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2025-06-16 - 20:10
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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 rackeslot2.osadl.org (updated Mon Jun 16, 2025 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
57208721090,2sleep30-21swapper/310:40:253
3151382870,2sleep10-21swapper/107:55:201
2499691300,2getstats0-21swapper/308:36:433
2499691280,2getstats0-21swapper/312:26:453
257044992716,6cyclictest0-21swapper/010:05:000
257045992522,2cyclictest0-21swapper/111:20:011
257044992517,7cyclictest559596-21/usr/sbin/munin10:35:020
257044992515,9cyclictest1695-21dbus-daemon12:05:010
25010912517,2phc2sys0-21swapper/309:20:593
25010912418,2phc2sys0-21swapper/311:35:063
25010912418,2phc2sys0-21swapper/311:16:463
25010912418,2phc2sys0-21swapper/310:55:223
25010912418,2phc2sys0-21swapper/310:34:303
25010912418,2phc2sys0-21swapper/310:03:353
25010912418,2phc2sys0-21swapper/309:43:393
25010912417,3phc2sys0-21swapper/309:52:293
25010912417,2phc2sys0-21swapper/310:11:533
25010912417,2phc2sys0-21swapper/309:10:253
74249422319,3sleep30-21swapper/312:17:213
257044992314,5cyclictest284193-21aten_repower_en07:30:170
25010912318,3phc2sys0-21swapper/312:32:003
25010912318,3phc2sys0-21swapper/312:11:363
25010912318,3phc2sys0-21swapper/312:02:063
25010912318,3phc2sys0-21swapper/311:49:523
25010912318,3phc2sys0-21swapper/311:31:443
25010912318,3phc2sys0-21swapper/311:29:003
25010912318,3phc2sys0-21swapper/311:01:343
25010912318,3phc2sys0-21swapper/310:38:143
25010912318,3phc2sys0-21swapper/310:15:453
25010912318,3phc2sys0-21swapper/310:06:073
25010912318,3phc2sys0-21swapper/309:59:013
25010912318,3phc2sys0-21swapper/309:46:353
25010912318,3phc2sys0-21swapper/309:37:093
25010912318,3phc2sys0-21swapper/309:15:453
25010912318,3phc2sys0-21swapper/308:02:393
25010912318,3phc2sys0-21swapper/307:21:163
25010912317,2phc2sys0-21swapper/310:21:153
25010912317,2phc2sys0-21swapper/309:30:133
25010912317,2phc2sys0-21swapper/308:59:433
25010912317,2phc2sys0-21swapper/308:08:443
25010912317,2phc2sys0-21swapper/307:55:583
25010912317,2phc2sys0-21swapper/307:46:083
25010912317,2phc2sys0-21swapper/307:15:123
25010912317,2phc2sys0-21swapper/307:15:113
25010912317,2phc2sys0-21swapper/307:14:433
25010912316,2phc2sys0-21swapper/312:20:233
70802522218,2sleep30-21swapper/311:58:183
61734022218,2sleep30-21swapper/311:05:273
43658122218,2sleep30-21swapper/309:25:283
257046992220,1cyclictest0-21swapper/212:10:022
257046992219,1cyclictest0-21swapper/211:30:022
257045992219,2cyclictest744186-21perf12:20:001
257045992219,2cyclictest502581-21/usr/sbin/munin10:05:011
257045992219,2cyclictest277915-21latency_hist07:25:011
257045992218,3cyclictest467323-21sh09:45:011
257045992217,4cyclictest2016-21lldpd11:27:431
257045992217,1cyclictest178850irq/121-eno111:50:021
257044992215,6cyclictest1726-21systemd-logind12:30:010
257044992215,2cyclictest479045-21kthreadcore09:50:250
25010912217,3phc2sys0-21swapper/312:35:173
25010912217,3phc2sys0-21swapper/312:09:403
25010912217,3phc2sys0-21swapper/311:40:143
25010912217,3phc2sys0-21swapper/311:22:183
25010912217,3phc2sys0-21swapper/309:09:033
25010912217,3phc2sys0-21swapper/308:45:593
25010912217,3phc2sys0-21swapper/308:23:473
25010912217,3phc2sys0-21swapper/307:41:273
25010912217,2phc2sys0-21swapper/308:15:543
924598210,4rtkit-daemon120262-21packagekitd10:42:501
62876222117,2sleep30-21swapper/311:13:493
58296622118,2sleep30-21swapper/310:45:393
33856722117,2sleep20-21swapper/208:12:092
257046992118,1cyclictest0-21swapper/211:45:002
257045992118,2cyclictest647001-21apt-get11:25:011
257045992118,2cyclictest523818-21apt-key10:15:011
257045992117,3cyclictest455234-21timerwakeupswit09:35:311
25010912117,2phc2sys0-21swapper/310:51:263
25010912117,2phc2sys0-21swapper/307:25:053
924598200,3rtkit-daemon9311-21sendmail-mta10:32:031
40513922017,2sleep20-21swapper/209:07:552
38690222017,2sleep20-21swapper/208:51:522
38086822017,2sleep20-21swapper/208:47:072
36267722017,2sleep30-21swapper/308:31:413
35686322017,2sleep20-21swapper/208:29:122
35085422017,2sleep20-21swapper/208:24:472
34459722017,2sleep20-21swapper/208:16:502
33217722017,2sleep20-21swapper/208:05:362
30194522017,2sleep20-21swapper/207:41:152
29585522017,2sleep20-21swapper/207:36:262
28354422017,2sleep20-21swapper/207:27:042
27104022017,2sleep20-21swapper/207:15:542
27104022017,2sleep20-21swapper/207:15:542
257046992018,1cyclictest0-21swapper/209:55:012
257046992017,1cyclictest0-21swapper/212:40:012
257045992017,2cyclictest682866-21grep11:45:011
257045992013,3cyclictest1992-21runrttasks10:50:181
257044992017,2cyclictest744181-21latency_hist12:20:000
25704499200,2cyclictest374671-21grep08:40:310
25010912017,2phc2sys0-21swapper/311:52:583
25010912017,2phc2sys0-21swapper/309:01:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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