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| author | Yordan Karadzhov (VMware) <y.karadz@gmail.com> | 2021-04-15 21:18:52 +0300 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2021-04-15 21:50:02 +0300 |
| commit | c658797f1a70561205a224be0c8be64977ed64e8 (patch) | |
| tree | 78291ae35b41cbe969cc3dd477268049f4cbe1fd /kernel/trace/trace.h | |
| parent | 20344c54d1c7ab7428e312bbe9b0097750875002 (diff) | |
| download | linux-c658797f1a70561205a224be0c8be64977ed64e8.tar.xz | |
tracing: Add method for recording "func_repeats" events
This patch only provides the implementation of the method.
Later we will used it in a combination with a new option for
function tracing.
Link: https://lkml.kernel.org/r/20210415181854.147448-5-y.karadz@gmail.com
Signed-off-by: Yordan Karadzhov (VMware) <y.karadz@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace.h')
| -rw-r--r-- | kernel/trace/trace.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index a4f1b66049fd..cd80d046c7a5 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -695,6 +695,10 @@ static inline void __trace_stack(struct trace_array *tr, unsigned int trace_ctx, } #endif /* CONFIG_STACKTRACE */ +void trace_last_func_repeats(struct trace_array *tr, + struct trace_func_repeats *last_info, + unsigned int trace_ctx); + extern u64 ftrace_now(int cpu); extern void trace_find_cmdline(int pid, char comm[]); |