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-rw-r--r--arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c3
-rw-r--r--arch/x86/kernel/process.c8
-rw-r--r--drivers/cpufreq/cpufreq.c5
-rw-r--r--drivers/cpuidle/cpuidle.c2
-rw-r--r--include/trace/events/power.h27
-rw-r--r--tools/perf/builtin-timechart.c11
6 files changed, 31 insertions, 25 deletions
diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
index cee7aa949c35..246cd3afbb5f 100644
--- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -34,7 +34,6 @@
#include <linux/compiler.h>
#include <linux/dmi.h>
#include <linux/slab.h>
-#include <trace/events/power.h>
#include <linux/acpi.h>
#include <linux/io.h>
@@ -324,8 +323,6 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy,
}
}
- trace_power_frequency(POWER_PSTATE, data->freq_table[next_state].frequency);
-
switch (data->cpu_feature) {
case SYSTEM_INTEL_MSR_CAPABLE:
cmd.type = SYSTEM_INTEL_MSR_CAPABLE;
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index e7e35219b32f..787572d43d9c 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -371,7 +371,7 @@ static inline int hlt_use_halt(void)
void default_idle(void)
{
if (hlt_use_halt()) {
- trace_power_start(POWER_CSTATE, 1);
+ trace_power_start(POWER_CSTATE, 1, smp_processor_id());
current_thread_info()->status &= ~TS_POLLING;
/*
* TS_POLLING-cleared state must be visible before we
@@ -441,7 +441,7 @@ EXPORT_SYMBOL_GPL(cpu_idle_wait);
*/
void mwait_idle_with_hints(unsigned long ax, unsigned long cx)
{
- trace_power_start(POWER_CSTATE, (ax>>4)+1);
+ trace_power_start(POWER_CSTATE, (ax>>4)+1, smp_processor_id());
if (!need_resched()) {
if (cpu_has(&current_cpu_data, X86_FEATURE_CLFLUSH_MONITOR))
clflush((void *)&current_thread_info()->flags);
@@ -457,7 +457,7 @@ void mwait_idle_with_hints(unsigned long ax, unsigned long cx)
static void mwait_idle(void)
{
if (!need_resched()) {
- trace_power_start(POWER_CSTATE, 1);
+ trace_power_start(POWER_CSTATE, 1, smp_processor_id());
if (cpu_has(&current_cpu_data, X86_FEATURE_CLFLUSH_MONITOR))
clflush((void *)&current_thread_info()->flags);
@@ -478,7 +478,7 @@ static void mwait_idle(void)
*/
static void poll_idle(void)
{
- trace_power_start(POWER_CSTATE, 0);
+ trace_power_start(POWER_CSTATE, 0, smp_processor_id());
local_irq_enable();
while (!need_resched())
cpu_relax();
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 40877d219081..6ce1bb735635 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -29,6 +29,8 @@
#include <linux/completion.h>
#include <linux/mutex.h>
+#include <trace/events/power.h>
+
#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_CORE, \
"cpufreq-core", msg)
@@ -350,6 +352,9 @@ void cpufreq_notify_transition(struct cpufreq_freqs *freqs, unsigned int state)
case CPUFREQ_POSTCHANGE:
adjust_jiffies(CPUFREQ_POSTCHANGE, freqs);
+ dprintk("FREQ: %lu - CPU: %lu", (unsigned long)freqs->new,
+ (unsigned long)freqs->cpu);
+ trace_power_frequency(POWER_PSTATE, freqs->new, freqs->cpu);
srcu_notifier_call_chain(&cpufreq_transition_notifier_list,
CPUFREQ_POSTCHANGE, freqs);
if (likely(policy) && likely(policy->cpu == freqs->cpu))
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index 199488576a05..dbefe15bd582 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -95,7 +95,7 @@ static void cpuidle_idle_call(void)
/* give the governor an opportunity to reflect on the outcome */
if (cpuidle_curr_governor->reflect)
cpuidle_curr_governor->reflect(dev);
- trace_power_end(0);
+ trace_power_end(smp_processor_id());
}
/**
diff --git a/include/trace/events/power.h b/include/trace/events/power.h
index c4efe9b8280d..35a2a6e7bf1e 100644
--- a/include/trace/events/power.h
+++ b/include/trace/events/power.h
@@ -18,52 +18,55 @@ enum {
DECLARE_EVENT_CLASS(power,
- TP_PROTO(unsigned int type, unsigned int state),
+ TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
- TP_ARGS(type, state),
+ TP_ARGS(type, state, cpu_id),
TP_STRUCT__entry(
__field( u64, type )
__field( u64, state )
+ __field( u64, cpu_id )
),
TP_fast_assign(
__entry->type = type;
__entry->state = state;
+ __entry->cpu_id = cpu_id;
),
- TP_printk("type=%lu state=%lu", (unsigned long)__entry->type, (unsigned long)__entry->state)
+ TP_printk("type=%lu state=%lu cpu_id=%lu", (unsigned long)__entry->type,
+ (unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
);
DEFINE_EVENT(power, power_start,
- TP_PROTO(unsigned int type, unsigned int state),
+ TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
- TP_ARGS(type, state)
+ TP_ARGS(type, state, cpu_id)
);
DEFINE_EVENT(power, power_frequency,
- TP_PROTO(unsigned int type, unsigned int state),
+ TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
- TP_ARGS(type, state)
+ TP_ARGS(type, state, cpu_id)
);
TRACE_EVENT(power_end,
- TP_PROTO(int dummy),
+ TP_PROTO(unsigned int cpu_id),
- TP_ARGS(dummy),
+ TP_ARGS(cpu_id),
TP_STRUCT__entry(
- __field( u64, dummy )
+ __field( u64, cpu_id )
),
TP_fast_assign(
- __entry->dummy = 0xffff;
+ __entry->cpu_id = cpu_id;
),
- TP_printk("dummy=%lu", (unsigned long)__entry->dummy)
+ TP_printk("cpu_id=%lu", (unsigned long)__entry->cpu_id)
);
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index 5a52ed9fc10b..5161619d4714 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -300,8 +300,9 @@ struct trace_entry {
struct power_entry {
struct trace_entry te;
- s64 type;
- s64 value;
+ u64 type;
+ u64 value;
+ u64 cpu_id;
};
#define TASK_COMM_LEN 16
@@ -498,13 +499,13 @@ static int process_sample_event(event_t *event, struct perf_session *session)
return 0;
if (strcmp(event_str, "power:power_start") == 0)
- c_state_start(data.cpu, data.time, pe->value);
+ c_state_start(pe->cpu_id, data.time, pe->value);
if (strcmp(event_str, "power:power_end") == 0)
- c_state_end(data.cpu, data.time);
+ c_state_end(pe->cpu_id, data.time);
if (strcmp(event_str, "power:power_frequency") == 0)
- p_state_change(data.cpu, data.time, pe->value);
+ p_state_change(pe->cpu_id, data.time, pe->value);
if (strcmp(event_str, "sched:sched_wakeup") == 0)
sched_wakeup(data.cpu, data.time, data.pid, te);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.