diff options
| author | Yordan Karadzhov (VMware) <y.karadz@gmail.com> | 2021-04-15 21:18:51 +0300 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2021-04-15 14:50:02 -0400 |
| commit | 20344c54d1c7ab7428e312bbe9b0097750875002 (patch) | |
| tree | 0e9cccc4e78351f7ec7705316147adaae2f1257c /kernel/trace/trace.c | |
| parent | f689e4f280b69cd7341743c2ecacd1b13528a0d8 (diff) | |
tracing: Add "last_func_repeats" to struct trace_array
The field is used to keep track of the consecutive (on the same CPU) calls
of a single function. This information is needed in order to consolidate
the function tracing record in the cases when a single function is called
number of times.
Link: https://lkml.kernel.org/r/20210415181854.147448-4-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.c')
| -rw-r--r-- | kernel/trace/trace.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 507a30bf26e4..82833be07c1e 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -9104,6 +9104,7 @@ static int __remove_instance(struct trace_array *tr) ftrace_clear_pids(tr); ftrace_destroy_function_files(tr); tracefs_remove(tr->dir); + free_percpu(tr->last_func_repeats); free_trace_buffers(tr); for (i = 0; i < tr->nr_topts; i++) { |