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2026-06-14 - 21:10
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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 Sun Jun 14, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24727082960,1sleep20-21swapper/210:50:232
25172932450,0sleep12517296-21cut11:20:231
2174050992818,3cyclictest1237-21mta-sts-daemon11:35:271
23317262270,2sleep30-21swapper/309:15:213
2174050992724,2cyclictest660-21dbus-daemon12:35:001
2174050992617,2cyclictest67250irq/126-eno111:10:191
2174050992522,2cyclictest2528846-21dump-pmu-power11:30:011
2174049992518,6cyclictest2543795-21sh11:40:010
2174050992218,2cyclictest693-21systemd-logind10:00:021
2174050992217,3cyclictest2574719-21kthreadcore12:00:241
2174050992212,2cyclictest67250irq/126-eno109:30:161
2174049992217,3cyclictest0-21swapper/009:05:020
217404999221,6cyclictest2219801-21apt-get07:45:170
2174050992118,2cyclictest2463194-21grep10:45:031
2174049992115,5cyclictest1247-21mta-sts-daemon09:54:460
2174049992115,2cyclictest67250irq/126-eno112:15:230
2174051992017,1cyclictest0-21swapper/210:19:412
2174050992010,3cyclictest0-21swapper/111:43:381
2174049992014,1cyclictest22769612cat08:30:250
217404999200,18cyclictest2381899-21awk09:50:000
3153791190,2phc2sys0-21swapper/311:36:023
2174051991917,1cyclictest0-21swapper/212:40:022
2174051991917,1cyclictest0-21swapper/211:40:022
2174051991914,3cyclictest0-21swapper/212:10:032
217405199190,12cyclictest0-21swapper/212:20:022
2174050991916,2cyclictest2396901-21/usr/sbin/munin10:00:271
2174050991916,2cyclictest2225752-21latency_hist07:50:021
2174050991916,2cyclictest2174047-21cyclictest08:05:211
2174050991914,2cyclictest1247-21mta-sts-daemon10:18:581
2174050991910,2cyclictest67250irq/126-eno109:07:471
2174050991910,2cyclictest67250irq/126-eno109:07:471
217404999197,1cyclictest491rcuog/210:04:220
217404999195,9cyclictest2323338-21diskmemload10:36:040
217404999194,9cyclictest2610519-21wc12:25:160
217404999193,6cyclictest2455812-21/usr/sbin/munin10:40:290
2174049991916,2cyclictest765-1atopacctd08:13:380
2174049991916,2cyclictest2484926-21dump-pmu-power11:00:000
2174049991916,2cyclictest2404659-21tr10:05:220
2174049991916,2cyclictest2324361-21uniq09:10:210
2174049991916,2cyclictest0-21swapper/010:35:010
2174049991916,2cyclictest0-21swapper/008:10:010
2174049991915,3cyclictest0-21swapper/010:50:020
2174049991910,7cyclictest0-21swapper/010:25:020
492398180,2rtkit-daemon0-21swapper/108:27:001
3153791180,2phc2sys0-21swapper/312:21:393
3153791180,2phc2sys0-21swapper/311:10:253
3153791180,2phc2sys0-21swapper/310:04:203
2174051991816,1cyclictest0-21swapper/207:15:032
2174051991816,1cyclictest0-21swapper/207:15:032
2174051991815,1cyclictest0-21swapper/211:02:342
2174051991815,1cyclictest0-21swapper/210:15:022
2174050991815,2cyclictest2558387-21sh11:50:011
2174050991815,2cyclictest2411410-21sh10:10:021
2174050991815,2cyclictest2378577-21kthreadcore09:45:241
2174050991815,2cyclictest2330983-21apt-get09:15:171
2174050991815,2cyclictest1020-21runrttasks10:28:271
2174050991814,3cyclictest2214916-21irqrtprio07:40:221
217404999189,5cyclictest0-21swapper/010:25:250
217404999185,8cyclictest2475683-21proc_pri10:50:260
2174049991815,2cyclictest781-21gmain08:05:020
2174049991815,2cyclictest765-1atopacctd09:44:380
2174049991815,2cyclictest2536179-21grep11:35:010
2174049991815,2cyclictest2390825-21irqrtprio09:55:230
2174049991815,2cyclictest2304875-21latency_hist08:55:010
2174049991815,2cyclictest2207569-21systemd07:35:020
2174049991815,2cyclictest2207569-21systemd07:35:020
2174049991814,3cyclictest0-21swapper/007:20:010
2174049991813,3cyclictest0-21swapper/008:20:010
2174049991811,6cyclictest0-21swapper/012:20:160
2174049991811,1cyclictest492398rtkit-daemon08:23:410
2174049991810,7cyclictest2174047-21cyclictest10:15:210
3153791170,2phc2sys0-21swapper/310:09:133
3153791170,2phc2sys0-21swapper/307:57:323
2174051991715,1cyclictest0-21swapper/211:15:182
2174051991715,1cyclictest0-21swapper/208:57:412
2174051991714,1cyclictest0-21swapper/211:40:222
2174051991714,1cyclictest0-21swapper/211:35:012
2174051991714,1cyclictest0-21swapper/211:15:012
2174051991714,1cyclictest0-21swapper/211:10:012
2174051991714,1cyclictest0-21swapper/210:05:342
2174051991714,1cyclictest0-21swapper/209:45:242
2174051991714,1cyclictest0-21swapper/208:30:242
2174051991714,1cyclictest0-21swapper/208:05:262
2174051991713,2cyclictest2609879-21turbostat12:25:002
2174051991713,2cyclictest0-21swapper/210:40:222
2174051991713,2cyclictest0-21swapper/208:50:052
217405199171,11cyclictest0-21swapper/207:20:022
2174050991714,2cyclictest3937-21cron08:55:011
2174050991714,2cyclictest2529976-21cut11:30:181
2174050991714,2cyclictest2486131-21sh11:00:191
2174050991714,2cyclictest2239655-21kthreadcore08:00:251
2174050991713,3cyclictest781-21gmain08:25:021
2174050991712,3cyclictest0-21swapper/109:25:161
217404999179,7cyclictest1246-21mta-sts-daemon11:19:540
217404999179,6cyclictest0-21swapper/011:50:240
217404999179,4cyclictest0-21swapper/012:05:170
217404999175,7cyclictest2517148-21kthreadcore11:20:230
2174049991714,2cyclictest765-1atopacctd07:10:220
2174049991714,2cyclictest765-1atopacctd07:10:220
2174049991714,2cyclictest2495517-21tail11:05:240
2174049991714,2cyclictest2310909-21grep09:00:010
2174049991713,2cyclictest0-21swapper/007:30:030
2174049991712,1cyclictest67250irq/126-eno107:35:160
2174049991712,1cyclictest2323338-21diskmemload12:36:460
2174049991711,2cyclictest2323338-21diskmemload09:15:070
492398160,2rtkit-daemon2368317-21ssh09:40:191
3153791161,3phc2sys0-21swapper/310:37:343
3153791161,2phc2sys0-21swapper/309:05:243
3153791161,2phc2sys0-21swapper/309:05:243
3153791160,2phc2sys0-21swapper/310:56:113
3153791160,2phc2sys0-21swapper/309:59:033
22601152160,1sleep10-21swapper/108:15:241
2174051991614,1cyclictest0-21swapper/209:55:172
2174051991613,1cyclictest0-21swapper/210:25:262
2174051991613,1cyclictest0-21swapper/209:25:182
2174051991613,1cyclictest0-21swapper/209:11:412
2174051991613,1cyclictest0-21swapper/207:30:022
2174051991612,2cyclictest0-21swapper/209:35:262
2174050991614,1cyclictest2251379-21irqcore08:10:221
2174050991614,1cyclictest1020-21runrttasks12:37:411
2174050991613,2cyclictest4922-21rtkit-daemon11:17:011
2174050991613,2cyclictest2617183-21latency_hist12:30:011
2174050991613,2cyclictest2566412-21grep11:55:181
2174050991613,2cyclictest2449396-21ps10:35:201
2174050991613,2cyclictest2441027-21aten2.4-expect10:30:151
2174050991613,2cyclictest2426373-21aten2.4-expect10:20:161
2174050991613,2cyclictest2389207-21latency_hist09:55:011
2174050991613,2cyclictest2343351-21mailstats09:20:281
2174050991613,2cyclictest2231648-21cut07:55:011
2174050991612,3cyclictest2233899-21kthreadcore07:55:241
2174050991612,2cyclictest67250irq/126-eno112:10:011
2174050991612,2cyclictest67250irq/126-eno109:11:541
2174050991610,2cyclictest67250irq/126-eno110:49:581
217404999168,6cyclictest0-21swapper/011:45:250
217404999168,2cyclictest0-21swapper/009:35:180
217404999166,6cyclictest2568576-21cut11:55:230
217404999165,3cyclictest0-21swapper/012:01:060
217404999164,4cyclictest2500973-21cut11:10:200
2174049991613,2cyclictest2522810-21if_enp1s011:25:210
2174049991613,2cyclictest2346381-21gltestperf09:25:200
2174049991613,2cyclictest1246-21mta-sts-daemon07:45:010
2174049991613,2cyclictest0-21swapper/007:10:030
2174049991612,3cyclictest2414490-21kthreadcore10:10:240
217404999161,10cyclictest2485327-21/usr/sbin/munin11:00:260
2174049991610,2cyclictest2323338-21diskmemload09:21:360
3153791151,4phc2sys0-21swapper/308:40:163
3153791150,4phc2sys0-21swapper/309:34:413
3153791150,2phc2sys0-21swapper/311:07:183
3153791150,2phc2sys0-21swapper/310:14:053
2174051991513,1cyclictest0-21swapper/211:50:212
2174051991513,1cyclictest0-21swapper/209:50:252
2174051991512,1cyclictest0-21swapper/210:55:222
2174051991512,1cyclictest0-21swapper/209:40:222
2174051991512,1cyclictest0-21swapper/209:05:022
2174051991512,1cyclictest0-21swapper/208:25:192
2174051991512,1cyclictest0-21swapper/208:25:012
2174051991512,1cyclictest0-21swapper/208:20:022
2174051991512,1cyclictest0-21swapper/208:00:252
2174051991511,2cyclictest0-21swapper/211:25:282
2174051991511,2cyclictest0-21swapper/210:35:172
2174051991511,2cyclictest0-21swapper/210:30:222
2174051991511,2cyclictest0-21swapper/207:39:402
217405099153,9cyclictest274-21systemd-journal07:20:031
2174050991513,1cyclictest2311171-21latency_hist09:00:031
2174050991512,2cyclictest2598111-21kthreadcore12:15:241
2174050991512,2cyclictest2499753-21sh11:10:021
2174050991512,2cyclictest2478623-21fschecks_count10:55:181
2174050991512,2cyclictest2418703-21systemd-run10:15:011
2174050991512,2cyclictest1247-21mta-sts-daemon12:20:211
217404999159,2cyclictest67250irq/126-eno112:10:190
217404999159,2cyclictest67250irq/126-eno112:10:190
217404999158,6cyclictest0-21swapper/009:30:300
217404999158,6cyclictest0-21swapper/008:25:180
217404999158,5cyclictest274-21systemd-journal07:55:000
217404999158,2cyclictest17750irq/132-ahci[0000:00:17.0]12:35:000
217404999155,5cyclictest2284528-21kthreadcore08:35:240
217404999155,2cyclictest491rcuog/208:45:160
2174049991512,2cyclictest2546549-21kthreadcore11:40:230
2174049991512,2cyclictest2292790-21latency_hist08:45:020
2174049991512,2cyclictest2234861-21kthreadcore07:55:250
3153791142,3phc2sys0-21swapper/307:45:023
3153791141,3phc2sys0-21swapper/309:40:153
3153791141,3phc2sys0-21swapper/309:25:163
3153791140,2phc2sys0-21swapper/312:32:133
3153791140,2phc2sys0-21swapper/312:15:263
3153791140,2phc2sys0-21swapper/312:04:323
3153791140,2phc2sys0-21swapper/311:57:473
3153791140,2phc2sys0-21swapper/309:50:083
3153791140,2phc2sys0-21swapper/309:46:243
3153791140,2phc2sys0-21swapper/309:12:553
3153791140,2phc2sys0-21swapper/308:49:563
3153791140,2phc2sys0-21swapper/308:25:173
3153791140,1phc2sys0-21swapper/310:33:123
2174051991412,1cyclictest0-21swapper/212:14:432
2174051991412,1cyclictest0-21swapper/212:14:432
2174051991412,1cyclictest0-21swapper/210:47:132
2174051991412,1cyclictest0-21swapper/208:48:442
2174051991411,1cyclictest0-21swapper/212:34:302
2174051991411,1cyclictest0-21swapper/212:00:262
2174051991411,1cyclictest0-21swapper/211:24:052
2174051991411,1cyclictest0-21swapper/210:00:202
2174051991411,1cyclictest0-21swapper/209:05:292
2174051991411,1cyclictest0-21swapper/209:05:292
2174051991411,1cyclictest0-21swapper/207:55:262
2174051991411,1cyclictest0-21swapper/207:40:232
2174051991410,2cyclictest0-21swapper/211:55:222
2174051991410,2cyclictest0-21swapper/208:38:492
2174051991410,2cyclictest0-21swapper/207:50:242
2174051991410,2cyclictest0-21swapper/207:49:472
217405099148,5cyclictest1246-21mta-sts-daemon08:43:041
2174050991412,1cyclictest1242-21mta-sts-daemon07:20:291
2174050991411,2cyclictest2564203-21unixbench_singl11:50:301
2174050991411,2cyclictest2361665-21kthreadcore09:35:221
2174050991411,2cyclictest2237858-21kworker/u16:2-events_power_efficient08:40:011
2174050991411,2cyclictest2207402-21sh07:35:011
2174050991411,2cyclictest2207402-21sh07:35:011
2174050991411,2cyclictest2177110-21kthreadcore07:10:231
2174050991411,2cyclictest2177110-21kthreadcore07:10:231
2174050991411,2cyclictest1246-21mta-sts-daemon10:51:361
2174050991410,3cyclictest2591906-21kthreadcore12:10:231
2174050991410,3cyclictest2591906-21kthreadcore12:10:231
217405099140,6cyclictest2207687-21chrt07:35:161
217404999147,1cyclictest67250irq/126-eno109:05:170
217404999147,1cyclictest67250irq/126-eno109:05:170
2174049991411,2cyclictest2191273-21kthreadcore07:20:240
3153791131,4phc2sys0-21swapper/311:30:143
3153791130,2phc2sys0-21swapper/311:25:533
3153791130,2phc2sys0-21swapper/310:20:073
3153791130,2phc2sys0-21swapper/308:51:343
3153791130,1phc2sys0-21swapper/312:28:323
217405199139,2cyclictest0-21swapper/207:30:242
217405199139,2cyclictest0-21swapper/207:30:242
2174051991311,1cyclictest0-21swapper/210:20:082
2174051991311,1cyclictest0-21swapper/209:20:232
2174051991310,1cyclictest0-21swapper/211:45:182
2174051991310,1cyclictest0-21swapper/209:30:222
2174051991310,1cyclictest0-21swapper/209:15:302
2174051991310,1cyclictest0-21swapper/208:40:202
2174051991310,1cyclictest0-21swapper/207:25:012
217405099139,3cyclictest2314016-21kthreadcore09:00:231
217405099139,3cyclictest2277387-21kthreadcore08:30:261
2174050991310,2cyclictest2294328-21kthreadcore08:45:231
2174050991310,2cyclictest2195891-21gltestperf07:25:201
3153791121,2phc2sys0-21swapper/310:52:143
3153791120,3phc2sys0-21swapper/308:55:233
3153791120,2phc2sys0-21swapper/311:53:303
3153791120,2phc2sys0-21swapper/308:14:513
3153791120,2phc2sys0-21swapper/307:10:153
3153791120,2phc2sys0-21swapper/307:10:153
217405199129,1cyclictest0-21swapper/212:25:152
2174051991210,1cyclictest0-21swapper/208:10:182
217405099129,2cyclictest0-21swapper/107:10:011
21682232121,6sleep20-21swapper/207:05:172
3153791115,2phc2sys0-21swapper/310:45:113
3153791112,2phc2sys0-21swapper/311:02:523
3153791111,3phc2sys0-21swapper/312:39:303
3153791110,2phc2sys0-21swapper/312:14:343
3153791110,2phc2sys0-21swapper/312:14:343
3153791110,2phc2sys0-21swapper/310:17:303
3153791110,2phc2sys0-21swapper/307:45:063
3153791110,1phc2sys0-21swapper/308:00:093
3153791102,2phc2sys0-21swapper/311:24:403
3153791101,3phc2sys0-21swapper/307:25:013
3153791101,2phc2sys0-21swapper/311:49:333
3153791101,2phc2sys0-21swapper/310:45:043
3153791100,4phc2sys0-21swapper/308:30:173
3153791100,2phc2sys0-21swapper/312:07:043
3153791100,2phc2sys0-21swapper/311:43:403
3153791100,2phc2sys0-21swapper/309:35:303
3153791100,2phc2sys0-21swapper/309:20:273
3153791100,2phc2sys0-21swapper/307:35:273
3153791100,1phc2sys0-21swapper/307:15:123
315379192,2phc2sys0-21swapper/307:05:253
315379190,2phc2sys0-21swapper/311:15:183
315379190,2phc2sys0-21swapper/310:25:203
315379190,2phc2sys0-21swapper/309:00:153
315379190,2phc2sys0-21swapper/308:35:193
315379190,2phc2sys0-21swapper/308:20:243
315379190,2phc2sys0-21swapper/308:15:243
315379190,2phc2sys0-21swapper/308:10:033
315379190,2phc2sys0-21swapper/307:50:193
315379190,2phc2sys0-21swapper/307:30:033
315379190,2phc2sys0-21swapper/307:30:033
315379181,3phc2sys0-21swapper/307:25:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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