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2026-06-09 - 01:02
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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 792 highest latencies:
System rackeslot2.osadl.org (updated Mon Jun 08, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
380891221060,1sleep00-21swapper/010:45:310
392258721050,2sleep13922560-21ssh12:00:351
351780799251,19cyclictest3661916-21irqstats09:05:310
3517807992412,7cyclictest0-21swapper/012:15:330
351780799229,8cyclictest0-21swapper/012:25:020
3517807992213,8cyclictest3689702-21tail09:25:280
3517807992213,8cyclictest0-21swapper/011:15:010
3517807992213,5cyclictest3666369-21diskmemload10:15:400
3517807992211,7cyclictest0-21swapper/009:50:020
3517808992118,2cyclictest3593064-21/usr/sbin/munin08:10:011
3517808992113,2cyclictest67250irq/126-eno109:15:261
351780799216,10cyclictest0-21swapper/009:50:280
3517807992116,4cyclictest3858146-21sh11:20:000
3517807992111,9cyclictest0-21swapper/011:05:010
3517807992111,9cyclictest0-21swapper/010:45:020
351780799209,10cyclictest0-21swapper/011:50:240
351780799206,10cyclictest0-21swapper/011:40:330
3517807992015,4cyclictest3755013-21sh10:10:020
3517807992014,4cyclictest3517930-21systemd07:10:020
3517808991917,1cyclictest0-21swapper/111:10:361
3517808991912,3cyclictest3517805-21cyclictest10:30:021
351780799195,9cyclictest0-21swapper/009:35:000
351780799195,2cyclictest492398rtkit-daemon12:39:270
3517807991914,4cyclictest693-21systemd-logind10:40:020
3517807991914,4cyclictest3939307-21idleruntime-cro12:15:010
3517807991914,4cyclictest3917400-21systemd-run12:00:020
3517807991914,4cyclictest3887806-21apt-key11:40:010
3517807991914,4cyclictest3524467-21kthreadcore07:15:020
3517807991914,4cyclictest0-21swapper/011:10:020
3517807991914,4cyclictest0-21swapper/010:05:020
3517807991913,5cyclictest3547980-21kthreadcore07:30:330
351780799191,1cyclictest3550837-21apt-get07:35:250
3517808991815,2cyclictest3947324-21aten2.4-expect12:20:281
3517808991815,2cyclictest3587046-21systemd-run08:05:011
3517808991815,2cyclictest3517805-21cyclictest09:10:011
3517808991812,2cyclictest67250irq/126-eno111:20:001
351780799189,5cyclictest3666369-21diskmemload09:35:240
351780799188,2cyclictest3733120-21/usr/sbin/munin09:55:390
351780799188,2cyclictest0-21swapper/011:25:300
351780799186,7cyclictest0-21swapper/009:20:310
351780799181,9cyclictest3625789-21kthreadcore08:35:320
351780799181,9cyclictest3612299-21expr08:25:270
351780799181,7cyclictest0-21swapper/008:30:320
3517807991814,3cyclictest3937-21cron08:45:010
3517807991813,4cyclictest765-1atopacctd10:30:290
3517807991813,4cyclictest3825219-21kthreadcore10:55:340
3517807991813,4cyclictest3784519-21systemd10:30:030
3517807991813,4cyclictest3517805-21cyclictest12:32:370
3517807991813,4cyclictest1247-21mta-sts-daemon09:16:210
3517807991813,4cyclictest1237-21mta-sts-daemon08:05:340
3517807991812,5cyclictest3921232-21kthreadcore12:00:330
3517807991812,5cyclictest3880329-21systemd-run11:35:010
351780799180,4cyclictest191rcu_preempt07:25:380
3153791180,1phc2sys0-21swapper/310:11:493
3517809991715,1cyclictest0-21swapper/212:05:012
3517809991714,1cyclictest0-21swapper/209:25:232
3517809991714,1cyclictest0-21swapper/208:00:012
3517808991714,2cyclictest765-1atopacctd07:30:381
3517808991714,2cyclictest3976572-21systemctl12:40:021
3517808991714,2cyclictest3769748-21systemd-run10:20:021
3517808991714,2cyclictest3762141-21basename10:15:011
3517808991714,2cyclictest3691331-21kthreadcore09:25:311
3517808991714,2cyclictest3599667-21acpi08:15:241
3517808991714,2cyclictest3524485-21kthreadcore07:15:021
3517808991714,2cyclictest0-21swapper/110:45:031
3517808991713,3cyclictest3558173-21irqrtprio07:40:321
3517808991712,3cyclictest3705432-21kthreadcore09:35:331
3517808991711,2cyclictest3728614-21kthreadcore09:50:321
351780799176,7cyclictest0-21swapper/010:50:340
351780799175,11cyclictest3775062-21ssh10:20:350
351780799174,8cyclictest0-21swapper/010:10:350
351780799173,2cyclictest492398rtkit-daemon07:45:310
351780799173,2cyclictest492398rtkit-daemon07:45:310
351780799172,6cyclictest3896707-21cut11:45:320
3517807991712,4cyclictest3658874-21kthreadcore09:00:320
3517807991712,4cyclictest3599966-21cpuspeed_turbos08:15:260
3517807991712,4cyclictest3560068-21kthreadcore07:40:330
351780799171,15cyclictest3961395-21ls12:30:010
3517807991711,5cyclictest3711157-21aten_repower_fr09:40:240
3517807991711,5cyclictest3650149-21kthreadcore08:55:320
351780799170,9cyclictest3532575-21/usr/sbin/munin07:20:310
351780799170,9cyclictest3531373-21ps07:15:350
351780799170,8cyclictest3860691-21grep11:20:330
3153791170,2phc2sys0-21swapper/309:30:283
3517809991614,1cyclictest0-21swapper/211:45:022
3517809991613,1cyclictest0-21swapper/210:20:352
3517809991613,1cyclictest0-21swapper/208:40:252
3517809991612,2cyclictest0-21swapper/212:20:272
351780899162,13cyclictest351ktimers/111:30:001
351780899161,9cyclictest2986440-1atop07:10:021
3517808991613,2cyclictest660-21dbus-daemon12:10:031
3517808991613,2cyclictest3955070-21df_inode12:25:281
3517808991613,2cyclictest3814025-21munin-plugin-st10:50:011
3517808991613,2cyclictest3776563-21sh10:23:541
3517808991613,2cyclictest3734010-21if_enp1s0.809:55:311
3517808991613,2cyclictest3686841-21cat09:20:381
3517808991613,2cyclictest3556579-21latency_hist07:40:011
3517808991613,2cyclictest0-21swapper/111:05:021
3517808991613,2cyclictest0-21swapper/108:30:021
351780899161,10cyclictest3887514-21apt11:40:011
351780799167,1cyclictest0-21swapper/012:05:280
351780799165,7cyclictest0-21swapper/009:10:280
351780799165,4cyclictest0-21swapper/008:00:240
351780799164,2cyclictest0-21swapper/008:45:250
351780799161,7cyclictest3576704-21kthreadcore07:55:330
351780799161,7cyclictest3569345-21grep07:50:260
351780799161,7cyclictest3569345-21grep07:50:260
3517807991611,4cyclictest3642600-21aten_repower_vo08:50:270
3517807991610,5cyclictest3608700-21kthreadcore08:20:330
3517807991610,5cyclictest3594213-21fschecks_count08:10:270
3153791160,3phc2sys0-21swapper/312:32:053
3153791160,1phc2sys0-21swapper/311:24:443
3517809991513,1cyclictest0-21swapper/210:35:352
3517809991513,1cyclictest0-21swapper/208:10:262
3517809991513,1cyclictest0-21swapper/207:15:032
3517809991513,1cyclictest0-21swapper/207:15:022
3517809991512,1cyclictest0-21swapper/211:10:282
3517809991512,1cyclictest0-21swapper/211:05:262
3517809991512,1cyclictest0-21swapper/210:00:262
3517809991512,1cyclictest0-21swapper/209:15:492
3517809991512,1cyclictest0-21swapper/208:25:012
3517809991512,1cyclictest0-21swapper/207:45:292
3517809991512,1cyclictest0-21swapper/207:45:292
3517809991511,2cyclictest0-21swapper/209:10:322
351780899158,4cyclictest1246-21mta-sts-daemon07:45:291
351780899158,4cyclictest1246-21mta-sts-daemon07:45:291
351780899158,3cyclictest3751465-21kthreadcore10:05:331
3517808991513,2cyclictest351ktimers/109:47:121
3517808991512,2cyclictest671-21polkitd11:45:071
3517808991512,2cyclictest4922-21rtkit-daemon11:33:531
3517808991512,2cyclictest3967480-21grep12:30:381
3517808991512,2cyclictest3944041-21kthreadcore12:15:341
3517808991512,2cyclictest3904067-21sed11:50:301
3517808991512,2cyclictest3893088-21missed_timers11:40:371
3517808991512,2cyclictest3716138-21mailstats09:40:351
3517808991512,2cyclictest3639173-21kthreadcore08:45:321
3517808991512,2cyclictest3624960-21tail08:35:291
3517808991512,2cyclictest1-21systemd12:00:011
3517808991512,2cyclictest0-21swapper/107:55:011
3517808991512,2cyclictest0-21swapper/107:55:011
3517808991511,3cyclictest3527786-21kthreadcore07:15:311
3517808991510,2cyclictest1246-21mta-sts-daemon10:56:591
351780899150,14cyclictest0-21swapper/111:05:281
3153791150,2phc2sys0-21swapper/309:42:343
3153791150,1phc2sys0-21swapper/312:38:223
3153791150,1phc2sys0-21swapper/312:10:493
35517162140,2sleep30-21swapper/307:35:313
351780999149,1cyclictest0-21swapper/211:20:092
3517809991412,1cyclictest0-21swapper/211:55:322
3517809991412,1cyclictest0-21swapper/211:35:022
3517809991412,1cyclictest0-21swapper/210:45:272
3517809991412,1cyclictest0-21swapper/210:10:262
3517809991412,1cyclictest0-21swapper/210:10:022
3517809991412,1cyclictest0-21swapper/209:50:252
3517809991412,1cyclictest0-21swapper/209:35:332
3517809991412,1cyclictest0-21swapper/208:35:272
3517809991412,1cyclictest0-21swapper/207:40:252
3517809991412,1cyclictest0-21swapper/207:30:292
3517809991412,1cyclictest0-21swapper/207:10:012
3517809991411,1cyclictest0-21swapper/212:35:312
3517809991411,1cyclictest0-21swapper/212:30:262
3517809991411,1cyclictest0-21swapper/212:10:322
3517809991411,1cyclictest0-21swapper/211:25:302
3517809991411,1cyclictest0-21swapper/210:50:302
3517809991411,1cyclictest0-21swapper/210:15:252
3517809991411,1cyclictest0-21swapper/209:05:272
3517809991411,1cyclictest0-21swapper/208:55:242
3517809991411,1cyclictest0-21swapper/208:50:322
3517809991411,1cyclictest0-21swapper/208:45:312
3517809991411,1cyclictest0-21swapper/208:25:322
3517809991411,1cyclictest0-21swapper/207:35:272
3517809991411,1cyclictest0-21swapper/207:25:312
3517808991411,2cyclictest3933710-21kthreadcore12:10:311
3517808991411,2cyclictest3816287-21kthreadcore10:50:321
3517808991411,2cyclictest3790149-21unixbench_singl10:30:401
3517808991411,2cyclictest3697265-21irqcore09:30:291
3517808991411,2cyclictest3657885-21kthreadcore09:00:321
3517808991411,2cyclictest3653452-21sendmail_mailqu08:55:361
3517808991411,2cyclictest3642710-21cpuspeed_turbos08:50:281
3517808991411,2cyclictest3633111-21kthreadcore08:40:331
3517808991411,2cyclictest3576012-21grep07:55:321
3517808991411,2cyclictest3543381-21missed_timers07:25:351
3517808991411,2cyclictest1246-21mta-sts-daemon07:20:391
3517808991411,2cyclictest1242-21mta-sts-daemon09:13:421
3517808991411,2cyclictest1237-21mta-sts-daemon11:24:001
3517808991411,2cyclictest0-21swapper/110:35:401
3517808991410,3cyclictest3618684-21fschecks_count08:30:271
3153791140,2phc2sys0-21swapper/309:45:243
3153791140,2phc2sys0-21swapper/309:36:213
3153791140,2phc2sys0-21swapper/307:25:033
3153791140,1phc2sys0-21swapper/310:02:543
3517809991311,1cyclictest0-21swapper/212:25:322
3517809991311,1cyclictest0-21swapper/212:15:272
3517809991311,1cyclictest0-21swapper/211:50:312
3517809991311,1cyclictest0-21swapper/211:50:032
3517809991311,1cyclictest0-21swapper/211:35:332
3517809991311,1cyclictest0-21swapper/211:15:052
3517809991311,1cyclictest0-21swapper/211:00:342
3517809991311,1cyclictest0-21swapper/210:55:332
3517809991311,1cyclictest0-21swapper/209:55:382
3517809991311,1cyclictest0-21swapper/209:45:322
3517809991311,1cyclictest0-21swapper/209:40:312
3517809991311,1cyclictest0-21swapper/209:30:282
3517809991311,1cyclictest0-21swapper/209:00:252
3517809991311,1cyclictest0-21swapper/208:15:312
3517809991311,1cyclictest0-21swapper/208:00:252
3517809991311,1cyclictest0-21swapper/207:50:262
3517809991311,1cyclictest0-21swapper/207:50:262
3517809991311,1cyclictest0-21swapper/207:20:322
3517809991310,1cyclictest0-21swapper/210:40:302
3517809991310,1cyclictest0-21swapper/210:30:332
3517809991310,1cyclictest0-21swapper/208:05:312
3517808991310,2cyclictest3741942-21kthreadcore10:00:311
3517808991310,2cyclictest3610642-21processes08:20:361
3517808991310,2cyclictest3594501-21sort08:10:291
3153791130,3phc2sys0-21swapper/312:24:353
3153791130,1phc2sys0-21swapper/311:14:413
3153791130,1phc2sys0-21swapper/310:51:413
351780999129,1cyclictest0-21swapper/209:20:222
3517809991210,1cyclictest0-21swapper/212:08:122
3517809991210,1cyclictest0-21swapper/210:25:332
3517809991210,1cyclictest0-21swapper/208:30:312
3153791125,1phc2sys0-21swapper/312:08:483
3153791123,1phc2sys0-21swapper/312:03:033
3153791121,2phc2sys0-21swapper/310:45:363
3153791120,3phc2sys0-21swapper/310:42:483
3153791120,2phc2sys0-21swapper/312:26:363
3153791120,1phc2sys0-21swapper/311:48:363
3153791120,1phc2sys0-21swapper/311:44:193
3153791120,1phc2sys0-21swapper/311:32:093
3153791120,1phc2sys0-21swapper/311:03:243
3153791120,1phc2sys0-21swapper/310:28:253
3153791120,1phc2sys0-21swapper/309:59:403
3153791120,1phc2sys0-21swapper/308:04:023
3153791111,2phc2sys0-21swapper/312:15:253
3153791111,2phc2sys0-21swapper/309:10:253
3153791110,3phc2sys0-21swapper/307:05:273
3153791110,2phc2sys0-21swapper/310:20:243
3153791110,2phc2sys0-21swapper/308:25:253
3153791110,2phc2sys0-21swapper/308:10:273
3153791110,2phc2sys0-21swapper/307:58:363
3153791110,2phc2sys0-21swapper/307:40:263
3153791110,1phc2sys0-21swapper/311:37:543
3153791110,1phc2sys0-21swapper/311:29:093
3153791110,1phc2sys0-21swapper/310:31:183
3153791101,4phc2sys0-21swapper/307:18:313
3153791101,2phc2sys0-21swapper/308:50:263
3153791100,6phc2sys3666080-21chrt09:06:233
3153791100,2phc2sys0-21swapper/311:50:053
3153791100,2phc2sys0-21swapper/310:56:143
3153791100,2phc2sys0-21swapper/309:25:243
3153791100,2phc2sys0-21swapper/308:05:263
3153791100,1phc2sys0-21swapper/311:57:023
3153791100,1phc2sys0-21swapper/308:40:563
3153791100,1phc2sys0-21swapper/308:19:203
315379192,2phc2sys0-21swapper/307:25:303
315379191,3phc2sys0-21swapper/308:45:243
315379191,2phc2sys0-21swapper/309:16:143
315379191,1phc2sys0-21swapper/310:05:243
315379191,1phc2sys0-21swapper/308:35:273
315379191,1phc2sys0-21swapper/307:10:273
315379190,2phc2sys0-21swapper/311:05:323
315379190,2phc2sys0-21swapper/310:35:263
315379190,2phc2sys0-21swapper/308:25:013
315379190,2phc2sys0-21swapper/307:50:273
315379190,2phc2sys0-21swapper/307:50:273
315379190,1phc2sys0-21swapper/310:16:503
315379190,1phc2sys0-21swapper/309:50:213
315379190,1phc2sys0-21swapper/309:22:233
315379190,1phc2sys0-21swapper/307:30:363
315379181,2phc2sys0-21swapper/309:00:073
315379181,1phc2sys0-21swapper/308:30:263
315379181,1phc2sys0-21swapper/307:45:263
315379181,1phc2sys0-21swapper/307:45:263
315379180,2phc2sys0-21swapper/311:15:263
315379180,2phc2sys0-21swapper/308:55:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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