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2025-11-21 - 00:37
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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 Thu Nov 20, 2025 12:45:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
272092208159,24sleep30-21swapper/307:06:393
271812200161,26sleep20-21swapper/207:06:182
271902199160,26sleep10-21swapper/107:06:251
271642196158,25sleep00-21swapper/007:06:030
54992770,0sleep10-21swapper/109:31:361
310022570,0sleep20-21swapper/210:51:422
289182510,0sleep10-21swapper/107:10:171
157642160,0sleep10-21swapper/107:50:151
27564991410,0cyclictest21-21ksoftirqd/109:15:451
101782140,0sleep10-21swapper/109:39:121
27564991313,0cyclictest21-21ksoftirqd/112:24:121
27555991311,1cyclictest9-21ksoftirqd/011:00:000
2755599130,12cyclictest20465-21diskmemload09:25:110
302142120,0sleep10-21swapper/110:50:221
27580991211,1cyclictest35-21ksoftirqd/310:00:163
2756999120,12cyclictest0-21swapper/210:40:122
27564991212,0cyclictest21-21ksoftirqd/112:02:241
27555991210,1cyclictest9-21ksoftirqd/009:25:010
2758099119,1cyclictest35-21ksoftirqd/312:36:043
27580991110,1cyclictest35-21ksoftirqd/310:05:013
2756999119,1cyclictest28-21ksoftirqd/208:34:592
27564991111,0cyclictest21-21ksoftirqd/110:22:551
2756499110,7cyclictest0-21swapper/109:42:081
27555991110,1cyclictest9-21ksoftirqd/012:20:000
27555991110,1cyclictest9-21ksoftirqd/011:40:010
27555991110,1cyclictest9-21ksoftirqd/009:55:010
2755599110,10cyclictest0-21swapper/010:05:140
2758099109,1cyclictest35-21ksoftirqd/311:20:173
2758099108,1cyclictest35-21ksoftirqd/312:20:143
2756999109,1cyclictest3212-21ssh09:30:022
2756999109,1cyclictest28-21ksoftirqd/212:28:292
2756999100,10cyclictest0-21swapper/212:38:032
2756499108,2cyclictest0-21swapper/110:05:111
2756499107,2cyclictest0-21swapper/112:25:111
2756499103,6cyclictest21-21ksoftirqd/109:46:541
2756499102,8cyclictest21-21ksoftirqd/111:22:121
2756499101,5cyclictest201rcuc/107:55:131
2756499100,6cyclictest21-21ksoftirqd/110:12:121
2756499100,10cyclictest0-21swapper/110:30:301
268802100,0sleep320465-21diskmemload12:16:313
275809999,0cyclictest35-21ksoftirqd/312:35:003
275809999,0cyclictest35-21ksoftirqd/312:05:123
275809999,0cyclictest35-21ksoftirqd/309:35:163
275809999,0cyclictest35-21ksoftirqd/309:30:143
275809998,1cyclictest35-21ksoftirqd/311:15:003
275809998,1cyclictest35-21ksoftirqd/310:15:143
275809998,1cyclictest35-21ksoftirqd/309:00:003
275809997,2cyclictest30317-21sh09:21:303
275809993,4cyclictest10659-21/usr/sbin/munin10:25:173
275809993,2cyclictest25501-21grep10:45:123
275809990,7cyclictest21247-21kworker/u8:112:14:573
275699999,0cyclictest0-21swapper/211:46:512
275699996,1cyclictest28-21ksoftirqd/207:45:002
275699990,9cyclictest0-21swapper/209:38:242
275699990,8cyclictest20465-21diskmemload09:55:112
275699990,5cyclictest254-21systemd-journal07:15:012
275699990,0cyclictest0-21swapper/209:10:182
275649999,0cyclictest21-21ksoftirqd/112:37:061
275649999,0cyclictest21-21ksoftirqd/111:56:011
275649999,0cyclictest21-21ksoftirqd/111:36:461
275649999,0cyclictest21-21ksoftirqd/111:25:011
275649999,0cyclictest21-21ksoftirqd/111:25:011
275649999,0cyclictest21-21ksoftirqd/111:05:501
275649999,0cyclictest21-21ksoftirqd/111:04:211
275649999,0cyclictest21-21ksoftirqd/110:42:171
275649999,0cyclictest21-21ksoftirqd/109:20:161
275649998,1cyclictest21-21ksoftirqd/111:10:231
275649998,1cyclictest21-21ksoftirqd/110:35:351
275649998,0cyclictest21-21ksoftirqd/112:30:061
275649998,0cyclictest21-21ksoftirqd/110:19:011
275649998,0cyclictest21-21ksoftirqd/110:04:521
275649998,0cyclictest21-21ksoftirqd/109:27:181
275649997,1cyclictest111rcu_preempt08:50:221
275649997,1cyclictest111rcu_preempt08:15:171
275649997,1cyclictest0-21swapper/107:30:201
275649996,2cyclictest13456-21chrt10:28:311
275649994,4cyclictest21-21ksoftirqd/111:40:161
275649993,4cyclictest111rcu_preempt11:34:331
275649991,8cyclictest111rcu_preempt12:13:291
275649990,8cyclictest21-21ksoftirqd/112:05:141
275649990,8cyclictest21-21ksoftirqd/109:55:181
275649990,8cyclictest0-21swapper/111:50:201
275649990,8cyclictest0-21swapper/111:46:041
275649990,8cyclictest0-21swapper/110:57:031
275649990,8cyclictest0-21swapper/108:41:431
275649990,1cyclictest21-21ksoftirqd/108:45:161
275559998,1cyclictest9-21ksoftirqd/012:29:590
275559998,1cyclictest9-21ksoftirqd/012:00:000
275559998,1cyclictest9-21ksoftirqd/009:56:200
275559997,1cyclictest9-21ksoftirqd/011:30:160
275559993,5cyclictest469-21latency_hist07:20:000
275559993,1cyclictest20465-21diskmemload09:36:160
275809988,0cyclictest35-21ksoftirqd/311:00:183
275809988,0cyclictest35-21ksoftirqd/309:15:113
275809988,0cyclictest35-21ksoftirqd/308:35:213
275809987,1cyclictest35-21ksoftirqd/311:10:003
275809987,1cyclictest35-21ksoftirqd/310:35:143
275809987,1cyclictest35-21ksoftirqd/307:25:013
275809987,1cyclictest20465-21diskmemload09:26:313
275809987,0cyclictest35-21ksoftirqd/310:50:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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