSR_RAPL_POWER_UNIT, &msr))
- return -1;
+ if (do_rapl & RAPL_AMD_F17H) {
+ msr_name = "MSR_RAPL_PWR_UNIT";
+ if (get_msr(cpu, MSR_RAPL_PWR_UNIT, &msr))
+ return -1;
+ } else {
+ msr_name = "MSR_RAPL_POWER_UNIT";
+ if (get_msr(cpu, MSR_RAPL_POWER_UNIT, &msr))
+ return -1;
+ }
- fprintf(outf, "cpu%d: MSR_RAPL_POWER_UNIT: 0x%08llx (%f Watts, %f Joules, %f sec.)\n", cpu, msr,
+ fprintf(outf, "cpu%d: %s: 0x%08llx (%f Watts, %f Joules, %f sec.)\n", cpu, msr_name, msr,
rapl_power_units, rapl_energy_units, rapl_time_units);
if (do_rapl & RAPL_PKG_POWER_INFO) {
@@ -4451,6 +4580,9 @@ unsigned int intel_model_duplicates(unsigned int model)
case INTEL_FAM6_KABYLAKE_MOBILE:
case INTEL_FAM6_KABYLAKE_DESKTOP:
return INTEL_FAM6_SKYLAKE_MOBILE;
+
+ case INTEL_FAM6_ICELAKE_MOBILE:
+ return INTEL_FAM6_CANNONLAKE_MOBILE;
}
return model;
}
@@ -4702,7 +4834,9 @@ void process_cpuid()
}
do_slm_cstates = is_slm(family, model);
do_knl_cstates = is_knl(family, model);
- do_cnl_cstates = is_cnl(family, model);
+
+ if (do_slm_cstates || do_knl_cstates || is_cnl(family, model))
+ BIC_NOT_PRESENT(BIC_CPU_c3);
if (!quiet)
decode_misc_pwr_mgmt_msr();
@@ -4769,6 +4903,7 @@ void topology_probe()
int i;
int max_core_id = 0;
int max_package_id = 0;
+ int max_die_id = 0;
int max_siblings = 0;
/* Initialize num_cpus, max_cpu_num */
@@ -4835,6 +4970,11 @@ void topology_probe()
if (cpus[i].physical_package_id > max_package_id)
max_package_id = cpus[i].physical_package_id;
+ /* get die information */
+ cpus[i].die_id = get_die_id(i);
+ if (cpus[i].die_id > max_die_id)
+ max_die_id = cpus[i].die_id;
+
/* get numa node information */
cpus[i].physical_node_id = get_physical_node_id(&cpus[i]);
if (cpus[i].physical_node_id > topo.max_node_num)
@@ -4860,6 +5000,13 @@ void topology_probe()
if (!summary_only && topo.cores_per_node > 1)
BIC_PRESENT(BIC_Core);
+ topo.num_die = max_die_id + 1;
+ if (debug > 1)
+ fprintf(outf, "max_die_id %d, sizing for %d die\n",
+ max_die_id, topo.num_die);
+ if (!summary_only && topo.num_die > 1)
+ BIC_PRESENT(BIC_Die);
+
topo.num_packages = max_package_id + 1;
if (debug > 1)
fprintf(outf, "max_package_id %d, sizing for %d packages\n",
@@ -4884,8 +5031,8 @@ void topology_probe()
if (cpu_is_not_present(i))
continue;
fprintf(outf,
- "cpu %d pkg %d node %d lnode %d core %d thread %d\n",
- i, cpus[i].physical_package_id,
+ "cpu %d pkg %d die %d node %d lnode %d core %d thread %d\n",
+ i, cpus[i].physical_package_id, cpus[i].die_id,
cpus[i].physical_node_id,
cpus[i].logical_node_id,
cpus[i].physical_core_id,
@@ -5122,7 +5269,7 @@ int get_and_dump_counters(void)
}
void print_version() {
- fprintf(outf, "turbostat version 18.07.27"
+ fprintf(outf, "turbostat version 19.03.20"
" - Len Brown <lenb@kernel.org>\n");
}
@@ -5319,7 +5466,8 @@ void probe_sysfs(void)
input = fopen(path, "r");
if (input == NULL)
continue;
- fgets(name_buf, sizeof(name_buf), input);
+ if (!fgets(name_buf, sizeof(name_buf), input))
+ err(1, "%s: failed to read file", path);
/* truncate "C1-HSW\n" to "C1", or truncate "C1\n" to "C1" */
sp = strchr(name_buf, '-');
@@ -5346,7 +5494,8 @@ void probe_sysfs(void)
input = fopen(path, "r");
if (input == NULL)
continue;
- fgets(name_buf, sizeof(name_buf), input);
+ if (!fgets(name_buf, sizeof(name_buf), input))
+ err(1, "%s: failed to read file", path);
/* truncate "C1-HSW\n" to "C1", or truncate "C1\n" to "C1" */
sp = strchr(name_buf, '-');
if (!sp)
diff --git a/tools/power/x86/x86_energy_perf_policy/Makefile b/tools/power/x86/x86_energy_perf_policy/Makefile
index ae7a0e09b722..1fdeef864e7c 100644
--- a/tools/power/x86/x86_energy_perf_policy/Makefile
+++ b/tools/power/x86/x86_energy_perf_policy/Makefile
@@ -9,7 +9,7 @@ ifeq ("$(origin O)", "command line")
endif
x86_energy_perf_policy : x86_energy_perf_policy.c
-override CFLAGS += -Wall
+override CFLAGS += -Wall -I../../../include
override CFLAGS += -DMSRHEADER='"../../../../arch/x86/include/asm/msr-index.h"'
%: %.c
diff --git a/tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy.c b/tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy.c
index 65bbe627a425..34a796b303fe 100644
--- a/tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy.c
+++ b/tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* x86_energy_perf_policy -- set the energy versus performance
* policy preference bias on recent X86 processors.
@@ -5,8 +6,6 @@
/*
* Copyright (c) 2010 - 2017 Intel Corporation.
* Len Brown <len.brown@intel.com>
- *
- * This program is released under GPL v2
*/
#define _GNU_SOURCE
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