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2026-03-11 - 06:50
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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 rack3slot0.osadl.org (updated Wed Mar 11, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
324222860,2sleep1326199cyclictest23:55:291
3562740,0sleep00-21swapper/022:53:050
3562740,0sleep00-21swapper/022:53:050
233842690,0sleep1241ktimersoftd/122:32:241
43992580,0sleep20-21swapper/223:59:232
310462560,0sleep40-21swapper/422:27:224
158242560,0sleep70-21swapper/700:36:527
110822550,0sleep30-21swapper/300:29:113
305325425,18sleep50-21swapper/519:06:085
275842500,0sleep50-21swapper/522:49:105
275842500,0sleep50-21swapper/522:49:105
259392490,0sleep10-21swapper/122:54:341
259392490,0sleep10-21swapper/122:54:341
179582490,0sleep70-21swapper/700:14:507
150532490,1sleep115055-21bash23:08:361
94332460,0sleep40-21swapper/423:30:174
67642460,0sleep70-21swapper/700:25:157
282912460,1sleep01-21systemd00:09:540
213062460,1sleep021302-21sshd00:33:250
215752450,2sleep0325699cyclictest00:29:480
214782450,0sleep00-21swapper/021:26:390
112472450,1sleep211249-21grepconf.sh22:00:452
75012440,0sleep70-21swapper/700:30:517
57372440,0sleep00-21swapper/022:46:080
127392440,0sleep30-21swapper/322:13:363
12072440,1sleep08951-21kworker/0:300:21:150
302552430,4sleep687950irq/25-em1-rx-000:06:246
266362430,0sleep50-21swapper/522:23:315
263402430,0sleep10-21swapper/123:51:291
66582420,0sleep30-21swapper/322:04:073
286862420,0sleep20-21swapper/223:36:562
269542420,0sleep30-21swapper/300:07:573
262872420,2sleep126263-21sshd21:30:331
22142420,0sleep20-21swapper/223:27:592
219982420,0sleep2321ktimersoftd/221:28:252
67462410,2sleep7328399cyclictest21:44:007
318062410,0sleep50-21swapper/521:36:215
301622410,0sleep60-21swapper/621:25:176
298824129,9sleep70-21swapper/719:05:147
24912410,0sleep10-21swapper/122:18:301
211202410,1sleep221118-21bash21:48:282
172592410,0sleep60-21swapper/622:37:336
49612400,0sleep10-21swapper/123:39:111
45832400,0sleep40-21swapper/400:04:534
3273724025,10sleep00-21swapper/019:02:020
288024029,8sleep20-21swapper/219:03:412
287224029,8sleep30-21swapper/319:03:343
287024028,9sleep10-21swapper/119:03:321
281523928,8sleep40-21swapper/419:02:474
277472390,0sleep70-21swapper/721:36:077
252812390,0sleep40-21swapper/421:15:544
134922390,0sleep30-21swapper/323:04:543
123042390,1sleep012297-21sshd23:48:480
316692380,0sleep70-21swapper/723:22:207
293323826,8sleep60-21swapper/619:04:256
164902380,0sleep50-21swapper/522:02:485
51632370,2sleep7328399cyclictest21:16:377
53012350,2sleep5327899cyclictest22:40:375
169352340,0sleep30-21swapper/323:23:203
244922200,0sleep10-21swapper/100:22:281
312842190,0sleep20-21swapper/222:09:102
312842190,0sleep20-21swapper/222:09:102
3270991814,3cyclictest41-21ksoftirqd/321:09:363
3268991817,1cyclictest33-21ksoftirqd/221:52:142
325699180,2cyclictest131rcu_sched21:31:020
98212170,0sleep70-21swapper/721:20:307
98212170,0sleep70-21swapper/721:20:307
69342170,1sleep36932-21id21:55:023
3270991715,1cyclictest41-21ksoftirqd/323:32:273
327099170,16cyclictest13054-21kworker/3:422:47:213
327099170,16cyclictest13054-21kworker/3:422:47:213
3268991716,1cyclictest33-21ksoftirqd/200:24:132
3268991715,2cyclictest33-21ksoftirqd/222:51:262
3268991715,2cyclictest33-21ksoftirqd/222:51:262
3268991715,1cyclictest33-21ksoftirqd/223:47:322
3268991715,1cyclictest33-21ksoftirqd/223:04:532
3268991715,1cyclictest33-21ksoftirqd/222:42:522
3268991715,1cyclictest33-21ksoftirqd/222:27:032
3268991715,1cyclictest33-21ksoftirqd/200:32:522
3268991715,1cyclictest33-21ksoftirqd/200:21:252
3268991715,1cyclictest33-21ksoftirqd/200:03:152
3268991714,2cyclictest33-21ksoftirqd/223:09:052
326899171,2cyclictest492-21systemd-journal21:37:012
3256991715,1cyclictest9-21ksoftirqd/022:06:170
3256991715,1cyclictest10192-21kworker/u16:023:00:370
3256991714,2cyclictest492-21systemd-journal21:13:570
3256991712,1cyclictest26524-21kworker/u16:121:38:510
291012170,0sleep50-21swapper/522:32:445
278302170,1sleep7784-21runrttasks23:16:437
3271991615,1cyclictest49-21ksoftirqd/422:57:124
3271991613,3cyclictest49-21ksoftirqd/422:22:154
327199160,15cyclictest31856-21kworker/4:322:12:134
3270991615,1cyclictest41-21ksoftirqd/323:27:173
3270991615,1cyclictest41-21ksoftirqd/322:33:303
3270991614,1cyclictest41-21ksoftirqd/322:40:303
3270991614,1cyclictest41-21ksoftirqd/321:23:243
3270991614,1cyclictest41-21ksoftirqd/321:20:133
3270991614,1cyclictest41-21ksoftirqd/321:20:133
3270991613,2cyclictest41-21ksoftirqd/323:42:253
3270991613,2cyclictest41-21ksoftirqd/323:42:253
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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