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2026-04-09 - 19:53
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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 Thu Apr 09, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24976991022,37cyclictest26035-21sshd09:26:410
24976991022,37cyclictest26035-21sshd09:26:410
248292780,1sleep124805-21sshd09:48:541
25004996629,37cyclictest0-21swapper/609:26:416
25004996629,37cyclictest0-21swapper/609:26:416
25002996060,0cyclictest27642-21kworker/4:009:26:414
25002996060,0cyclictest27642-21kworker/4:009:26:414
121372600,0sleep70-21swapper/711:50:347
42152550,1sleep665-21ksoftirqd/609:53:166
166582520,1sleep616655-21id11:04:286
108772520,0sleep20-21swapper/210:43:412
2468625127,8sleep10-21swapper/107:04:311
2478924925,8sleep60-21swapper/607:05:566
192012490,0sleep20-21swapper/209:44:552
256292480,0sleep025625-21sshd10:38:590
133972480,0sleep30-21swapper/309:18:373
13222480,0sleep40-21swapper/409:36:244
13152480,0sleep00-21swapper/010:56:130
2461224722,8sleep30-21swapper/307:03:293
200012470,0sleep60-21swapper/612:35:346
188872470,0sleep60-21swapper/610:44:096
17322470,0sleep10-21swapper/112:15:591
155492470,0sleep30-21swapper/310:36:303
261052460,1sleep5551rcuc/512:15:315
219812460,1sleep621979-21grepconf.sh09:32:016
88472450,0sleep60-21swapper/609:12:476
87722450,0sleep40-21swapper/410:45:284
257172450,1sleep325718-21sshd11:10:333
136062450,0sleep20-21swapper/212:09:112
323732440,0sleep50-21swapper/510:28:155
297852440,1sleep2311rcuc/209:36:142
211872440,0sleep00-21swapper/011:30:410
80002430,0sleep50-21swapper/511:09:315
67472430,0sleep60-21swapper/609:44:116
325802430,0sleep10-21swapper/109:14:101
304182430,0sleep60-21swapper/610:20:476
21542430,0sleep30-21swapper/311:18:263
173952430,0sleep70-21swapper/710:49:397
4132420,0sleep20-21swapper/209:14:112
276842420,0sleep50-21swapper/509:58:195
201822420,0sleep30-21swapper/310:46:073
83022410,0sleep60-21swapper/611:09:326
72052410,0sleep50-21swapper/511:35:265
313882410,0sleep30-21swapper/311:51:343
254472410,0sleep10-21swapper/110:40:521
2500399410,40cyclictest4998-21kworker/5:409:26:405
2500399410,40cyclictest4998-21kworker/5:409:26:405
2479224129,9sleep70-21swapper/707:05:577
2446824129,8sleep20-21swapper/207:01:282
161382410,0sleep60-21swapper/611:13:416
161382410,0sleep60-21swapper/611:13:416
123382410,0sleep40-21swapper/411:54:154
295122400,0sleep60-21swapper/612:06:196
2474824028,9sleep50-21swapper/507:05:235
2459524028,9sleep40-21swapper/407:03:144
222902400,0sleep722289-21sshd10:33:137
165982400,0sleep3391rcuc/309:41:033
2453323927,8sleep00-21swapper/007:02:220
146692390,0sleep30-21swapper/309:07:073
107742390,0sleep20-21swapper/211:26:182
151132380,2sleep02497699cyclictest11:06:140
13152380,0sleep70-21swapper/709:06:157
2499799370,36cyclictest28343-21kworker/3:109:26:413
2499799370,36cyclictest28343-21kworker/3:109:26:413
24990993737,0cyclictest13550irq/24-ahci[00009:26:412
24990993737,0cyclictest13550irq/24-ahci[00009:26:412
108582340,0sleep00-21swapper/009:31:230
218352310,0sleep40-21swapper/411:15:554
218352310,0sleep40-21swapper/411:15:554
24984992812,5cyclictest1-21systemd09:26:411
24984992812,5cyclictest1-21systemd09:26:411
2499799269,2cyclictest41-21ksoftirqd/309:24:263
2499799269,2cyclictest41-21ksoftirqd/309:24:263
2499799269,1cyclictest41-21ksoftirqd/311:30:263
2499799268,3cyclictest41-21ksoftirqd/311:56:103
24997992611,3cyclictest41-21ksoftirqd/312:04:333
61612250,0sleep4481ktimersoftd/410:58:174
2499799249,2cyclictest41-21ksoftirqd/310:31:593
24997992410,3cyclictest41-21ksoftirqd/309:47:233
2499799237,3cyclictest41-21ksoftirqd/309:52:083
2500599224,1cyclictest0-21swapper/709:26:417
2500599224,1cyclictest0-21swapper/709:26:417
2499799218,1cyclictest41-21ksoftirqd/310:19:463
2499799217,3cyclictest41-21ksoftirqd/309:33:563
24997992112,3cyclictest41-21ksoftirqd/312:33:173
24997992112,1cyclictest41-21ksoftirqd/312:25:423
24997992111,2cyclictest41-21ksoftirqd/310:06:363
24997992111,1cyclictest41-21ksoftirqd/310:03:003
24997992110,2cyclictest41-21ksoftirqd/310:21:473
24997992110,1cyclictest41-21ksoftirqd/312:30:323
24997992110,1cyclictest41-21ksoftirqd/311:32:533
24990992113,5cyclictest33-21ksoftirqd/209:48:192
2499799209,3cyclictest41-21ksoftirqd/310:43:473
2499799209,2cyclictest41-21ksoftirqd/311:44:313
2499799209,1cyclictest41-21ksoftirqd/310:53:343
2499799208,3cyclictest41-21ksoftirqd/311:39:583
2499799206,3cyclictest41-21ksoftirqd/311:11:403
2499799206,3cyclictest41-21ksoftirqd/311:11:403
24997992015,3cyclictest41-21ksoftirqd/310:00:083
24990992017,1cyclictest33-21ksoftirqd/211:17:292
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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