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timeline: Add weston_timeline_profiling() and use it

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When we use perfetto, we'll want to enable the renderer timepoints, which
are currently gated behind weston_log_scope_is_enabled(). So let's make a
function that checks if either the timeline scope or perfetto is enabled.

We do not yet process these timepoints, that comes in a future commit.

Signed-off-by: Derek Foreman <derek.foreman@collabora.com>
This commit is contained in:
Derek Foreman 2025-01-10 08:30:05 -06:00 • committed by Daniel Stone
parent da1dca9d77
commit b3635c17f4
3 changed files with 28 additions and 3 deletions
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6
libweston/renderer-gl/gl-renderer.c
View file

@ -525,7 +525,7 @@ static void
timeline_begin_render_query(struct gl_renderer *gr, GLuint query)
{
if (gl_features_has(gr, FEATURE_GPU_TIMELINE) &&
weston_log_scope_is_enabled(gr->compositor->timeline))
weston_timeline_profiling(gr->compositor->timeline))
gr->begin_query(GL_TIME_ELAPSED_EXT, query);
}
@ -533,7 +533,7 @@ static void
timeline_end_render_query(struct gl_renderer *gr)
{
if (gl_features_has(gr, FEATURE_GPU_TIMELINE) &&
weston_log_scope_is_enabled(gr->compositor->timeline))
weston_timeline_profiling(gr->compositor->timeline))
gr->end_query(GL_TIME_ELAPSED_EXT);
}
@ -608,7 +608,7 @@ timeline_submit_render_sync(struct gl_renderer *gr,
struct timeline_render_point *trp;
if (!gl_features_has(gr, FEATURE_GPU_TIMELINE) ||
!weston_log_scope_is_enabled(gr->compositor->timeline) ||
!weston_timeline_profiling(gr->compositor->timeline) ||
sync == EGL_NO_SYNC_KHR)
return;

22
libweston/timeline.c
View file

@ -36,6 +36,7 @@
#include <libweston/weston-log.h>
#include "timeline.h"
#include "weston-log-internal.h"
#include "weston-trace.h"
/**
* Timeline itself is not a subscriber but a scope (a producer of data), and it
@ -494,3 +495,24 @@ weston_timeline_point(struct weston_log_scope *timeline_scope,
}
}
/** Check if weston is tracing performance events
*
* @param timeline_scope the timeline scope
*
* Returns true if weston is generating performance events for either perfetto
* or the timeline log scope.
*
* @ingroup log
*/
WL_EXPORT bool
weston_timeline_profiling(struct weston_log_scope *timeline_scope)
{
if (weston_log_scope_is_enabled(timeline_scope))
return true;
if (util_perfetto_is_tracing_enabled())
return true;
return false;
}

3
libweston/timeline.h
View file

@ -111,4 +111,7 @@ void
weston_timeline_point(struct weston_log_scope *timeline_scope,
enum timeline_point_name tlp_name, ...);
bool
weston_timeline_profiling(struct weston_log_scope *timeline_scope);
#endif /* WESTON_TIMELINE_H */