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2026-04-09 - 22:58
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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 Thu Apr 09, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
295612960,1sleep029542-21sshd09:16:280
309262830,0sleep230927-21sshd10:30:202
250632830,2sleep22260899cyclictest11:36:452
171222730,0sleep0111rcuc/010:18:120
186992570,1sleep218663-21sshd10:57:032
115842560,0sleep111586-21timerandwakeup11:10:201
22608995555,0cyclictest335-21scsi_eh_212:30:052
29492540,0sleep20-21swapper/211:09:412
162172540,0sleep20-21swapper/210:23:382
53792530,0sleep20-21swapper/209:17:292
189632530,2sleep12260799cyclictest12:21:491
43652520,0sleep10-21swapper/112:27:261
114802520,0sleep00-21swapper/010:56:250
253262510,1sleep125221-21sshd10:24:251
111902510,0sleep00-21swapper/009:22:080
77642500,0sleep10-21swapper/109:13:531
161172500,2sleep32260999cyclictest12:01:403
321832490,0sleep20-21swapper/211:40:122
316372490,0sleep10-21swapper/112:32:061
293302490,0sleep30-21swapper/311:11:533
234232490,0sleep00-21swapper/011:50:400
14402490,0sleep00-21swapper/009:52:010
118292490,0sleep0111rcuc/009:55:360
49762480,2sleep02260499cyclictest12:20:200
225892480,0sleep20-21swapper/210:49:052
234492420,0sleep10-21swapper/110:32:311
89492360,0sleep00-21swapper/009:10:070
240742350,0sleep024057-21rm09:40:110
223262297,7sleep10-21swapper/107:07:531
223652286,7sleep00-21swapper/007:08:240
194112270,0sleep119413-21grepconf.sh11:22:141
312042220,0sleep00-21swapper/011:00:530
2249822210,7sleep20-21swapper/207:09:582
2174322210,7sleep30-21swapper/307:05:193
70872190,0sleep30-21swapper/311:15:313
50652190,0sleep30-21swapper/309:52:203
172112190,0sleep10-21swapper/111:38:561
318772180,2sleep12260799cyclictest09:43:371
258232180,0sleep00-21swapper/011:28:260
41632170,1sleep30-21swapper/309:21:163
324092160,0sleep11026-21sshd11:51:291
285712160,0sleep00-21swapper/010:02:380
22607991615,0cyclictest11199-21kworker/1:409:25:261
69332150,1sleep06929-21sshd10:28:210
22607991514,0cyclictest4820-21kworker/1:011:47:041
22607991514,0cyclictest20264-21kworker/1:410:45:001
212982150,0sleep20-21swapper/210:37:522
170982150,0sleep117100-21bash09:30:341
151012150,0sleep20-21swapper/210:51:112
305602140,0sleep00-21swapper/011:17:350
22607991414,0cyclictest241ktimersoftd/110:11:051
22607991413,1cyclictest31020-21kworker/1:411:19:391
22607991413,1cyclictest12199-21kworker/1:111:02:291
22607991413,0cyclictest9038-21lspci09:36:081
22607991413,0cyclictest25053-21kworker/1:111:29:431
22607991413,0cyclictest20264-21kworker/1:410:48:381
22607991412,1cyclictest18556-21kworker/1:010:57:181
2260499140,12cyclictest9584-21diskstats07:55:120
190362140,0sleep00-21swapper/010:54:200
162552140,1sleep016260-21bash11:05:140
48782130,0sleep10-21swapper/112:16:481
252672130,0sleep019034-1kworker/0:2H10:21:370
22609991313,0cyclictest75750irq/24-eno1-rx-12:30:053
2260999130,1cyclictest27924-21lspci10:08:053
2260899130,1cyclictest0-21swapper/209:34:462
2260899130,12cyclictest15072-21sshd09:39:272
2260799136,1cyclictest25-21ksoftirqd/110:19:341
22607991313,0cyclictest31020-21kworker/1:411:40:371
22607991313,0cyclictest22503-21kworker/1:112:37:401
22607991313,0cyclictest18411-21kworker/1:107:20:181
22607991312,0cyclictest32034-21lspci10:35:581
22607991312,0cyclictest10754-21kworker/1:109:58:111
2260999120,1cyclictest27803-21grep10:13:363
2260999120,11cyclictest622-13audispd11:24:263
2260999120,11cyclictest0-21swapper/311:48:163
2260999120,11cyclictest0-21swapper/311:43:363
2260999120,11cyclictest0-21swapper/311:06:563
2260999120,11cyclictest0-21swapper/310:26:463
2260999120,11cyclictest0-21swapper/309:32:553
22608991210,1cyclictest1-21systemd12:17:462
2260899120,1cyclictest15161-21sshd10:04:172
2260899120,11cyclictest0-21swapper/210:42:372
2260799123,1cyclictest25-21ksoftirqd/112:08:231
22607991212,0cyclictest241ktimersoftd/108:06:381
22607991212,0cyclictest17613-21kworker/1:309:20:041
22607991211,0cyclictest31473-21kworker/1:208:50:151
2260799120,9cyclictest20346-21kworker/1:010:08:311
2260799120,11cyclictest0-21swapper/110:52:321
164902120,1sleep016483-21sshd12:18:040
152762120,1sleep09-21ksoftirqd/012:10:430
2260999119,1cyclictest0-21swapper/312:20:263
22609991110,0cyclictest0-21swapper/311:04:553
2260999110,10cyclictest0-21swapper/311:50:353
2260999110,10cyclictest0-21swapper/310:04:163
2260899110,1cyclictest21280-21sshd09:59:162
2260899110,10cyclictest0-21swapper/212:22:472
2260899110,10cyclictest0-21swapper/211:27:362
2260799112,3cyclictest699-21gdbus11:31:091
2260799111,3cyclictest674-21dbus-daemon10:01:401
2260799111,1cyclictest25-21ksoftirqd/111:06:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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