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2026-04-23 - 19:08
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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 23, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
244892700,1sleep31796999cyclictest09:47:403
133672540,2sleep31796999cyclictest12:24:543
319492510,0sleep00-21swapper/011:41:180
232462510,1sleep09-21ksoftirqd/010:06:110
26302490,0sleep10-21swapper/109:12:541
42132480,0sleep70-21swapper/710:51:277
162502480,0sleep116240-21sshd10:16:531
77832470,1sleep233-21ksoftirqd/211:12:052
1780624725,8sleep10-21swapper/107:09:481
168352470,2sleep585250irq/26-em1-tx-010:54:065
4582460,0sleep20-21swapper/212:20:212
16202460,1sleep61625-21bash10:23:316
128112450,1sleep212770-21sshd11:38:242
102452450,1sleep010231-21sshd09:31:590
102042450,0sleep40-21swapper/410:16:324
55962440,0sleep20-21swapper/210:49:462
1761024431,9sleep40-21swapper/407:07:034
159912440,1sleep415989-21grep10:28:024
131112440,2sleep61799099cyclictest09:11:236
86152430,0sleep00-21swapper/010:53:370
42942430,0sleep30-21swapper/312:35:273
312452430,0sleep00-21swapper/012:29:400
312452430,0sleep00-21swapper/012:29:400
17802430,0sleep00-21swapper/010:45:440
17042430,0sleep40-21swapper/410:56:534
158482430,0sleep40-21swapper/411:10:394
62822420,0sleep10-21swapper/109:59:391
303682420,0sleep30-21swapper/312:07:163
27872420,0sleep10-21swapper/109:42:421
25912420,1sleep02590-21grepconf.sh09:42:410
153852420,0sleep00-21swapper/012:23:070
112572420,2sleep01794799cyclictest10:31:260
290242410,0sleep70-21swapper/712:20:107
269982410,0sleep10-21swapper/112:29:251
269982410,0sleep10-21swapper/112:29:251
180832410,0sleep30-21swapper/310:28:093
1752124129,9sleep30-21swapper/307:05:493
1748724129,8sleep70-21swapper/707:05:217
56072400,0sleep40-21swapper/409:28:034
258142400,0sleep10-21swapper/110:50:491
179562400,0sleep30-21swapper/310:55:563
1759124027,9sleep50-21swapper/507:06:485
155212400,0sleep30-21swapper/310:48:273
214392390,0sleep70-21swapper/710:28:217
1772023927,8sleep00-21swapper/007:08:350
1757923928,8sleep20-21swapper/207:06:372
1752423926,9sleep60-21swapper/607:05:526
85052380,0sleep70-21swapper/709:57:537
280972380,2sleep71799199cyclictest12:25:387
280972380,2sleep71799199cyclictest12:25:387
262982380,0sleep20-21swapper/209:42:102
68672370,1sleep11-21systemd11:13:561
15442360,0sleep50-21swapper/510:36:285
15442360,0sleep50-21swapper/510:36:285
222362340,1sleep31796999cyclictest11:38:573
322682280,1sleep5561ktimersoftd/511:24:415
17988992511,1cyclictest57-21ksoftirqd/511:13:435
17988992510,4cyclictest57-21ksoftirqd/509:15:325
17988992510,3cyclictest57-21ksoftirqd/509:27:595
17988992412,3cyclictest57-21ksoftirqd/512:17:485
17988992410,3cyclictest57-21ksoftirqd/510:04:105
1798899238,1cyclictest57-21ksoftirqd/510:33:045
1798899236,3cyclictest57-21ksoftirqd/510:15:005
17988992312,1cyclictest57-21ksoftirqd/511:40:115
1794799232,5cyclictest1-21systemd10:39:310
1794799232,5cyclictest1-21systemd10:39:310
1798899229,3cyclictest57-21ksoftirqd/511:45:265
1798899228,3cyclictest57-21ksoftirqd/511:37:535
17988992210,3cyclictest57-21ksoftirqd/512:28:315
17988992210,3cyclictest57-21ksoftirqd/512:28:315
1794799222,6cyclictest9075-21sshd09:11:070
1794799222,5cyclictest30638-21rm11:52:250
1798899217,1cyclictest57-21ksoftirqd/512:31:435
1794799212,5cyclictest31864-21bash09:20:150
1794799212,4cyclictest22706-21bash11:16:380
1794799212,4cyclictest21009-21sshd11:20:140
1794799212,4cyclictest19394-21grep10:28:140
1794799212,3cyclictest721-21dbus-daemon10:43:280
1794799212,3cyclictest721-21dbus-daemon10:43:280
1798899209,4cyclictest57-21ksoftirqd/510:28:565
1798899209,3cyclictest57-21ksoftirqd/511:30:135
1798899209,3cyclictest57-21ksoftirqd/511:30:135
1798899209,3cyclictest57-21ksoftirqd/510:44:015
1798899209,3cyclictest57-21ksoftirqd/510:44:015
1798899208,3cyclictest57-21ksoftirqd/511:51:205
1798899208,3cyclictest57-21ksoftirqd/511:26:145
1798899207,3cyclictest57-21ksoftirqd/509:55:055
1798899207,1cyclictest57-21ksoftirqd/512:20:345
1798899206,2cyclictest57-21ksoftirqd/512:36:195
1798899204,3cyclictest57-21ksoftirqd/511:19:475
17988992010,3cyclictest57-21ksoftirqd/509:39:035
17988992010,3cyclictest57-21ksoftirqd/509:21:255
17988992010,3cyclictest57-21ksoftirqd/509:12:335
17988992010,1cyclictest57-21ksoftirqd/511:58:335
1798899201,3cyclictest131rcu_sched10:55:075
1798899201,1cyclictest57-21ksoftirqd/509:41:395
1794799204,4cyclictest8226-21systemd11:26:570
1794799203,5cyclictest21515-21sshd12:08:390
1794799203,4cyclictest16236-21switchtime09:45:160
1794799203,2cyclictest721-21dbus-daemon10:18:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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