[mutter] (9 commits) ...clutter/stage-cogl: Simplify redraw function

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

Summary of changes:

  e5e58f8... cogl: Add libsysprof capture based tracing (*)
  04fb6f7... clutter: Add some preliminary tracing to clutter (*)
  17c5436... profile: Add a Sysprof-based profiler (*)
  53748e3... cogl-trace: Cleanup context after disabling (*)
  e741cab... profiler: Support setting output filename (*)
  9b8f9b6... clutter: Add more descriptive profiling sections (*)
  7810f0e... cogl/trace: Add user-visible group name (*)
  04b240b... ci: Add sysprof3 to the Docker image (*)
  3e2a2cf... clutter/stage-cogl: Simplify redraw function (*)

(*) This commit already existed in another branch; no separate mail sent