On Thu, 30 Jul 2026 13:45:16 +0200 Nicolas Frattaroli <[email protected]> wrote:
> Add two new event tracepoints: gpu_cache_flush_start to be emitted after > acquiring the flush mutex and reqs spinlock, and gpu_cache_flush_end to > be emitted when leaving the function. > > This allows debugging the duration a flush takes irrespective of initial > function entry lock contention by subtracting the start tracepoint's > timestamp from the end tracepoint timestamp, and additionally contains > information such as which caches were flushed. > > Signed-off-by: Nicolas Frattaroli <[email protected]> > --- > drivers/gpu/drm/panthor/panthor_gpu.c | 3 ++ > drivers/gpu/drm/panthor/panthor_trace.h | 49 > +++++++++++++++++++++++++++++++++ > 2 files changed, 52 insertions(+) From the tracing point of view: Reviewed-by: Steven Rostedt <[email protected]> -- Steve
