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authorJiri Olsa2011-02-18 15:52:19 +0100
committerSteven Rostedt2011-03-10 10:34:47 -0500
commit31274d72f01604f4b02d933b4f3cac84d2c201fd (patch)
treed85c4bbe7fab3bcc9347de3a7788789fc2aa7c8d /kernel/hung_task.c
parent722b3c74695377d11d18a52f3da08114d37f3f37 (diff)
tracing: Explain about unstable clock on resume with ring buffer warning
The "Delta way too big" warning might appear on a system with a unstable shed clock right after the system is resumed and tracing was enabled at time of suspend. Since it's not realy a bug, and the unstable sched clock is working fast and reliable otherwise, Steven suggested to keep using the sched clock in any case and just to make note in the warning itself. v2 changes: - added #ifdef CONFIG_HAVE_UNSTABLE_SCHED_CLOCK Signed-off-by: Jiri Olsa <jolsa@redhat.com> LKML-Reference: <20110218145219.GD2604@jolsa.brq.redhat.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/hung_task.c')
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