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2026-05-11 - 23:02
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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 rackaslot0.osadl.org (updated Mon May 11, 2026 12:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
266372920,0sleep210864-21diskmemload12:25:222
286642820,0sleep00-21swapper/009:39:570
282726325,19sleep00-21swapper/007:06:370
344826024,18sleep20-21swapper/207:09:442
32102600,0sleep20-21swapper/210:31:562
185402580,1sleep118539-21bash10:41:481
17982570,0sleep01734-21runrttasks09:57:280
17982570,0sleep01734-21runrttasks09:57:280
149242570,0sleep30-21swapper/309:32:593
7972560,1sleep010864-21diskmemload12:34:370
34492560,0sleep20-21swapper/210:54:482
243862560,0sleep124385-21sshd09:19:391
137902560,0sleep119-21rcuc/109:32:531
57912550,0sleep33762-21cyclictest10:55:013
95782540,0sleep10-21swapper/110:38:111
61062540,1sleep16082-21sshd12:26:251
70972530,1sleep21734-21runrttasks12:20:452
70972530,1sleep21734-21runrttasks12:20:452
230632530,0sleep223045-21sshd09:19:332
34742520,0sleep20-21swapper/209:29:102
242492520,1sleep324254-21fschecks_count10:25:163
320822510,0sleep10-21swapper/110:08:471
320822510,0sleep10-21swapper/110:08:471
303525124,9sleep30-21swapper/307:07:413
243912510,0sleep30-21swapper/310:13:503
239232510,1sleep223922-21bash11:56:332
102372510,1sleep10-21swapper/112:12:311
297872490,0sleep00-21swapper/011:37:000
144012490,0sleep314398-21sshd09:24:263
117152490,0sleep00-21swapper/010:32:410
72324826,18sleep10-21swapper/107:05:101
80452470,0sleep10-21swapper/109:43:471
296792470,0sleep00-21swapper/010:57:020
124602470,0sleep212443-21sshd09:58:272
124602470,0sleep212443-21sshd09:58:272
105682470,1sleep30-21swapper/312:12:333
112142440,0sleep10-21swapper/111:52:361
148642430,0sleep314841-21sshd10:21:323
108892400,1sleep110860-21sshd11:12:281
292542280,0sleep129255-21sshd11:25:261
376799230,1cyclictest3014-21smartctl12:20:243
376799230,1cyclictest3014-21smartctl12:20:243
272072220,0sleep227206-21bash11:31:012
88712210,1sleep18859-21sshd10:15:161
3765992120,1cyclictest10589-21sshd10:01:051
3765992120,1cyclictest10589-21sshd10:01:051
3764992119,1cyclictest8237-21sshd09:46:340
3764992119,1cyclictest6678-21sshd10:06:270
3764992119,1cyclictest6678-21sshd10:06:270
3767992019,1cyclictest0-21swapper/311:01:563
376799200,1cyclictest32075-21sshd11:22:563
3766992019,1cyclictest0-21swapper/211:05:402
376699200,20cyclictest0-21swapper/210:07:392
376699200,20cyclictest0-21swapper/210:07:392
3767991917,1cyclictest115650irq/25-eth011:37:023
3765991917,1cyclictest24387-21sshd10:13:491
3765991917,1cyclictest20070-21sshd12:04:521
376499199,6cyclictest0-21swapper/010:02:410
376499199,6cyclictest0-21swapper/010:02:410
3764991916,2cyclictest32042-21id10:48:420
3764991913,3cyclictest3-21ksoftirqd/009:20:170
3767991817,1cyclictest0-21swapper/311:53:133
323772180,2sleep337-21rcuc/311:48:453
182442180,1sleep10-21swapper/109:50:201
3764991715,2cyclictest25630-21kworker/0:111:12:370
3764991715,1cyclictest15940-21sshd11:47:150
26992170,0sleep20-21swapper/210:00:232
26992170,0sleep20-21swapper/210:00:232
376599169,6cyclictest0-21swapper/111:55:321
298462160,0sleep10-21swapper/111:42:451
169342160,0sleep20-21swapper/211:13:032
376699159,5cyclictest0-21swapper/210:16:002
3766991514,1cyclictest0-21swapper/211:44:092
3765991510,2cyclictest9635-21sshd11:32:211
376599150,13cyclictest20961-21sshd11:36:111
376499159,3cyclictest0-21swapper/011:06:530
376499158,6cyclictest3861-21sshd10:37:400
376499155,9cyclictest3271-21kworker/0:208:45:230
376499154,11cyclictest2215-21kworker/0:210:53:500
376499150,12cyclictest18859-21bash12:07:330
376499150,12cyclictest0-21swapper/009:17:400
284582150,1sleep10-21swapper/110:28:301
266892150,0sleep20-21swapper/209:36:522
200662150,0sleep20-21swapper/212:19:092
55822140,0sleep10-21swapper/109:20:431
376799149,4cyclictest0-21swapper/311:11:353
376799144,9cyclictest24062-21id12:36:363
376799140,5cyclictest0-21swapper/312:31:593
376799140,13cyclictest0-21swapper/310:01:293
376799140,13cyclictest0-21swapper/310:01:293
376799140,12cyclictest0-21swapper/309:55:583
376799140,12cyclictest0-21swapper/309:55:573
3766991413,1cyclictest0-21swapper/210:47:442
3766991412,1cyclictest22219-21latency_hist11:05:002
3766991411,2cyclictest10864-21diskmemload11:50:002
376699140,1cyclictest0-21swapper/210:38:092
376699140,13cyclictest28828-21sshd11:36:552
376699140,13cyclictest20744-21sshd12:13:272
376699140,13cyclictest0-21swapper/210:56:342
376699140,13cyclictest0-21swapper/210:40:342
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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