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2026-07-19 - 20:13
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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 rack5slot0.osadl.org (updated Sun Jul 19, 2026 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3025321340,1sleep30-21swapper/308:00:193
989721320,1sleep39896-21sshd11:30:443
2002721270,4sleep1639099cyclictest12:07:451
2899421240,2sleep20-21swapper/210:17:172
2983221180,4sleep3639299cyclictest12:23:293
3203621160,3sleep1639099cyclictest11:54:541
1988021160,2sleep30-21swapper/310:33:493
1988021160,2sleep30-21swapper/310:33:493
5965211034,47sleep30-21swapper/307:08:063
5879210832,47sleep10-21swapper/107:07:011
258052980,2sleep20-21swapper/211:50:312
300972960,3sleep030099-21id11:22:230
10682930,2sleep10-21swapper/112:27:281
273602880,2sleep227341-21sshd10:45:232
205422880,3sleep10-21swapper/112:22:231
268042860,4sleep2639199cyclictest09:37:542
123252860,2sleep112310-21sshd12:10:291
28302850,0sleep00-21swapper/012:05:470
188702850,3sleep20-21swapper/212:11:142
88332840,2sleep22512-21runrttasks09:21:392
50522840,0sleep00-21swapper/011:55:210
322862840,0sleep00-21swapper/009:13:510
245642840,3sleep30-21swapper/309:45:123
167492820,2sleep20-21swapper/212:29:262
300382800,1sleep10-21swapper/110:27:541
305082780,2sleep20-21swapper/210:14:002
157022780,1sleep10-21swapper/109:54:411
248262770,2sleep30-21swapper/310:52:163
4322760,2sleep2434-21switchtime09:10:212
128262760,2sleep212827-21bash10:29:362
202842740,1sleep020280-21bash10:44:410
7212730,0sleep00-21swapper/011:47:480
313212730,2sleep331291-21sshd11:29:403
250282730,1sleep20-21swapper/210:02:352
235422730,5sleep3639299cyclictest10:23:443
318942710,4sleep2639199cyclictest09:56:172
139732700,1sleep013970-21bash09:22:130
7752690,3sleep0638999cyclictest10:38:480
326092690,0sleep00-21swapper/012:35:130
294442690,2sleep129443-21sshd12:30:491
158332690,2sleep30-21swapper/310:47:433
582125632,12sleep20-21swapper/207:06:172
594724732,11sleep00-21swapper/007:07:510
96432350,1sleep00-21swapper/012:10:160
201842350,0sleep020186-21id10:48:120
94582330,3sleep0638999cyclictest10:54:210
318202290,3sleep331818-21bash10:14:093
639199270,26cyclictest144650irq/27-eth010:21:352
59842270,1sleep122-21ksoftirqd/109:35:241
300412270,2sleep30-21swapper/312:35:003
269472270,2sleep20-21swapper/211:40:052
143422270,1sleep20-21swapper/210:51:002
39552260,24sleep1144650irq/27-eth010:03:501
267582260,24sleep3144650irq/27-eth011:07:093
77152250,23sleep2144650irq/27-eth010:32:302
77152250,23sleep2144650irq/27-eth010:32:292
64992240,1sleep10-21swapper/109:46:381
638999241,16cyclictest0-21swapper/012:20:350
96012230,2sleep29598-21sshd11:59:322
290652230,1sleep00-21swapper/012:19:340
186722231,20sleep328950irq/26-ahci[00011:35:183
175162230,0sleep00-21swapper/010:30:060
175162230,0sleep00-21swapper/010:30:050
141502230,0sleep314147-21sshd12:17:523
221722220,1sleep20-21swapper/210:09:362
212272220,3sleep2639199cyclictest12:22:282
181682220,19sleep3144650irq/27-eth010:37:073
157882220,0sleep015785-21seq12:33:120
65252210,1sleep16511-21sshd10:43:001
638999210,13cyclictest0-21swapper/009:27:100
29792210,3sleep3422-21jbd2/dm-0-809:17:353
239712210,1sleep023965-21sshd09:19:540
638999200,5cyclictest0-21swapper/009:51:130
638999200,13cyclictest0-21swapper/010:15:230
311122200,3sleep10-21swapper/110:35:031
638999190,11cyclictest5924-21sshd09:43:030
198462190,2sleep219845-21sshd09:48:092
639299188,5cyclictest0-21swapper/312:13:593
639199182,15cyclictest153250irq/28-eth1-rx-09:16:002
6390991811,3cyclictest28950irq/26-ahci[00007:40:131
50772182,14sleep2144650irq/27-eth011:15:332
315412180,16sleep2144650irq/27-eth012:19:532
298272180,3sleep30-21swapper/310:56:343
132012180,16sleep2144650irq/27-eth009:25:332
88812170,0sleep00-21swapper/011:16:020
639299178,3cyclictest8733-21munin-node11:45:203
639299170,6cyclictest0-21swapper/309:37:433
6391991715,1cyclictest0-21swapper/210:39:062
639099170,15cyclictest0-21swapper/109:22:521
639099170,10cyclictest1158-21jbd2/dm-2-809:31:081
318102170,1sleep20-21swapper/209:52:522
207572170,1sleep30-21swapper/309:58:393
639299167,4cyclictest459-21sshd11:19:073
6392991611,4cyclictest17795-21sshd11:24:393
639299160,7cyclictest0-21swapper/312:27:533
639299160,3cyclictest0-21swapper/310:01:073
639299160,14cyclictest11925-21sshd09:50:383
639299160,14cyclictest0-21swapper/310:25:073
639299160,14cyclictest0-21swapper/307:45:153
639199168,4cyclictest31591-21sshd12:01:542
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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