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Diffstat (limited to 'src/gallium/docs/source/drivers/openswr/profiling.rst')
| -rw-r--r-- | src/gallium/docs/source/drivers/openswr/profiling.rst | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/gallium/docs/source/drivers/openswr/profiling.rst b/src/gallium/docs/source/drivers/openswr/profiling.rst new file mode 100644 index 00000000000..357754c3506 --- /dev/null +++ b/src/gallium/docs/source/drivers/openswr/profiling.rst @@ -0,0 +1,67 @@ +Profiling +========= + +OpenSWR contains built-in profiling which can be enabled +at build time to provide insight into performance tuning. + +To enable this, uncomment the following line in ``rasterizer/core/knobs.h`` and rebuild: :: + + //#define KNOB_ENABLE_RDTSC + +Running an application will result in a ``rdtsc.txt`` file being +created in current working directory. This file contains profile +information captured between the ``KNOB_BUCKETS_START_FRAME`` and +``KNOB_BUCKETS_END_FRAME`` (see knobs section). + +The resulting file will contain sections for each thread with a +hierarchical breakdown of the time spent in the various operations. +For example: :: + + Thread 0 (API) + %Tot %Par Cycles CPE NumEvent CPE2 NumEvent2 Bucket + 0.00 0.00 28370 2837 10 0 0 APIClearRenderTarget + 0.00 41.23 11698 1169 10 0 0 |-> APIDrawWakeAllThreads + 0.00 18.34 5202 520 10 0 0 |-> APIGetDrawContext + 98.72 98.72 12413773688 29957 414380 0 0 APIDraw + 0.36 0.36 44689364 107 414380 0 0 |-> APIDrawWakeAllThreads + 96.36 97.62 12117951562 9747 1243140 0 0 |-> APIGetDrawContext + 0.00 0.00 19904 995 20 0 0 APIStoreTiles + 0.00 7.88 1568 78 20 0 0 |-> APIDrawWakeAllThreads + 0.00 25.28 5032 251 20 0 0 |-> APIGetDrawContext + 1.28 1.28 161344902 64 2486370 0 0 APIGetDrawContext + 0.00 0.00 50368 2518 20 0 0 APISync + 0.00 2.70 1360 68 20 0 0 |-> APIDrawWakeAllThreads + 0.00 65.27 32876 1643 20 0 0 |-> APIGetDrawContext + + + Thread 1 (WORKER) + %Tot %Par Cycles CPE NumEvent CPE2 NumEvent2 Bucket + 83.92 83.92 13198987522 96411 136902 0 0 FEProcessDraw + 24.91 29.69 3918184840 167 23410158 0 0 |-> FEFetchShader + 11.17 13.31 1756972646 75 23410158 0 0 |-> FEVertexShader + 8.89 10.59 1397902996 59 23410161 0 0 |-> FEPAAssemble + 19.06 22.71 2997794710 384 7803387 0 0 |-> FEClipTriangles + 11.67 61.21 1834958176 235 7803387 0 0 |-> FEBinTriangles + 0.00 0.00 0 0 187258 0 0 |-> FECullZeroAreaAndBackface + 0.00 0.00 0 0 60051033 0 0 |-> FECullBetweenCenters + 0.11 0.11 17217556 2869592 6 0 0 FEProcessStoreTiles + 15.97 15.97 2511392576 73665 34092 0 0 WorkerWorkOnFifoBE + 14.04 87.95 2208687340 9187 240408 0 0 |-> WorkerFoundWork + 0.06 0.43 9390536 13263 708 0 0 |-> BELoadTiles + 0.00 0.01 293020 182 1609 0 0 |-> BEClear + 12.63 89.94 1986508990 949 2093014 0 0 |-> BERasterizeTriangle + 2.37 18.75 372374596 177 2093014 0 0 |-> BETriangleSetup + 0.42 3.35 66539016 31 2093014 0 0 |-> BEStepSetup + 0.00 0.00 0 0 21766 0 0 |-> BETrivialReject + 1.05 8.33 165410662 79 2071248 0 0 |-> BERasterizePartial + 6.06 48.02 953847796 1260 756783 0 0 |-> BEPixelBackend + 0.20 3.30 31521202 41 756783 0 0 |-> BESetup + 0.16 2.69 25624304 33 756783 0 0 |-> BEBarycentric + 0.18 2.92 27884986 36 756783 0 0 |-> BEEarlyDepthTest + 0.19 3.20 30564174 41 744058 0 0 |-> BEPixelShader + 0.26 4.30 41058646 55 744058 0 0 |-> BEOutputMerger + 1.27 20.94 199750822 32 6054264 0 0 |-> BEEndTile + 0.33 2.34 51758160 23687 2185 0 0 |-> BEStoreTiles + 0.20 60.22 31169500 28807 1082 0 0 |-> B8G8R8A8_UNORM + 0.00 0.00 302752 302752 1 0 0 WorkerWaitForThreadEvent + |