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2026-03-23 - 22:05
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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 23, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2400421030,0sleep30-21swapper/312:33:373
34012990,0sleep10-21swapper/112:37:191
298282820,0sleep229827-21sshd10:58:442
120842560,0sleep312086-21tty10:22:043
310762550,0sleep00-21swapper/009:53:570
291672550,0sleep20-21swapper/211:12:142
188952550,1sleep30-21swapper/309:19:123
247722540,0sleep20-21swapper/211:39:092
320662530,1sleep032064-21sshd10:23:450
210942520,0sleep20-21swapper/212:03:162
157872520,0sleep10-21swapper/111:05:361
95682510,0sleep0111rcuc/010:00:140
71612510,1sleep1622-13audispd12:04:521
311412510,0sleep00-21swapper/010:26:220
287912510,0sleep20-21swapper/212:06:372
167192510,1sleep30-21swapper/310:03:343
33862500,0sleep3391rcuc/311:01:533
309112500,0sleep00-21swapper/009:31:580
138242500,0sleep20-21swapper/210:51:552
258692490,0sleep20-21swapper/210:31:202
81462480,0sleep00-21swapper/011:35:030
254452480,0sleep30-21swapper/311:50:043
189982480,0sleep10-21swapper/112:33:111
179512480,0sleep00-21swapper/009:26:380
308362470,0sleep20-21swapper/211:09:412
284572470,0sleep30-21swapper/310:50:243
27852470,0sleep10-21swapper/110:59:111
168242470,0sleep00-21swapper/011:13:560
43422420,2sleep22016599cyclictest11:53:432
241522370,0sleep00-21swapper/009:42:310
23062370,2sleep12015899cyclictest11:29:071
30582360,2sleep12015899cyclictest12:26:181
30582360,2sleep12015899cyclictest12:26:181
1966923321,7sleep00-21swapper/007:05:240
198252309,7sleep30-21swapper/307:07:233
1946222515,5sleep10-21swapper/107:05:211
197252219,7sleep20-21swapper/207:06:062
114022210,0sleep10-21swapper/109:10:371
20165992020,0cyclictest321ktimersoftd/208:54:362
20165991919,0cyclictest321ktimersoftd/207:59:532
193322190,1sleep0649-21polkitd09:23:010
193322190,1sleep0649-21polkitd09:23:010
143442190,0sleep10-21swapper/111:46:211
256962180,1sleep2321ktimersoftd/210:39:292
80122170,0sleep38016-21bash10:27:093
246052170,0sleep20-21swapper/210:09:412
2016599177,3cyclictest33-21ksoftirqd/212:00:002
2015299170,1cyclictest18612-21cp11:30:230
139772170,0sleep10-21swapper/111:40:521
55882160,2sleep22016599cyclictest12:21:032
276572160,2sleep32017399cyclictest11:33:573
254542160,0sleep20-21swapper/210:20:272
23742160,0sleep00-21swapper/009:17:130
234712160,0sleep00-21swapper/012:25:170
234712160,0sleep00-21swapper/012:25:170
2015299164,5cyclictest674-21dbus-daemon11:46:110
249122150,0sleep00-21swapper/009:12:160
2016599156,1cyclictest33-21ksoftirqd/210:45:212
2016599156,1cyclictest33-21ksoftirqd/209:41:082
2016599154,3cyclictest33-21ksoftirqd/209:52:372
20165991515,0cyclictest321ktimersoftd/208:59:372
20165991515,0cyclictest321ktimersoftd/207:32:372
2015299152,1cyclictest0-21swapper/010:45:270
2015299150,2cyclictest15424-21sshd10:33:120
2015299150,1cyclictest20869-21bash11:52:210
2015299150,1cyclictest1-21systemd10:08:580
2015299150,1cyclictest1-21systemd09:56:260
2015299150,1cyclictest10443-21bash10:16:340
145242150,0sleep30-21swapper/312:05:223
4012140,0sleep10-21swapper/110:42:451
2017399141,1cyclictest21377-21sshd10:06:383
2016599144,3cyclictest33-21ksoftirqd/209:38:352
2016599144,2cyclictest33-21ksoftirqd/209:55:142
2016599143,3cyclictest33-21ksoftirqd/210:41:032
20165991414,0cyclictest321ktimersoftd/209:04:382
20165991414,0cyclictest321ktimersoftd/208:05:052
20165991412,1cyclictest33-21ksoftirqd/209:11:252
2016599140,3cyclictest3482-21lspci09:48:562
20158991413,0cyclictest15340-21lspci09:33:411
20158991411,2cyclictest699-21gdbus09:45:231
2015299143,8cyclictest1002-21snmpd11:44:170
2015299143,6cyclictest14400-21sshd12:05:210
2015299143,5cyclictest17235-21sshd09:47:210
2015299140,1cyclictest32550irq/27-ahci[00010:40:260
2015299140,1cyclictest25181-21cp10:55:340
2015299140,1cyclictest16460-21sshd10:38:420
2015299140,1cyclictest1026-21sshd12:23:260
2015299140,1cyclictest1002-21snmpd12:02:230
194202140,0sleep10-21swapper/109:44:531
191482140,0sleep20-21swapper/211:46:462
175532140,0sleep10-21swapper/109:26:351
287422130,0sleep228745-21bash10:18:072
21662130,0sleep2311rcuc/212:15:182
2017399130,12cyclictest1-21systemd11:46:083
2016599135,1cyclictest33-21ksoftirqd/211:02:542
2016599133,3cyclictest33-21ksoftirqd/209:20:402
2016599133,3cyclictest33-21ksoftirqd/209:20:402
2016599133,3cyclictest33-21ksoftirqd/209:16:072
2016599133,2cyclictest33-21ksoftirqd/212:14:172
2016599133,2cyclictest33-21ksoftirqd/211:15:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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