diff options
| author | Steven Rostedt <rostedt@goodmis.org> | 2026-02-06 14:37:52 -0500 |
|---|---|---|
| committer | Steven Rostedt (Google) <rostedt@goodmis.org> | 2026-02-08 21:01:11 -0500 |
| commit | 326669faf3cbfda31b2203f0a66aa87812062e5f (patch) | |
| tree | 670bc5c7cc47084d3999cbe3a5716328659f2615 | |
| parent | c8b039c3e3763281c867489a926c52716337da59 (diff) | |
tracing: Move tracing_set_filter_buffering() into trace_events_hist.c
The function tracing_set_filter_buffering() is only used in
trace_events_hist.c. Move it to that file and make it static.
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: https://patch.msgid.link/20260206195936.617080218@kernel.org
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
| -rw-r--r-- | kernel/trace/trace.c | 20 | ||||
| -rw-r--r-- | kernel/trace/trace.h | 1 | ||||
| -rw-r--r-- | kernel/trace/trace_events_hist.c | 20 |
3 files changed, 20 insertions, 21 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 8c0f3cfd196b..702ef851db45 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -7891,26 +7891,6 @@ u64 tracing_event_time_stamp(struct trace_buffer *buffer, struct ring_buffer_eve return ring_buffer_event_time_stamp(buffer, rbe); } -/* - * Set or disable using the per CPU trace_buffer_event when possible. - */ -int tracing_set_filter_buffering(struct trace_array *tr, bool set) -{ - guard(mutex)(&trace_types_lock); - - if (set && tr->no_filter_buffering_ref++) - return 0; - - if (!set) { - if (WARN_ON_ONCE(!tr->no_filter_buffering_ref)) - return -EINVAL; - - --tr->no_filter_buffering_ref; - } - - return 0; -} - struct ftrace_buffer_info { struct trace_iterator iter; void *spare; diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index bb68539c64b7..31fb137e1c66 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -476,7 +476,6 @@ extern struct trace_array *trace_array_find(const char *instance); extern struct trace_array *trace_array_find_get(const char *instance); extern u64 tracing_event_time_stamp(struct trace_buffer *buffer, struct ring_buffer_event *rbe); -extern int tracing_set_filter_buffering(struct trace_array *tr, bool set); extern int tracing_set_clock(struct trace_array *tr, const char *clockstr); extern bool trace_clock_in_ns(struct trace_array *tr); diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index 0fc641461be5..e6f449f53afc 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -6531,6 +6531,26 @@ static bool existing_hist_update_only(char *glob, return updated; } +/* + * Set or disable using the per CPU trace_buffer_event when possible. + */ +static int tracing_set_filter_buffering(struct trace_array *tr, bool set) +{ + guard(mutex)(&trace_types_lock); + + if (set && tr->no_filter_buffering_ref++) + return 0; + + if (!set) { + if (WARN_ON_ONCE(!tr->no_filter_buffering_ref)) + return -EINVAL; + + --tr->no_filter_buffering_ref; + } + + return 0; +} + static int hist_register_trigger(char *glob, struct event_trigger_data *data, struct trace_event_file *file) |