<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#c85">Comment # 85</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 was failing on GLK QA Tests List: igt@gem_fence_upload@wc-contention IGT-Version: 1.21-g94bd67c (x86_64) (Linux: 4.15.0-drm-tip-ww6-commit-078873d+ x86_64) ====================================== output sample ====================================== . . . **** DEBUG **** (gem_fence_upload:1334) drmtest-DEBUG: Test requirement passed: !(fd<0) (gem_fence_upload:1334) igt-debugfs-DEBUG: Opening debugfs directory '/sys/kernel/debug/dri/0' (gem_fence_upload:1334) DEBUG: Test requirement passed: gem_mmap__has_wc(fd) (gem_fence_upload:1334) DEBUG: Test requirement passed: num_fences > 0 (gem_fence_upload:1334) INFO: Contended upload rate for 1 linear threads/wc: 380.147MiB/s (gem_fence_upload:1334) INFO: Contended upload rate for 1 tiled threads/wc: 388.642MiB/s (gem_fence_upload:1334) INFO: Contended upload rate for 2 linear threads/wc: 221.789MiB/s (gem_fence_upload:1334) INFO: Contended upload rate for 2 tiled threads/wc: 227.964MiB/s (gem_fence_upload:1334) INFO: Contended upload rate for 4 linear threads/wc: 183.065MiB/s (gem_fence_upload:1334) INFO: Contended upload rate for 4 tiled threads/wc: 182.446MiB/s (gem_fence_upload:1334) INFO: Contended upload rate for 8 linear threads/wc: 195.390MiB/s (gem_fence_upload:1334) INFO: Contended upload rate for 8 tiled threads/wc: 199.223MiB/s (gem_fence_upload:1334) INFO: Contended upload rate for 16 linear threads/wc: 181.304MiB/s (gem_fence_upload:1334) INFO: Contended upload rate for 16 tiled threads/wc: 187.220MiB/s (gem_fence_upload:1334) INFO: Contended upload rate for 32 linear threads/wc: 166.318MiB/s (gem_fence_upload:1334) INFO: Contended upload rate for 32 tiled threads/wc: 141.349MiB/s (gem_fence_upload:1334) INFO: Contended upload rate for 64 linear threads/wc: 108.291MiB/s (gem_fence_upload:1334) INFO: Contended upload rate for 64 tiled threads/wc: 109.369MiB/s (gem_fence_upload:1334) CRITICAL: Test assertion failure function wc_contention, file gem_fence_upload.c:385: (gem_fence_upload:1334) CRITICAL: Failed assertion: linear[1] > 0.75 * linear[0] (gem_fence_upload:1334) igt-core-INFO: Stack trace: (gem_fence_upload:1334) igt-core-INFO: #0 [__igt_fail_assert+0x101] (gem_fence_upload:1334) igt-core-INFO: #1 [__real_main389+0xca7] (gem_fence_upload:1334) igt-core-INFO: #2 [main+0x23] (gem_fence_upload:1334) igt-core-INFO: #3 [__libc_start_main+0xf0] (gem_fence_upload:1334) igt-core-INFO: #4 [_start+0x29] (gem_fence_upload:1334) igt-core-INFO: #5 [<unknown>+0x29] **** END **** . . .</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> <li>You are on the CC list for the bug.</li> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>