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Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull leftover perf fixes from Ingo Molnar:
 "Two perf fixes left over from the previous cycle"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf session: Do not fail on processing out of order event
  x86/asm/traps: Disable tracing and kprobes in fixup_bad_iret and sync_regs
This commit is contained in:
Linus Torvalds 2014-12-09 21:18:06 -08:00
commit bee2782f30
3 changed files with 9 additions and 8 deletions
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11
tools/perf/util/session.c
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@ -533,15 +533,11 @@ int perf_session_queue_event(struct perf_session *s, union perf_event *event,
return -ETIME;
if (timestamp < oe->last_flush) {
WARN_ONCE(1, "Timestamp below last timeslice flush\n");
pr_oe_time(timestamp, "out of order event");
pr_oe_time(timestamp, "out of order event\n");
pr_oe_time(oe->last_flush, "last flush, last_flush_type %d\n",
oe->last_flush_type);
/* We could get out of order messages after forced flush. */
if (oe->last_flush_type != OE_FLUSH__HALF)
return -EINVAL;
s->stats.nr_unordered_events++;
}
new = ordered_events__new(oe, timestamp, event);
@ -1118,6 +1114,9 @@ static void perf_session__warn_about_errors(const struct perf_session *session,
"Do you have a KVM guest running and not using 'perf kvm'?\n",
session->stats.nr_unprocessable_samples);
}
if (session->stats.nr_unordered_events != 0)
ui__warning("%u out of order events recorded.\n", session->stats.nr_unordered_events);
}
volatile int session_done;