Re: [PATCH 15/15] btrfs: Use trace_invoke_##name() at guarded tracepoint call sites

David Sterba
2026-03-13T11:57:15Z

On Thu, Mar 12, 2026 at 11:05:10AM -0400, Vineeth Pillai (Google) wrote:
> Replace trace_foo() with the new trace_invoke_foo() at sites already
> guarded by trace_foo_enabled(), avoiding a redundant
> static_branch_unlikely() re-evaluation inside the tracepoint.
> trace_invoke_foo() calls the tracepoint callbacks directly without
> utilizing the static branch again.
>
> Suggested-by: Steven Rostedt <rostedt@goodmis.org>
> Suggested-by: Peter Zijlstra <peterz@infradead.org>
> Signed-off-by: Vineeth Pillai (Google) <vineeth@bitbyteword.org>
> Assisted-by: Claude:claude-sonnet-4-6

Acked-by: David Sterba <dsterba@suse.com>