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2026-03-13 - 15:45
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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 Mar 13, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
316603722320,3sleep30-21swapper/312:31:403
296112921040,1sleep30-21swapper/310:36:013
28263252410,1sleep00-21swapper/009:17:590
30682552280,2sleep1191rcu_preempt11:36:391
30844672270,2sleep20-21swapper/211:45:212
2661408992517,7cyclictest2995334-21cat10:55:001
2661409992422,1cyclictest0-21swapper/211:00:012
2661409992421,1cyclictest0-21swapper/211:35:002
2661409992417,3cyclictest0-21swapper/209:50:012
2661408992421,2cyclictest2880816-21cat09:50:001
2661409992311,1cyclictest0-21swapper/212:30:012
2661408992314,8cyclictest2865106-21fschecks_time09:41:381
2661408992314,8cyclictest2785968-21gltestperf08:51:391
2661408992314,8cyclictest2693808-21cat07:35:001
2661408992312,7cyclictest2837725-21/usr/sbin/munin09:26:421
2661407992316,6cyclictest0-21swapper/009:00:000
27963532220,2sleep30-21swapper/308:56:463
2661409992219,1cyclictest0-21swapper/211:20:002
266140899229,8cyclictest3103433-21fschecks_time11:56:381
2661408992214,7cyclictest3145999-21cut12:20:021
2661408992214,7cyclictest3112914-21kthreadcore12:01:411
2661408992214,7cyclictest2834000-21mailstats09:21:461
2661407992212,5cyclictest0-21swapper/011:50:010
266140799220,13cyclictest3105839-21cut11:56:420
2661409992118,1cyclictest0-21swapper/208:20:002
2661409992112,1cyclictest0-21swapper/208:30:002
2661408992114,6cyclictest3169846-21phc2sys12:31:441
2661408992114,6cyclictest1288-1atopacctd07:39:441
2661408992113,7cyclictest2724322-21cut08:00:011
2661408992112,8cyclictest2970403-21aten_repower_vo10:41:351
2661408992112,8cyclictest2893160-21kthreadcore09:56:421
2661408992112,7cyclictest3154943-21latency_hist12:25:021
2661408992112,4cyclictest2979444-21cstates10:46:371
266140899210,4cyclictest0-21swapper/111:41:351
2661407992115,5cyclictest1288-1atopacctd09:58:420
2661409992017,1cyclictest0-21swapper/208:55:012
2661409992016,2cyclictest0-21swapper/207:30:022
2661409992011,1cyclictest0-21swapper/209:15:012
266140899209,10cyclictest2783975-21pmu-power08:46:461
266140899204,5cyclictest257-21systemd-journal12:35:021
266140899204,2cyclictest0-21swapper/109:16:361
266140899203,6cyclictest1290-21dbus-daemon09:36:451
2661408992013,6cyclictest2968937-21systemd-run10:40:001
2661408992012,7cyclictest1-21systemd11:20:001
2661408992012,7cyclictest0-21swapper/111:01:441
2661408992011,8cyclictest3000130-21kthreadcore10:56:421
2661408992010,9cyclictest2683619-21kthreadcore07:26:421
2661407992017,2cyclictest3039596-21apt-key11:20:000
2661407992017,2cyclictest2818789-21apt-key09:15:010
2661407992010,6cyclictest3111522-21/usr/sbin/munin12:01:360
2661409991916,1cyclictest0-21swapper/211:40:012
2661409991916,1cyclictest0-21swapper/208:25:012
266140899199,2cyclictest2754145-21unixbench-2d08:21:461
266140899198,2cyclictest0-21swapper/110:01:321
266140899194,4cyclictest0-21swapper/110:26:401
266140899194,3cyclictest2661405-21cyclictest08:15:271
2661408991916,2cyclictest1326-21systemd-logind08:10:011
266140899191,5cyclictest0-21swapper/109:31:341
2661408991915,3cyclictest2811191-21tr09:11:351
2661408991912,6cyclictest0-21swapper/108:30:001
2661408991911,7cyclictest3057508-21sh11:30:011
2661408991911,7cyclictest2664512-21kthreadcore07:11:421
2661408991911,3cyclictest0-21swapper/110:25:001
2661408991910,8cyclictest3157476-21kthreadcore12:26:431
2661408991910,8cyclictest2909859-21irqrtprio10:06:401
2661408991910,8cyclictest2676230-21aten_repower_po07:21:341
2661408991910,2cyclictest4114978-21snmpd11:34:041
266140799192,12cyclictest2784285-21sed08:46:480
266140799191,6cyclictest3129319-21apt-get12:11:340
2661407991915,3cyclictest241rcuc/011:24:510
2661407991913,1cyclictest601rcuop/310:31:400
2661407991910,5cyclictest3166781-21kthreadcore12:31:410
266140799190,8cyclictest2943892-21aten_repower_en10:26:340
2661409991815,1cyclictest0-21swapper/212:01:342
2661409991815,1cyclictest0-21swapper/211:26:412
2661409991815,1cyclictest0-21swapper/209:40:012
2661409991813,3cyclictest0-21swapper/210:30:002
2661409991813,3cyclictest0-21swapper/207:40:002
2661409991810,1cyclictest0-21swapper/211:05:012
2661409991810,1cyclictest0-21swapper/210:10:012
266140899189,2cyclictest2928810-21kthreadcore10:16:411
266140899189,2cyclictest2889617-21kworker/u16:3-rpciod11:11:361
266140899188,2cyclictest2805106-21irqrtprio09:06:401
266140899185,5cyclictest2713764-21cut07:51:401
266140899183,5cyclictest2777746-21cat08:41:431
266140899181,4cyclictest0-21swapper/109:51:341
2661408991811,6cyclictest3130302-21irqcore12:11:391
2661408991811,6cyclictest2955227-21kthreadcore10:31:421
2661408991811,6cyclictest2791723-21aten2.4-expect08:56:361
2661408991810,7cyclictest3092848-21sh11:50:011
2661408991810,7cyclictest2918845-21kthreadcore10:11:411
2661408991810,7cyclictest2764064-21kthreadcore08:31:411
2661408991810,7cyclictest2740781-21kthreadcore08:11:431
2661408991810,7cyclictest2673939-21kthreadcore07:16:421
266140799189,4cyclictest0-21swapper/011:15:010
266140799184,6cyclictest2889617-21kworker/u16:3+xprtiod12:23:100
2661407991815,2cyclictest2687880-21sh07:30:010
2661407991813,4cyclictest3070388-21kthreadcore11:36:430
266140799180,8cyclictest2836700-21ls09:25:020
266140799180,6cyclictest2670959-21ps07:16:400
2649091180,2phc2sys0-21swapper/311:53:103
2661409991715,1cyclictest0-21swapper/212:10:002
2661409991715,1cyclictest0-21swapper/210:05:012
2661409991715,1cyclictest0-21swapper/210:00:022
2661409991715,1cyclictest0-21swapper/209:05:012
2661409991715,1cyclictest0-21swapper/207:25:022
2661409991714,1cyclictest0-21swapper/212:25:012
2661409991714,1cyclictest0-21swapper/210:31:432
2661409991714,1cyclictest0-21swapper/209:31:472
2661409991714,1cyclictest0-21swapper/209:30:012
2661409991714,1cyclictest0-21swapper/208:06:422
2661409991712,3cyclictest0-21swapper/211:15:002
2661409991712,3cyclictest0-21swapper/210:15:022
266140899179,2cyclictest2702198-21kthreadcore07:41:411
266140899179,2cyclictest257-21systemd-journal11:10:001
266140899177,2cyclictest3095343-21kthreadcore11:51:411
266140899175,5cyclictest3121406-21sed12:06:391
266140899174,5cyclictest2725034-21cut08:01:361
266140799178,4cyclictest0-21swapper/010:40:000
266140799177,5cyclictest0-21swapper/012:30:010
2661407991714,2cyclictest3021894-21cut11:10:010
2661407991714,2cyclictest2845301-21sh09:30:010
2661407991714,2cyclictest2730552-21munin-plugin-st08:05:020
2661407991714,2cyclictest2661405-21cyclictest10:11:410
2661407991714,2cyclictest1313-21gmain08:20:010
2661407991712,1cyclictest0-21swapper/010:52:410
2661407991711,1cyclictest601rcuop/309:40:380
2661407991710,1cyclictest601rcuop/311:43:300
266140799170,6cyclictest3058725-21http11:31:340
2649091170,3phc2sys0-21swapper/310:44:153
2649091170,2phc2sys0-21swapper/310:59:313
2649091170,2phc2sys0-21swapper/309:50:013
2649091170,1phc2sys0-21swapper/311:15:143
266140999168,1cyclictest0-21swapper/209:45:012
2661409991613,1cyclictest0-21swapper/212:00:002
2661409991613,1cyclictest0-21swapper/210:21:382
2661409991613,1cyclictest0-21swapper/208:40:012
2661409991613,1cyclictest0-21swapper/208:05:002
2661409991613,1cyclictest0-21swapper/207:15:012
266140899164,5cyclictest2707799-21cut07:46:411
266140899164,4cyclictest2767033-21cat08:36:331
266140899161,4cyclictest0-21swapper/111:21:411
266140899160,4cyclictest2797860-21/usr/sbin/munin09:01:431
266140799169,1cyclictest601rcuop/307:36:030
266140799168,4cyclictest2908960-21cstates10:06:360
266140799167,4cyclictest501rcuop/208:40:020
266140799167,2cyclictest0-21swapper/010:41:420
266140799166,5cyclictest0-21swapper/012:10:020
266140799161,7cyclictest3172946-21kworker/u16:1+rpciod12:39:160
2661407991614,1cyclictest2933962-21cut10:20:020
2661407991614,1cyclictest2693791-21idleruntime-cro07:35:000
2661407991613,2cyclictest3145171-21kworker/u16:0-writeback12:20:020
2661407991613,2cyclictest2883071-21irqcore09:51:400
2661407991613,2cyclictest2873852-21fschecks_count09:46:400
2661407991613,2cyclictest257-21systemd-journal10:05:010
2661407991611,1cyclictest191rcu_preempt10:21:430
2661407991610,1cyclictest601rcuop/310:49:440
2661407991610,1cyclictest601rcuop/308:25:080
266140799160,9cyclictest3054513-21missed_timers11:26:440
2649091160,5phc2sys0-21swapper/309:01:353
2649091160,2phc2sys0-21swapper/312:19:103
2661409991512,1cyclictest0-21swapper/212:35:002
2661409991512,1cyclictest0-21swapper/212:15:012
2661409991512,1cyclictest0-21swapper/211:21:382
2661409991512,1cyclictest0-21swapper/210:55:002
2661409991512,1cyclictest0-21swapper/210:36:402
2661409991512,1cyclictest0-21swapper/209:16:412
2661409991512,1cyclictest0-21swapper/209:00:002
2661409991512,1cyclictest0-21swapper/208:31:392
266140899150,5cyclictest2661255-21latency_hist07:10:011
266140799158,1cyclictest601rcuop/311:50:440
266140799158,1cyclictest601rcuop/308:31:490
266140799157,4cyclictest0-21swapper/010:56:400
266140799154,6cyclictest2667354-21awk07:15:000
266140799153,2cyclictest191rcu_preempt11:01:420
266140799152,1cyclictest191rcu_preempt09:31:340
2661407991512,2cyclictest2735707-21mailstats08:06:450
2661407991512,2cyclictest2706413-21latency_hist07:45:010
2661407991512,2cyclictest0-21swapper/008:55:010
2649091150,2phc2sys0-21swapper/311:27:443
266140999141,6cyclictest0-21swapper/211:10:012
2661409991412,1cyclictest0-21swapper/211:40:022
2661409991412,1cyclictest0-21swapper/209:51:422
2661409991412,1cyclictest0-21swapper/207:35:012
2661409991411,1cyclictest0-21swapper/212:39:432
2661409991411,1cyclictest0-21swapper/212:16:412
2661409991411,1cyclictest0-21swapper/210:46:462
2661409991411,1cyclictest0-21swapper/209:21:432
2661409991411,1cyclictest0-21swapper/209:06:402
2661409991411,1cyclictest0-21swapper/208:11:422
2661409991411,1cyclictest0-21swapper/207:51:382
266140799148,5cyclictest0-21swapper/009:36:410
266140799148,1cyclictest601rcuop/307:45:440
266140799144,3cyclictest0-21swapper/007:21:200
266140799142,7cyclictest2798227-21cstates09:01:370
2661407991411,2cyclictest2741478-21missed_timers08:11:440
2661407991411,2cyclictest2718719-21aten_repower_en07:56:340
2661407991411,2cyclictest2713211-21fschecks_count07:51:370
2661407991411,2cyclictest1286-21avahi-daemon08:36:450
2661407991410,1cyclictest601rcuop/309:08:200
2661407991410,1cyclictest601rcuop/308:20:510
2649091148,2phc2sys0-21swapper/308:01:383
2649091141,3phc2sys0-21swapper/312:37:073
2649091140,4phc2sys0-21swapper/311:49:193
2649091140,2phc2sys0-21swapper/312:01:543
2649091140,2phc2sys0-21swapper/310:28:453
2649091140,2phc2sys0-21swapper/310:21:023
2661409991311,1cyclictest0-21swapper/210:41:402
2661409991311,1cyclictest0-21swapper/207:56:352
2661409991311,1cyclictest0-21swapper/207:16:412
2661409991310,1cyclictest0-21swapper/208:46:392
2661409991310,1cyclictest0-21swapper/207:46:462
2661409991310,1cyclictest0-21swapper/207:41:382
2649091134,2phc2sys0-21swapper/309:43:003
2649091132,2phc2sys0-21swapper/309:25:093
2649091131,2phc2sys0-21swapper/310:04:453
2649091130,2phc2sys0-21swapper/312:29:173
2649091130,2phc2sys0-21swapper/311:55:423
2649091130,2phc2sys0-21swapper/311:02:423
2649091130,2phc2sys0-21swapper/309:13:033
2649091130,1phc2sys0-21swapper/307:38:163
30288472120,4sleep30-21swapper/311:12:253
266140999129,1cyclictest0-21swapper/208:41:412
2661409991210,1cyclictest0-21swapper/211:51:412
2661409991210,1cyclictest0-21swapper/210:15:532
2661409991210,1cyclictest0-21swapper/207:10:012
2649091123,1phc2sys0-21swapper/311:08:323
2649091121,3phc2sys0-21swapper/309:21:443
2649091121,2phc2sys0-21swapper/308:36:393
2649091120,2phc2sys0-21swapper/311:20:273
2649091120,2phc2sys0-21swapper/310:50:373
2649091120,1phc2sys0-21swapper/310:47:123
2649091120,1phc2sys0-21swapper/307:49:183
2649091113,2phc2sys0-21swapper/310:05:043
2649091112,2phc2sys0-21swapper/308:25:013
2649091111,2phc2sys0-21swapper/309:32:303
2649091110,2phc2sys0-21swapper/312:14:503
2649091110,2phc2sys0-21swapper/311:31:333
2649091110,2phc2sys0-21swapper/310:11:443
2649091110,2phc2sys0-21swapper/309:56:353
2649091110,2phc2sys0-21swapper/309:40:003
2649091110,2phc2sys0-21swapper/309:16:153
2649091110,2phc2sys0-21swapper/307:16:083
2649091110,1phc2sys0-21swapper/308:49:053
2649091110,1phc2sys0-21swapper/308:25:493
2649091110,1phc2sys0-21swapper/308:07:303
2649091110,1phc2sys0-21swapper/307:13:523
266140799101,5cyclictest0-21swapper/007:10:010
2649091101,3phc2sys0-21swapper/307:30:023
2649091101,2phc2sys0-21swapper/312:21:473
2649091101,2phc2sys0-21swapper/311:36:063
2649091101,2phc2sys0-21swapper/310:31:453
2649091100,2phc2sys0-21swapper/311:40:233
2649091100,2phc2sys0-21swapper/310:16:513
2649091100,2phc2sys0-21swapper/309:50:343
2649091100,2phc2sys0-21swapper/309:06:413
2649091100,2phc2sys0-21swapper/308:43:283
264909196,1phc2sys0-21swapper/308:53:123
264909191,2phc2sys0-21swapper/307:06:353
264909190,2phc2sys0-21swapper/312:05:043
264909190,2phc2sys0-21swapper/308:30:103
264909190,2phc2sys0-21swapper/308:16:393
264909190,2phc2sys0-21swapper/308:11:383
264909190,2phc2sys0-21swapper/307:51:353
264909190,2phc2sys0-21swapper/307:41:043
264909190,2phc2sys0-21swapper/307:21:333
264909190,1phc2sys0-21swapper/307:30:553
264909180,3phc2sys0-21swapper/307:56:353
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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