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| author | Steven Rostedt (Google) <rostedt@goodmis.org> | 2023-01-17 16:21:31 +0100 |
|---|---|---|
| committer | Steven Rostedt (Google) <rostedt@goodmis.org> | 2023-01-25 16:31:24 +0100 |
| commit | b81a3a100cca1bd63d897efa339d047986615c9f (patch) | |
| tree | e026258d600c60a0dbb7233e760cc07d72e35a1f /kernel/trace | |
| parent | tracing/histogram: Document variable stacktrace (diff) | |
| download | linux-b81a3a100cca1bd63d897efa339d047986615c9f.tar.xz linux-b81a3a100cca1bd63d897efa339d047986615c9f.zip | |
tracing/histogram: Add simple tests for stacktrace usage of synthetic events
Update the selftests to include a test of passing a stacktrace between the
events of a synthetic event.
Link: https://lkml.kernel.org/r/20230117152236.475439286@goodmis.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Tom Zanussi <zanussi@kernel.org>
Cc: Ross Zwisler <zwisler@google.com>
Cc: Ching-lin Yu <chinglinyu@google.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/trace.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 78ed5f1baa8c..b90eecd27dfc 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -5757,7 +5757,7 @@ static const char readme_msg[] = #ifdef CONFIG_SYNTH_EVENTS " events/synthetic_events\t- Create/append/remove/show synthetic events\n" "\t Write into this file to define/undefine new synthetic events.\n" - "\t example: echo 'myevent u64 lat; char name[]' >> synthetic_events\n" + "\t example: echo 'myevent u64 lat; char name[]; long[] stack' >> synthetic_events\n" #endif #endif ; |