<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [IGT][All] Performance degradation due to fence contention with igt/gem_fence_upload" href="https://bugs.freedesktop.org/show_bug.cgi?id=80079#c83">Comment # 83</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [IGT][All] Performance degradation due to fence contention with igt/gem_fence_upload" href="https://bugs.freedesktop.org/show_bug.cgi?id=80079">bug 80079</a> from <a class="email" href="mailto:hector.franciscox.velazquez.suriano@intel.com" title="Hector Velazquez <hector.franciscox.velazquez.suriano@intel.com>"> Hector Velazquez</a> <pre>This test has failed on CFL QA Tests List: igt@gem_fence_upload@wc-contention using IGT-Version: 1.20-g84a3080 (x86_64) (Linux: 4.15.0-rc8-drm-tip-ww3-commit-37eb04c+ x86_64) some tests has this output... ====================================== output sample ====================================== . . . **** DEBUG **** (gem_fence_upload:2420) drmtest-DEBUG: Test requirement passed: !(fd<0) (gem_fence_upload:2420) igt-debugfs-DEBUG: Opening debugfs directory '/sys/kernel/debug/dri/0' (gem_fence_upload:2420) DEBUG: Test requirement passed: gem_mmap__has_wc(fd) (gem_fence_upload:2420) DEBUG: Test requirement passed: num_fences > 0 (gem_fence_upload:2420) INFO: Contended upload rate for 1 linear threads/wc: 373.247MiB/s (gem_fence_upload:2420) INFO: Contended upload rate for 1 tiled threads/wc: 891.663MiB/s (gem_fence_upload:2420) INFO: Contended upload rate for 2 linear threads/wc: 669.442MiB/s (gem_fence_upload:2420) INFO: Contended upload rate for 2 tiled threads/wc: 705.498MiB/s (gem_fence_upload:2420) INFO: Contended upload rate for 4 linear threads/wc: 542.502MiB/s (gem_fence_upload:2420) INFO: Contended upload rate for 4 tiled threads/wc: 540.541MiB/s (gem_fence_upload:2420) INFO: Contended upload rate for 8 linear threads/wc: 532.048MiB/s (gem_fence_upload:2420) INFO: Contended upload rate for 8 tiled threads/wc: 521.287MiB/s (gem_fence_upload:2420) INFO: Contended upload rate for 16 linear threads/wc: 491.285MiB/s (gem_fence_upload:2420) INFO: Contended upload rate for 16 tiled threads/wc: 500.045MiB/s (gem_fence_upload:2420) INFO: Contended upload rate for 32 linear threads/wc: 491.391MiB/s (gem_fence_upload:2420) INFO: Contended upload rate for 32 tiled threads/wc: 498.764MiB/s (gem_fence_upload:2420) INFO: Contended upload rate for 64 linear threads/wc: 476.714MiB/s (gem_fence_upload:2420) INFO: Contended upload rate for 64 tiled threads/wc: 490.182MiB/s (gem_fence_upload:2420) CRITICAL: Test assertion failure function wc_contention, file gem_fence_upload.c:385: (gem_fence_upload:2420) CRITICAL: Failed assertion: linear[1] > 0.75 * linear[0] (gem_fence_upload:2420) igt-core-INFO: Stack trace: (gem_fence_upload:2420) igt-core-INFO: #0 [__igt_fail_assert+0x101] (gem_fence_upload:2420) igt-core-INFO: #1 [__real_main389+0xd70] (gem_fence_upload:2420) igt-core-INFO: #2 [main+0x27] (gem_fence_upload:2420) igt-core-INFO: #3 [__libc_start_main+0xf1] (gem_fence_upload:2420) igt-core-INFO: #4 [_start+0x2a] (gem_fence_upload:2420) igt-core-INFO: #5 [<unknown>+0x2a] **** END **** . . .</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are the assignee for the bug.</li> <li>You are on the CC list for the bug.</li> </ul> </body> </html>