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| author |   Frédéric Weisbecker <fweisbec@gmail.com> | 2008-09-21 20:10:14 +0200 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2008-10-14 10:38:04 +0200 |
| commit | 35cb5ed01261f5669657d2f1720aca902299887d (patch) | |
| tree | b4c91f58d56f0744d076cfb69967efa747f1385d /kernel/trace/trace_nop.c | |
| parent | trace: remove pointless ifdefs (diff) | |
| download | linux-dev-35cb5ed01261f5669657d2f1720aca902299887d.tar.xz linux-dev-35cb5ed01261f5669657d2f1720aca902299887d.zip | |
tracing/ftrace: make nop tracer reset previous entries
If nop tracer is selected, some old entries from the previous tracer
could still be enqueued. Tracing have to be reset.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Steven Noonan <steven@uplinklabs.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/trace/trace_nop.c')
| -rw-r--r-- | kernel/trace/trace_nop.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/trace/trace_nop.c b/kernel/trace/trace_nop.c index dafaefb84038..9fb02c17ad0c 100644 --- a/kernel/trace/trace_nop.c +++ b/kernel/trace/trace_nop.c @@ -26,8 +26,12 @@ static void stop_nop_trace(struct trace_array *tr) static void nop_trace_init(struct trace_array *tr) { + int cpu; ctx_trace = tr; + for_each_online_cpu(cpu) + tracing_reset(tr->data[cpu]); + if (tr->ctrl) start_nop_trace(tr); } |