On Tue, 31 Dec 2013 22:17:39 -0600 Rob Landley <r...@landley.net> wrote:
> On 12/30/13 09:26, Martin Schwidefsky wrote: > > On Mon, 30 Dec 2013 16:11:10 +0100 > > Oleg Nesterov <o...@redhat.com> wrote: > >> Not sure I understand... except that timekeeping_resume() does > >> __timekeeping_inject_sleeptime(). > > > > Hmm, you are right. The sleeptime is added to the monotonic boottime. > > So the first value of /proc/uptime is the wall-time since boot. > > And the second value is combined idle time over all cpus. > > Is there an obvious way to query the non-suspend uptime from userspace? clock_gettime with CLOCK_MONOTONIC gives you the uptime minus without the suspend time. -- blue skies, Martin. "Reality continues to ruin my life." - Calvin. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
