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2025-12-26 - 21:39
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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 Fri Dec 26, 2025 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
300175922050,2sleep30-21swapper/311:05:013
30576542320,2sleep30-21swapper/311:36:153
26496282270,1sleep20-21swapper/207:15:012
2643639992624,1cyclictest2846697-21ssh09:40:010
2643639992311,7cyclictest0-21swapper/009:58:190
2643641992119,1cyclictest0-21swapper/211:55:022
2643639992112,5cyclictest3087491-21irqcore11:53:270
2643640992017,2cyclictest2883019-21cron10:00:001
264363999208,6cyclictest0-21swapper/010:43:200
2643639992010,6cyclictest3019863-21cat11:15:000
2649091191,6phc2sys0-21swapper/311:25:423
2643641991916,1cyclictest0-21swapper/211:20:002
2643640991916,2cyclictest3093084-21munin-plugin-st11:55:011
2643640991916,2cyclictest3074857-21apt-key11:45:011
2643640991915,2cyclictest134050irq/121-eno112:37:131
264363999198,6cyclictest0-21swapper/010:33:310
264363999197,7cyclictest0-21swapper/009:48:180
264363999196,7cyclictest0-21swapper/012:08:180
264363999193,5cyclictest3148032-21date12:25:010
264363999193,5cyclictest2824504-21kthreadcore09:28:270
2643639991917,1cyclictest3029227-21/usr/sbin/munin11:20:010
2643639991917,1cyclictest2837589-21/usr/sbin/munin09:35:010
2643639991916,2cyclictest2754891-21cron08:40:000
2643639991916,2cyclictest1290-21dbus-daemon12:35:010
2643639991916,2cyclictest0-21swapper/011:50:010
2643639991913,5cyclictest2815329-21kthreadcore09:23:250
2643639991912,6cyclictest3041016-21aten2.4-expect11:28:210
2643639991912,6cyclictest0-21swapper/009:20:020
2649091180,2phc2sys0-21swapper/310:08:563
2643641991815,1cyclictest0-21swapper/210:20:022
264364099188,3cyclictest501rcuop/207:38:301
264364099187,3cyclictest0-21swapper/112:25:011
264364099185,5cyclictest0-21swapper/111:33:181
2643640991815,2cyclictest3038098-21runrttasks11:24:421
2643640991815,2cyclictest2895541-21tail10:08:231
2643640991815,2cyclictest2742570-21dump-pmu-power08:30:001
2643640991814,3cyclictest2651761-21kthreadcore07:15:031
2643640991814,3cyclictest1326-21systemd-logind07:30:001
2643640991813,3cyclictest3113717-21/usr/sbin/munin12:08:231
264363999186,7cyclictest0-21swapper/010:25:020
2643639991815,2cyclictest3111359-21munin-plugin-st12:05:010
2643639991815,2cyclictest2643637-21cyclictest10:58:250
2643639991815,2cyclictest0-21swapper/011:45:010
2643639991814,2cyclictest2938278-21latency_hist10:30:010
2643639991810,7cyclictest0-21swapper/010:13:190
2649091170,6phc2sys0-21swapper/311:55:523
2649091170,2phc2sys0-21swapper/309:49:163
2649091170,2phc2sys0-21swapper/307:48:243
2649091170,1phc2sys0-21swapper/310:15:533
2649091170,1phc2sys0-21swapper/310:13:413
2649091170,1phc2sys0-21swapper/309:18:333
2649091170,1phc2sys0-21swapper/307:43:243
2643641991715,1cyclictest0-21swapper/208:38:272
2643641991714,1cyclictest0-21swapper/211:10:012
2643641991714,1cyclictest0-21swapper/211:00:012
264364099179,4cyclictest2822653-21sed09:28:251
2643640991714,2cyclictest2846791-21latency_hist09:40:011
2643640991714,2cyclictest2837572-21apt-key09:35:011
2643640991714,2cyclictest2676146-21latency_hist07:35:001
2643640991714,2cyclictest2676146-21latency_hist07:35:001
2643640991713,3cyclictest3004886-21sort11:08:201
2643640991713,3cyclictest2804468-21kthreadcore09:18:271
2643640991713,3cyclictest1288-1atopacctd09:40:031
2643640991712,4cyclictest3158985-21sshd12:32:261
2643640991712,3cyclictest2643637-21cyclictest10:24:381
2643640991712,1cyclictest191rcu_preempt12:19:211
264364099171,10cyclictest257-21systemd-journal12:30:021
2643640991710,3cyclictest3059644-21fschecks_count11:38:231
264363999177,5cyclictest0-21swapper/011:23:270
264363999176,6cyclictest0-21swapper/011:33:250
264363999174,2cyclictest27749251kthreadcore08:58:250
2643639991714,2cyclictest2748942-21apt-key08:35:010
2643639991714,2cyclictest2670051-21munin-plugin-st07:30:000
2643639991713,2cyclictest2956287-21munin-run10:40:010
2643639991710,6cyclictest0-21swapper/011:58:260
2643639991710,2cyclictest0-21swapper/011:10:020
2649091163,1phc2sys0-21swapper/311:09:033
2649091160,2phc2sys0-21swapper/310:25:123
2649091160,1phc2sys0-21swapper/310:30:363
2643641991614,1cyclictest0-21swapper/212:18:262
2643641991614,1cyclictest0-21swapper/208:20:002
2643641991613,1cyclictest0-21swapper/212:33:332
2643641991613,1cyclictest0-21swapper/212:10:012
2643641991613,1cyclictest0-21swapper/211:25:012
2643641991613,1cyclictest0-21swapper/210:32:062
2643641991613,1cyclictest0-21swapper/209:58:192
2643641991613,1cyclictest0-21swapper/209:35:012
2643641991613,1cyclictest0-21swapper/209:28:262
2643641991613,1cyclictest0-21swapper/209:13:202
2643641991613,1cyclictest0-21swapper/208:10:322
2643641991613,1cyclictest0-21swapper/207:25:002
264364199161,10cyclictest0-21swapper/209:50:012
264364099167,3cyclictest501rcuop/211:19:481
264364099166,5cyclictest2919143-21ssh10:19:071
2643640991613,2cyclictest3102291-21systemctl12:00:001
2643640991613,2cyclictest2954544-21head10:38:291
2643640991613,2cyclictest2812600-21tail09:23:191
2643640991613,2cyclictest2791261-21munin-plugin-st09:10:011
2643640991613,2cyclictest2643637-21cyclictest09:50:001
2643640991613,1cyclictest134050irq/121-eno111:50:021
2643640991612,3cyclictest2908164-21kthreadcore10:13:281
2643640991612,3cyclictest2745835-21kthreadcore08:33:251
2643640991612,3cyclictest134050irq/121-eno108:06:271
2643640991611,2cyclictest2931482-21/usr/sbin/munin10:28:191
2643640991610,2cyclictest134050irq/121-eno112:03:261
264364099160,4cyclictest2736529-21cat08:25:001
264363999169,6cyclictest2970010-21kthreadcore10:48:260
264363999169,3cyclictest3136572-21kthreadcore12:18:260
264363999168,7cyclictest1996-21runrttasks12:25:440
264363999168,4cyclictest0-21swapper/009:53:220
2643639991614,1cyclictest2885781-21cpuspeed10:03:210
2643639991613,2cyclictest2727884-21kthreadcore08:18:280
2643639991613,2cyclictest2643637-21cyclictest12:38:230
2643639991613,2cyclictest0-21swapper/009:10:000
2643639991612,3cyclictest2704033-21kthreadcore07:58:270
2643639991610,2cyclictest17350irq/127-ahci[0000:00:17.0]08:50:010
2649091150,1phc2sys0-21swapper/311:53:403
264364199155,4cyclictest0-21swapper/210:45:022
2643641991512,1cyclictest0-21swapper/212:28:252
2643641991512,1cyclictest0-21swapper/212:13:282
2643641991512,1cyclictest0-21swapper/210:15:012
2643641991512,1cyclictest0-21swapper/209:00:002
2643641991512,1cyclictest0-21swapper/208:35:002
2643641991512,1cyclictest0-21swapper/208:05:012
264364199151,10cyclictest0-21swapper/208:28:202
264364099158,3cyclictest2718730-21kworker/u16:2+xprtiod09:13:331
264364099157,5cyclictest1109-21hwrng10:46:061
264364099157,3cyclictest501rcuop/209:52:111
264364099156,3cyclictest501rcuop/210:44:051
2643640991512,2cyclictest2983583-21systemd-run10:55:011
2643640991512,2cyclictest2730767-21systemd-run08:20:021
2643640991512,2cyclictest2684192-21kthreadcore07:43:251
2643640991512,2cyclictest0-21swapper/108:40:011
2643640991511,3cyclictest2992615-21systemctl11:00:011
2643640991511,3cyclictest2985739-21kworker/u16:0+nfsiod12:11:261
2643640991511,3cyclictest2985739-21kworker/u16:0+nfsiod11:01:331
2643640991511,3cyclictest2661511-21kthreadcore07:23:261
2643640991511,3cyclictest2648737-21latency07:13:271
264363999158,2cyclictest0-21swapper/009:41:120
264363999157,6cyclictest2709886-21tr08:03:270
264363999151,8cyclictest2767555-21apt-get08:53:190
2643639991513,1cyclictest2718730-21kworker/u16:2-rpciod10:19:560
2643639991512,2cyclictest2699722-21systemctl07:53:320
2643639991512,2cyclictest2650938-21kthreadcore07:15:020
2643639991512,2cyclictest1290-21dbus-daemon09:15:010
2643639991512,2cyclictest0-21swapper/012:15:010
2643639991511,3cyclictest2650147-21kthreadcore07:15:030
2649091140,2phc2sys0-21swapper/312:36:583
2649091140,2phc2sys0-21swapper/312:27:263
2649091140,2phc2sys0-21swapper/311:23:583
2649091140,2phc2sys0-21swapper/309:26:413
2649091140,1phc2sys0-21swapper/311:42:523
2643641991412,1cyclictest0-21swapper/210:38:272
2643641991411,1cyclictest0-21swapper/212:03:222
2643641991411,1cyclictest0-21swapper/211:15:012
2643641991411,1cyclictest0-21swapper/210:50:012
2643641991411,1cyclictest0-21swapper/210:07:132
2643641991411,1cyclictest0-21swapper/209:05:002
2643641991411,1cyclictest0-21swapper/208:45:232
2643641991411,1cyclictest0-21swapper/207:33:282
2643641991411,1cyclictest0-21swapper/207:33:282
264364199140,10cyclictest0-21swapper/209:43:292
264364099149,1cyclictest2748756-21kworker/1:1+events_freezable08:53:261
264364099148,1cyclictest601rcuop/311:10:221
264364099144,4cyclictest2890189-21tr10:03:281
2643640991412,1cyclictest1109-21hwrng11:28:061
2643640991410,3cyclictest2929034-21kworker/u16:3+nfsiod10:30:441
264363999148,5cyclictest2718730-21kworker/u16:2-rpciod10:50:390
264363999146,7cyclictest0-21swapper/011:03:220
264363999145,5cyclictest0-21swapper/008:42:510
2643639991411,2cyclictest3059073-21aten_repower_en11:38:210
2643639991411,2cyclictest2782382-21kthreadcore09:03:270
2643639991411,2cyclictest2742585-21perf08:30:000
2643639991411,2cyclictest2719659-21gltestperf08:13:220
2643639991411,2cyclictest2714203-21kthreadcore08:08:260
2643639991411,2cyclictest2680340-21kthreadcore07:38:290
2643639991411,2cyclictest1-21systemd08:20:260
2643639991410,3cyclictest2685894-21kthreadcore07:43:260
2643639991410,3cyclictest2662262-21kthreadcore07:23:270
2649091131,4phc2sys0-21swapper/311:18:073
2649091130,6phc2sys0-21swapper/307:08:213
2649091130,2phc2sys0-21swapper/310:56:033
2649091130,2phc2sys0-21swapper/309:38:283
2649091130,2phc2sys0-21swapper/307:39:203
2643641991311,1cyclictest0-21swapper/212:23:252
2643641991311,1cyclictest0-21swapper/212:00:012
2643641991311,1cyclictest0-21swapper/211:43:292
2643641991311,1cyclictest0-21swapper/207:43:282
2643641991311,1cyclictest0-21swapper/207:15:032
264364199131,10cyclictest0-21swapper/210:26:162
2643641991310,1cyclictest0-21swapper/211:48:252
2643641991310,1cyclictest0-21swapper/211:03:272
2643641991310,1cyclictest0-21swapper/210:53:272
2643641991310,1cyclictest0-21swapper/210:23:292
2643641991310,1cyclictest0-21swapper/210:03:272
2643641991310,1cyclictest0-21swapper/209:38:302
2643641991310,1cyclictest0-21swapper/209:18:012
2643641991310,1cyclictest0-21swapper/208:53:232
2643641991310,1cyclictest0-21swapper/208:44:092
2643641991310,1cyclictest0-21swapper/208:23:312
2643641991310,1cyclictest0-21swapper/207:53:292
2643641991310,1cyclictest0-21swapper/207:48:292
2643641991310,1cyclictest0-21swapper/207:38:272
264364099139,3cyclictest2697294-21kthreadcore07:53:281
264364099135,3cyclictest501rcuop/209:01:091
264364099135,3cyclictest501rcuop/208:45:381
264364099135,3cyclictest501rcuop/208:41:541
264364099135,3cyclictest501rcuop/208:01:341
264364099135,3cyclictest501rcuop/207:47:561
264364099134,3cyclictest501rcuop/207:55:371
2643640991310,2cyclictest2775729-21kthreadcore08:58:261
2643640991310,2cyclictest2720480-21kthreadcore08:13:251
264363999139,3cyclictest2691503-21kthreadcore07:48:250
264363999134,1cyclictest0-21swapper/010:05:070
264363999130,8cyclictest2643694-21munin-run07:10:010
264363999130,7cyclictest2675229-21wc07:33:250
264363999130,7cyclictest2675229-21wc07:33:250
2649091121,3phc2sys0-21swapper/310:48:233
2649091120,2phc2sys0-21swapper/312:21:243
2649091120,2phc2sys0-21swapper/309:57:543
2649091120,2phc2sys0-21swapper/309:32:363
2649091120,2phc2sys0-21swapper/307:13:193
2649091120,1phc2sys0-21swapper/310:02:393
2649091120,1phc2sys0-21swapper/309:53:433
2649091120,1phc2sys0-21swapper/309:24:263
264364199129,1cyclictest0-21swapper/211:36:172
2643641991210,1cyclictest0-21swapper/211:25:022
2643641991210,1cyclictest0-21swapper/208:08:292
2649091110,2phc2sys0-21swapper/312:33:203
2649091110,2phc2sys0-21swapper/309:11:243
2649091110,2phc2sys0-21swapper/309:08:203
2649091110,1phc2sys0-21swapper/312:11:413
2649091110,1phc2sys0-21swapper/312:01:573
2649091110,1phc2sys0-21swapper/309:40:153
264364199119,1cyclictest0-21swapper/212:35:412
264364199119,1cyclictest0-21swapper/209:53:272
264364199119,1cyclictest0-21swapper/209:22:082
264364199119,1cyclictest0-21swapper/207:25:242
264364199118,1cyclictest0-21swapper/211:31:362
264364199118,1cyclictest0-21swapper/209:08:212
264364199118,1cyclictest0-21swapper/207:58:232
264364099110,2cyclictest2643761-21unin-run07:10:021
2649091102,1phc2sys0-21swapper/308:01:163
2649091100,2phc2sys0-21swapper/312:16:053
2649091100,2phc2sys0-21swapper/312:08:183
2649091100,2phc2sys0-21swapper/311:30:473
2649091100,2phc2sys0-21swapper/310:35:573
2649091100,2phc2sys0-21swapper/308:43:273
2649091100,2phc2sys0-21swapper/308:28:203
2649091100,2phc2sys0-21swapper/307:28:223
2649091100,1phc2sys0-21swapper/308:31:373
2649091100,1phc2sys0-21swapper/308:14:103
2649091100,1phc2sys0-21swapper/307:50:183
2649091100,1phc2sys0-21swapper/307:22:253
264909191,2phc2sys0-21swapper/307:15:033
264909190,2phc2sys0-21swapper/311:48:113
264909190,2phc2sys0-21swapper/311:11:003
264909190,2phc2sys0-21swapper/310:42:303
264909190,2phc2sys0-21swapper/310:20:423
264909190,2phc2sys0-21swapper/309:03:273
264909190,2phc2sys0-21swapper/308:19:553
264909190,2phc2sys0-21swapper/308:06:413
264909190,2phc2sys0-21swapper/307:33:193
264909190,2phc2sys0-21swapper/307:33:193
264909190,1phc2sys0-21swapper/310:51:063
264909190,1phc2sys0-21swapper/308:39:563
264909190,1phc2sys0-21swapper/308:23:393
26436419997,1cyclictest0-21swapper/207:10:022
264909181,2phc2sys0-21swapper/308:50:363
264909180,3phc2sys0-21swapper/308:58:333
264909180,2phc2sys0-21swapper/307:58:233
264909180,1phc2sys0-21swapper/308:45:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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