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2026-05-10 - 11:09
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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 Sun May 10, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4602960,0sleep60-21swapper/621:35:506
3722960,0sleep4471rcuc/423:00:144
148612780,1sleep42192499cyclictest21:44:374
150962760,0sleep10-21swapper/123:13:241
310582710,1sleep1758-21runrttasks21:09:341
310582710,1sleep1758-21runrttasks21:09:341
194712710,0sleep30-21swapper/323:41:133
15232700,0sleep00-21swapper/000:31:560
248512690,0sleep10-21swapper/121:41:221
143362540,0sleep10-21swapper/100:26:371
58692520,1sleep05877-21bash23:08:590
58692520,1sleep05877-21bash23:08:590
241282500,0sleep30-21swapper/321:45:083
219152500,9sleep449-21ksoftirqd/400:05:094
133672500,0sleep3391rcuc/323:44:423
2154224926,8sleep50-21swapper/519:05:445
2151524825,8sleep00-21swapper/019:05:220
82192460,0sleep70-21swapper/722:58:497
85752450,0sleep70-21swapper/721:58:017
174432450,0sleep20-21swapper/222:40:492
99992440,0sleep11-21systemd21:50:191
212212440,0sleep50-21swapper/500:16:565
198812440,0sleep30-21swapper/322:24:573
184262440,0sleep50-21swapper/522:43:015
23132430,0sleep50-21swapper/523:30:025
2151324230,9sleep70-21swapper/719:05:217
169912410,0sleep00-21swapper/022:42:560
280212400,0sleep70-21swapper/700:33:407
2159924027,9sleep40-21swapper/419:06:314
2151724028,9sleep20-21swapper/219:05:252
29272390,1sleep4758-21runrttasks23:38:104
288472390,0sleep70-21swapper/723:35:497
2168523928,8sleep10-21swapper/119:07:401
2161423927,8sleep60-21swapper/619:06:416
199402390,0sleep50-21swapper/500:10:555
108722390,0sleep70-21swapper/723:56:317
37302380,0sleep60-21swapper/622:06:016
37302380,0sleep60-21swapper/622:06:016
284172380,0sleep20-21swapper/222:31:282
225602380,1sleep32192399cyclictest23:25:203
2161123827,8sleep30-21swapper/319:06:383
2192299223,3cyclictest33-21ksoftirqd/221:31:502
140032220,0sleep30-21swapper/300:28:393
21922992119,1cyclictest13550irq/24-ahci[00000:08:202
2192099210,3cyclictest1-21systemd21:58:350
2192599200,2cyclictest23535-21grepconf.sh23:15:465
2192299205,1cyclictest33-21ksoftirqd/221:58:362
21925991915,3cyclictest57-21ksoftirqd/523:27:205
2192599190,1cyclictest29364-21sshd22:59:595
2192599190,1cyclictest1-21systemd22:15:585
21922991913,3cyclictest33-21ksoftirqd/222:00:092
2192599180,1cyclictest5423-21sshd23:40:115
2192299188,1cyclictest33-21ksoftirqd/222:49:532
2192299187,3cyclictest121rcu_preempt23:25:152
2192299184,2cyclictest131rcu_sched21:48:032
21922991816,1cyclictest464-21systemd-journal21:25:062
21922991816,1cyclictest33-21ksoftirqd/222:22:422
21922991816,1cyclictest33-21ksoftirqd/221:38:302
21922991816,1cyclictest22691-21rm22:07:102
21922991816,1cyclictest22691-21rm22:07:102
21922991815,1cyclictest464-21systemd-journal00:15:432
21922991814,2cyclictest33-21ksoftirqd/223:11:292
21922991814,1cyclictest33-21ksoftirqd/223:23:142
21922991812,3cyclictest33-21ksoftirqd/200:12:482
49652170,1sleep42192499cyclictest22:30:024
2192599170,1cyclictest721-21dbus-daemon23:49:145
2192599170,1cyclictest5763-21sshd21:28:135
2192599170,1cyclictest14760-21sshd00:32:515
2192299175,3cyclictest33-21ksoftirqd/222:44:532
2192299175,2cyclictest33-21ksoftirqd/200:34:212
2192299174,1cyclictest33-21ksoftirqd/222:38:252
2192299174,1cyclictest33-21ksoftirqd/221:39:392
2192299174,1cyclictest33-21ksoftirqd/221:16:152
2192299174,1cyclictest33-21ksoftirqd/221:16:152
21922991715,1cyclictest464-21systemd-journal23:03:132
21922991715,1cyclictest33-21ksoftirqd/222:09:402
21922991715,1cyclictest33-21ksoftirqd/221:10:592
21922991715,1cyclictest33-21ksoftirqd/221:10:592
21922991715,1cyclictest33-21ksoftirqd/200:32:302
2192299170,1cyclictest131rcu_sched22:28:462
21921991713,1cyclictest25-21ksoftirqd/121:28:281
2192099176,0cyclictest0-21swapper/020:17:500
2192599160,1cyclictest670-21rs:main5
2192599160,1cyclictest31359-21sshd00:23:435
2192599160,1cyclictest17872-21systemd22:06:535
2192599160,1cyclictest17872-21systemd22:06:535
2192299168,2cyclictest33-21ksoftirqd/200:19:302
2192299164,1cyclictest131rcu_sched22:54:412
21922991614,1cyclictest33-21ksoftirqd/223:36:112
21922991614,1cyclictest33-21ksoftirqd/223:06:422
21922991614,1cyclictest33-21ksoftirqd/223:06:422
21922991614,1cyclictest33-21ksoftirqd/221:22:072
21922991610,4cyclictest33-21ksoftirqd/223:50:392
2192299160,2cyclictest121rcu_preempt00:02:002
2192299160,1cyclictest25532-21sshd23:47:332
2192299160,1cyclictest121rcu_preempt23:57:142
21920991615,1cyclictest9-21ksoftirqd/023:13:310
21920991614,1cyclictest9-21ksoftirqd/021:26:220
321832150,1sleep01-21systemd00:01:450
270722150,0sleep70-21swapper/721:13:567
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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