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Commit e9345aab authored by Ingo Molnar's avatar Ingo Molnar
Browse files

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



This reverts commit 5e38ca8f.

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: default avatarIngo Molnar <mingo@elte.hu>
parent bee96907

kernel/trace/ring_buffer.c

+2 −6
Original line number Diff line number Diff line
@@ -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;

		}

	}