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2025-09-18 - 19:52
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rackcslot6.osadl.org (updated Thu Sep 18, 2025 12:46:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
818476993800,1cyclictest0-21swapper/008:31:020
81847699377376,1cyclictest0-21swapper/009:21:020
81847699375374,1cyclictest887808-21kworker/0:209:29:020
81847699374373,1cyclictest0-21swapper/010:30:030
81847699372371,1cyclictest0-21swapper/009:37:020
81847699371370,1cyclictest1057969-21kworker/0:107:44:030
81847699371369,1cyclictest0-21swapper/011:05:020
81847699369368,1cyclictest0-21swapper/009:34:020
81847699369368,1cyclictest0-21swapper/008:05:020
81847699368367,1cyclictest1057969-21kworker/0:108:46:010
81847699368367,1cyclictest0-21swapper/008:53:020
81847699368366,1cyclictest1057969-21kworker/0:107:46:030
81847699368366,1cyclictest1057969-21kworker/0:107:46:020
81851399367365,1cyclictest841164-21kworker/5:208:26:015
81847699367366,1cyclictest887808-21kworker/0:211:24:030
81847699367366,1cyclictest887808-21kworker/0:209:43:030
81847699367366,1cyclictest887808-21kworker/0:209:15:020
81847699367366,1cyclictest887808-21kworker/0:209:15:020
81847699367366,1cyclictest0-21swapper/008:42:020
81847699366365,1cyclictest887808-21kworker/0:212:01:030
81847699366365,1cyclictest1057969-21kworker/0:107:15:020
81847699366364,1cyclictest887808-21kworker/0:212:36:020
81847699365364,1cyclictest0-21swapper/010:07:020
81847699365364,1cyclictest0-21swapper/008:23:020
81847699365364,1cyclictest0-21swapper/007:55:030
81847699365363,1cyclictest887808-21kworker/0:209:50:030
81847699364363,1cyclictest887808-21kworker/0:210:40:020
81847699364363,1cyclictest0-21swapper/012:30:020
81847699364363,1cyclictest0-21swapper/010:04:030
81847699364362,1cyclictest887808-21kworker/0:211:56:030
81847699364362,1cyclictest0-21swapper/009:46:030
81847699363362,1cyclictest887808-21kworker/0:212:10:030
81847699363362,1cyclictest887808-21kworker/0:212:10:030
81847699363362,1cyclictest887808-21kworker/0:211:02:020
81847699363362,1cyclictest0-21swapper/012:25:030
81847699363362,1cyclictest0-21swapper/011:50:020
81847699363362,1cyclictest0-21swapper/010:39:020
81847699363362,1cyclictest0-21swapper/009:05:020
81847699363362,1cyclictest0-21swapper/007:29:020
81847699362361,1cyclictest887808-21kworker/0:211:15:030
81847699362361,1cyclictest887808-21kworker/0:210:56:020
81847699362361,1cyclictest0-21swapper/012:19:030
81847699362361,1cyclictest0-21swapper/011:30:030
81847699362361,1cyclictest0-21swapper/009:56:030
81847699362361,1cyclictest0-21swapper/007:30:020
81847699362360,1cyclictest887808-21kworker/0:210:17:020
81847699361360,1cyclictest887808-21kworker/0:211:26:020
81847699361360,1cyclictest887808-21kworker/0:211:11:020
81847699361360,1cyclictest0-21swapper/010:27:020
81847699361360,1cyclictest0-21swapper/010:12:020
81847699361360,1cyclictest0-21swapper/007:12:020
81847699361359,1cyclictest887808-21kworker/0:211:47:020
81847699361359,1cyclictest0-21swapper/008:14:020
81847699360359,1cyclictest0-21swapper/009:02:020
81847699360359,1cyclictest0-21swapper/008:25:020
81851399359357,1cyclictest841164-21kworker/5:208:44:025
81847699359358,1cyclictest1057969-21kworker/0:107:52:020
81851399358355,1cyclictest956285-21kworker/5:011:17:035
81851399355354,1cyclictest841164-21kworker/5:208:20:025
81851399354353,1cyclictest0-21swapper/508:00:015
81851399354352,1cyclictest931380-21kworker/5:110:33:025
81851399352350,1cyclictest956285-21kworker/5:012:32:025
81851399351350,1cyclictest841164-21kworker/5:209:26:025
81851399350349,1cyclictest956285-21kworker/5:012:21:035
81851399350349,1cyclictest1138472-21kworker/5:107:40:025
81851399349348,1cyclictest1018506-21kworker/5:112:37:025
81851399349348,1cyclictest0-21swapper/511:29:035
81851399349347,1cyclictest956285-21kworker/5:011:00:025
81851399348347,1cyclictest0-21swapper/507:34:025
81851399348346,1cyclictest841164-21kworker/5:209:01:025
81851399347346,1cyclictest0-21swapper/509:39:035
81851399347346,1cyclictest0-21swapper/508:17:035
81851399346345,1cyclictest0-21swapper/511:43:025
81851399346344,1cyclictest841164-21kworker/5:208:39:025
81851399345344,1cyclictest931380-21kworker/5:110:35:035
81851399345344,1cyclictest841164-21kworker/5:209:10:015
81851399345344,1cyclictest1138472-21kworker/5:107:13:025
81850599345343,1cyclictest0-21swapper/410:19:034
81851399344343,1cyclictest841164-21kworker/5:208:57:025
81851399344343,1cyclictest841164-21kworker/5:208:51:025
81851399344343,1cyclictest841164-21kworker/5:208:10:035
81851399344343,1cyclictest0-21swapper/508:48:025
81851399344342,2cyclictest841164-21kworker/5:207:58:025
81851399344342,1cyclictest956285-21kworker/5:012:07:025
81851399344342,1cyclictest956285-21kworker/5:011:57:035
81851399343342,1cyclictest841164-21kworker/5:210:03:025
81851399343342,1cyclictest841164-21kworker/5:209:33:025
81851399343342,1cyclictest841164-21kworker/5:207:50:025
81851399343342,1cyclictest0-21swapper/511:13:035
81851399343342,1cyclictest0-21swapper/509:54:035
81851399343341,1cyclictest1138472-21kworker/5:107:38:025
81851399342341,1cyclictest956285-21kworker/5:012:18:025
81851399342341,1cyclictest931380-21kworker/5:110:18:035
81851399342341,1cyclictest841164-21kworker/5:209:44:025
81851399342341,1cyclictest841164-21kworker/5:208:09:025
81851399342341,1cyclictest0-21swapper/509:58:015
81851399342341,1cyclictest0-21swapper/509:17:035
81851399342341,1cyclictest0-21swapper/509:17:025
81851399341340,1cyclictest0-21swapper/512:12:025
81851399341340,1cyclictest0-21swapper/512:12:015
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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