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2026-07-11 - 20:00
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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 Sat Jul 11, 2026 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
263675422020,2sleep30-21swapper/312:10:003
259426722000,2sleep30-21swapper/311:44:353
248811621800,2sleep30-21swapper/310:29:483
228060221540,2sleep30-21swapper/307:59:403
246007421500,2sleep30-21swapper/310:12:293
258456621040,1sleep10-21swapper/111:34:471
26198192920,1sleep00-21swapper/011:59:430
24766732320,2sleep12476520-21ssh10:24:411
2221449992514,7cyclictest2393878-21/usr/sbin/munin09:29:430
2221450992317,2cyclictest67250irq/126-eno109:39:281
2221449992313,6cyclictest0-21swapper/012:29:430
2221449992212,6cyclictest0-21swapper/012:35:010
222144999220,18cyclictest2242589-21/usr/sbin/munin07:29:470
2221451992118,1cyclictest0-21swapper/208:25:012
2221450992118,2cyclictest2503778-21/usr/sbin/munin10:40:011
2221449992118,2cyclictest2436380-21/usr/sbin/munin09:55:010
2221450992017,2cyclictest660-21dbus-daemon10:00:021
2221450992017,2cyclictest2377309-21idleruntime-cro09:15:001
2221450992012,3cyclictest2678004-21kthreadcore12:39:421
222144999209,6cyclictest0-21swapper/009:14:520
222144999205,5cyclictest0-21swapper/010:14:380
2221449992017,2cyclictest2392079-21dump-pmu-power09:25:010
2221449992011,8cyclictest0-21swapper/010:04:360
2221449992011,5cyclictest2221447-21cyclictest10:54:430
2221449992011,5cyclictest0-21swapper/011:44:440
2221449992010,6cyclictest0-21swapper/009:34:480
2221449992010,5cyclictest0-21swapper/011:46:530
3153791190,14phc2sys0-21swapper/311:19:063
2221450991916,2cyclictest2466407-21awk10:15:001
2221450991916,2cyclictest2429127-21/usr/sbin/munin09:50:021
2221450991916,2cyclictest2221459-21systemd-run07:10:011
2221450991914,3cyclictest781-21gmain08:20:031
2221450991913,2cyclictest0-21swapper/111:30:021
222144999198,6cyclictest0-21swapper/011:54:360
222144999192,9cyclictest660-21dbus-daemon10:00:010
2221449991916,2cyclictest2473752-21ssh10:20:000
2221449991912,6cyclictest0-21swapper/011:25:030
2221449991911,7cyclictest0-21swapper/012:10:010
2221449991911,4cyclictest0-21swapper/012:20:020
3153791180,2phc2sys0-21swapper/309:43:093
3153791180,1phc2sys0-21swapper/311:23:243
2221451991816,1cyclictest0-21swapper/209:55:012
2221451991815,1cyclictest0-21swapper/212:40:012
2221451991815,1cyclictest0-21swapper/211:30:012
2221451991815,1cyclictest0-21swapper/211:25:012
2221450991815,2cyclictest2592662-21cut11:40:031
2221450991815,2cyclictest2488639-21/usr/sbin/munin10:30:011
2221450991815,2cyclictest2416755-21head09:44:401
2221450991815,2cyclictest2227899-21cpu07:15:011
2221450991815,2cyclictest1247-21mta-sts-daemon11:05:021
2221450991815,2cyclictest1020-21runrttasks10:49:491
2221450991814,3cyclictest2569515-21pmu-power11:24:461
2221450991814,2cyclictest2399713-21systemd09:30:021
2221450991811,3cyclictest2665926-21ssh12:29:491
2221450991811,3cyclictest2658594-21switchtime12:24:481
222144999189,4cyclictest0-21swapper/012:24:340
222144999187,6cyclictest0-21swapper/010:09:450
2221449991815,2cyclictest660-21dbus-daemon09:40:010
2221449991815,2cyclictest660-21dbus-daemon08:40:010
2221449991815,2cyclictest2676479-21tr12:39:410
2221449991815,2cyclictest2367288-21sed09:09:430
2221449991815,2cyclictest2221447-21cyclictest08:09:400
2221449991811,6cyclictest1020-21runrttasks11:29:250
3153791170,2phc2sys0-21swapper/311:46:493
3153791170,2phc2sys0-21swapper/311:00:003
3153791170,2phc2sys0-21swapper/309:47:303
2221451991714,1cyclictest0-21swapper/207:55:012
222145099179,3cyclictest0-21swapper/111:05:261
2221450991714,2cyclictest2392096-21systemd-run09:25:011
2221450991714,2cyclictest2384815-21systemd-run09:20:011
2221450991714,2cyclictest2278840-21sh07:55:021
2221450991714,2cyclictest2261668-21gltestperf07:44:411
2221450991711,2cyclictest67250irq/126-eno110:54:431
222144999179,7cyclictest0-21swapper/008:20:010
222144999176,6cyclictest0-21swapper/012:11:530
222144999172,8cyclictest0-21swapper/009:46:380
2221449991714,2cyclictest2421831-21systemd09:45:030
2221449991714,2cyclictest2278534-21apt-key07:55:010
2221449991714,2cyclictest2235949-21systemd-run07:20:010
2221449991711,5cyclictest2504530-21runrttasks10:41:410
2221451991614,1cyclictest0-21swapper/212:25:012
2221451991613,1cyclictest0-21swapper/210:54:362
2221451991613,1cyclictest0-21swapper/210:35:012
2221451991613,1cyclictest0-21swapper/210:14:492
2221451991613,1cyclictest0-21swapper/210:09:382
222145199160,2cyclictest0-21swapper/210:29:362
222145099169,3cyclictest0-21swapper/110:06:521
222145099169,2cyclictest1247-21mta-sts-daemon08:57:501
222145099168,4cyclictest0-21swapper/111:15:021
222145099161,9cyclictest2235818-21cron07:20:001
2221450991613,2cyclictest765-1atopacctd10:19:441
2221450991613,2cyclictest2491522-21cut10:34:411
2221450991613,2cyclictest2254109-21cron07:35:001
2221450991613,2cyclictest2236652-21aten2.4-expect07:24:351
2221450991612,3cyclictest2560061-21kthreadcore11:19:431
2221450991612,3cyclictest2526230-21kworker/u16:1+nfsiod10:56:321
2221450991612,2cyclictest2339748-21latency_hist08:45:021
2221450991610,5cyclictest1242-21mta-sts-daemon08:38:301
222144999169,2cyclictest2222011-21/usr/sbin/munin07:14:390
222144999169,1cyclictest491rcuog/211:35:570
222144999168,4cyclictest1247-21mta-sts-daemon11:03:470
222144999164,7cyclictest0-21swapper/010:34:350
222144999163,2cyclictest171ktimers/008:56:210
222144999161,9cyclictest660-21dbus-daemon08:50:010
222144999161,9cyclictest0-21swapper/009:18:280
2221449991614,1cyclictest2315232-21munin-plugin-st08:25:010
2221449991613,2cyclictest2562152-21pmu-power11:19:450
2221449991613,2cyclictest1242-21mta-sts-daemon11:32:270
492398150,7rtkit-daemon1242-21mta-sts-daemon07:59:530
3153791151,2phc2sys0-21swapper/312:26:383
3153791150,3phc2sys0-21swapper/308:09:473
23884542150,2sleep30-21swapper/309:24:433
222145199152,8cyclictest0-21swapper/207:50:012
2221451991513,1cyclictest0-21swapper/209:10:022
2221451991513,1cyclictest0-21swapper/207:35:022
2221451991512,1cyclictest0-21swapper/212:29:402
2221451991512,1cyclictest0-21swapper/210:59:452
2221451991512,1cyclictest0-21swapper/210:39:372
2221451991512,1cyclictest0-21swapper/208:00:012
2221451991512,1cyclictest0-21swapper/207:14:442
222145199150,9cyclictest0-21swapper/210:04:362
2221450991513,1cyclictest4915-21sendmail-mta08:01:411
2221450991512,2cyclictest274-21systemd-journal08:25:021
2221450991512,2cyclictest2639924-21kthreadcore12:14:411
2221450991512,2cyclictest2636772-21idleruntime-cro12:10:001
2221450991512,2cyclictest2624376-21sh12:04:381
2221450991512,2cyclictest2621512-21mailstats11:59:471
2221450991512,2cyclictest2609152-21aten_repower_po11:54:361
2221450991512,2cyclictest2506139-21fschecks_count10:44:381
2221450991512,2cyclictest2445832-21aten2.4-expect10:04:361
2221450991512,2cyclictest2406087-21needreboot09:34:441
2221450991512,2cyclictest2248032-21latency_hist07:30:011
2221450991511,3cyclictest2221447-21cyclictest08:14:431
2221450991511,3cyclictest1237-21mta-sts-daemon11:44:131
2221450991510,2cyclictest1247-21mta-sts-daemon09:52:551
222144999154,3cyclictest492398rtkit-daemon10:26:350
2221449991512,2cyclictest675-21mta-sts-daemon07:39:390
2221449991512,2cyclictest2532484-21missed_timers10:59:440
2221449991512,2cyclictest2502930-21needreboot10:39:440
2221449991512,2cyclictest2254103-21cron07:35:000
2221449991511,3cyclictest1242-21mta-sts-daemon11:12:550
2221449991511,3cyclictest1242-21mta-sts-daemon08:54:370
3153791148,2phc2sys0-21swapper/311:10:193
3153791141,5phc2sys0-21swapper/307:14:363
3153791141,3phc2sys0-21swapper/309:54:353
3153791141,3phc2sys0-21swapper/309:39:363
3153791141,2phc2sys0-21swapper/311:58:163
3153791140,3phc2sys0-21swapper/312:14:353
3153791140,3phc2sys0-21swapper/310:41:293
3153791140,3phc2sys0-21swapper/310:30:243
3153791140,3phc2sys0-21swapper/307:29:363
3153791140,2phc2sys0-21swapper/312:36:393
3153791140,1phc2sys0-21swapper/309:30:183
222145199141,8cyclictest0-21swapper/212:19:342
2221451991412,1cyclictest0-21swapper/211:41:282
2221451991412,1cyclictest0-21swapper/209:39:432
2221451991412,1cyclictest0-21swapper/208:54:472
2221451991412,1cyclictest0-21swapper/208:50:022
2221451991412,1cyclictest0-21swapper/208:20:022
2221451991411,1cyclictest0-21swapper/212:14:402
2221451991411,1cyclictest0-21swapper/211:15:012
2221451991411,1cyclictest0-21swapper/209:24:452
2221451991411,1cyclictest0-21swapper/208:35:002
2221451991411,1cyclictest0-21swapper/208:35:002
2221451991410,2cyclictest0-21swapper/209:31:502
222145199140,8cyclictest0-21swapper/210:17:492
222145099148,5cyclictest700-21rs:main1
222145099147,5cyclictest2360043-21tr09:04:411
222145099145,4cyclictest2272411-21cat07:50:011
2221450991411,2cyclictest2365380-21tr09:09:411
2221450991411,2cyclictest2349066-21kthreadcore08:54:441
2221450991411,2cyclictest2341508-21kthreadcore08:49:411
2221450991411,2cyclictest2316131-21cpuspeed_turbos08:29:361
2221450991411,2cyclictest1247-21mta-sts-daemon12:19:071
2221450991410,3cyclictest2293538-21kthreadcore08:09:421
2221450991410,3cyclictest2257923-21kthreadcore07:39:421
222144999147,5cyclictest274-21systemd-journal08:35:000
222144999147,5cyclictest274-21systemd-journal08:35:000
222144999146,6cyclictest2263556-21tr07:44:440
222144999143,7cyclictest0-21swapper/007:20:510
222144999143,5cyclictest2285524-21tail08:04:350
222144999141,6cyclictest2543726-21irqstats11:09:410
2221449991411,2cyclictest2513744-21if_eno110:49:400
2221449991411,2cyclictest2317075-21irqrtprio08:29:400
2221449991410,3cyclictest2351771-21kworker/u16:2+nfsiod12:03:230
2221449991410,3cyclictest1246-21mta-sts-daemon09:04:350
3153791131,3phc2sys0-21swapper/311:34:343
3153791130,3phc2sys0-21swapper/308:00:293
3153791130,2phc2sys0-21swapper/311:06:093
3153791130,2phc2sys0-21swapper/309:16:443
3153791130,1phc2sys0-21swapper/311:29:123
222145199131,7cyclictest0-21swapper/211:30:082
222145199131,3cyclictest26228742sleep212:01:472
222145199131,3cyclictest26084232sleep211:52:452
2221451991311,1cyclictest0-21swapper/212:35:022
2221451991311,1cyclictest0-21swapper/211:48:302
2221451991311,1cyclictest0-21swapper/211:00:542
2221451991311,1cyclictest0-21swapper/210:45:022
2221451991311,1cyclictest0-21swapper/208:29:472
2221451991310,1cyclictest0-21swapper/209:49:432
2221451991310,1cyclictest0-21swapper/209:29:362
2221451991310,1cyclictest0-21swapper/208:14:372
2221451991310,1cyclictest0-21swapper/207:24:482
222145199130,2cyclictest0-21swapper/210:49:352
222145099134,4cyclictest2667248-21sshd12:31:541
2221450991310,2cyclictest2323261-21kthreadcore08:34:411
2221450991310,2cyclictest2323261-21kthreadcore08:34:411
2221450991310,2cyclictest2282527-21kthreadcore07:59:411
222144999139,3cyclictest2269035-21kthreadcore07:49:420
222144999134,4cyclictest2299051-21cut08:14:410
2221449991310,2cyclictest2351771-21kworker/u16:2+nfsiod10:20:050
2221449991310,2cyclictest1237-21mta-sts-daemon08:41:220
22209822130,7sleep02221218-21sed07:09:490
3153791122,2phc2sys0-21swapper/312:22:123
3153791122,2phc2sys0-21swapper/308:39:483
3153791121,6phc2sys0-21swapper/309:29:363
3153791121,2phc2sys0-21swapper/310:04:373
3153791120,2phc2sys0-21swapper/311:36:033
3153791120,2phc2sys0-21swapper/310:05:283
3153791120,2phc2sys0-21swapper/307:24:473
3153791120,1phc2sys0-21swapper/310:50:343
222145199129,2cyclictest0-21swapper/209:04:422
222145199129,1cyclictest0-21swapper/211:59:422
222145199129,1cyclictest0-21swapper/209:16:112
222145199129,1cyclictest0-21swapper/207:26:372
222145199122,7cyclictest0-21swapper/211:19:342
222145199121,8cyclictest2235812-21chrt07:19:552
222145199121,2cyclictest24156432sleep209:43:272
2221451991210,1cyclictest0-21swapper/212:10:022
2221451991210,1cyclictest0-21swapper/211:39:452
2221451991210,1cyclictest0-21swapper/209:11:542
2221451991210,1cyclictest0-21swapper/208:59:422
2221451991210,1cyclictest0-21swapper/208:44:442
2221451991210,1cyclictest0-21swapper/208:05:032
2221451991210,1cyclictest0-21swapper/208:05:022
2221451991210,1cyclictest0-21swapper/207:39:412
3153791113,2phc2sys0-21swapper/309:57:233
3153791112,2phc2sys0-21swapper/310:18:123
3153791111,2phc2sys0-21swapper/312:00:523
3153791110,4phc2sys0-21swapper/311:04:353
3153791110,2phc2sys0-21swapper/312:18:283
3153791110,2phc2sys0-21swapper/309:08:593
3153791110,2phc2sys0-21swapper/309:03:353
3153791110,1phc2sys0-21swapper/312:31:543
3153791110,1phc2sys0-21swapper/308:29:223
222145199119,1cyclictest0-21swapper/210:20:412
222145199118,1cyclictest0-21swapper/209:58:472
222145199117,2cyclictest0-21swapper/208:39:462
222145199110,2cyclictest0-21swapper/211:06:202
22159012111,5sleep30-21swapper/307:09:363
3153791101,3phc2sys0-21swapper/308:15:203
3153791101,2phc2sys0-21swapper/310:45:333
3153791101,2phc2sys0-21swapper/310:37:233
3153791101,2phc2sys0-21swapper/309:14:383
3153791101,2phc2sys0-21swapper/308:14:403
3153791101,1phc2sys0-21swapper/307:17:063
3153791100,2phc2sys0-21swapper/311:54:433
3153791100,2phc2sys0-21swapper/308:44:413
3153791100,2phc2sys0-21swapper/307:49:353
3153791100,1phc2sys0-21swapper/308:56:113
222145199108,1cyclictest0-21swapper/207:41:582
315379191,3phc2sys0-21swapper/307:44:373
315379191,2phc2sys0-21swapper/310:20:123
315379191,2phc2sys0-21swapper/307:38:093
315379190,3phc2sys0-21swapper/308:30:123
315379190,3phc2sys0-21swapper/308:30:123
315379190,2phc2sys0-21swapper/308:51:063
315379190,2phc2sys0-21swapper/308:49:423
315379190,2phc2sys0-21swapper/308:22:373
315379190,2phc2sys0-21swapper/307:54:403
315379190,2phc2sys0-21swapper/307:33:123
22214519991,5cyclictest2221571-21taskset07:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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