Quoting Tvrtko Ursulin (2020-03-09 18:31:26) > From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> > > Some customers want to know how much of the GPU time are their clients > using in order to make dynamic load balancing decisions. > > With the hooks already in place which track the overall engine busyness, > we can extend that slightly to split that time between contexts. > > v2: Fix accounting for tail updates. > v3: Rebase. > v4: Mark currently running contexts as active on stats enable. > v5: Include some headers to fix the build. > v6: Added fine grained lock. > v7: Convert to seqlock. (Chris Wilson) > v8: Rebase and tidy with helpers. > v9: Refactor. > v10: Move recording start to promotion. (Chris) > v11: Consolidate duplicated code. (Chris) > v12: execlists->active cannot be NULL. (Chris) > v13: Move start to set_timeslice. (Chris) > > Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> > --- > drivers/gpu/drm/i915/gt/intel_context.c | 20 +++++++++++ > drivers/gpu/drm/i915/gt/intel_context.h | 13 +++++++ > drivers/gpu/drm/i915/gt/intel_context_types.h | 9 +++++ > drivers/gpu/drm/i915/gt/intel_engine_cs.c | 15 ++++++-- > drivers/gpu/drm/i915/gt/intel_lrc.c | 34 ++++++++++++++++++- > 5 files changed, 88 insertions(+), 3 deletions(-) We also should put together a basic selftest to accompany its introduction. Just something that runs a context (using a spinner) for 50ms and check the stats report ~50ms. -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
