b/arch/arm/mach-omap2/cpuidle34xx.c
@@ -24,6 +24,7 @@
#include <linux/sched.h>
#include <linux/cpuidle.h>
+#include <trace/events/power.h>
#include <plat/prcm.h>
#include <plat/irqs.h>
@@ -130,6 +131,7 @@ static int omap3_enter_idle(struct cpuidle_device *dev,
local_irq_disable();
local_fiq_disable();
+ trace_power_start(POWER_CSTATE, cx->type, smp_processor_id());
pwrdm_set_next_pwrst(mpu_pd, mpu_state);
pwrdm_set_next_pwrst(core_pd, core_state);
@@ -28,6 +28,7 @@
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/slab.h>
+#include <trace/events/power.h>
#include <plat/sram.h>
#include <plat/clockdomain.h>
@@ -588,6 +589,7 @@ static void omap3_pm_idle(void)
if (omap_irq_pending() || need_resched())
goto out;
+ trace_power_start(POWER_CSTATE, 1, smp_processor_id());
omap_sram_idle();
out:
@@ -628,6 +630,8 @@ static int omap3_pm_suspend(void)
omap2_pm_wakeup_on_timer(wakeup_timer_seconds,
wakeup_timer_milliseconds);
+ trace_power_start(POWER_CSTATE, -1, smp_processor_id());
+
/* Read current next_pwrsts */
list_for_each_entry(pwrst, &pwrst_list, node)
pwrst->saved_state = pwrdm_read_next_pwrst(pwrst->pwrdm);
@@ -25,6 +25,7 @@
#include <linux/err.h>
#include <linux/clk.h>
#include <linux/io.h>
+#include <trace/events/power.h>
#include <mach/hardware.h>
#include <plat/clock.h>
@@ -116,8 +117,10 @@ static int omap_target(struct cpufreq_policy *policy,
cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
#elif defined(CONFIG_ARCH_OMAP3) && !defined(CONFIG_OMAP_PM_NONE)
freq = target_freq * 1000;
- if (opp_find_freq_ceil(mpu_dev, &freq))
+ if (opp_find_freq_ceil(mpu_dev, &freq)) {
+ trace_power_frequency(POWER_PSTATE, freq, smp_processor_id());
omap_pm_cpu_set_freq(freq);
+ }
#endif
return ret;
}