Permits power state and battery life diagnosis. Feature activated by CONFIG_RTC_SHOW_TIME.
Signed-off-by: Mark Salyzyn <[email protected]> --- kernel/power/suspend.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c index 3ecf275d7e44..f44d2152ab3f 100644 --- a/kernel/power/suspend.c +++ b/kernel/power/suspend.c @@ -26,6 +26,7 @@ #include <linux/suspend.h> #include <linux/syscore_ops.h> #include <linux/ftrace.h> +#include <linux/rtc.h> #include <trace/events/power.h> #include <linux/compiler.h> #include <linux/moduleparam.h> @@ -579,6 +580,7 @@ int pm_suspend(suspend_state_t state) if (state <= PM_SUSPEND_ON || state >= PM_SUSPEND_MAX) return -EINVAL; + rtc_show_time("PM: suspend entry"); error = enter_state(state); if (error) { suspend_stats.fail++; @@ -586,6 +588,7 @@ int pm_suspend(suspend_state_t state) } else { suspend_stats.success++; } + rtc_show_time("PM: suspend exit"); return error; } EXPORT_SYMBOL(pm_suspend); -- 2.13.2.932.g7449e964c-goog
