On Wed, 2014-03-12 at 12:46 -0700, Ruchi Kandoi wrote: > For power management diagnostic purposes, it is often useful to know > what interrupts are frequently waking the system from low power > suspend mode, especially on battery-powered consumer electronics > devices that are expected to spend much of their time in low-power > suspend while not in active use. For example, reduced battery life on > a mobile phone may be caused in part by frequent wakeups by broadcast > traffic on a busy wireless LAN even while the screen is off and the > phone not in active use.
trivial note: > diff --git a/kernel/power/wakeup_reason.c b/kernel/power/wakeup_reason.c [] > +#define pr_fmt(fmt) "wakeup_reason:" fmt It's almost universal in the kernel to have a space after the : in the prefix #define pr_fmt(fmt) "wakeup_reason: " fmt -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
