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2026-04-19 - 17:13
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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 Apr 19, 2026 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1979421340,1sleep00-21swapper/012:32:210
1716921330,3sleep21807299cyclictest09:50:082
2808421260,3sleep21807299cyclictest11:35:002
2890021160,1sleep00-21swapper/011:14:020
253892900,2sleep125390-21sshd12:18:391
1754628727,48sleep10-21swapper/107:06:531
163342870,0sleep20-21swapper/211:41:132
21852860,1sleep041ktimersoftd/011:32:010
1767128533,48sleep30-21swapper/307:08:283
92662830,1sleep09268-21latency08:00:160
42232830,3sleep30-21swapper/310:50:053
73532820,3sleep20-21swapper/212:38:112
284152820,0sleep22512-21runrttasks11:45:582
242772820,7sleep03-21ksoftirqd/009:15:080
134602820,2sleep20-21swapper/209:42:362
302892810,0sleep00-21swapper/012:15:340
29122810,3sleep30-21swapper/312:08:233
285772810,2sleep128506-21sshd09:44:141
241082790,2sleep224109-21sshd09:47:082
132082790,1sleep10-21swapper/111:51:181
27002780,1sleep20-21swapper/209:59:182
138592780,1sleep30-21swapper/310:47:203
7172760,3sleep21807299cyclictest11:04:062
280052760,2sleep10-21swapper/112:07:261
260212760,1sleep026007-21sshd10:24:090
307182750,2sleep30-21swapper/310:24:403
165922740,2sleep10-21swapper/110:09:111
151092740,2sleep20-21swapper/210:09:002
116372740,2sleep20-21swapper/209:20:482
82342720,4sleep21807299cyclictest11:36:172
270912720,2sleep01806899cyclictest11:20:470
128722720,0sleep00-21swapper/010:29:380
208072700,3sleep21807299cyclictest10:23:352
131502690,1sleep20-21swapper/210:29:402
1776726433,11sleep20-21swapper/207:09:272
125392560,0sleep00-21swapper/010:54:260
247152540,52sleep328950irq/26-ahci[00009:50:553
7852450,0sleep0787-21id12:12:090
1769224235,4sleep00-21swapper/007:08:410
324192380,36sleep3144650irq/27-eth009:26:263
248442380,0sleep00-21swapper/008:35:130
252092370,0sleep325210-21sshd10:13:453
155212350,2sleep20-21swapper/209:28:242
23882341,31sleep2144650irq/27-eth010:56:462
299262330,3sleep10-21swapper/109:34:051
234592330,4sleep10-21swapper/110:48:261
173602330,3sleep30-21swapper/310:58:383
124522300,1sleep012449-21bash11:47:490
18068992922,3cyclictest24939-21sshd09:33:330
28982280,0sleep03-21ksoftirqd/011:39:510
269172280,2sleep10-21swapper/111:42:251
45102270,0sleep20-21swapper/211:21:532
300962271,24sleep1144650irq/27-eth011:49:461
150662260,3sleep20-21swapper/209:10:372
1807299237,12cyclictest0-21swapper/212:01:122
1806899230,22cyclictest15334-21sshd10:58:240
122142230,2sleep21807299cyclictest12:20:372
327282220,2sleep332722-21sshd11:46:273
30252220,20sleep3144650irq/27-eth012:16:103
194732220,2sleep20-21swapper/210:40:582
139372220,2sleep10-21swapper/109:53:161
62752210,2sleep16271-21sshd10:28:551
77112200,2sleep10-21swapper/111:01:171
292752200,18sleep1144650irq/27-eth012:22:321
199542201,17sleep1144650irq/27-eth012:32:231
18073992017,2cyclictest17418-21sshd12:14:193
18073992016,3cyclictest47-21rcuop/312:37:093
123712200,2sleep30-21swapper/312:20:373
48812190,17sleep1144650irq/27-eth011:08:001
48812190,17sleep1144650irq/27-eth011:07:591
246572190,17sleep1144650irq/27-eth011:30:551
237372190,0sleep00-21swapper/011:42:030
1807299193,3cyclictest20627-21sshd11:06:072
1807299193,3cyclictest20627-21sshd11:06:072
1807299190,3cyclictest31944-21sshd10:14:302
1807199190,14cyclictest0-21swapper/112:14:321
1806899191,12cyclictest22215-21munin-run12:40:000
66432180,16sleep328950irq/26-ahci[00009:35:043
261752180,16sleep2144650irq/27-eth011:17:102
237002180,16sleep3144650irq/27-eth009:11:363
1807399181,15cyclictest0-21swapper/312:30:173
1807299183,13cyclictest31994-21sshd10:45:452
1807199187,6cyclictest0-21swapper/112:38:531
1807199180,16cyclictest0-21swapper/108:35:121
83032171,14sleep3144650irq/27-eth010:43:203
54032170,15sleep1144650irq/27-eth010:21:541
1807399178,7cyclictest0-21swapper/309:21:033
1807399170,4cyclictest22831-21sshd11:13:223
1807399170,15cyclictest17996-21sshd09:32:453
1807299173,6cyclictest17486-21sshd10:30:072
1807299173,13cyclictest2132-21sshd09:16:502
1807299173,13cyclictest0-21swapper/209:08:122
1807299173,13cyclictest0-21swapper/209:08:112
18072991713,2cyclictest25721-21bash10:38:172
18072991712,4cyclictest17535-21sshd12:06:022
1807299170,9cyclictest2132-21sshd11:14:532
1807299170,12cyclictest0-21swapper/207:15:202
18071991712,3cyclictest4406-21sshd10:56:591
1807199170,15cyclictest0-21swapper/111:23:081
1807199170,11cyclictest0-21swapper/109:59:481
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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