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-rw-r--r--tools/perf/arch/s390/Makefile1
-rw-r--r--tools/perf/arch/s390/annotate/instructions.c6
-rw-r--r--tools/perf/arch/s390/util/auxtrace.c16
-rw-r--r--tools/perf/arch/s390/util/header.c9
-rw-r--r--tools/perf/arch/s390/util/kvm-stat.c9
-rw-r--r--tools/perf/arch/s390/util/machine.c33
6 files changed, 55 insertions, 19 deletions
diff --git a/tools/perf/arch/s390/Makefile b/tools/perf/arch/s390/Makefile
index cb198787570a..6ac8887be7c9 100644
--- a/tools/perf/arch/s390/Makefile
+++ b/tools/perf/arch/s390/Makefile
@@ -4,6 +4,7 @@ PERF_HAVE_DWARF_REGS := 1
endif
HAVE_KVM_STAT_SUPPORT := 1
PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET := 1
+PERF_HAVE_JITDUMP := 1
#
# Syscall table generation for perf
diff --git a/tools/perf/arch/s390/annotate/instructions.c b/tools/perf/arch/s390/annotate/instructions.c
index 89bb8f2c54ce..a50e70baf918 100644
--- a/tools/perf/arch/s390/annotate/instructions.c
+++ b/tools/perf/arch/s390/annotate/instructions.c
@@ -164,8 +164,10 @@ static int s390__annotate_init(struct arch *arch, char *cpuid __maybe_unused)
if (!arch->initialized) {
arch->initialized = true;
arch->associate_instruction_ops = s390__associate_ins_ops;
- if (cpuid)
- err = s390__cpuid_parse(arch, cpuid);
+ if (cpuid) {
+ if (s390__cpuid_parse(arch, cpuid))
+ err = SYMBOL_ANNOTATE_ERRNO__ARCH_INIT_CPUID_PARSING;
+ }
}
return err;
diff --git a/tools/perf/arch/s390/util/auxtrace.c b/tools/perf/arch/s390/util/auxtrace.c
index 0fe1be93f375..0db5c58c98e8 100644
--- a/tools/perf/arch/s390/util/auxtrace.c
+++ b/tools/perf/arch/s390/util/auxtrace.c
@@ -1,4 +1,5 @@
#include <stdbool.h>
+#include <stdlib.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/bitops.h>
@@ -8,6 +9,7 @@
#include "../../util/evlist.h"
#include "../../util/auxtrace.h"
#include "../../util/evsel.h"
+#include "../../util/record.h"
#define PERF_EVENT_CPUM_SF 0xB0000 /* Event: Basic-sampling */
#define PERF_EVENT_CPUM_SF_DIAG 0xBD000 /* Event: Combined-sampling */
@@ -20,7 +22,7 @@ static void cpumsf_free(struct auxtrace_record *itr)
}
static size_t cpumsf_info_priv_size(struct auxtrace_record *itr __maybe_unused,
- struct perf_evlist *evlist __maybe_unused)
+ struct evlist *evlist __maybe_unused)
{
return 0;
}
@@ -28,7 +30,7 @@ static size_t cpumsf_info_priv_size(struct auxtrace_record *itr __maybe_unused,
static int
cpumsf_info_fill(struct auxtrace_record *itr __maybe_unused,
struct perf_session *session __maybe_unused,
- struct auxtrace_info_event *auxtrace_info __maybe_unused,
+ struct perf_record_auxtrace_info *auxtrace_info __maybe_unused,
size_t priv_size __maybe_unused)
{
auxtrace_info->type = PERF_AUXTRACE_S390_CPUMSF;
@@ -43,7 +45,7 @@ cpumsf_reference(struct auxtrace_record *itr __maybe_unused)
static int
cpumsf_recording_options(struct auxtrace_record *ar __maybe_unused,
- struct perf_evlist *evlist __maybe_unused,
+ struct evlist *evlist __maybe_unused,
struct record_opts *opts)
{
unsigned int factor = 1;
@@ -82,19 +84,19 @@ cpumsf_parse_snapshot_options(struct auxtrace_record *itr __maybe_unused,
* auxtrace_record__init is called when perf record
* check if the event really need auxtrace
*/
-struct auxtrace_record *auxtrace_record__init(struct perf_evlist *evlist,
+struct auxtrace_record *auxtrace_record__init(struct evlist *evlist,
int *err)
{
struct auxtrace_record *aux;
- struct perf_evsel *pos;
+ struct evsel *pos;
int diagnose = 0;
*err = 0;
- if (evlist->nr_entries == 0)
+ if (evlist->core.nr_entries == 0)
return NULL;
evlist__for_each_entry(evlist, pos) {
- if (pos->attr.config == PERF_EVENT_CPUM_SF_DIAG) {
+ if (pos->core.attr.config == PERF_EVENT_CPUM_SF_DIAG) {
diagnose = 1;
break;
}
diff --git a/tools/perf/arch/s390/util/header.c b/tools/perf/arch/s390/util/header.c
index 8b0b018d896a..7933f6871c81 100644
--- a/tools/perf/arch/s390/util/header.c
+++ b/tools/perf/arch/s390/util/header.c
@@ -8,6 +8,7 @@
*/
#include <sys/types.h>
+#include <errno.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
@@ -54,7 +55,7 @@ int get_cpuid(char *buffer, size_t sz)
sysinfo = fopen(SYSINFO, "r");
if (sysinfo == NULL)
- return -1;
+ return errno;
while ((read = getline(&line, &line_sz, sysinfo)) != -1) {
if (!strncmp(line, SYSINFO_MANU, strlen(SYSINFO_MANU))) {
@@ -89,7 +90,7 @@ int get_cpuid(char *buffer, size_t sz)
/* Missing manufacturer, type or model information should not happen */
if (!manufacturer[0] || !type[0] || !model[0])
- return -1;
+ return EINVAL;
/*
* Scan /proc/service_levels and return the CPU-MF counter facility
@@ -133,14 +134,14 @@ skip_sysinfo:
else
nbytes = snprintf(buffer, sz, "%s,%s,%s", manufacturer, type,
model);
- return (nbytes >= sz) ? -1 : 0;
+ return (nbytes >= sz) ? ENOBUFS : 0;
}
char *get_cpuid_str(struct perf_pmu *pmu __maybe_unused)
{
char *buf = malloc(128);
- if (buf && get_cpuid(buf, 128) < 0)
+ if (buf && get_cpuid(buf, 128))
zfree(&buf);
return buf;
}
diff --git a/tools/perf/arch/s390/util/kvm-stat.c b/tools/perf/arch/s390/util/kvm-stat.c
index f852f2a77e0a..0fd4e9f49ed0 100644
--- a/tools/perf/arch/s390/util/kvm-stat.c
+++ b/tools/perf/arch/s390/util/kvm-stat.c
@@ -7,6 +7,7 @@
*/
#include <errno.h>
+#include <string.h>
#include "../../util/kvm-stat.h"
#include "../../util/evsel.h"
#include <asm/sie.h>
@@ -23,7 +24,7 @@ const char *kvm_exit_reason = "icptcode";
const char *kvm_entry_trace = "kvm:kvm_s390_sie_enter";
const char *kvm_exit_trace = "kvm:kvm_s390_sie_exit";
-static void event_icpt_insn_get_key(struct perf_evsel *evsel,
+static void event_icpt_insn_get_key(struct evsel *evsel,
struct perf_sample *sample,
struct event_key *key)
{
@@ -34,7 +35,7 @@ static void event_icpt_insn_get_key(struct perf_evsel *evsel,
key->exit_reasons = sie_icpt_insn_codes;
}
-static void event_sigp_get_key(struct perf_evsel *evsel,
+static void event_sigp_get_key(struct evsel *evsel,
struct perf_sample *sample,
struct event_key *key)
{
@@ -42,7 +43,7 @@ static void event_sigp_get_key(struct perf_evsel *evsel,
key->exit_reasons = sie_sigp_order_codes;
}
-static void event_diag_get_key(struct perf_evsel *evsel,
+static void event_diag_get_key(struct evsel *evsel,
struct perf_sample *sample,
struct event_key *key)
{
@@ -50,7 +51,7 @@ static void event_diag_get_key(struct perf_evsel *evsel,
key->exit_reasons = sie_diagnose_codes;
}
-static void event_icpt_prog_get_key(struct perf_evsel *evsel,
+static void event_icpt_prog_get_key(struct evsel *evsel,
struct perf_sample *sample,
struct event_key *key)
{
diff --git a/tools/perf/arch/s390/util/machine.c b/tools/perf/arch/s390/util/machine.c
index a19690a17291..724efb2d842d 100644
--- a/tools/perf/arch/s390/util/machine.c
+++ b/tools/perf/arch/s390/util/machine.c
@@ -2,12 +2,13 @@
#include <unistd.h>
#include <stdio.h>
#include <string.h>
-#include "util.h"
+#include <internal/lib.h> // page_size
#include "machine.h"
#include "api/fs/fs.h"
#include "debug.h"
+#include "symbol.h"
-int arch__fix_module_text_start(u64 *start, const char *name)
+int arch__fix_module_text_start(u64 *start, u64 *size, const char *name)
{
u64 m_start = *start;
char path[PATH_MAX];
@@ -17,7 +18,35 @@ int arch__fix_module_text_start(u64 *start, const char *name)
if (sysfs__read_ull(path, (unsigned long long *)start) < 0) {
pr_debug2("Using module %s start:%#lx\n", path, m_start);
*start = m_start;
+ } else {
+ /* Successful read of the modules segment text start address.
+ * Calculate difference between module start address
+ * in memory and module text segment start address.
+ * For example module load address is 0x3ff8011b000
+ * (from /proc/modules) and module text segment start
+ * address is 0x3ff8011b870 (from file above).
+ *
+ * Adjust the module size and subtract the GOT table
+ * size located at the beginning of the module.
+ */
+ *size -= (*start - m_start);
}
return 0;
}
+
+/* On s390 kernel text segment start is located at very low memory addresses,
+ * for example 0x10000. Modules are located at very high memory addresses,
+ * for example 0x3ff xxxx xxxx. The gap between end of kernel text segment
+ * and beginning of first module's text segment is very big.
+ * Therefore do not fill this gap and do not assign it to the kernel dso map.
+ */
+void arch__symbols__fixup_end(struct symbol *p, struct symbol *c)
+{
+ if (strchr(p->name, '[') == NULL && strchr(c->name, '['))
+ /* Last kernel symbol mapped to end of page */
+ p->end = roundup(p->end, page_size);
+ else
+ p->end = c->start;
+ pr_debug4("%s sym:%s end:%#lx\n", __func__, p->name, p->end);
+}
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