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2026-06-21 - 21:44
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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 rack1slot1.osadl.org (updated Sun Jun 21, 2026 12:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8932207157,25sleep00-21swapper/007:08:090
10132201163,25sleep30-21swapper/307:09:413
313592199154,22sleep20-21swapper/207:05:082
7422198160,25sleep10-21swapper/107:06:121
298462990,0sleep10-21swapper/109:15:001
70662600,0sleep20-21swapper/211:39:212
172202150,0sleep20-21swapper/212:35:482
1169991413,1cyclictest35-21ksoftirqd/310:35:013
128772130,0sleep00-21swapper/009:35:100
113999130,12cyclictest0-21swapper/012:05:210
116099122,5cyclictest28-21ksoftirqd/207:30:122
1160991210,1cyclictest28-21ksoftirqd/210:25:102
1160991210,1cyclictest271rcuc/210:15:212
113999123,4cyclictest21221-21apt-get11:15:010
113999121,5cyclictest26197-21latency_hist09:10:000
116099119,1cyclictest28-21ksoftirqd/211:25:162
116099119,1cyclictest28-21ksoftirqd/210:10:182
1160991110,1cyclictest28-21ksoftirqd/212:23:292
1160991110,1cyclictest28-21ksoftirqd/212:19:062
1160991110,1cyclictest28-21ksoftirqd/212:02:322
1160991110,1cyclictest28-21ksoftirqd/211:00:132
1160991110,1cyclictest28-21ksoftirqd/209:35:152
1160991110,1cyclictest28-21ksoftirqd/209:30:142
1160991110,1cyclictest28-21ksoftirqd/209:15:162
1160991110,1cyclictest28-21ksoftirqd/208:05:202
1139991110,1cyclictest9-21ksoftirqd/012:15:010
116999100,10cyclictest0-21swapper/307:54:023
116099109,1cyclictest28-21ksoftirqd/212:05:322
116099109,1cyclictest28-21ksoftirqd/211:45:182
116099109,1cyclictest28-21ksoftirqd/211:10:362
116099109,1cyclictest28-21ksoftirqd/210:44:532
116099109,1cyclictest28-21ksoftirqd/209:50:422
116099109,1cyclictest28-21ksoftirqd/209:26:462
116099109,1cyclictest28-21ksoftirqd/209:10:142
1160991010,0cyclictest28-21ksoftirqd/210:52:592
1160991010,0cyclictest28-21ksoftirqd/210:00:162
116099100,2cyclictest240-21systemd-journal12:26:302
113999108,1cyclictest9-21ksoftirqd/010:05:000
113999100,5cyclictest31091-21perf10:00:010
11609999,0cyclictest28-21ksoftirqd/209:55:192
11609998,1cyclictest28-21ksoftirqd/211:40:492
11609998,1cyclictest28-21ksoftirqd/211:15:002
11609998,1cyclictest28-21ksoftirqd/211:05:192
11609998,1cyclictest28-21ksoftirqd/210:55:192
11609998,1cyclictest28-21ksoftirqd/210:49:522
11609998,1cyclictest28-21ksoftirqd/210:20:152
11609998,1cyclictest28-21ksoftirqd/209:45:122
11609998,1cyclictest28-21ksoftirqd/209:24:592
11609997,1cyclictest28-21ksoftirqd/212:30:122
11609997,1cyclictest28-21ksoftirqd/210:30:132
11609993,5cyclictest3487-21munin-node08:30:512
11609992,6cyclictest0-21swapper/212:10:162
11609990,9cyclictest0-21swapper/211:32:032
11609990,0cyclictest0-21swapper/211:51:392
11399999,0cyclictest9-21ksoftirqd/009:22:340
11399998,0cyclictest9-21ksoftirqd/008:00:140
11399991,4cyclictest27418-21ls09:55:000
11399991,4cyclictest19147-21cat08:55:000
11399990,5cyclictest26199-21diskmemload10:05:110
11399990,5cyclictest0-21swapper/011:55:120
11609987,1cyclictest28-21ksoftirqd/208:50:122
11609986,2cyclictest28-21ksoftirqd/210:35:182
11609986,1cyclictest61650irq/122-eno109:40:142
11609986,1cyclictest28-21ksoftirqd/211:20:022
11609986,1cyclictest28-21ksoftirqd/208:39:592
11609986,1cyclictest28-21ksoftirqd/207:45:162
11609986,1cyclictest28-21ksoftirqd/207:10:112
11609983,4cyclictest25630-21apt-get08:00:112
11609980,1cyclictest5857-21fschecks_time08:25:142
11509980,6cyclictest0-21swapper/111:15:131
11399987,1cyclictest9-21ksoftirqd/012:00:180
11399986,1cyclictest9893-21ssh10:58:570
11399986,1cyclictest9-21ksoftirqd/007:29:590
11399986,1cyclictest29400-21expr11:25:130
11399985,2cyclictest26199-21diskmemload10:16:200
11399984,3cyclictest733-21sshd10:12:220
11399983,4cyclictest1125-21cyclictest10:43:400
11399983,2cyclictest240-21systemd-journal11:07:580
11399981,1cyclictest13284-21ssh11:03:060
11399980,8cyclictest0-21swapper/008:22:360
11399980,6cyclictest0-21swapper/010:30:170
11399980,4cyclictest28821-21perf11:25:000
11399980,3cyclictest3002-21perf10:50:000
23829270,1sleep10-21swapper/109:05:001
11699977,0cyclictest0-21swapper/311:13:493
11699975,1cyclictest35-21ksoftirqd/308:55:003
11699975,1cyclictest35-21ksoftirqd/307:34:593
11699975,1cyclictest26927-21ssh10:37:123
11699975,1cyclictest26193-21ssh09:51:293
11699975,1cyclictest14209-21ssh11:05:103
11699971,2cyclictest0-21swapper/307:40:173
11699970,4cyclictest0-21swapper/312:30:123
11699970,3cyclictest0-21swapper/312:26:323
11699970,3cyclictest0-21swapper/311:15:263
11699970,3cyclictest0-21swapper/309:42:093
11699970,3cyclictest0-21swapper/309:29:153
11699970,1cyclictest24775-21ssh12:02:353
11609977,0cyclictest28-21ksoftirqd/210:05:192
11609977,0cyclictest28-21ksoftirqd/207:25:102
11609976,1cyclictest28-21ksoftirqd/211:58:552
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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