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2025-12-15 - 15:53
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackbslot6.osadl.org (updated Mon Dec 15, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1504321750,4sleep2347999cyclictest12:06:432
1068911700,5ptp4l401ktimersoftd/307:06:513
1068911700,5ptp4l401ktimersoftd/307:06:513
249122760,2sleep20-21swapper/212:26:542
310502650,3sleep20-21swapper/208:06:562
210222620,2sleep221026-21sed12:17:032
236962600,4sleep3348999cyclictest07:51:523
313125926,22sleep20-21swapper/207:08:352
313125926,22sleep20-21swapper/207:08:352
3469995547,4cyclictest9-21ksoftirqd/011:56:560
41852540,1sleep30-21swapper/310:32:103
3469995446,4cyclictest9-21ksoftirqd/009:21:500
262932540,2sleep00-21swapper/007:56:550
3469995345,4cyclictest9-21ksoftirqd/010:21:520
3469995245,4cyclictest9-21ksoftirqd/010:01:520
3469995244,4cyclictest9-21ksoftirqd/012:06:560
3469995243,5cyclictest9-21ksoftirqd/011:11:530
3469995144,4cyclictest9-21ksoftirqd/011:16:550
3469994940,5cyclictest9-21ksoftirqd/008:46:510
3469994940,4cyclictest9-21ksoftirqd/012:36:550
158592470,2sleep00-21swapper/007:35:430
28462454,25sleep13004-21/usr/sbin/munin07:07:041
28462454,25sleep13004-21/usr/sbin/munin07:07:041
3469994411,7cyclictest9-21ksoftirqd/012:01:580
3469994330,5cyclictest9-21ksoftirqd/012:16:560
3469994321,6cyclictest9-21ksoftirqd/007:21:580
3469994217,3cyclictest9-21ksoftirqd/011:46:590
3469994028,9cyclictest9-21ksoftirqd/010:31:580
3469993928,5cyclictest9-21ksoftirqd/008:16:500
106891390,1ptp4l401ktimersoftd/310:53:473
3469993830,4cyclictest9-21ksoftirqd/010:36:530
244372380,1sleep00-21swapper/007:51:570
106891380,1ptp4l401ktimersoftd/311:52:043
3489993712,22cyclictest16933-21grep09:51:593
348999370,34cyclictest18298-21cron07:41:363
106891370,1ptp4l401ktimersoftd/310:14:493
106891370,0ptp4l401ktimersoftd/308:34:163
106891370,0ptp4l401ktimersoftd/308:27:103
3469993612,3cyclictest9-21ksoftirqd/009:01:530
3469993612,3cyclictest9-21ksoftirqd/009:01:530
106891360,0ptp4l401ktimersoftd/311:49:233
106891360,0ptp4l401ktimersoftd/311:03:143
106891360,0ptp4l401ktimersoftd/308:10:003
348999352,6cyclictest0-21swapper/308:51:503
3489993519,13cyclictest41-21ksoftirqd/309:07:473
3489993513,19cyclictest12416-21/usr/sbin/munin08:36:583
3489993511,21cyclictest31778-21idleruntime-cro12:41:433
3489993511,21cyclictest29971-21sed11:27:023
3474993528,4cyclictest3709-21cron09:26:391
106891350,0ptp4l401ktimersoftd/312:00:193
348999343,28cyclictest11985-21cut07:26:533
348999342,5cyclictest0-21swapper/307:31:483
348999341,5cyclictest0-21swapper/309:31:503
348999341,3cyclictest0-21swapper/309:36:513
3489993411,20cyclictest1734-21timerandwakeup10:27:093
3469993428,3cyclictest9-21ksoftirqd/008:41:550
3469993428,3cyclictest9-21ksoftirqd/008:16:370
3469993410,4cyclictest9-21ksoftirqd/009:41:570
14222340,2sleep30-21swapper/308:11:553
348999338,3cyclictest28633-21cut10:16:593
348999337,4cyclictest8517-21phc2sys-jitter10:42:033
348999337,4cyclictest29763-21unixbench_singl08:02:073
348999333,8cyclictest18631-21apt-get07:41:493
348999332,5cyclictest0-21swapper/311:06:533
348999332,5cyclictest0-21swapper/309:01:513
348999332,5cyclictest0-21swapper/309:01:513
348999331,10cyclictest0-21swapper/311:41:553
3469993327,3cyclictest9-21ksoftirqd/009:31:540
3469993327,3cyclictest9-21ksoftirqd/007:47:040
3469993321,9cyclictest9-21ksoftirqd/011:22:110
348999329,4cyclictest20878-21irqrtprio12:17:033
348999328,3cyclictest21884-21fschecks_count11:11:573
348999327,3cyclictest5491-21timerandwakeup09:27:073
348999327,3cyclictest0-21swapper/310:36:593
3469993227,3cyclictest9-21ksoftirqd/012:31:430
3469993226,3cyclictest9-21ksoftirqd/010:46:550
3469993225,3cyclictest9-21ksoftirqd/008:31:560
88872310,2sleep20-21swapper/207:21:362
348999319,3cyclictest6828-21cat07:16:503
348999319,3cyclictest27033-21latency_hist12:31:433
348999318,3cyclictest23890-21irqrtprio10:06:583
348999316,3cyclictest17940-21wc12:11:563
348999312,9cyclictest31092-21apt-get11:31:543
348999312,4cyclictest0-21swapper/310:56:553
348999312,4cyclictest0-21swapper/310:56:553
348999311,4cyclictest0-21swapper/309:11:503
3489993112,16cyclictest15584-21fschecks_count12:06:593
3489993110,3cyclictest21209-21cat10:01:573
3469993126,3cyclictest9-21ksoftirqd/011:02:040
3469993126,3cyclictest9-21ksoftirqd/010:46:410
3469993126,3cyclictest9-21ksoftirqd/010:26:570
3469993126,3cyclictest9-21ksoftirqd/008:57:060
3469993126,3cyclictest9-21ksoftirqd/008:57:060
3469993126,3cyclictest9-21ksoftirqd/007:21:360
3469993126,3cyclictest9-21ksoftirqd/007:16:360
3469993125,3cyclictest9-21ksoftirqd/010:57:020
3469993125,3cyclictest9-21ksoftirqd/010:57:020
3469993125,3cyclictest9-21ksoftirqd/008:41:370
3469993125,3cyclictest9-21ksoftirqd/007:36:520
348999307,3cyclictest223792chrt07:47:023
348999307,3cyclictest19223-21seq08:50:423
348999307,3cyclictest13055-21seq09:44:543
3489993011,16cyclictest14215-21mailstats12:02:053
347999300,27cyclictest27780-21cron08:01:372
3469993025,3cyclictest9-21ksoftirqd/008:02:050
3469993024,3cyclictest9-21ksoftirqd/012:12:120
3469993024,3cyclictest9-21ksoftirqd/010:01:400
3469993024,3cyclictest9-21ksoftirqd/009:51:400
3469993024,3cyclictest9-21ksoftirqd/009:16:390
346999300,3cyclictest121rcu_preempt07:11:360
346999300,3cyclictest121rcu_preempt07:11:360
9672290,5sleep2971-21irqrtprio10:26:592
348999299,3cyclictest31642-21mailstats10:22:033
348999299,3cyclictest25353-21sed11:17:103
348999298,3cyclictest15051-21cstates08:41:523
348999292,6cyclictest18239-21apt-get09:56:523
348999292,5cyclictest27345-21apt-get12:31:563
3469992924,3cyclictest9-21ksoftirqd/008:51:580
3469992924,3cyclictest9-21ksoftirqd/008:11:370
3469992923,3cyclictest9-21ksoftirqd/011:36:420
3469992923,3cyclictest9-21ksoftirqd/010:16:520
3469992923,3cyclictest9-21ksoftirqd/010:06:410
3469992923,3cyclictest9-21ksoftirqd/009:26:550
3469992915,6cyclictest9-21ksoftirqd/012:26:430
3469992911,5cyclictest9-21ksoftirqd/008:22:070
348999287,3cyclictest31843-21cstates09:16:523
348999287,3cyclictest26620-21diskstats11:21:573
348999287,3cyclictest22175-21cat08:56:523
348999287,3cyclictest22175-21cat08:56:523
348999286,3cyclictest4940-21ptp4l07:11:543
348999285,4cyclictest0-21swapper/312:26:433
348999285,3cyclictest10581-21timedrift07:22:033
348999281,4cyclictest0-21swapper/310:46:543
3479992822,3cyclictest33-21ksoftirqd/212:11:462
3479992821,4cyclictest13565-21cron07:31:362
3474992822,3cyclictest25-21ksoftirqd/111:57:021
3469992824,3cyclictest9-21ksoftirqd/010:51:570
3469992824,2cyclictest9-21ksoftirqd/009:21:390
3469992823,3cyclictest9-21ksoftirqd/011:42:010
3469992823,3cyclictest9-21ksoftirqd/011:37:100
3469992823,3cyclictest9-21ksoftirqd/011:06:570
3469992823,3cyclictest9-21ksoftirqd/009:51:540
3469992823,3cyclictest9-21ksoftirqd/009:06:580
3469992823,3cyclictest9-21ksoftirqd/007:31:360
3469992822,3cyclictest9-21ksoftirqd/012:32:000
3469992822,3cyclictest9-21ksoftirqd/011:26:550
3469992822,3cyclictest9-21ksoftirqd/010:11:560
3469992822,3cyclictest9-21ksoftirqd/007:41:550
3489992721,3cyclictest41-21ksoftirqd/311:38:033
348999271,9cyclictest5324-21/usr/sbin/munin08:21:553
3479992722,3cyclictest33-21ksoftirqd/209:01:382
3479992722,3cyclictest33-21ksoftirqd/209:01:382
3479992720,4cyclictest33-21ksoftirqd/208:20:092
3474992722,3cyclictest25-21ksoftirqd/111:26:511
3474992720,4cyclictest25-21ksoftirqd/112:27:581
3474992720,4cyclictest25-21ksoftirqd/110:51:191
3469992723,2cyclictest9-21ksoftirqd/008:27:060
3469992721,3cyclictest9-21ksoftirqd/011:51:590
3469992721,3cyclictest9-21ksoftirqd/009:36:550
348999268,3cyclictest3509-21idleruntime08:16:543
348999265,4cyclictest15564-21latency_hist09:51:403
3479992620,4cyclictest33-21ksoftirqd/211:14:442
3479992620,3cyclictest33-21ksoftirqd/210:56:542
3479992620,3cyclictest33-21ksoftirqd/210:56:542
3479992620,3cyclictest33-21ksoftirqd/210:16:562
3479992620,3cyclictest33-21ksoftirqd/209:30:532
3479992619,4cyclictest33-21ksoftirqd/212:24:502
3479992619,4cyclictest33-21ksoftirqd/210:37:512
3479992619,4cyclictest33-21ksoftirqd/210:12:422
3479992619,4cyclictest33-21ksoftirqd/209:23:082
3474992621,3cyclictest25-21ksoftirqd/112:06:431
3474992621,3cyclictest25-21ksoftirqd/110:01:531
3474992619,4cyclictest25-21ksoftirqd/111:23:381
3474992619,4cyclictest25-21ksoftirqd/108:56:051
3474992619,4cyclictest25-21ksoftirqd/108:39:391
3474992619,4cyclictest25-21ksoftirqd/107:17:581
348999255,4cyclictest25709-21acpi07:56:493
3479992520,3cyclictest33-21ksoftirqd/211:21:552
3479992519,3cyclictest33-21ksoftirqd/212:00:532
3479992518,4cyclictest33-21ksoftirqd/211:39:092
3479992518,4cyclictest33-21ksoftirqd/210:07:562
3479992518,4cyclictest33-21ksoftirqd/209:59:012
3479992518,4cyclictest33-21ksoftirqd/209:39:142
3479992518,4cyclictest33-21ksoftirqd/209:16:382
3479992518,4cyclictest33-21ksoftirqd/208:13:512
347999250,2cyclictest121rcu_preempt09:16:542
3474992519,4cyclictest25-21ksoftirqd/111:08:131
3474992519,3cyclictest25-21ksoftirqd/112:39:551
3474992519,3cyclictest25-21ksoftirqd/110:55:311
3474992518,4cyclictest25-21ksoftirqd/110:31:281
3474992518,4cyclictest25-21ksoftirqd/109:46:231
3474992518,4cyclictest25-21ksoftirqd/109:20:301
3479992419,3cyclictest33-21ksoftirqd/212:11:172
3479992419,3cyclictest33-21ksoftirqd/207:31:532
3479992418,4cyclictest33-21ksoftirqd/210:25:512
3479992418,4cyclictest33-21ksoftirqd/208:05:042
3479992418,3cyclictest33-21ksoftirqd/212:40:112
3479992418,3cyclictest33-21ksoftirqd/211:55:102
3479992417,4cyclictest33-21ksoftirqd/211:50:532
3479992417,4cyclictest33-21ksoftirqd/211:29:542
3479992417,4cyclictest33-21ksoftirqd/208:48:272
3479992417,4cyclictest33-21ksoftirqd/208:38:482
3479992417,4cyclictest33-21ksoftirqd/208:33:582
3479992417,4cyclictest33-21ksoftirqd/208:30:252
3479992417,4cyclictest33-21ksoftirqd/207:42:322
3474992419,3cyclictest25-21ksoftirqd/110:57:021
3474992419,3cyclictest25-21ksoftirqd/110:57:021
3474992418,4cyclictest25-21ksoftirqd/109:01:381
3474992418,4cyclictest25-21ksoftirqd/109:01:381
3474992418,3cyclictest25-21ksoftirqd/112:25:061
3474992418,3cyclictest25-21ksoftirqd/108:11:501
3474992418,3cyclictest25-21ksoftirqd/108:05:131
3474992418,3cyclictest25-21ksoftirqd/107:42:471
3474992418,3cyclictest25-21ksoftirqd/107:37:481
3474992418,3cyclictest25-21ksoftirqd/107:33:271
3474992417,4cyclictest25-21ksoftirqd/111:54:301
3479992318,3cyclictest33-21ksoftirqd/211:04:002
3479992317,4cyclictest33-21ksoftirqd/210:43:332
3479992317,3cyclictest33-21ksoftirqd/210:05:552
3479992317,3cyclictest33-21ksoftirqd/207:39:372
3479992316,4cyclictest33-21ksoftirqd/209:49:372
3479992316,4cyclictest33-21ksoftirqd/207:48:062
3474992318,3cyclictest25-21ksoftirqd/112:21:431
3474992317,3cyclictest25-21ksoftirqd/110:34:381
3474992317,3cyclictest25-21ksoftirqd/108:18:431
3474992317,3cyclictest25-21ksoftirqd/107:28:511
3474992316,4cyclictest25-21ksoftirqd/111:46:111
3474992316,4cyclictest25-21ksoftirqd/110:20:521
3474992316,4cyclictest25-21ksoftirqd/110:01:051
3474992316,4cyclictest25-21ksoftirqd/108:24:541
3474992316,4cyclictest25-21ksoftirqd/107:56:441
106891230,1ptp4l401ktimersoftd/309:21:523
3479992217,3cyclictest33-21ksoftirqd/211:46:162
3479992217,3cyclictest33-21ksoftirqd/207:52:472
3479992216,4cyclictest33-21ksoftirqd/212:33:452
3479992215,4cyclictest33-21ksoftirqd/209:34:402
3474992217,3cyclictest25-21ksoftirqd/109:51:571
3474992216,3cyclictest25-21ksoftirqd/112:09:581
3474992216,3cyclictest25-21ksoftirqd/111:33:361
3474992216,3cyclictest25-21ksoftirqd/111:21:371
3474992216,3cyclictest25-21ksoftirqd/109:08:501
3474992216,3cyclictest25-21ksoftirqd/109:03:151
3474992216,3cyclictest25-21ksoftirqd/109:03:151
3474992215,4cyclictest25-21ksoftirqd/112:16:171
3474992215,4cyclictest25-21ksoftirqd/108:49:231
3474992215,4cyclictest13926-21grep09:46:551
3479992115,4cyclictest16950-21awk08:46:372
3479992115,3cyclictest33-21ksoftirqd/210:36:012
3479992114,4cyclictest33-21ksoftirqd/208:23:462
3479992112,5cyclictest158732sleep209:51:512
3474992116,3cyclictest25-21ksoftirqd/107:50:241
3474992115,3cyclictest25-21ksoftirqd/108:30:101
3474992114,4cyclictest25-21ksoftirqd/110:36:491
3474992114,4cyclictest25-21ksoftirqd/110:22:081
347499211,17cyclictest30662-21snmp_o5powerctl09:12:051
3479992015,3cyclictest33-21ksoftirqd/211:07:502
3479992014,4cyclictest33-21ksoftirqd/209:08:312
3479992013,4cyclictest9484-21fschecks_time07:21:512
3479992012,5cyclictest33-21ksoftirqd/208:51:542
3474992015,3cyclictest25-21ksoftirqd/111:01:571
347499201,3cyclictest27826-21hddtemp_smartct12:32:011
3474992013,4cyclictest25-21ksoftirqd/110:11:591
3474992013,4cyclictest25-21ksoftirqd/110:08:391
3474992012,5cyclictest9208-21cut09:36:561
347499201,16cyclictest4085-21perl07:11:481
347499200,4cyclictest9441-21cron10:46:401
3479991914,3cyclictest33-21ksoftirqd/211:21:412
3479991913,3cyclictest25461-21kernelversion09:01:592
3479991913,3cyclictest25461-21kernelversion09:01:592
3479991913,3cyclictest13324-21sed09:46:402
3479991912,4cyclictest4653-21sed07:11:522
3479991912,4cyclictest31371-21fschecks_count11:31:572
3479991911,5cyclictest12576-21grep10:52:002
3474991913,4cyclictest25-21ksoftirqd/111:48:271
3474991913,3cyclictest23283-21/usr/sbin/munin07:51:511
3474991912,4cyclictest9992-21sed07:21:541
3474991912,4cyclictest30977-21idleruntime08:06:561
3474991912,4cyclictest15369-21sh08:41:551
3474991911,5cyclictest7348-21cat09:31:581
3479991812,3cyclictest9975-21expr10:46:552
3474991812,4cyclictest4217-21expr09:26:521
3474991811,4cyclictest25-21ksoftirqd/108:35:011
347499181,14cyclictest21868-21diskstats11:11:561
23772180,2sleep10-21swapper/111:37:081
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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