From: Tvrtko Ursulin <[email protected]> A bunch of patches to trace.pl and gem_wsim which enable simulation and load balancing analysis of the Virtual Engine work done separately by Chris Wilson.
Culmination is being able to simulate a so called frame split media workloads. Example workload for this looks like this (annotated only for cover letter): X.1.0 ; disable preemption on context 1 M.1.VCS1 ; configure engine map on context 1 B.1 ; turn on load balancing on context 1 X.2.0 ; \ M.2.VCS2 ; -> same as above but for context 2 B.2 ; / b.2.1.VCS1 ; bond VCS2 in context 2 with VCS1 f ; create an unsignaled fence 1.DEFAULT.*.f-1.0 ; submit an infinite batch to ctx 1, with input fence 2.DEFAULT.4000-6000.s-1.0 ; submit a 4-6ms batch to ctx 2, with submit fence from the previous step a.-3 ; advance the fence created 3 lines above s.-2 ; wait for ctx 2 batch to complete T.-4 ; terminate ctx 1 infinite batch 3.RCS.2000-4000.-5/-4.0 ; submit 2-4ms ctx 3 batch to RCS, with data dependencies 3.VECS.2000.-1.0 ; submit 2ms ctx 3 batch to VECS, data dependency on previous batch 4.BCS.1000.-1.0 ; submit 1ms ctx 4 batch to BCS, data dependency on previous batch s.-2 ; wait for ctx 3 batch to complete p.16667 ; start next iteration to hit 60fps simulation And can be run for instance like this: ./gem_wsim -n <calibration> -w wsim/frame_split_60fps.wsim -r 60 -c 3 This runs three clients of the same workload, 60 iterations each. This can then also be captured with trace.pl and a HTML representation of the execution timeline analysed: ../scripts/trace.pl --trace ./gem_wsim ... perf script | ../scripts/trace.pl -s -c --gpu-timeline --html >timeline.html [Vis npm module is required to be present in the same directory as the HTML ] [file, see trace.pl --help for instructions. ] Tvrtko Ursulin (17): lib: Update uapi headers trace.pl: Virtual engine support trace.pl: Virtual engine preemption support wsim/media-bench: i915 balancing gem_wsim: Use IGT uapi headers gem_wsim: Fix shadowed local gem_wsim: Factor out common error handling gem_wsim: More wsim_err gem_wsim: Submit fence support gem_wsim: Extract str to engine lookup gem_wsim: Engine map support gem_wsim: Save some lines by changing to implicit NULL checking gem_wsim: Compact int command parsing with a macro gem_wsim: Engine map load balance command gem_wsim: Engine bond command gem_wsim: Some more example workloads gem_wsim: Infinite batch support benchmarks/gem_wsim.c | 1060 +++++++++++++------ benchmarks/wsim/README | 111 +- benchmarks/wsim/frame-split-60fps.wsim | 18 + benchmarks/wsim/high-composited-game.wsim | 11 + benchmarks/wsim/media-1080p-player.wsim | 5 + benchmarks/wsim/medium-composited-game.wsim | 9 + include/drm-uapi/amdgpu_drm.h | 52 +- include/drm-uapi/drm.h | 16 + include/drm-uapi/drm_fourcc.h | 224 ++++ include/drm-uapi/drm_mode.h | 26 +- include/drm-uapi/etnaviv_drm.h | 6 + include/drm-uapi/exynos_drm.h | 240 +++++ include/drm-uapi/i915_drm.h | 239 ++++- include/drm-uapi/msm_drm.h | 2 + include/drm-uapi/sync_file.h | 98 -- include/drm-uapi/tegra_drm.h | 492 ++++++++- include/drm-uapi/v3d_drm.h | 194 ++++ include/drm-uapi/vc4_drm.h | 13 +- include/drm-uapi/virtgpu_drm.h | 1 + include/drm-uapi/vmwgfx_drm.h | 166 ++- scripts/media-bench.pl | 9 +- scripts/trace.pl | 244 ++++- 22 files changed, 2705 insertions(+), 531 deletions(-) create mode 100644 benchmarks/wsim/frame-split-60fps.wsim create mode 100644 benchmarks/wsim/high-composited-game.wsim create mode 100644 benchmarks/wsim/media-1080p-player.wsim create mode 100644 benchmarks/wsim/medium-composited-game.wsim delete mode 100644 include/drm-uapi/sync_file.h create mode 100644 include/drm-uapi/v3d_drm.h -- 2.17.1 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
