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2026-03-30 - 18:33
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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 rack2slot0.osadl.org (updated Mon Mar 30, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37342600,0sleep30-21swapper/312:23:013
9712590,0sleep0962-21lspci09:24:510
64872590,2sleep22243499cyclictest09:57:502
64872590,2sleep22243499cyclictest09:57:502
189102560,0sleep318902-21bash11:01:583
133762560,0sleep10-21swapper/109:36:301
42742550,0sleep20-21swapper/209:41:102
228732550,0sleep30-21swapper/309:56:263
228732550,0sleep30-21swapper/309:56:253
197502540,1sleep319749-21lspci10:04:273
92012530,0sleep0111rcuc/011:45:050
281972520,0sleep20-21swapper/211:16:272
222232520,0sleep30-21swapper/311:15:563
201162510,0sleep30-21swapper/309:39:513
147522510,0sleep20-21swapper/211:29:062
322872500,0sleep10-21swapper/111:44:181
297742500,0sleep30-21swapper/312:05:593
95802490,0sleep10-21swapper/111:34:081
236642490,1sleep0111rcuc/009:19:460
228032490,0sleep30-21swapper/307:10:163
203582490,0sleep00-21swapper/010:34:450
189992490,0sleep00-21swapper/010:29:070
140572490,2sleep12242799cyclictest12:29:251
123612490,1sleep112356-21lspci11:59:041
131352480,0sleep10-21swapper/110:03:521
192582470,1sleep119255-21sshd12:10:331
57022460,2sleep02242399cyclictest11:30:590
231082390,0sleep30-21swapper/309:11:473
220232308,7sleep20-21swapper/207:06:192
220092309,7sleep00-21swapper/007:06:090
222042297,7sleep30-21swapper/307:08:373
220892268,7sleep10-21swapper/107:07:101
301682210,5sleep130165-21sshd11:38:381
13542200,0sleep10-21swapper/109:20:521
2242399184,5cyclictest28050-21sshd09:37:460
2242399180,16cyclictest1266-21bash10:22:060
2242399174,5cyclictest674-21dbus-daemon12:29:370
2242399170,6cyclictest1433-21grep11:14:160
2242399170,4cyclictest0-21swapper/011:53:500
7382160,0sleep20-21swapper/212:00:462
22434991616,0cyclictest527-40kipmi007:14:192
22427991615,0cyclictest32505-21lspci10:19:171
22427991615,0cyclictest19781-21kworker/1:209:45:101
2242399163,8cyclictest699-21gdbus10:37:590
2242399162,7cyclictest642-21systemd-logind11:42:360
2242399160,6cyclictest674-21dbus-daemon09:55:170
2242399160,6cyclictest674-21dbus-daemon09:55:160
208672160,0sleep20-21swapper/211:07:382
70452150,0sleep10-21swapper/110:11:331
4332150,0sleep00-21swapper/012:33:440
242862150,0sleep3391rcuc/311:21:383
2242399153,7cyclictest21971-21sshd09:27:170
2242399153,6cyclictest699-21gdbus12:23:150
2242399150,7cyclictest674-21dbus-daemon11:05:380
2242399150,6cyclictest674-21dbus-daemon10:12:190
2242399150,6cyclictest30268-21sshd12:39:000
2242399150,6cyclictest20299-21bash10:51:060
2242399150,6cyclictest12530-21lspci10:09:210
2242399150,0cyclictest0-21swapper/009:50:380
202572150,0sleep120253-21bash10:07:141
35992140,0sleep30-21swapper/309:52:053
279442140,0sleep10-21swapper/110:40:451
276082140,0sleep20-21swapper/210:32:342
226142140,1sleep322602-21lspci10:10:113
2243599140,1cyclictest24357-21sshd12:35:413
2243499143,2cyclictest674-21dbus-daemon10:51:132
2243499140,12cyclictest11849-21grep12:10:022
22427991413,0cyclictest4278-21kworker/1:411:02:501
22427991413,0cyclictest28025-21kworker/1:012:35:011
22427991412,1cyclictest11470-21kworker/1:111:54:401
2242399143,6cyclictest674-21dbus-daemon09:41:500
2242399142,6cyclictest674-21dbus-daemon10:16:090
2242399142,6cyclictest649-21polkitd11:36:270
2242399140,6cyclictest6140-21tty10:00:280
2242399140,6cyclictest27223-21grepconf.sh09:12:190
2242399140,6cyclictest25365-21sshd12:00:110
2242399140,6cyclictest1-21systemd12:05:290
2242399140,6cyclictest1-21systemd11:15:260
2242399140,5cyclictest1863-21bash09:46:280
2242399140,5cyclictest17209-21grep10:56:210
2242399140,5cyclictest17032-21sshd11:20:590
2242399140,5cyclictest16295-21bash10:45:170
147312140,0sleep20-21swapper/211:45:282
142812140,1sleep014280-21sshd11:26:150
138942140,0sleep30-21swapper/309:44:493
119402140,0sleep10-21swapper/110:39:301
22435991311,1cyclictest674-21dbus-daemon10:23:103
2243599130,12cyclictest0-21swapper/311:29:203
2243499137,1cyclictest33-21ksoftirqd/212:36:162
22434991313,0cyclictest321ktimersoftd/207:59:082
2243499130,1cyclictest674-21dbus-daemon10:47:522
22427991312,0cyclictest7113-21kworker/1:009:17:051
22427991311,1cyclictest31886-21kworker/1:011:18:451
22427991311,1cyclictest20573-21kworker/1:109:33:021
2242799130,1cyclictest16384-21lspci11:23:441
2242799130,12cyclictest642-21systemd-logind12:18:231
2242799130,0cyclictest0-21swapper/109:43:411
2242399130,8cyclictest674-21dbus-daemon11:55:270
2242399130,7cyclictest674-21dbus-daemon12:16:010
2242399130,7cyclictest23542-21sshd10:40:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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