2 files changed, 147 insertions, 18 deletions

diff --git a/tools/power/x86/turbostat/turbostat.8 b/tools/power/x86/turbostat/turbostat.8
index a08de27713e0..e31b7213fd45 100644
--- a/tools/power/x86/turbostat/turbostat.8
+++ b/tools/power/x86/turbostat/turbostat.8
@@ -47,9 +47,9 @@ name as necessary to disambiguate it from others is necessary.  Note that option
 		default: delta
 .fi
 .PP
-\fB--hide column\fP do not show the specified columns.  May be invoked multiple times, or with a comma-separated list of column names.
+\fB--hide column\fP do not show the specified columns.  May be invoked multiple times, or with a comma-separated list of column names.  Use "--hide sysfs" to hide the sysfs statistics columns as a group.
 .PP
-\fB--show column\fP show only the specified columns.  May be invoked multiple times, or with a comma-separated list of column names.
+\fB--show column\fP show only the specified columns.  May be invoked multiple times, or with a comma-separated list of column names.  Use "--show sysfs" to show the sysfs statistics columns as a group.
 .PP
 \fB--Dump\fP displays the raw counter values.
 .PP
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 841f837e317f..eb6cc8ccef06 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -208,7 +208,7 @@ struct pkg_data {
 #define GET_PKG(pkg_base, pkg_no) (pkg_base + pkg_no)
 
 enum counter_scope {SCOPE_CPU, SCOPE_CORE, SCOPE_PACKAGE};
-enum counter_type {COUNTER_CYCLES, COUNTER_SECONDS};
+enum counter_type {COUNTER_ITEMS, COUNTER_CYCLES, COUNTER_SECONDS, COUNTER_USEC};
 enum counter_format {FORMAT_RAW, FORMAT_DELTA, FORMAT_PERCENT};
 
 struct msr_counter {
@@ -222,6 +222,7 @@ struct msr_counter {
 	unsigned int flags;
 #define	FLAGS_HIDE	(1 << 0)
 #define	FLAGS_SHOW	(1 << 1)
+#define	SYSFS_PERCPU	(1 << 1)
 };
 
 struct sys_counters {
@@ -379,6 +380,7 @@ struct msr_counter bic[] = {
 	{ 0x0, "Core" },
 	{ 0x0, "CPU" },
 	{ 0x0, "Mod%c6" },
+	{ 0x0, "sysfs" },
 };
 
 #define MAX_BIC (sizeof(bic) / sizeof(struct msr_counter))
@@ -420,9 +422,10 @@ struct msr_counter bic[] = {
 #define	BIC_Core	(1ULL << 35)
 #define	BIC_CPU		(1ULL << 36)
 #define	BIC_Mod_c6	(1ULL << 37)
+#define	BIC_sysfs	(1ULL << 38)
 
 unsigned long long bic_enabled = 0xFFFFFFFFFFFFFFFFULL;
-unsigned long long bic_present;
+unsigned long long bic_present = BIC_sysfs;
 
 #define DO_BIC(COUNTER_NAME) (bic_enabled & bic_present & COUNTER_NAME)
 #define BIC_PRESENT(COUNTER_BIT) (bic_present |= COUNTER_BIT)
@@ -489,9 +492,6 @@ void print_header(void)
 	if (DO_BIC(BIC_SMI))
 		outp += sprintf(outp, "\tSMI");
 
-	if (DO_BIC(BIC_CPU_c1))
-		outp += sprintf(outp, "\tCPU%%c1");
-
 	for (mp = sys.tp; mp; mp = mp->next) {
 		if (mp->format == FORMAT_RAW) {
 			if (mp->width == 64)
@@ -499,10 +499,12 @@ void print_header(void)
 			else
 				outp += sprintf(outp, "\t%10.10s", mp->name);
 		} else {
-			outp += sprintf(outp, "\t%-7.7s", mp->name);
+			outp += sprintf(outp, "\t%s", mp->name);
 		}
 	}
 
+	if (DO_BIC(BIC_CPU_c1))
+		outp += sprintf(outp, "\tCPU%%c1");
 	if (DO_BIC(BIC_CPU_c3) && !do_slm_cstates && !do_knl_cstates)
 		outp += sprintf(outp, "\tCPU%%c3");
 	if (DO_BIC(BIC_CPU_c6))
@@ -523,7 +525,7 @@ void print_header(void)
 			else
 				outp += sprintf(outp, "\t%10.10s", mp->name);
 		} else {
-			outp += sprintf(outp, "\t%-7.7s", mp->name);
+			outp += sprintf(outp, "\t%s", mp->name);
 		}
 	}
 
@@ -592,7 +594,7 @@ void print_header(void)
 			else
 				outp += sprintf(outp, "\t%10.10s", mp->name);
 		} else {
-			outp += sprintf(outp, "\t%-7.7s", mp->name);
+			outp += sprintf(outp, "\t%s", mp->name);
 		}
 	}
 
@@ -753,10 +755,6 @@ int format_counters(struct thread_data *t, struct core_data *c,
 	if (DO_BIC(BIC_SMI))
 		outp += sprintf(outp, "\t%d", t->smi_count);
 
-	/* C1 */
-	if (DO_BIC(BIC_CPU_c1))
-		outp += sprintf(outp, "\t%.2f", 100.0 * t->c1/tsc);
-
 	/* Added counters */
 	for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
 		if (mp->format == FORMAT_RAW) {
@@ -767,10 +765,18 @@ int format_counters(struct thread_data *t, struct core_data *c,
 		} else if (mp->format == FORMAT_DELTA) {
 			outp += sprintf(outp, "\t%lld", t->counter[i]);
 		} else if (mp->format == FORMAT_PERCENT) {
-			outp += sprintf(outp, "\t%.2f", 100.0 * t->counter[i]/tsc);
+			if (mp->type == COUNTER_USEC)
+				outp += sprintf(outp, "\t%.2f", t->counter[i]/interval_float/10000);
+			else
+				outp += sprintf(outp, "\t%.2f", 100.0 * t->counter[i]/tsc);
 		}
 	}
 
+	/* C1 */
+	if (DO_BIC(BIC_CPU_c1))
+		outp += sprintf(outp, "\t%.2f", 100.0 * t->c1/tsc);
+
+
 	/* print per-core data only for 1st thread in core */
 	if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
 		goto done;
@@ -1286,6 +1292,8 @@ void compute_average(struct thread_data *t, struct core_data *c,
 	for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
 		if (mp->format == FORMAT_RAW)
 			continue;
+		if (mp->flags & SYSFS_PERCPU && mp->type == COUNTER_ITEMS)
+			continue;
 		average.threads.counter[i] /= topo.num_cpus;
 	}
 	for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
@@ -1348,7 +1356,16 @@ int get_mp(int cpu, struct msr_counter *mp, unsigned long long *counterp)
 		if (get_msr(cpu, mp->msr_num, counterp))
 			return -1;
 	} else {
-		*counterp = snapshot_sysfs_counter(mp->path);
+		char path[128];
+
+		if (mp->flags & SYSFS_PERCPU) {
+			sprintf(path, "/sys/devices/system/cpu/cpu%d/%s",
+				 cpu, mp->path);
+
+			*counterp = snapshot_sysfs_counter(path);
+		} else {
+			*counterp = snapshot_sysfs_counter(mp->path);
+		}
 	}
 
 	return 0;
@@ -2822,6 +2839,48 @@ dump_cstate_pstate_config_info(unsigned int family, unsigned int model)
 	dump_nhm_cst_cfg();
 }
 
+static void
+dump_sysfs_cstate_config(void)
+{
+	char path[64];
+	char name_buf[16];
+	char desc[64];
+	FILE *input;
+	int state;
+	char *sp;
+
+	if (!DO_BIC(BIC_sysfs))
+		return;
+
+	for (state = 0; state < 10; ++state) {
+
+		sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/name",
+			base_cpu, state);
+		input = fopen(path, "r");
+		if (input == NULL)
+			continue;
+		fgets(name_buf, sizeof(name_buf), input);
+
+		 /* 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",
+			base_cpu, state);
+		input = fopen(path, "r");
+		if (input == NULL)
+			continue;
+		fgets(desc, sizeof(desc), input);
+
+		fprintf(outf, "cpu%d: %s: %s", base_cpu, name_buf, desc);
+		fclose(input);
+	}
+}
+
 
 /*
  * print_epb()
@@ -4008,6 +4067,9 @@ void process_cpuid()
 	if (!quiet)
 		dump_cstate_pstate_config_info(family, model);
 
+	if (!quiet)
+		dump_sysfs_cstate_config();
+
 	if (has_skl_msrs(family, model))
 		calculate_tsc_tweak();
 
@@ -4380,7 +4442,7 @@ void print_version() {
 
 int add_counter(unsigned int msr_num, char *path, char *name,
 	unsigned int width, enum counter_scope scope,
-	enum counter_type type, enum counter_format format)
+	enum counter_type type, enum counter_format format, int flags)
 {
 	struct msr_counter *msrp;
 
@@ -4397,6 +4459,7 @@ int add_counter(unsigned int msr_num, char *path, char *name,
 	msrp->width = width;
 	msrp->type = type;
 	msrp->format = format;
+	msrp->flags = flags;
 
 	switch (scope) {
 
@@ -4486,6 +4549,10 @@ void parse_add_command(char *add_command)
 			type = COUNTER_SECONDS;
 			goto next;
 		}
+		if (!strncmp(add_command, "usec", strlen("usec"))) {
+			type = COUNTER_USEC;
+			goto next;
+		}
 		if (!strncmp(add_command, "raw", strlen("raw"))) {
 			format = FORMAT_RAW;
 			goto next;
@@ -4541,7 +4608,7 @@ next:
 		}
 	}
 
-	if (add_counter(msr_num, path, name_buffer, width, scope, type, format))
+	if (add_counter(msr_num, path, name_buffer, width, scope, type, format, 0))
 		fail++;
 
 	if (fail) {
@@ -4549,6 +4616,65 @@ next:
 		exit(1);
 	}
 }
+
+void probe_sysfs(void)
+{
+	char path[64];
+	char name_buf[16];
+	FILE *input;
+	int state;
+	char *sp;
+
+	if (!DO_BIC(BIC_sysfs))
+		return;
+
+	for (state = 10; state > 0; --state) {
+
+		sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/name",
+			base_cpu, state);
+		input = fopen(path, "r");
+		if (input == NULL)
+			continue;
+		fgets(name_buf, sizeof(name_buf), input);
+
+		 /* truncate "C1-HSW\n" to "C1", or truncate "C1\n" to "C1" */
+		sp = strchr(name_buf, '-');
+		if (!sp)
+			sp = strchrnul(name_buf, '\n');
+		*sp = '%';
+		*(sp + 1) = '\0';
+
+		fclose(input);
+
+		sprintf(path, "cpuidle/state%d/time", state);
+
+		add_counter(0, path, name_buf, 64, SCOPE_CPU, COUNTER_USEC,
+				FORMAT_PERCENT, SYSFS_PERCPU);
+	}
+
+	for (state = 10; state > 0; --state) {
+
+		sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/name",
+			base_cpu, state);
+		input = fopen(path, "r");
+		if (input == NULL)
+			continue;
+		fgets(name_buf, sizeof(name_buf), input);
+		 /* 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, "cpuidle/state%d/usage", state);
+
+		add_counter(0, path, name_buf, 64, SCOPE_CPU, COUNTER_ITEMS,
+				FORMAT_DELTA, SYSFS_PERCPU);
+	}
+
+}
+
 /*
  * HIDE_LIST - hide this list of counters, show the rest [default]
  * SHOW_LIST - show this list of counters, hide the rest
@@ -4581,6 +4707,7 @@ void parse_show_hide(char *optarg, enum show_hide_mode new_mode)
 	 *  multiple invocations simply clear more bits in enabled mask
 	 */
 	bic_enabled &= ~bic_lookup(optarg);
+
 }
 
 void cmdline(int argc, char **argv)
@@ -4682,6 +4809,8 @@ int main(int argc, char **argv)
 	if (!quiet)
 		print_version();
 
+	probe_sysfs();
+
 	turbostat_init();
 
 	/* dump counters and exit */