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2026-07-08 - 17:44
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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 highest latencies:
System rackeslot2.osadl.org (updated Wed Jul 08, 2026 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
78700921090,2sleep1752931-21cyclictest07:39:451
118205921020,2sleep11182060-21kthreadcore12:19:471
7582262840,1sleep10-21swapper/107:14:481
11474982760,1sleep01147496-21ssh11:57:260
8343762330,2sleep30-21swapper/308:15:013
75293399257,13cyclictest0-21swapper/011:24:400
11870502250,2sleep20-21swapper/212:24:452
752935992314,3cyclictest0-21swapper/207:24:402
75293399227,6cyclictest0-21swapper/010:50:010
752933992219,2cyclictest865375-21gpgconf08:40:010
752933992212,5cyclictest0-21swapper/012:20:010
75293399221,12cyclictest1-21systemd07:20:000
752935992118,1cyclictest0-21swapper/209:25:012
752934992114,3cyclictest911851-21gltestperf09:19:431
752934992114,3cyclictest1063496-21kthreadcore10:59:471
752934992114,2cyclictest492398rtkit-daemon11:20:381
752933992110,6cyclictest0-21swapper/010:17:410
492398210,4rtkit-daemon1237-21mta-sts-daemon08:28:581
752935992017,1cyclictest0-21swapper/211:46:412
752935992017,1cyclictest0-21swapper/210:45:012
75293399209,6cyclictest0-21swapper/011:28:260
75293399209,5cyclictest0-21swapper/009:30:010
752933992017,2cyclictest889690-21wc09:00:000
752933992016,3cyclictest781-21gmain08:10:010
752933992011,4cyclictest858489-21cat08:34:510
75293399201,14cyclictest1173911-21cut12:14:470
3153791200,2phc2sys0-21swapper/309:55:013
3153791200,2phc2sys0-21swapper/307:29:463
752935991916,1cyclictest0-21swapper/210:25:002
752935991916,1cyclictest0-21swapper/208:25:032
75293599190,9cyclictest0-21swapper/210:50:012
752934991916,2cyclictest865578-21grep08:40:021
752934991916,2cyclictest859205-21sh08:35:011
752934991916,2cyclictest809772-21cron07:55:011
752934991916,2cyclictest752931-21cyclictest12:14:531
752934991916,2cyclictest1-21systemd08:05:011
752934991916,2cyclictest1192340-21dpkg-deb12:28:131
752934991913,2cyclictest67250irq/126-eno112:10:021
752934991911,3cyclictest0-21swapper/110:45:411
752934991910,3cyclictest950977-21kthreadcore09:44:471
75293399198,6cyclictest0-21swapper/012:08:400
75293399198,6cyclictest0-21swapper/009:24:420
752933991917,1cyclictest961203-21latency_hist09:50:020
752933991916,2cyclictest945036-21kthreadcore09:40:020
752933991914,4cyclictest872784-21sort08:49:430
3153791191,8phc2sys0-21swapper/312:39:373
3153791190,2phc2sys0-21swapper/311:24:243
752935991816,1cyclictest0-21swapper/209:50:022
752935991815,1cyclictest0-21swapper/212:00:012
75293599181,13cyclictest0-21swapper/211:19:382
752934991814,2cyclictest0-21swapper/109:55:021
752934991811,6cyclictest1237-21mta-sts-daemon08:44:511
752934991811,3cyclictest973178-21kthreadcore09:59:471
752934991811,3cyclictest1190084-21grep12:24:481
75293399188,5cyclictest0-21swapper/010:09:530
752933991815,2cyclictest752931-21cyclictest08:55:010
752933991815,2cyclictest1039732-21kthreadcore10:44:450
752933991815,2cyclictest1015661-21grep10:29:410
752933991815,2cyclictest0-21swapper/011:15:010
752933991815,2cyclictest0-21swapper/009:40:030
752933991814,2cyclictest0-21swapper/012:28:050
752935991715,1cyclictest0-21swapper/207:15:022
752935991714,1cyclictest0-21swapper/211:55:002
752935991714,1cyclictest0-21swapper/210:59:462
752935991714,1cyclictest0-21swapper/207:35:022
752935991713,2cyclictest0-21swapper/210:32:532
752935991713,2cyclictest0-21swapper/209:37:402
75293499171,5cyclictest889705-21munin-plugin-st09:00:001
752934991714,2cyclictest961125-21/usr/sbin/munin09:50:011
752934991714,2cyclictest0-21swapper/111:20:021
752934991713,3cyclictest1094821-21kworker/u16:0+nfsiod11:34:411
752934991712,4cyclictest1080147-21kworker/u16:2-nfsiod11:44:421
75293399178,4cyclictest0-21swapper/011:40:020
75293399173,12cyclictest1142629-21tr11:54:460
752933991715,1cyclictest0-21swapper/010:25:000
752933991714,2cyclictest871526-21cut08:45:000
752933991714,2cyclictest1205891-21wc12:35:010
752933991714,2cyclictest1094645-21cron11:20:010
752933991714,2cyclictest0-21swapper/007:15:010
752933991713,3cyclictest979654-21kthreadcore10:04:450
752933991713,2cyclictest0-21swapper/012:05:020
752933991711,5cyclictest1114943-21kthreadcore11:34:450
752933991711,5cyclictest0-21swapper/012:36:190
492398170,4rtkit-daemon1242-21mta-sts-daemon07:09:421
3153791172,2phc2sys0-21swapper/310:09:323
3153791171,5phc2sys0-21swapper/309:26:523
752935991614,1cyclictest0-21swapper/209:20:012
752935991614,1cyclictest0-21swapper/209:15:022
752935991613,1cyclictest0-21swapper/211:42:042
752935991613,1cyclictest0-21swapper/210:10:022
752935991613,1cyclictest0-21swapper/209:45:022
752935991613,1cyclictest0-21swapper/208:40:012
752935991612,2cyclictest0-21swapper/212:09:382
752935991612,2cyclictest0-21swapper/209:10:022
752935991612,1cyclictest0-21swapper/209:00:002
75293499169,2cyclictest0-21swapper/109:40:031
75293499166,2cyclictest67250irq/126-eno110:29:371
752934991613,2cyclictest840443-21systemd-run08:20:011
752934991613,2cyclictest785717-21latency_hist07:35:021
752934991613,2cyclictest693-21systemd-logind08:15:021
752934991613,2cyclictest4922-21rtkit-daemon08:53:391
752934991613,2cyclictest1174-21ntpd10:54:531
752934991613,2cyclictest1153891-21latency_hist12:00:011
752934991613,2cyclictest1079880-21latency_hist11:10:011
752934991613,2cyclictest1021861-21sh10:33:121
752934991613,2cyclictest0-21swapper/110:15:011
752934991612,3cyclictest891655-21kernelversion09:04:451
752934991612,3cyclictest765-1atopacctd09:25:011
752934991610,2cyclictest67250irq/126-eno111:03:061
75293399161,3cyclictest901792-21cron09:10:000
752933991613,2cyclictest840543-21cut08:20:020
752933991613,2cyclictest1127440-21kthreadcore11:44:450
752933991613,2cyclictest1072422-21grep11:04:540
752933991612,3cyclictest1242-21mta-sts-daemon10:11:030
752933991612,3cyclictest1237-21mta-sts-daemon12:23:580
3153791160,2phc2sys0-21swapper/310:56:183
3153791160,1phc2sys0-21swapper/312:27:563
3153791160,1phc2sys0-21swapper/311:01:073
752935991513,1cyclictest0-21swapper/210:15:022
752935991513,1cyclictest0-21swapper/209:55:032
752935991513,1cyclictest0-21swapper/208:30:012
752935991512,2cyclictest0-21swapper/207:39:452
752935991512,1cyclictest0-21swapper/212:26:502
752935991512,1cyclictest0-21swapper/211:37:072
752935991512,1cyclictest0-21swapper/211:14:462
752935991512,1cyclictest0-21swapper/211:06:552
752935991512,1cyclictest0-21swapper/210:39:512
752935991512,1cyclictest0-21swapper/209:34:482
752935991512,1cyclictest0-21swapper/208:35:012
752935991512,1cyclictest0-21swapper/208:20:032
75293599151,1cyclictest0-21swapper/209:04:382
75293499159,5cyclictest1080147-21kworker/u16:2-events_power_efficient11:35:331
75293499159,4cyclictest1107099-21cut11:29:451
75293499157,3cyclictest0-21swapper/109:34:481
752934991513,1cyclictest1247-21mta-sts-daemon12:37:411
752934991512,2cyclictest765-1atopacctd10:22:411
752934991512,2cyclictest765-1atopacctd09:29:391
752934991512,2cyclictest693-21systemd-logind11:15:021
752934991512,2cyclictest4922-21rtkit-daemon11:45:071
752934991512,2cyclictest1237-21mta-sts-daemon08:09:331
752934991512,2cyclictest0-21swapper/110:40:021
752934991511,2cyclictest811042-21fschecks_count07:59:421
75293499151,10cyclictest1037158-21ssh10:44:371
752934991510,4cyclictest766394-21cut07:19:471
752934991510,2cyclictest1242-21mta-sts-daemon10:15:361
75293499150,11cyclictest983971-21ssh10:05:271
75293399158,6cyclictest0-21swapper/009:34:450
75293399155,5cyclictest0-21swapper/008:13:460
752933991512,2cyclictest909421-21cut09:15:020
752933991512,2cyclictest779525-21systemd07:30:010
752933991512,2cyclictest4922-21rtkit-daemon09:53:080
752933991512,2cyclictest1057535-21grep10:54:540
752933991511,3cyclictest807600-21kthreadcore07:54:480
75293399150,9cyclictest1134192-21perl11:49:420
3153791151,3phc2sys0-21swapper/310:22:233
3153791150,2phc2sys0-21swapper/309:15:213
752935991412,1cyclictest0-21swapper/208:53:402
752935991412,1cyclictest0-21swapper/207:45:022
752935991411,1cyclictest0-21swapper/212:34:412
752935991411,1cyclictest0-21swapper/212:14:462
752935991411,1cyclictest0-21swapper/211:33:382
752935991411,1cyclictest0-21swapper/210:54:492
752935991411,1cyclictest0-21swapper/210:30:012
752935991411,1cyclictest0-21swapper/209:27:392
752935991411,1cyclictest0-21swapper/207:25:382
752935991410,2cyclictest0-21swapper/210:00:032
75293599140,8cyclictest0-21swapper/208:50:012
75293499147,5cyclictest274-21systemd-journal12:05:001
752934991411,2cyclictest845321-21kthreadcore08:24:461
752934991411,2cyclictest1237-21mta-sts-daemon08:48:001
752934991411,2cyclictest1-21systemd07:42:391
752934991411,2cyclictest1200887-21cut12:34:411
752934991411,2cyclictest1146071-21switchtime11:54:521
75293499140,2cyclictest909220-21idleruntime-cro09:15:001
75293399149,4cyclictest675-21mta-sts-daemon07:44:330
75293399147,3cyclictest901798-21diskmemload09:56:360
75293399146,4cyclictest0-21swapper/007:49:400
75293399145,5cyclictest0-21swapper/007:31:540
75293399145,4cyclictest0-21swapper/009:16:090
752933991411,2cyclictest848395-21kthreadcore08:29:430
752933991411,2cyclictest772909-21sendmail_mailqu07:24:510
752933991411,2cyclictest752931-21cyclictest10:39:470
752933991411,2cyclictest1242-21mta-sts-daemon11:06:270
752933991411,2cyclictest1062193-21kthreadcore10:59:460
3153791141,1phc2sys0-21swapper/308:00:043
3153791140,2phc2sys0-21swapper/312:31:493
3153791140,2phc2sys0-21swapper/311:39:393
3153791140,2phc2sys0-21swapper/309:03:563
3153791140,1phc2sys0-21swapper/308:06:373
11329542140,5sleep30-21swapper/311:48:043
752935991311,1cyclictest0-21swapper/211:27:442
752935991311,1cyclictest0-21swapper/211:25:032
752935991311,1cyclictest0-21swapper/210:20:022
752935991311,1cyclictest0-21swapper/210:01:152
752935991311,1cyclictest0-21swapper/208:14:422
752935991310,1cyclictest0-21swapper/212:19:442
752935991310,1cyclictest0-21swapper/212:04:452
752935991310,1cyclictest0-21swapper/208:44:402
752935991310,1cyclictest0-21swapper/208:04:492
752935991310,1cyclictest0-21swapper/207:54:532
752935991310,1cyclictest0-21swapper/207:10:012
75293499138,4cyclictest765-1atopacctd07:47:091
75293499138,4cyclictest752931-21cyclictest07:25:551
75293499136,6cyclictest1246-21mta-sts-daemon09:09:391
75293499135,3cyclictest916675-21kworker/1:2+events_freezable10:04:441
752934991310,2cyclictest770770-21tr07:24:471
752933991311,1cyclictest786325-21aten2.4-expect07:39:410
752933991311,1cyclictest1246-21mta-sts-daemon07:58:140
752933991310,2cyclictest599-17auditd10:30:200
752933991310,2cyclictest274-21systemd-journal09:00:410
492398130,3rtkit-daemon1242-21mta-sts-daemon08:04:320
3153791139,2phc2sys0-21swapper/311:08:343
3153791130,4phc2sys0-21swapper/307:14:393
3153791130,3phc2sys0-21swapper/310:18:493
3153791130,2phc2sys0-21swapper/312:18:143
3153791130,2phc2sys0-21swapper/312:09:183
3153791130,2phc2sys0-21swapper/311:34:143
3153791130,2phc2sys0-21swapper/311:17:553
3153791130,2phc2sys0-21swapper/310:40:513
3153791130,2phc2sys0-21swapper/310:02:033
3153791130,2phc2sys0-21swapper/309:20:393
3153791130,1phc2sys0-21swapper/309:48:393
3153791130,1phc2sys0-21swapper/309:08:563
75293599129,1cyclictest0-21swapper/212:35:192
752935991210,1cyclictest0-21swapper/211:04:442
752935991210,1cyclictest0-21swapper/208:10:012
752935991210,1cyclictest0-21swapper/207:49:382
752935991210,1cyclictest0-21swapper/207:19:462
75293399127,4cyclictest1247-21mta-sts-daemon08:23:480
75293399125,2cyclictest17750irq/132-ahci[0000:00:17.0]07:10:010
3153791121,2phc2sys0-21swapper/310:10:163
3153791120,2phc2sys0-21swapper/311:12:083
3153791120,2phc2sys0-21swapper/309:40:313
75293599119,1cyclictest0-21swapper/207:59:462
3153791111,3phc2sys0-21swapper/308:19:393
3153791111,2phc2sys0-21swapper/311:44:443
3153791111,2phc2sys0-21swapper/311:27:523
3153791111,2phc2sys0-21swapper/309:59:383
3153791110,2phc2sys0-21swapper/312:14:413
3153791110,2phc2sys0-21swapper/311:58:423
3153791110,2phc2sys0-21swapper/309:38:053
3153791110,2phc2sys0-21swapper/308:29:383
3153791110,2phc2sys0-21swapper/307:57:463
3153791110,1phc2sys0-21swapper/310:55:023
3153791110,1phc2sys0-21swapper/308:59:033
3153791110,1phc2sys0-21swapper/307:47:063
3153791110,1phc2sys0-21swapper/307:44:263
3153791110,1phc2sys0-21swapper/307:37:403
10223302110,7sleep30-21swapper/310:34:373
3153791102,2phc2sys0-21swapper/308:49:453
3153791101,2phc2sys0-21swapper/309:10:573
3153791101,2phc2sys0-21swapper/308:44:443
3153791101,2phc2sys0-21swapper/307:09:423
3153791100,2phc2sys0-21swapper/312:01:593
3153791100,2phc2sys0-21swapper/311:50:493
3153791100,2phc2sys0-21swapper/310:49:453
3153791100,2phc2sys0-21swapper/310:39:393
3153791100,2phc2sys0-21swapper/309:33:093
3153791100,2phc2sys0-21swapper/307:51:323
315379191,2phc2sys0-21swapper/308:53:103
315379191,2phc2sys0-21swapper/307:23:333
315379190,2phc2sys0-21swapper/312:20:033
315379190,2phc2sys0-21swapper/310:25:273
315379190,2phc2sys0-21swapper/308:39:433
315379190,2phc2sys0-21swapper/308:30:383
315379190,2phc2sys0-21swapper/308:20:043
315379190,2phc2sys0-21swapper/307:30:023
315379190,2phc2sys0-21swapper/307:15:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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