[libcamera-devel] [PATCH v2 0/7] tracepoints: request: Improve request tracepoints

[Paul Elder]

This patch series contains miscellaneous improvements to the tracepoints
for Requests, which were useful in debugging the deconstruction of
Requests vs FrameBuffers [1].

v2 Cleans up some of the existing tracepoints a bit more, and adds even
more tracepoints, notably to v4l2 and pipeline.

[1] https://bugs.libcamera.org/show_bug.cgi?id=171

Paul Elder (7):
  tracepoints: request: Use public Request pointer in all tracepoints
  tracepoints: request: Add event class for request and buffer
  tracepoints: request: Add tracepoint for addBuffer
  tracepoints: request: Add flags to request_reuse tracepoint
  tracepoints: v4l2: Add tracepoints for tracking buffer lifetime
  tracepoints: pipeline: Add tracepoint for pipe stop
  tracepoints: pipeline: Add tracepoint for bufferReady

 .../internal/tracepoints/meson.build          |  2 +
 .../internal/tracepoints/pipeline.tp          | 31 ++++++++
 .../libcamera/internal/tracepoints/request.tp | 57 ++++++++++----
 .../libcamera/internal/tracepoints/v4l2.tp    | 77 +++++++++++++++++++
 .../internal/tracepoints/v4l2_enums.tp        | 16 ++++
 src/libcamera/pipeline/vimc/vimc.cpp          |  3 +
 src/libcamera/pipeline_handler.cpp            |  2 +
 src/libcamera/request.cpp                     | 13 ++--
 src/libcamera/v4l2_videodevice.cpp            |  9 +++
 9 files changed, 189 insertions(+), 21 deletions(-)
 create mode 100644 include/libcamera/internal/tracepoints/v4l2.tp
 create mode 100644 include/libcamera/internal/tracepoints/v4l2_enums.tp

-- 
2.35.1