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2026-06-16 - 08:23
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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 rackcslot0.osadl.org (updated Tue Jun 16, 2026 00:43:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1681721830,5sleep91568899cyclictest21:37:1715
1681721830,5sleep91568899cyclictest21:37:1715
845121690,7sleep11567799cyclictest23:04:041
1007321510,7sleep21567999cyclictest22:15:248
150022133116,12sleep20-21swapper/219:09:508
150302129116,9sleep80-21swapper/819:10:1214
149482124104,15sleep100-21swapper/1019:09:102
149162124106,14sleep50-21swapper/519:08:4911
14885211992,22sleep90-21swapper/919:08:2115
15025211795,18sleep40-21swapper/419:10:0810
14933211593,18sleep140-21swapper/1419:08:586
15128210881,22sleep150-21swapper/1519:11:407
15107210893,11sleep120-21swapper/1219:11:214
1345721070,1sleep40-21swapper/422:51:4910
2849621050,1sleep80-21swapper/823:29:0414
1281721050,0sleep70-21swapper/720:27:4313
14932210491,9sleep130-21swapper/1319:08:575
2148321030,1sleep321481-21sshd22:09:489
15033210390,7sleep110-21swapper/1119:10:153
1635121000,1sleep20-21swapper/200:03:448
1635121000,1sleep20-21swapper/200:03:448
91112980,2sleep139116-21sshd00:34:085
219002960,0sleep130-21swapper/1323:44:555
110832960,1sleep50-21swapper/521:30:3111
110832960,1sleep50-21swapper/521:30:3111
95452950,0sleep50-21swapper/522:34:5911
65282950,0sleep100-21swapper/1000:40:302
264472940,1sleep100-21swapper/1023:28:502
147162940,0sleep30-21swapper/321:59:399
106742930,1sleep1310675-21basename00:27:595
102682920,1sleep130-21swapper/1323:33:415
94832910,0sleep140-21swapper/1422:47:586
181732910,2sleep80-21swapper/800:07:3514
181732910,2sleep80-21swapper/800:07:3514
322302900,1sleep70-21swapper/722:33:5713
1493929082,4sleep30-21swapper/319:09:039
46612890,1sleep131211ktimersoftd/1300:23:585
290572890,0sleep110-21swapper/1122:36:573
168092890,0sleep110-21swapper/1121:15:233
1522028974,11sleep00-21swapper/019:12:130
1488228978,7sleep70-21swapper/719:08:1913
48492880,1sleep140-21swapper/1423:16:516
275602880,1sleep100-21swapper/1021:29:002
275602880,1sleep100-21swapper/1021:29:002
20442880,0sleep140-21swapper/1400:30:256
75442870,0sleep130-21swapper/1323:10:415
304882870,0sleep50-21swapper/523:12:5811
55992860,2sleep11059-21systemd-logind00:14:251
302072860,0sleep120-21swapper/1222:43:074
59392850,1sleep150-21swapper/1522:47:437
195282850,8sleep111569099cyclictest23:54:313
195282850,8sleep111569099cyclictest23:54:313
1491228554,26sleep10-21swapper/119:08:451
227472840,0sleep10-21swapper/122:26:211
219642840,1sleep140-21swapper/1419:18:036
1520728465,14sleep60-21swapper/619:12:0312
166882830,6sleep41568199cyclictest00:03:4610
166882830,6sleep41568199cyclictest00:03:4610
62872800,0sleep140-21swapper/1422:31:236
40202770,7sleep111569099cyclictest00:27:253
281842770,0sleep00-21swapper/021:38:120
281842770,0sleep00-21swapper/021:38:120
123702760,1sleep40-21swapper/423:14:1710
207162730,1sleep151-21systemd23:12:047
26172700,0sleep150-21swapper/1523:39:537
68342610,1sleep150-21swapper/1522:54:087
15686995247,3cyclictest517-21systemd-journal23:40:4013
15686995247,3cyclictest15058-21sshd21:21:1413
15686995247,3cyclictest15058-21sshd21:21:1413
15686995244,5cyclictest27831-21kill00:23:0313
15686995145,4cyclictest25835-21systemd23:58:1613
15686995145,4cyclictest25835-21systemd23:58:1613
15686995145,4cyclictest18067-21sshd22:58:1613
15686995145,4cyclictest0-21swapper/700:22:3913
15686995045,3cyclictest21461-21kill00:07:5413
15686995044,4cyclictest0-21swapper/700:07:3113
15686995044,4cyclictest0-21swapper/700:07:3113
15686995043,5cyclictest21184-2110-uname23:54:4313
15686995043,5cyclictest21184-2110-uname23:54:4313
313932490,2sleep331296-21sshd22:43:149
15686994944,3cyclictest0-21swapper/721:24:2913
15686994944,3cyclictest0-21swapper/721:24:2913
15686994941,4cyclictest0-21swapper/723:47:5613
15686994843,3cyclictest24133-21sshd23:25:3613
15686994841,4cyclictest30671-21sshd21:16:4413
15686994839,7cyclictest0-21swapper/723:10:0113
15686994743,3cyclictest0-21swapper/700:38:2413
15686994742,3cyclictest6082-21sshd00:33:5113
15686994740,5cyclictest983-21sshd22:56:4913
15686994641,3cyclictest5718-21sshd23:16:5713
15686994641,3cyclictest2403-21nfsd23:22:4213
15686994640,4cyclictest2825-21sshd23:03:2613
15686994640,4cyclictest11450-21systemd23:43:5413
15686994640,4cyclictest0-21swapper/700:16:3513
15686994539,4cyclictest0-21swapper/700:28:4713
15686994440,2cyclictest0-21swapper/723:28:3213
15686994440,2cyclictest0-21swapper/720:03:2813
15686994438,4cyclictest0-21swapper/723:33:5313
84912430,2sleep0517-21systemd-journal23:27:190
15686994337,4cyclictest0-21swapper/720:52:5313
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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