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2026-09-08 - 07:05
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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 Tue Sep 08, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
38812830,1sleep1561199cyclictest22:37:201
95552720,0sleep10-21swapper/122:53:301
301152690,0sleep00-21swapper/023:36:060
536725947,8sleep70-21swapper/719:03:307
230752560,0sleep00-21swapper/022:36:310
538925442,8sleep20-21swapper/219:03:492
106012500,0sleep20-21swapper/222:37:452
273132470,0sleep30-21swapper/300:33:043
258712470,0sleep40-21swapper/423:57:334
255792470,0sleep341-21ksoftirqd/323:57:323
150072470,0sleep50-21swapper/521:13:395
71052460,0sleep50-21swapper/522:37:325
324392460,0sleep30-21swapper/323:30:163
305232460,1sleep230526-21sshd23:51:542
212662460,0sleep10-21swapper/122:34:321
151142460,0sleep20-21swapper/200:28:222
105782460,0sleep20-21swapper/222:12:152
314452450,1sleep031411-21sshd22:50:490
227102450,0sleep70-21swapper/722:13:007
206772450,0sleep10-21swapper/123:05:561
535524432,9sleep40-21swapper/419:03:194
257702440,0sleep20-21swapper/223:16:062
240842440,0sleep30-21swapper/323:37:453
224182440,1sleep6709-21systemd-logind22:12:596
175262440,1sleep4481ktimersoftd/421:23:394
147392440,0sleep20-21swapper/223:41:052
105312440,0sleep70-21swapper/722:45:357
239362430,0sleep70-21swapper/721:31:517
170342430,0sleep50-21swapper/500:04:545
155222430,0sleep60-21swapper/621:27:256
133962430,0sleep60-21swapper/600:14:336
537524230,8sleep60-21swapper/619:03:376
513824230,9sleep50-21swapper/519:00:235
326112420,1sleep4563699cyclictest00:29:284
260562420,0sleep00-21swapper/021:35:520
200042420,0sleep30-21swapper/321:19:543
138032420,0sleep70-21swapper/722:30:067
515124128,9sleep00-21swapper/019:00:340
174392410,0sleep40-21swapper/421:09:534
169952410,1sleep116992-21sshd23:39:191
159772410,0sleep70-21swapper/721:54:587
136352410,0sleep30-21swapper/321:41:003
8772400,0sleep20-21swapper/222:56:522
54962400,0sleep70-21swapper/723:28:447
269592400,0sleep60-21swapper/621:45:446
244622400,0sleep00-21swapper/021:16:060
201552400,0sleep50-21swapper/521:21:485
137012400,0sleep00-21swapper/021:56:430
13632400,1sleep01362-21sshd21:48:100
113742400,0sleep70-21swapper/721:54:427
7442390,2sleep2561799cyclictest23:22:312
533023927,9sleep10-21swapper/119:03:001
216832390,0sleep20-21swapper/200:09:082
192902390,0sleep10-21swapper/100:26:371
534323827,8sleep30-21swapper/319:03:103
135072380,0sleep10-21swapper/100:04:421
17022360,0sleep10-21swapper/123:14:451
5629992116,3cyclictest41-21ksoftirqd/323:16:353
235722210,0sleep20-21swapper/221:22:012
184982210,1sleep218482-21sshd21:13:522
148482210,0sleep50-21swapper/522:55:435
562999208,3cyclictest41-21ksoftirqd/323:21:523
5629992016,3cyclictest41-21ksoftirqd/321:52:293
5629992016,1cyclictest41-21ksoftirqd/300:23:013
5629992015,3cyclictest41-21ksoftirqd/323:14:313
5629992013,4cyclictest41-21ksoftirqd/321:12:433
50452200,1sleep75031-21sshd23:18:517
5629991916,2cyclictest41-21ksoftirqd/322:45:263
5629991915,3cyclictest41-21ksoftirqd/321:06:243
5629991915,1cyclictest41-21ksoftirqd/321:35:113
5629991915,1cyclictest41-21ksoftirqd/300:01:113
5611991915,1cyclictest25-21ksoftirqd/121:18:151
5611991914,3cyclictest25-21ksoftirqd/121:58:051
561199190,18cyclictest17626-21kworker/1:500:33:541
108332190,0sleep50-21swapper/500:32:025
66482180,0sleep00-21swapper/023:22:530
5629991816,2cyclictest41-21ksoftirqd/321:58:263
5629991816,1cyclictest41-21ksoftirqd/323:06:103
5629991816,1cyclictest41-21ksoftirqd/323:04:253
5629991816,1cyclictest41-21ksoftirqd/322:13:093
5629991815,2cyclictest41-21ksoftirqd/322:50:223
5629991815,2cyclictest41-21ksoftirqd/321:34:163
5629991815,1cyclictest41-21ksoftirqd/322:27:173
5629991815,1cyclictest41-21ksoftirqd/321:46:283
5629991814,4cyclictest41-21ksoftirqd/321:15:293
5629991813,4cyclictest41-21ksoftirqd/322:43:453
5629991813,3cyclictest41-21ksoftirqd/300:11:003
5611991816,1cyclictest25-21ksoftirqd/123:21:031
5611991816,1cyclictest25-21ksoftirqd/122:13:391
5611991815,3cyclictest25-21ksoftirqd/121:35:381
137002180,0sleep50-21swapper/522:47:505
5629991715,1cyclictest41-21ksoftirqd/323:45:103
5629991715,1cyclictest41-21ksoftirqd/323:45:103
5629991715,1cyclictest41-21ksoftirqd/323:41:203
5629991715,1cyclictest41-21ksoftirqd/322:37:273
5629991715,1cyclictest41-21ksoftirqd/322:19:533
5629991715,1cyclictest41-21ksoftirqd/322:09:263
5629991715,1cyclictest41-21ksoftirqd/300:15:023
5629991713,3cyclictest41-21ksoftirqd/300:27:363
5629991713,1cyclictest41-21ksoftirqd/321:28:433
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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