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Revert "tracing: Add unstable sched clock note to the warning"

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This reverts commit 5e38ca8f3e.

Breaks the build of several !CONFIG_HAVE_UNSTABLE_SCHED_CLOCK
architectures.

Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Message-ID: <20110217171823.GB17058@elte.hu>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar 2011-02-18 08:09:49 +01:00
parent bee9690738
commit e9345aab67
1 changed files with 2 additions and 6 deletions
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8
kernel/trace/ring_buffer.c
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@ -2163,14 +2163,10 @@ rb_reserve_next_event(struct ring_buffer *buffer,
delta = diff;
if (unlikely(test_time_stamp(delta))) {
WARN_ONCE(delta > (1ULL << 59),
KERN_WARNING "Delta way too big! %llu ts=%llu write stamp = %llu\n%s",
KERN_WARNING "Delta way too big! %llu ts=%llu write stamp = %llu\n",
(unsigned long long)delta,
(unsigned long long)ts,
(unsigned long long)cpu_buffer->write_stamp,
sched_clock_stable ? "" :
"If you just came from a suspend/resume,\n"
"please switch to the trace global clock:\n"
" echo global > /sys/kernel/debug/tracing/trace_clock\n");
(unsigned long long)cpu_buffer->write_stamp);
add_timestamp = 1;
}
}