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2025-06-28 - 23:09
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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 376 highest latencies:
System rackeslot2.osadl.org (updated Sat Jun 28, 2025 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33559062860,1sleep30-21swapper/308:35:013
33594172450,0sleep13359421-21tr08:35:271
3250773992817,3cyclictest3531105-21cstates10:25:221
32623202260,1sleep10-21swapper/107:15:241
3250772992515,6cyclictest1761-21gdbus11:40:020
25010912518,3phc2sys0-21swapper/312:03:523
25010912518,3phc2sys0-21swapper/311:23:323
25010912518,2phc2sys0-21swapper/312:25:563
25010912517,3phc2sys0-21swapper/309:38:543
25010912418,3phc2sys0-21swapper/312:17:253
25010912418,3phc2sys0-21swapper/310:26:593
25010912418,2phc2sys0-21swapper/312:34:223
25010912418,2phc2sys0-21swapper/312:23:323
25010912418,2phc2sys0-21swapper/312:13:303
25010912418,2phc2sys0-21swapper/311:43:083
25010912418,2phc2sys0-21swapper/310:54:573
25010912418,2phc2sys0-21swapper/310:01:593
25010912418,2phc2sys0-21swapper/309:42:353
25010912418,2phc2sys0-21swapper/309:32:293
25010912418,2phc2sys0-21swapper/308:08:183
25010912418,2phc2sys0-21swapper/308:00:243
25010912418,2phc2sys0-21swapper/307:17:153
25010912417,2phc2sys0-21swapper/309:10:413
25010912417,2phc2sys0-21swapper/308:50:213
334950522320,2sleep20-21swapper/208:27:442
3250772992314,4cyclictest0-21swapper/011:55:020
25010912318,3phc2sys0-21swapper/312:09:433
25010912318,3phc2sys0-21swapper/311:28:363
25010912318,3phc2sys0-21swapper/311:10:313
25010912318,3phc2sys0-21swapper/311:07:193
25010912318,3phc2sys0-21swapper/310:58:573
25010912318,3phc2sys0-21swapper/310:46:233
25010912318,3phc2sys0-21swapper/310:16:013
25010912318,3phc2sys0-21swapper/310:07:473
25010912318,3phc2sys0-21swapper/309:46:513
25010912318,3phc2sys0-21swapper/308:20:313
25010912318,3phc2sys0-21swapper/308:10:333
25010912318,3phc2sys0-21swapper/307:23:363
25010912317,2phc2sys0-21swapper/311:34:343
25010912317,2phc2sys0-21swapper/311:01:393
25010912317,2phc2sys0-21swapper/309:50:213
25010912317,2phc2sys0-21swapper/309:21:033
25010912317,2phc2sys0-21swapper/308:25:253
25010912317,2phc2sys0-21swapper/308:17:353
25010912317,2phc2sys0-21swapper/307:57:123
25010912317,2phc2sys0-21swapper/307:46:303
25010912317,2phc2sys0-21swapper/307:28:213
376405722218,2sleep30-21swapper/312:35:403
374737922218,2sleep20-21swapper/212:26:582
369481722218,2sleep30-21swapper/311:56:503
369481722218,2sleep30-21swapper/311:56:493
367800322218,2sleep20-21swapper/211:48:232
367697922218,2sleep30-21swapper/311:46:443
364234022218,2sleep20-21swapper/211:27:152
362797022218,2sleep20-21swapper/211:20:242
360635922218,2sleep20-21swapper/211:06:112
359165322218,2sleep20-21swapper/211:00:132
358294922218,2sleep20-21swapper/210:55:162
356344522218,2sleep20-21swapper/210:42:142
355462022218,2sleep20-21swapper/210:37:132
354519022218,2sleep20-21swapper/210:31:242
352946622218,2sleep30-21swapper/310:24:033
351973422218,2sleep20-21swapper/210:17:292
351173722218,2sleep30-21swapper/310:13:413
348514822218,2sleep20-21swapper/209:57:572
346811422218,2sleep20-21swapper/209:48:312
344035322218,2sleep20-21swapper/209:31:082
343255622218,2sleep20-21swapper/209:27:432
337450322218,2sleep20-21swapper/208:50:042
335001222218,2sleep20-21swapper/208:30:162
3250773992219,2cyclictest3380650-21systemd08:55:021
3250773992214,3cyclictest0-21swapper/110:00:021
3250772992219,2cyclictest1-21systemd08:50:020
3250772992213,5cyclictest3635796-21/usr/sbin/munin11:25:230
25010912218,2phc2sys0-21swapper/310:39:073
25010912218,2phc2sys0-21swapper/309:17:273
25010912217,3phc2sys0-21swapper/311:39:383
25010912217,3phc2sys0-21swapper/309:27:543
25010912217,3phc2sys0-21swapper/308:56:173
25010912217,3phc2sys0-21swapper/308:42:553
25010912217,3phc2sys0-21swapper/307:52:143
25010912217,3phc2sys0-21swapper/307:44:323
25010912217,3phc2sys0-21swapper/307:30:103
25010912217,2phc2sys0-21swapper/308:46:293
25010912217,2phc2sys0-21swapper/307:35:363
373951422117,2sleep20-21swapper/212:23:222
373143022117,2sleep20-21swapper/212:19:242
372115322117,2sleep20-21swapper/212:12:002
370236922117,2sleep20-21swapper/212:00:292
369450122117,2sleep20-21swapper/211:56:162
369450122117,2sleep20-21swapper/211:56:152
368562222118,2sleep20-21swapper/211:51:272
365317122117,2sleep20-21swapper/211:35:122
365171122117,2sleep20-21swapper/211:33:192
362396722118,2sleep30-21swapper/311:15:543
361498522118,2sleep20-21swapper/211:10:592
357426822117,2sleep20-21swapper/210:50:152
356413222118,2sleep30-21swapper/310:43:233
351101322117,2sleep20-21swapper/210:12:282
346969122117,2sleep20-21swapper/209:50:202
345868022117,2sleep20-21swapper/209:42:142
342348822117,2sleep20-21swapper/209:22:182
340860122117,2sleep20-21swapper/209:15:212
339913122117,2sleep20-21swapper/209:10:162
339234322118,2sleep30-21swapper/309:01:353
328954522117,2sleep20-21swapper/207:40:032
3250773992114,2cyclictest178850irq/121-eno110:55:011
3250773992113,3cyclictest0-21swapper/111:15:001
3250772992118,2cyclictest3573860-21perf10:50:000
3250772992118,2cyclictest3265040-21idleruntime-cro07:20:010
3250772992110,6cyclictest0-21swapper/011:30:200
25010912117,2phc2sys0-21swapper/309:57:073
375781722017,2sleep20-21swapper/212:34:482
362395622017,2sleep20-21swapper/211:15:532
350167222017,2sleep20-21swapper/210:06:272
337378922017,2sleep20-21swapper/208:48:122
336755722017,2sleep20-21swapper/208:40:542
336149822017,2sleep20-21swapper/208:36:132
333190022017,2sleep20-21swapper/208:15:172
332539122017,2sleep20-21swapper/208:08:242
331317022017,2sleep20-21swapper/207:57:102
330711322017,2sleep20-21swapper/207:51:492
330100222017,2sleep20-21swapper/207:45:442
328332122017,2sleep20-21swapper/207:35:022
328309622017,2sleep20-21swapper/207:34:182
327092922017,2sleep20-21swapper/207:23:322
325687322017,2sleep20-21swapper/207:15:022
3250773992012,3cyclictest0-21swapper/111:35:011
3250773992010,4cyclictest1695-21dbus-daemon12:05:011
325077299208,6cyclictest0-21swapper/012:25:010
3250772992014,5cyclictest3521309-21cron10:20:010
3250772992013,6cyclictest3596927-21python311:00:330
3250772992010,5cyclictest0-21swapper/011:15:030
25010912017,2phc2sys0-21swapper/310:33:193
25010912017,2phc2sys0-21swapper/309:06:443
25010912017,2phc2sys0-21swapper/308:35:213
25010912014,2phc2sys0-21swapper/307:10:433
3250774991916,1cyclictest0-21swapper/209:00:012
325077399199,2cyclictest178850irq/121-eno112:35:241
3250773991916,2cyclictest3307574-21/usr/sbin/munin07:55:021
3250773991910,3cyclictest3714948-21aten2.4-expect12:10:181
3250772991916,2cyclictest3696809-21latency_hist12:00:000
3250772991916,2cyclictest3696809-21latency_hist12:00:000
3250772991915,3cyclictest1-21systemd10:40:010
3250772991912,6cyclictest3679315-21kworker/u16:2+nfsiod12:25:040
3250772991911,4cyclictest3466142-21timerwakeupswit09:45:320
25010911913,2phc2sys0-21swapper/311:50:573
325077399189,4cyclictest0-21swapper/111:05:011
325077299188,6cyclictest3444137-21if_err_eno109:35:260
325077299187,6cyclictest0-21swapper/011:50:010
3250772991815,2cyclictest3547465-21unin-run10:35:000
3250772991815,2cyclictest3306429-21phc2sys07:50:320
325077299180,7cyclictest3728500-21cut12:15:300
3250774991714,1cyclictest0-21swapper/209:40:022
325077399179,3cyclictest11systemd11:50:011
325077399175,1cyclictest178850irq/121-eno108:08:081
3250773991714,2cyclictest3469762-21cpuspeed09:50:191
3250773991713,2cyclictest3644202-21/usr/sbin/munin11:30:011
3250773991711,2cyclictest178850irq/121-eno111:50:201
3250773991710,3cyclictest3752509-21kthreadcore12:30:241
3250773991710,3cyclictest3504932-21grep10:10:211
325077299179,5cyclictest3627202-21tail11:20:200
325077299179,4cyclictest3666771-21missed_timers11:40:260
325077299178,5cyclictest0-21swapper/009:10:180
3250772991714,2cyclictest3766686-21cron12:40:000
3250772991714,2cyclictest3457287-21mailstats09:40:310
3250772991714,2cyclictest3361874-21kworker/u16:1-events_power_efficient09:20:020
3250772991714,2cyclictest3257635-21kthreadcore07:15:010
3250772991714,2cyclictest0-21swapper/008:55:010
325077299171,2cyclictest0-21swapper/009:30:210
3250772991711,5cyclictest3605323-21missed_timers11:05:310
3250774991614,1cyclictest0-21swapper/208:13:592
3250774991613,1cyclictest0-21swapper/210:25:472
3250774991612,2cyclictest0-21swapper/212:39:592
325077399163,12cyclictest3503842-21munin-plugin-st10:10:001
3250773991613,2cyclictest9244-21rtkit-daemon11:05:131
3250773991613,2cyclictest3540198-21irqcore10:30:201
3250773991613,2cyclictest3524432-21kthreadcore10:20:241
3250773991613,2cyclictest3513408-21cpuspeed_turbos10:15:201
3250773991613,2cyclictest3258366-21kthreadcore07:15:031
3250773991613,2cyclictest1707-21polkitd11:40:281
3250773991613,2cyclictest0-21swapper/111:40:001
3250773991612,3cyclictest3617995-21kworker/u16:0+nfsiod11:58:011
3250773991612,3cyclictest3617995-21kworker/u16:0+nfsiod11:58:011
3250773991612,3cyclictest3606657-21kworker/u16:3+nfsiod11:21:591
3250773991612,2cyclictest3740765-21sh12:25:021
325077299169,6cyclictest0-21swapper/010:55:310
325077299168,4cyclictest3702776-21/usr/sbin/munin12:00:310
3250772991613,2cyclictest3521176-21kworker/u16:1-ext4-rsv-conversion10:45:020
3250772991613,2cyclictest3495948-21tr10:05:190
3250772991613,2cyclictest3325685-21systemd-run08:10:020
3250772991613,2cyclictest3289241-21ls07:40:000
3250772991613,2cyclictest1-21systemd09:30:010
3250772991612,3cyclictest3290136-21kworker/u16:3+nfsiod10:20:120
3250772991610,5cyclictest3717255-21kthreadcore12:10:240
325077299160,5cyclictest2701913-1atop10:30:020
325077499151,5cyclictest0-21swapper/209:10:022
3250774991513,1cyclictest0-21swapper/210:47:452
3250774991513,1cyclictest0-21swapper/208:05:022
3250774991512,1cyclictest0-21swapper/210:25:012
325077399159,2cyclictest178850irq/121-eno112:15:271
325077399158,3cyclictest3277522-21tail07:30:171
325077399157,2cyclictest178850irq/121-eno108:25:261
325077399155,2cyclictest178850irq/121-eno107:20:201
325077399154,4cyclictest3399307-21basename09:10:181
325077399152,2cyclictest191rcu_preempt10:45:441
3250773991512,2cyclictest3437940-21kthreadcore09:30:291
3250773991512,2cyclictest3419446-21kthreadcore09:20:231
3250773991512,2cyclictest3393522-21fschecks_count09:05:211
3250773991512,2cyclictest3392761-21latency_hist09:05:011
3250773991512,2cyclictest3250770-21cyclictest10:05:001
3250773991512,2cyclictest0-21swapper/112:10:011
3250773991511,3cyclictest3521176-21kworker/u16:1+nfsiod10:35:091
325077399150,8cyclictest1992-21runrttasks09:36:481
325077299158,6cyclictest0-21swapper/012:05:270
325077299156,5cyclictest0-21swapper/010:05:000
325077299156,4cyclictest0-21swapper/010:10:250
325077299151,9cyclictest3478134-21apt-get09:55:160
3250772991513,1cyclictest0-21swapper/008:05:010
3250772991512,2cyclictest9244-21rtkit-daemon07:46:020
3250772991512,2cyclictest3623400-21wc11:15:380
3250772991512,2cyclictest3417102-21cpuspeed_turbos09:20:170
3250772991512,2cyclictest3333031-21tr08:15:250
3250772991512,2cyclictest1301-21rpcbind07:33:300
3250772991512,2cyclictest0-21swapper/009:00:010
325077299150,7cyclictest3577297-21kthreadcore10:50:270
325077499141,4cyclictest0-21swapper/207:20:022
3250774991412,1cyclictest0-21swapper/212:05:162
3250774991411,1cyclictest0-21swapper/211:42:422
3250774991411,1cyclictest0-21swapper/210:00:272
325077399148,5cyclictest3289230-21cron07:40:001
3250773991411,2cyclictest3557667-21gltestperf10:40:211
3250773991411,2cyclictest3462182-21kthreadcore09:45:241
3250773991411,2cyclictest3427157-21kthreadcore09:25:241
3250773991411,2cyclictest3412945-21pmu-power09:15:271
3250773991411,2cyclictest3316534-21kthreadcore08:00:251
3250773991411,2cyclictest3308381-21gltestperf07:55:201
3250773991411,2cyclictest3250770-21cyclictest08:20:341
3250773991411,2cyclictest0-21swapper/111:15:031
3250773991411,2cyclictest0-21swapper/107:45:301
3250773991410,3cyclictest3679315-21kworker/u16:2+nfsiod12:27:491
3250773991410,3cyclictest3274315-21kthreadcore07:25:241
325077399140,9cyclictest3587841-21phc2sys10:55:271
325077299146,4cyclictest0-21swapper/012:30:230
325077299146,2cyclictest0-21swapper/007:40:160
3250772991411,2cyclictest9244-21rtkit-daemon08:34:380
3250772991411,2cyclictest3470260-21gltestperf09:50:200
3250772991411,2cyclictest3389680-21kthreadcore09:00:250
3250772991411,2cyclictest3344742-21tail08:25:300
3250772991411,2cyclictest3308381-21gltestperf07:55:200
3250772991411,2cyclictest3272432-21irqcore07:25:220
3250772991410,3cyclictest0-21swapper/008:45:000
3250774991310,1cyclictest0-21swapper/209:05:002
3250774991310,1cyclictest0-21swapper/208:20:232
3250774991310,1cyclictest0-21swapper/207:25:242
325077399139,3cyclictest3453370-21irqrtprio09:40:261
325077399139,3cyclictest3384368-21kthreadcore08:55:241
325077399139,3cyclictest3333229-21kthreadcore08:15:261
3250773991310,2cyclictest3369811-21kthreadcore08:45:241
3250773991310,2cyclictest3364946-21kthreadcore08:40:241
3250773991310,2cyclictest3350595-21cut08:30:201
3250773991310,2cyclictest3325965-21aten_repower_fr08:10:211
3250773991310,2cyclictest0-21swapper/107:45:011
3250772991310,2cyclictest3393008-21aten2.4-expect09:05:180
3250772991310,2cyclictest3357233-21irqrtprio08:35:260
3250772991310,2cyclictest3342096-21kthreadcore08:20:290
3250772991310,2cyclictest3327584-21kthreadcore08:10:270
3250772991310,2cyclictest3265383-21acpi07:20:160
325077299129,2cyclictest0-21swapper/007:10:010
325077399118,2cyclictest3250821-21latency_hist07:10:011
325077499107,1cyclictest0-21swapper/207:10:012
2501091101,3phc2sys0-21swapper/307:05:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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