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2026-05-03 - 07:49
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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 03, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16140991060,105cyclictest9635-21kworker/0:323:27:140
44542840,0sleep30-21swapper/300:00:433
16151997237,35cyclictest0-21swapper/623:27:156
16145996412,0cyclictest0-21swapper/523:27:155
16158996360,2cyclictest23502-21sshd23:27:167
314372570,2sleep11614199cyclictest21:53:311
220452540,2sleep41614499cyclictest00:13:344
206572530,0sleep00-21swapper/022:52:160
37262520,2sleep61615199cyclictest23:16:256
37262520,2sleep61615199cyclictest23:16:256
1591825026,8sleep70-21swapper/719:08:267
266902490,1sleep7721-21dbus-daemon23:31:167
1575724926,8sleep60-21swapper/619:06:166
1571724926,8sleep20-21swapper/219:05:402
7822480,1sleep1733-21sshd22:05:081
292762480,0sleep429267-21sshd22:29:464
206722480,0sleep50-21swapper/523:59:495
275052470,1sleep027504-21grepconf.sh00:34:520
16142994746,1cyclictest13550irq/24-ahci[00023:27:152
99862460,0sleep29985-21systemd-cgroups22:45:542
188982460,1sleep1758-21runrttasks23:59:451
57562450,0sleep00-21swapper/000:00:480
308122450,0sleep10-21swapper/122:45:131
301802450,1sleep125-21ksoftirqd/122:54:501
240152450,0sleep40-21swapper/421:56:464
200202450,0sleep00-21swapper/023:19:240
200202450,0sleep00-21swapper/023:19:240
1482024523,8sleep30-21swapper/319:04:533
150172440,0sleep10-21swapper/123:07:391
16141994343,0cyclictest26293-21kworker/1:023:27:161
33032420,0sleep10-21swapper/100:16:111
33032420,0sleep10-21swapper/100:16:111
173942420,0sleep10-21swapper/121:34:561
25992410,1sleep557-21ksoftirqd/500:12:235
161842410,0sleep10-21swapper/123:36:221
157862410,0sleep5551rcuc/521:13:465
130652410,0sleep60-21swapper/622:57:436
297402400,0sleep20-21swapper/200:00:182
278292400,7sleep773-21ksoftirqd/700:27:227
1598724028,8sleep00-21swapper/019:09:230
1589424028,9sleep10-21swapper/119:08:031
1567024027,9sleep40-21swapper/419:05:024
71772390,0sleep10-21swapper/123:51:201
1577623927,9sleep50-21swapper/519:06:315
126872390,0sleep212689-21systemd-cgroups00:10:592
268392380,0sleep40-21swapper/422:41:074
285182370,0sleep20-21swapper/200:34:542
135352360,0sleep4471rcuc/422:48:044
1614499290,29cyclictest5382-21kworker/4:023:27:154
1614399280,27cyclictest1-21systemd23:27:163
279192260,1sleep627914-21sshd21:16:276
16140992517,3cyclictest9-21ksoftirqd/000:12:370
16143992117,4cyclictest41-21ksoftirqd/322:57:533
16143992115,4cyclictest41-21ksoftirqd/322:24:033
1614099219,10cyclictest32168-21sshd23:41:160
290192200,0sleep50-21swapper/523:23:455
212232200,0sleep60-21swapper/621:31:256
212232200,0sleep60-21swapper/621:31:256
1614399207,3cyclictest41-21ksoftirqd/323:10:543
1614399203,1cyclictest41-21ksoftirqd/300:29:473
16143992016,3cyclictest41-21ksoftirqd/322:18:363
16143992016,3cyclictest41-21ksoftirqd/322:04:203
16143992015,3cyclictest41-21ksoftirqd/321:27:503
151972200,0sleep60-21swapper/600:03:276
266572190,1sleep226646-21bash22:08:372
16140991914,5cyclictest857-21polkitd23:46:180
294002180,1sleep629381-21bash23:02:486
16143991816,1cyclictest41-21ksoftirqd/323:52:563
16143991815,1cyclictest41-21ksoftirqd/300:23:553
16143991814,1cyclictest41-21ksoftirqd/323:23:293
1614099187,6cyclictest9-21ksoftirqd/000:26:220
84702170,0sleep10-21swapper/123:16:441
84702170,0sleep10-21swapper/123:16:441
73652170,0sleep20-21swapper/200:04:512
174582170,6sleep5721-21dbus-daemon22:25:145
1614399177,1cyclictest41-21ksoftirqd/323:32:213
1614399172,2cyclictest41-21ksoftirqd/323:45:423
1614399172,2cyclictest41-21ksoftirqd/321:57:183
16143991715,1cyclictest464-21systemd-journal23:55:413
16143991715,1cyclictest4285-21cp22:09:133
16143991715,1cyclictest41-21ksoftirqd/323:15:363
16143991715,1cyclictest41-21ksoftirqd/323:15:363
16143991715,1cyclictest41-21ksoftirqd/323:06:043
16143991715,1cyclictest41-21ksoftirqd/323:01:323
16143991715,1cyclictest41-21ksoftirqd/322:45:393
16143991715,1cyclictest41-21ksoftirqd/322:42:383
16143991715,1cyclictest41-21ksoftirqd/322:38:063
16143991715,1cyclictest41-21ksoftirqd/322:29:333
16143991715,1cyclictest41-21ksoftirqd/322:10:203
16143991715,1cyclictest41-21ksoftirqd/321:29:413
16143991715,1cyclictest41-21ksoftirqd/321:29:413
16143991715,1cyclictest41-21ksoftirqd/300:28:233
16143991715,1cyclictest41-21ksoftirqd/300:14:413
16143991715,1cyclictest41-21ksoftirqd/300:14:413
16143991714,1cyclictest41-21ksoftirqd/321:41:563
16143991713,3cyclictest41-21ksoftirqd/321:20:533
16143991713,1cyclictest41-21ksoftirqd/321:51:093
16143991713,1cyclictest41-21ksoftirqd/300:38:223
16143991711,4cyclictest41-21ksoftirqd/323:40:523
16143991710,4cyclictest41-21ksoftirqd/321:47:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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