diff options
-rw-r--r-- | arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c | 3 | ||||
-rw-r--r-- | arch/x86/kernel/process.c | 8 | ||||
-rw-r--r-- | drivers/cpufreq/cpufreq.c | 3 | ||||
-rw-r--r-- | drivers/cpuidle/cpuidle.c | 2 | ||||
-rwxr-xr-x | drivers/idle/intel_idle.c | 2 | ||||
-rw-r--r-- | include/trace/events/power.h | 27 | ||||
-rw-r--r-- | tools/perf/builtin-timechart.c | 11 |
7 files changed, 30 insertions, 26 deletions
diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c index 1d3cdda..cee5263 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 e7e3521..787572d 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(¤t_cpu_data, X86_FEATURE_CLFLUSH_MONITOR)) clflush((void *)¤t_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(¤t_cpu_data, X86_FEATURE_CLFLUSH_MONITOR)) clflush((void *)¤t_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 063b218..4ed6657 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) @@ -354,6 +356,7 @@ void cpufreq_notify_transition(struct cpufreq_freqs *freqs, unsigned int state) case CPUFREQ_POSTCHANGE: adjust_jiffies(CPUFREQ_POSTCHANGE, freqs); + 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 1994885..dbefe15 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/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index 54f0fb4..03d202b 100755 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -231,7 +231,7 @@ static int intel_idle(struct cpuidle_device *dev, struct cpuidle_state *state) stop_critical_timings(); #ifndef MODULE - trace_power_start(POWER_CSTATE, (eax >> 4) + 1); + trace_power_start(POWER_CSTATE, (eax >> 4) + 1, cpu); #endif if (!need_resched()) { diff --git a/include/trace/events/power.h b/include/trace/events/power.h index c4efe9b..35a2a6e 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 5a52ed9..5161619 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); |