igt@kms_flip@* - fail - Test assertion failure function calibrate_ts, Failed assertion: 3 * stddev / mean < 0.005, Last errno: 4, Interrupted system call
Starting dynamic subtest: C-HDMI-A2
(kms_flip:965) CRITICAL: Test assertion failure function calibrate_ts, file ../../../usr/src/igt-gpu-tools/tests/kms_flip.c:1454:
(kms_flip:965) CRITICAL: Failed assertion: 3 * stddev / mean < 0.005
(kms_flip:965) CRITICAL: Last errno: 4, Interrupted system call
Dynamic subtest C-HDMI-A2 failed.
**** DEBUG ****
(kms_flip:965) igt_fb-DEBUG: igt_create_fb_with_bo_size(width=3840, height=2160, format=XR24(0x34325258), modifier=0x0, size=0)
(kms_flip:965) igt_fb-DEBUG: igt_create_fb_with_bo_size(handle=3, pitch=15360)
(kms_flip:965) ioctl_wrappers-DEBUG: Test requirement passed: igt_has_fb_modifiers(fd)
(kms_flip:965) igt_fb-DEBUG: igt_create_fb_with_bo_size(width=3840, height=2160, format=XR24(0x34325258), modifier=0x0, size=0)
(kms_flip:965) igt_fb-DEBUG: igt_create_fb_with_bo_size(handle=15, pitch=15360)
(kms_flip:965) ioctl_wrappers-DEBUG: Test requirement passed: igt_has_fb_modifiers(fd)
(kms_flip:965) intel_blt-DEBUG: Test requirement passed: cmds_infoActivity
The CI Bug Log issue associated to this bug has been updated by Vinay.
New filters associated
- ADL_S DG2 CFL RKL RPL_P SNB: igt@kms_flip@* - fail - Test assertion failure function calibrate_ts, Failed assertion: 3 * stddev / mean < 0.005, Last errno: 4, Interrupted system call
- https://intel-gfx-ci.01.org/tree/drm-tip/IGT_7791/shard-dg2-2/igt@kms_flip@modeset-vs-vblank-race-interruptible@b-hdmi-a2.html
- https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1528/bat-adls-6/igt@kms_flip@modeset-vs-vblank-race-interruptible@b-dp1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_14500/shard-snb7/igt@kms_flip@2x-plain-flip-fb-recreate-interruptible@ab-vga1-hdmi-a1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_14544/shard-snb7/igt@kms_flip@2x-plain-flip-fb-recreate-interruptible@ab-vga1-hdmi-a1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1534/fi-cfl-guc/igt@kms_flip@wf_vblank-ts-check-interruptible@c-hdmi-a1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1525/bat-rplp-1/igt@kms_flip@plain-flip-fb-recreate-interruptible@a-edp1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1529/bat-dg2-14/igt@kms_flip@wf_vblank-ts-check-interruptible@c-hdmi-a2.html
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_14452/shard-rkl-5/igt@kms_flip@flip-vs-wf_vblank-interruptible@a-hdmi-a1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1529/fi-cfl-8700k/igt@kms_flip@wf_vblank-ts-check-interruptible@a-hdmi-a1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1527/fi-rkl-11600/igt@kms_flip@wf_vblank-ts-check-interruptible@b-hdmi-a1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_10956/shard-rkl-5/igt@kms_flip@plain-flip-fb-recreate-interruptible@a-hdmi-a1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_10966/shard-snb7/igt@kms_flip@2x-plain-flip-fb-recreate-interruptible@ab-vga1-hdmi-a1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/IGT_7801/shard-rkl-5/igt@kms_flip@plain-flip-fb-recreate-interruptible@a-hdmi-a1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_14551/shard-rkl-5/igt@kms_flip@modeset-vs-vblank-race-interruptible@a-hdmi-a1.html
- ADL_S DG2 CFL RKL RPL_P SNB: igt@kms_flip@* - fail - Test assertion failure function calibrate_ts, Failed assertion: 3 * stddev / mean < 0.005, Last errno: 4, Interrupted system call
-
A CI Bug Log filter associated to this bug has been updated by vgajavex.
Description: ADL_S DG2 CFL RKL RPL_P SNB: igt@kms_flip@* - fail - Test assertion failure function calibrate_ts, Failed assertion: 3 * stddev / mean < 0.005, Last errno: 4, Interrupted system call
Equivalent query: runconfig_tag IS IN ["DRM-TIP"] AND machine_tag IS IN ["DG2", "RPL_P", "SNB", "CFL", "RKL", "ADL", "ADL-S"] AND ((testsuite_name = "IGT" AND test_name IS IN ["igt@kms_flip@2x-plain-flip-fb-recreate-interruptible@ab-vga1-hdmi-a1", "igt@kms_flip@wf_vblank-ts-check-interruptible@c-hdmi-a1", "igt@kms_flip@wf_vblank-ts-check-interruptible@c-hdmi-a2", "igt@kms_flip@plain-flip-fb-recreate-interruptible@a-hdmi-a1", "igt@kms_flip@plain-flip-ts-check-interruptible@a-hdmi-a1", "igt@kms_flip@wf_vblank-ts-check-interruptible@b-hdmi-a1", "igt@kms_flip@plain-flip-fb-recreate-interruptible@a-edp1", "igt@kms_flip@modeset-vs-vblank-race-interruptible@a-hdmi-a1", "igt@kms_flip@wf_vblank-ts-check-interruptible@a-hdmi-a1", "igt@kms_flip@flip-vs-wf_vblank-interruptible@a-hdmi-a1", "igt@kms_flip@modeset-vs-vblank-race-interruptible@b-dp1", "igt@kms_flip@modeset-vs-vblank-race-interruptible@b-hdmi-a2"])) AND ((testsuite_name = "IGT" AND status_name IS IN ["fail"])) AND stderr ~= ' Test assertion failure function calibrate_ts.*\n.*Failed assertion: 3 \* stddev / mean < 0.005\n.*Last errno: 4, Interrupted system call'
New failures caught by the filter:
-
A CI Bug Log filter associated to this bug has been updated by adelaryb.
Description: ADL_S DG2 CFL RKL RPL_P SNB: igt@kms_flip@* - fail - Test assertion failure function calibrate_ts, Failed assertion: 3 * stddev / mean < 0.005, Last errno: 4, Interrupted system call
Equivalent query: runconfig_tag IS IN ["DRM-TIP"] AND machine_tag IS IN ["DG2", "RPL_P", "SNB", "CFL", "RKL", "ADL", "ADL-S"] AND ((testsuite_name = "IGT" AND test_name IS IN ["igt@kms_flip@2x-plain-flip-fb-recreate-interruptible@ab-vga1-hdmi-a1", "igt@kms_flip@wf_vblank-ts-check-interruptible@c-hdmi-a1", "igt@kms_flip@wf_vblank-ts-check-interruptible@c-hdmi-a2", "igt@kms_flip@plain-flip-fb-recreate-interruptible@a-hdmi-a1", "igt@kms_flip@plain-flip-ts-check-interruptible@a-hdmi-a1", "igt@kms_flip@wf_vblank-ts-check-interruptible@b-hdmi-a1", "igt@kms_flip@plain-flip-fb-recreate-interruptible@a-edp1", "igt@kms_flip@modeset-vs-vblank-race-interruptible@a-hdmi-a1", "igt@kms_flip@wf_vblank-ts-check-interruptible@a-hdmi-a1", "igt@kms_flip@flip-vs-wf_vblank-interruptible@a-hdmi-a1", "igt@kms_flip@modeset-vs-vblank-race-interruptible@b-dp1", "igt@kms_flip@modeset-vs-vblank-race-interruptible@b-hdmi-a2"])) AND ((testsuite_name = "IGT" AND status_name IS IN ["fail"])) AND stderr ~= ' Test assertion failure function calibrate_ts.*\n.*Failed assertion: 3 \* stddev / mean < 0.005\n.*Last errno: 4, Interrupted system call'
New failures caught by the filter:
- https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1540/fi-cfl-8700k/igt@kms_flip@flip-vs-absolute-wf_vblank-interruptible@c-hdmi-a1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1540/fi-cfl-guc/igt@kms_flip@flip-vs-absolute-wf_vblank-interruptible@a-hdmi-a1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_14642/shard-snb7/igt@kms_flip@flip-vs-wf_vblank-interruptible@b-vga1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_14644/shard-snb7/igt@kms_flip@2x-flip-vs-absolute-wf_vblank-interruptible@ab-vga1-hdmi-a1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_14656/shard-snb7/igt@kms_flip@dpms-vs-vblank-race-interruptible@a-vga1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1547/fi-cfl-8700k/igt@kms_flip@flip-vs-absolute-wf_vblank-interruptible@a-hdmi-a1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1548/bat-adls-6/igt@kms_flip@2x-flip-vs-absolute-wf_vblank-interruptible@bd-hdmi-a1-dp1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1548/bat-dg2-14/igt@kms_flip@flip-vs-wf_vblank-interruptible@a-hdmi-a2.html
- https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1548/bat-rplp-1/igt@kms_flip@flip-vs-wf_vblank-interruptible@a-edp1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1550/bat-adls-6/igt@kms_flip@2x-flip-vs-wf_vblank-interruptible@ab-hdmi-a1-dp1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1554/bat-dg2-14/igt@kms_flip@wf_vblank-ts-check-interruptible@b-hdmi-a2.html
-
A CI Bug Log filter associated to this bug has been updated by tillipix.
Description: ADL_S DG2 CFL RKL RPL_P SNB: igt@kms_flip@* - fail - Test assertion failure function calibrate_ts, Failed assertion: 3 * stddev / mean < 0.005, Last errno: 4, Interrupted system call
Equivalent query: runconfig_tag IS IN ["DRM-TIP"] AND (machine_name IS IN ["shard-snb7"] OR machine_tag IS IN ["DG2", "RPL_P", "SNB", "CFL", "RKL", "ADL", "ADL-S"]) AND ((testsuite_name = "IGT" AND status_name IS IN ["fail"])) AND stderr ~= ' Test assertion failure function calibrate_ts.*\n.*Failed assertion: 3 \* stddev / mean < 0.005\n.*(Last errno: 4, Interrupted system call)?'
New failures caught by the filter:
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_14441/shard-snb7/igt@kms_flip@2x-wf_vblank-ts-check@ab-vga1-hdmi-a1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1532/fi-cfl-guc/igt@kms_flip@flip-vs-blocking-wf-vblank@a-hdmi-a1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_14540/shard-snb7/igt@kms_flip@2x-dpms-vs-vblank-race@ab-vga1-hdmi-a1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_14580/shard-dg2-2/igt@kms_flip@blocking-wf_vblank@a-hdmi-a2.html
- https://intel-gfx-ci.01.org/tree/drm-tip/IGT_7808/shard-rkl-5/igt@kms_flip@basic-flip-vs-wf_vblank@a-hdmi-a1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1538/bat-adls-6/igt@kms_flip@modeset-vs-vblank-race@c-hdmi-a1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1546/bat-dg2-14/igt@kms_flip@basic-flip-vs-wf_vblank@d-hdmi-a2.html
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_14701/shard-snb7/igt@kms_flip@2x-plain-flip-fb-recreate@ab-vga1-hdmi-a1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1554/bat-rplp-1/igt@kms_flip@basic-flip-vs-wf_vblank@b-edp1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/IGT_7862/shard-dg2-6/igt@kms_flip@modeset-vs-vblank-race@a-hdmi-a3.html
- https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1565/fi-rkl-11600/igt@kms_flip@dpms-vs-vblank-race@c-hdmi-a1.html
-
The CI Bug Log issue associated to this bug has been updated by Vinay.
New filters associated
- ADL_N MTL_P DG1: igt@kms_flip@* - fail - Test assertion failure function calibrate_ts, Failed assertion: 3 * stddev / mean < 0.005, Last errno: 4, Interrupted system call
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_14595/shard-dg1-16/igt@kms_flip@modeset-vs-vblank-race-interruptible@c-hdmi-a4.html
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_14617/re-mtlp-8/igt@kms_flip@flip-vs-wf_vblank-interruptible.html
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_14617/re-mtlp-8/igt@kms_flip@flip-vs-wf_vblank-interruptible@a-dp1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1554/bat-adln-1/igt@kms_flip@wf_vblank-ts-check-interruptible@a-edp1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_14724/re-mtlp-8/igt@kms_flip@flip-vs-wf_vblank-interruptible.html
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_14724/re-mtlp-8/igt@kms_flip@flip-vs-wf_vblank-interruptible@a-dp1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_14743/re-mtlp-8/igt@kms_flip@flip-vs-wf_vblank-interruptible@c-dp1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_14750/re-mtlp-8/igt@kms_flip@flip-vs-wf_vblank-interruptible.html
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_14750/re-mtlp-8/igt@kms_flip@flip-vs-wf_vblank-interruptible@b-dp1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/IGT_7867/shard-dg1-18/igt@kms_flip@dpms-vs-vblank-race-interruptible@c-hdmi-a4.html
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_14805/re-mtlp-8/igt@kms_flip@flip-vs-wf_vblank-interruptible.html
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_14805/re-mtlp-8/igt@kms_flip@flip-vs-wf_vblank-interruptible@a-dp1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/IGT_7880/shard-dg1-15/igt@kms_flip@dpms-vs-vblank-race-interruptible@b-hdmi-a4.html
- https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_133800v3/shard-dg1-15/igt@kms_flip@dpms-vs-vblank-race-interruptible@b-hdmi-a4.html
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_14898/shard-dg1-18/igt@kms_flip@dpms-vs-vblank-race-interruptible@b-hdmi-a4.html
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_14915/re-mtlp-1/igt@kms_flip@flip-vs-wf_vblank-interruptible.html
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_14915/re-mtlp-1/igt@kms_flip@flip-vs-wf_vblank-interruptible@b-dp1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_14916/shard-dg1-15/igt@kms_flip@dpms-vs-vblank-race-interruptible@b-hdmi-a4.html
- ADL_N MTL_P DG1: igt@kms_flip@* - fail - Test assertion failure function calibrate_ts, Failed assertion: 3 * stddev / mean < 0.005, Last errno: 4, Interrupted system call
added platform: ADL_N platform: DG1 platform: MTL_P labels
-
A CI Bug Log filter associated to this bug has been updated by Vinay.
Description: TGL GLK ADL_N MTL_P DG1: igt@kms_flip@* - fail - Test assertion failure function calibrate_ts, Failed assertion: 3 * stddev / mean < 0.005, Last errno: 4, Interrupted system call
Equivalent query: runconfig_tag IS IN ["DRM-TIP"] AND machine_tag IS IN ["ADG1L_N-HW", "MTL-P", "ADTGL_N-HW", "GLK", "DG1"] AND ((testsuite_name = "IGT" AND test_name IS IN ["igt@kms_flip@dpms-vs-vblank-race-interruptible@c-hdmi-a4", "igt@kms_flip@flip-vs-absolute-wf_vblank-interruptible@a-hdmi-a1", "igt@kms_flip@modeset-vs-vblank-race-interruptible@c-hdmi-a4", "igt@kms_flip@dpms-vs-vblank-race-interruptible@b-hdmi-a4", "igt@kms_flip@flip-vs-wf_vblank-interruptible@a-dp1", "igt@kms_flip@wf_vbplaink-tsflip-chfb-reckreate-interruptible@a-ehdpmi-a1", "igt@kms_flip@flip-vs-wf_vblank-interruptible", "igt@kms_flip@flip-vs-wf_vblank-interruptible@b-dp1", "igt@kms_flip@wf_vblank-ts-check-interruptible@a-edp1", "igt@kms_flip@flip-vs-wf_vblank-interruptible@c-dp1", "igt@kms_flip@modeset-vs-vblank-race-interruptible", "igt@kms_flip@wf_vblank-ts-check-interruptible@a-hdmi-a1", "igt@kms_flip@modeset-vs-vblank-race-interruptible@b-hdmi-a4"])) AND ((testsuite_name = "IGT" AND status_name IS IN ["fail"])) AND stderr ~= 'Test assertion failure function calibrate_ts.*\n.*Failed assertion: 3 \* stddev / mean < 0.005\n.*Last errno: 4, Interrupted system call'
New failures caught by the filter:
- https://intel-gfx-ci.01.org/tree/drm-tip/IGT_8015/shard-dg1-17/igt@kms_flip@modeset-vs-vblank-race-interruptible.html
- https://intel-gfx-ci.01.org/tree/drm-tip/IGT_8015/shard-dg1-17/igt@kms_flip@modeset-vs-vblank-race-interruptible@b-hdmi-a4.html
- https://intel-gfx-ci.01.org/tree/drm-tip/IGT_8033/shard-tglu-9/igt@kms_flip@flip-vs-wf_vblank-interruptible.html
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_15459/shard-glk5/igt@kms_flip@wf_vblank-ts-check-interruptible@a-hdmi-a1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_15460/shard-glk7/igt@kms_flip@plain-flip-fb-recreate-interruptible@a-hdmi-a1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_15462/shard-tglu-4/igt@kms_flip@flip-vs-absolute-wf_vblank-interruptible@a-hdmi-a1.html
- https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_15468/shard-glk1/igt@kms_flip@flip-vs-absolute-wf_vblank-interruptible@a-hdmi-a1.html
added platform: GLK platform: TGL labels
-
A CI Bug Log filter associated to this bug has been updated by tillipix.
Description: TGL GLK ADL_N MTL_P DG1: igt@kms_flip@* - fail - Test assertion failure function calibrate_ts, Failed assertion: 3 * stddev / mean < 0.005, Last errno: 4, Interrupted system call
Equivalent query: runconfig_tag IS IN ["DRM-TIP"] AND machine_tag IS IN ["ADL_N-HW", "MTL-P", "TGL", "GLK", "DG1"] AND ((testsuite_name = "IGT" AND test_name IS IN ["igt@kms_flip@dpms-vs-vblank-race-interruptible@c-hdmi-a4", "igt@kms_flip@flip-vs-absolute-wf_vblank-interruptible@a-hdmi-a1", "igt@kms_flip@modeset-vs-vblank-race-interruptible@c-hdmi-a4", "igt@kms_flip@dpms-vs-vblank-race-interruptible@b-hdmi-a4", "igt@kms_flip@flip-vs-wf_vblank-interruptible@a-dp1", "igt@kms_flip@plain-flip-fb-recreate-interruptible@a-hdmi-a1", "igt@kms_flip@flip-vs-wf_vblank-interruptible", "igt@kms_flip@flip-vs-wf_vblank-interruptible@b-dp1", "igt@kms_flip@wf_vblank-ts-check-interruptible@a-edp1", "igt@kms_flip@flip-vs-wf_vblank-interruptible@c-dp1", "igt@kms_flip@wf_vblank-ts-check-interruptible", "igt@kms_flip@wf_vblank-ts-check-interruptible@d-edp1", "igt@kms_flip@modeset-vs-vblank-race-interruptible", "igt@kms_flip@wf_vblank-ts-check-interruptible@a-hdmi-a1", "igt@kms_flip@modeset-vs-vblank-race-interruptible@b-hdmi-a4"])) AND ((testsuite_name = "IGT" AND status_name IS IN ["fail"])) AND stderr ~= 'Test assertion failure function calibrate_ts.*\n.*Failed assertion: 3 \* stddev / mean < 0.005\n.*Last errno: 4, Interrupted system call'
No new failures caught with the new filter
mentioned in issue #12979 (closed)
mentioned in issue #13002 (closed)
mentioned in issue #12842 (closed)
mentioned in issue #12945 (closed)
mentioned in issue #12953 (closed)
mentioned in issue #13083 (closed)
mentioned in issue #13131 (closed)
-
The CI Bug Log issue associated to this bug has been updated by dstenka.
New filters associated
- ARL_H DG1 GLK JSL TGL: igt@kms_flip - fail - CRITICAL: Test assertion failure function calibrate_ts CRITICAL: Failed assertion: 3 * stddev / mean < 0.005 CRITICAL: Last errno: 4, Interrupted system call (No new failures associated)
-
The CI Bug Log issue associated to this bug has been updated by dstenka.
New filters associated
- DG1 RPL_S: igt@kms_flip@flip-vs-absolute-wf_vblank - fail - CRITICAL: Test assertion failure function calibrate_ts CRITICAL: Failed assertion: 3 * stddev / mean < 0.005 CRITICAL: Last errno: 22, Invalid argument (No new failures associated)
-
The CI Bug Log issue associated to this bug has been updated by dstenka.
New filters associated
- ARL ARL_S: igt@kms_flip@modeset-vs-vblank-race-interruptible - fail - CRITICAL: Test assertion failure function calibrate_ts CRITICAL: Failed assertion: 3 * stddev / mean < 0.005 CRITICAL: Last errno: 4, Interrupted system call (No new failures associated)