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2025-12-29 - 22:55
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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 all highest latencies:
System rackbslot6.osadl.org (updated Mon Dec 29, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068912150,5ptp4l401ktimersoftd/307:14:453
1910621400,4sleep01889199cyclictest11:54:410
2563421360,5sleep11889899cyclictest11:24:431
2563421360,5sleep11889899cyclictest11:24:431
106891720,1ptp4l401ktimersoftd/311:53:563
44712690,2sleep30-21swapper/311:37:303
106891680,9ptp4l401ktimersoftd/310:57:303
218612670,2sleep10-21swapper/110:05:501
106891670,1ptp4l401ktimersoftd/311:33:313
106891670,1ptp4l401ktimersoftd/311:33:313
106891670,1ptp4l401ktimersoftd/311:11:233
188632650,2sleep10-21swapper/109:25:271
164792654,10sleep20-21swapper/207:14:232
106891620,2ptp4l401ktimersoftd/311:44:213
106891590,1ptp4l401ktimersoftd/307:59:463
106891570,1ptp4l401ktimersoftd/309:44:453
65212560,4sleep0101ktimersoftd/012:16:290
106891560,1ptp4l401ktimersoftd/310:35:053
1889199543,7cyclictest9-21ksoftirqd/012:29:590
106891540,1ptp4l401ktimersoftd/310:05:273
39072530,2sleep10-21swapper/110:23:411
185012524,37sleep00-21swapper/007:15:380
18891995113,4cyclictest9-21ksoftirqd/011:37:460
18891995011,10cyclictest9-21ksoftirqd/008:14:410
186462505,34sleep10-21swapper/107:17:331
18891994919,6cyclictest9-21ksoftirqd/011:08:080
79022480,2sleep30-21swapper/310:27:523
18891994822,9cyclictest9-21ksoftirqd/010:31:200
18891994821,7cyclictest9-21ksoftirqd/012:13:270
18891994820,7cyclictest9-21ksoftirqd/012:42:220
18891994820,5cyclictest9-21ksoftirqd/012:22:440
18891994721,4cyclictest9-21ksoftirqd/009:47:110
18891994720,5cyclictest9-21ksoftirqd/011:19:430
18891994720,5cyclictest9-21ksoftirqd/011:19:430
18891994720,4cyclictest9-21ksoftirqd/009:56:540
18891994719,4cyclictest9-21ksoftirqd/012:34:570
1889199465,7cyclictest9-21ksoftirqd/011:09:490
1889199464,7cyclictest9-21ksoftirqd/011:39:490
18891994637,3cyclictest9-21ksoftirqd/010:05:460
18891994635,3cyclictest9-21ksoftirqd/011:18:170
18891994633,3cyclictest9-21ksoftirqd/009:19:260
18891994620,4cyclictest9-21ksoftirqd/011:50:200
18891994619,4cyclictest9-21ksoftirqd/011:32:040
18891994619,4cyclictest9-21ksoftirqd/011:32:040
18891994619,4cyclictest9-21ksoftirqd/010:40:290
18891994619,4cyclictest9-21ksoftirqd/007:26:590
1889199456,7cyclictest9-21ksoftirqd/009:04:390
1889199455,8cyclictest9-21ksoftirqd/010:09:470
1889199455,6cyclictest9-21ksoftirqd/008:44:240
1889199454,8cyclictest9-21ksoftirqd/009:59:550
18891994536,3cyclictest9-21ksoftirqd/009:24:390
18891994534,3cyclictest9-21ksoftirqd/009:39:460
18891994534,3cyclictest9-21ksoftirqd/009:39:460
18891994532,3cyclictest9-21ksoftirqd/010:55:090
18891994521,4cyclictest9-21ksoftirqd/010:22:210
18891994519,4cyclictest9-21ksoftirqd/011:45:430
18891994519,4cyclictest9-21ksoftirqd/010:17:000
18891994518,6cyclictest9-21ksoftirqd/011:27:250
18891994518,6cyclictest9-21ksoftirqd/011:27:250
18891994518,6cyclictest9-21ksoftirqd/010:54:160
18891994518,4cyclictest9-21ksoftirqd/008:03:160
106891450,0ptp4l401ktimersoftd/311:01:143
1889199445,9cyclictest9-21ksoftirqd/007:54:530
1889199445,7cyclictest9-21ksoftirqd/008:49:430
18891994438,4cyclictest9-21ksoftirqd/007:39:260
18891994436,3cyclictest9-21ksoftirqd/012:29:000
18891994433,3cyclictest9-21ksoftirqd/010:27:010
18891994414,7cyclictest9-21ksoftirqd/012:44:490
1889199435,8cyclictest9-21ksoftirqd/008:44:450
1889199435,5cyclictest9-21ksoftirqd/007:19:440
18891994334,3cyclictest9-21ksoftirqd/008:04:370
18891994331,3cyclictest9-21ksoftirqd/010:45:160
18891994320,4cyclictest9-21ksoftirqd/011:01:550
18891994320,4cyclictest9-21ksoftirqd/010:34:350
18891994318,6cyclictest9-21ksoftirqd/008:55:020
18891994317,4cyclictest9-21ksoftirqd/009:19:150
18891994317,4cyclictest9-21ksoftirqd/009:01:530
106891430,2ptp4l13271-21kworker/3:108:44:123
1889199425,7cyclictest9-21ksoftirqd/007:34:460
18891994229,3cyclictest9-21ksoftirqd/009:30:440
1889199422,7cyclictest9-21ksoftirqd/009:54:250
1889199422,11cyclictest9-21ksoftirqd/008:34:420
1889199421,7cyclictest21375-21awk08:29:410
18891994216,4cyclictest9-21ksoftirqd/012:01:500
106891420,0ptp4l401ktimersoftd/309:55:533
1889199415,7cyclictest9-21ksoftirqd/012:04:560
285242400,1sleep30-21swapper/310:14:403
1889199402,7cyclictest9-21ksoftirqd/007:49:420
1889199402,7cyclictest9-21ksoftirqd/007:49:420
1889199402,10cyclictest9-21ksoftirqd/008:14:240
1889199401,7cyclictest18129-21latency_hist08:24:230
106891400,2ptp4l13271-21kworker/3:108:54:383
106891400,1ptp4l401ktimersoftd/309:54:123
258492390,2sleep30-21swapper/312:01:353
1889199396,7cyclictest9-21ksoftirqd/009:34:410
1889199396,7cyclictest9-21ksoftirqd/009:09:470
1889199395,3cyclictest9-21ksoftirqd/007:44:330
1889199395,3cyclictest9-21ksoftirqd/007:44:330
106891390,1ptp4l401ktimersoftd/312:25:543
1889199381,6cyclictest0-21swapper/007:29:490
106891380,1ptp4l401ktimersoftd/312:19:433
106891380,1ptp4l401ktimersoftd/311:44:313
106891380,1ptp4l401ktimersoftd/310:52:023
106891380,1ptp4l401ktimersoftd/310:44:413
106891380,1ptp4l401ktimersoftd/309:27:163
106891380,1ptp4l401ktimersoftd/308:49:243
1889199374,6cyclictest9-21ksoftirqd/008:24:440
106891370,1ptp4l401ktimersoftd/311:56:433
106891370,1ptp4l401ktimersoftd/311:16:473
106891370,1ptp4l401ktimersoftd/310:40:343
106891370,1ptp4l401ktimersoftd/310:01:043
106891370,1ptp4l401ktimersoftd/309:44:193
106891370,1ptp4l401ktimersoftd/309:44:193
106891370,1ptp4l401ktimersoftd/309:38:323
106891370,0ptp4l401ktimersoftd/309:21:573
106891360,1ptp4l401ktimersoftd/312:48:253
106891360,1ptp4l401ktimersoftd/311:05:403
106891360,1ptp4l401ktimersoftd/310:11:283
106891360,1ptp4l401ktimersoftd/308:59:493
106891360,0ptp4l401ktimersoftd/312:38:193
106891360,0ptp4l401ktimersoftd/312:31:413
106891360,0ptp4l401ktimersoftd/311:23:033
106891360,0ptp4l401ktimersoftd/311:23:033
106891360,0ptp4l401ktimersoftd/307:40:003
18902993522,10cyclictest33-21ksoftirqd/208:06:262
18898993519,9cyclictest25557-21ssh09:34:361
152822350,5sleep21890299cyclictest11:49:502
106891350,1ptp4l401ktimersoftd/312:13:033
106891350,1ptp4l401ktimersoftd/312:05:013
106891350,0ptp4l401ktimersoftd/310:33:403
106891350,0ptp4l401ktimersoftd/308:10:233
106891340,1ptp4l401ktimersoftd/312:40:413
106891340,1ptp4l401ktimersoftd/307:24:363
23792320,3sleep21890299cyclictest10:20:292
106891320,11ptp4l401ktimersoftd/307:37:303
106891310,1ptp4l401ktimersoftd/308:04:413
106891310,1ptp4l401ktimersoftd/307:52:593
106891310,1ptp4l401ktimersoftd/307:52:593
106891310,0ptp4l401ktimersoftd/309:30:383
18902993024,3cyclictest33-21ksoftirqd/210:09:492
106891300,1ptp4l401ktimersoftd/312:15:373
106891300,0ptp4l401ktimersoftd/307:21:543
18911992922,4cyclictest41-21ksoftirqd/308:28:033
18898992924,3cyclictest25-21ksoftirqd/109:49:491
106891290,1ptp4l401ktimersoftd/307:48:233
106891290,1ptp4l401ktimersoftd/307:48:233
106891290,0ptp4l401ktimersoftd/311:24:353
106891290,0ptp4l401ktimersoftd/311:24:353
18902992821,4cyclictest33-21ksoftirqd/209:00:152
2820122720,3sleep233-21ksoftirqd/210:14:272
18911992720,4cyclictest41-21ksoftirqd/309:10:323
18902992722,3cyclictest33-21ksoftirqd/207:34:422
18902992717,4cyclictest33-21ksoftirqd/210:47:022
18898992722,3cyclictest25-21ksoftirqd/111:54:461
18898992722,3cyclictest25-21ksoftirqd/108:04:231
18898992718,3cyclictest25-21ksoftirqd/107:29:581
18911992619,4cyclictest41-21ksoftirqd/307:55:173
18902992620,4cyclictest33-21ksoftirqd/212:24:502
18902992620,3cyclictest33-21ksoftirqd/211:19:232
18902992620,3cyclictest33-21ksoftirqd/210:53:252
18902992620,3cyclictest33-21ksoftirqd/209:36:302
18902992619,4cyclictest33-21ksoftirqd/211:57:082
18902992619,4cyclictest33-21ksoftirqd/207:20:312
18898992621,3cyclictest25-21ksoftirqd/112:18:231
18898992621,3cyclictest25-21ksoftirqd/110:29:431
18898992619,4cyclictest25-21ksoftirqd/110:15:341
18898992619,4cyclictest25-21ksoftirqd/108:06:551
106891260,1ptp4l401ktimersoftd/308:51:053
106891260,1ptp4l401ktimersoftd/308:35:133
18911992518,4cyclictest41-21ksoftirqd/308:29:333
18902992519,3cyclictest33-21ksoftirqd/212:42:182
18902992519,3cyclictest33-21ksoftirqd/209:54:362
18902992518,4cyclictest33-21ksoftirqd/209:10:512
18902992518,4cyclictest33-21ksoftirqd/208:31:592
18902992518,4cyclictest33-21ksoftirqd/208:21:292
18902992518,4cyclictest33-21ksoftirqd/207:52:192
18902992518,4cyclictest33-21ksoftirqd/207:52:192
1889899254,13cyclictest31104-21ssh10:54:381
18898992520,3cyclictest25-21ksoftirqd/112:46:241
18898992520,3cyclictest25-21ksoftirqd/111:21:421
18898992520,3cyclictest25-21ksoftirqd/111:21:421
18898992520,3cyclictest25-21ksoftirqd/110:39:571
18898992520,3cyclictest25-21ksoftirqd/108:14:401
18898992519,4cyclictest25-21ksoftirqd/108:43:041
18898992519,3cyclictest25-21ksoftirqd/112:36:511
18898992519,3cyclictest25-21ksoftirqd/108:35:321
18898992518,4cyclictest25-21ksoftirqd/108:22:411
106891250,1ptp4l401ktimersoftd/310:19:503
106891250,1ptp4l401ktimersoftd/309:17:213
18911992418,3cyclictest41-21ksoftirqd/307:29:243
18902992419,3cyclictest33-21ksoftirqd/211:34:452
18902992419,3cyclictest33-21ksoftirqd/211:24:422
18902992419,3cyclictest33-21ksoftirqd/211:24:422
18902992419,3cyclictest33-21ksoftirqd/211:09:222
18902992419,3cyclictest33-21ksoftirqd/210:04:462
18902992418,4cyclictest33-21ksoftirqd/212:09:292
18902992418,4cyclictest33-21ksoftirqd/207:40:102
18902992418,3cyclictest33-21ksoftirqd/212:16:072
18902992418,3cyclictest33-21ksoftirqd/209:16:582
18902992418,3cyclictest33-21ksoftirqd/207:47:482
18902992418,3cyclictest33-21ksoftirqd/207:47:482
18902992417,4cyclictest33-21ksoftirqd/208:09:532
18902992417,4cyclictest33-21ksoftirqd/207:33:442
18902992417,4cyclictest33-21ksoftirqd/207:26:532
18898992419,3cyclictest25-21ksoftirqd/112:34:291
18898992418,3cyclictest25-21ksoftirqd/109:23:001
18898992418,3cyclictest25-21ksoftirqd/109:04:071
18898992418,3cyclictest25-21ksoftirqd/107:26:071
18898992417,4cyclictest25-21ksoftirqd/112:06:111
18898992417,4cyclictest25-21ksoftirqd/109:13:391
18898992417,4cyclictest25-21ksoftirqd/107:47:561
18898992417,4cyclictest25-21ksoftirqd/107:47:561
187712240,1sleep20-21swapper/209:25:162
18911992316,4cyclictest41-21ksoftirqd/308:23:353
1890299237,13cyclictest18897-21missed_timers10:39:502
18902992317,3cyclictest33-21ksoftirqd/212:44:492
18902992317,3cyclictest33-21ksoftirqd/208:03:572
18902992316,4cyclictest33-21ksoftirqd/212:24:222
18898992318,3cyclictest25-21ksoftirqd/112:24:591
18898992318,3cyclictest25-21ksoftirqd/110:24:431
18898992318,3cyclictest25-21ksoftirqd/109:29:471
18898992317,3cyclictest25-21ksoftirqd/111:11:351
18898992317,3cyclictest25-21ksoftirqd/109:44:471
18898992317,3cyclictest25-21ksoftirqd/107:49:251
18898992317,3cyclictest25-21ksoftirqd/107:49:251
18898992317,3cyclictest25-21ksoftirqd/107:40:171
18898992316,4cyclictest25-21ksoftirqd/108:32:561
106891230,1ptp4l401ktimersoftd/309:04:563
106891230,1ptp4l401ktimersoftd/308:14:393
27332220,3sleep1231rcuc/111:34:511
18902992217,3cyclictest33-21ksoftirqd/212:32:252
18902992217,3cyclictest33-21ksoftirqd/211:19:432
18902992217,3cyclictest33-21ksoftirqd/211:19:432
18902992216,4cyclictest33-21ksoftirqd/209:09:152
18898992217,3cyclictest25-21ksoftirqd/111:49:281
18898992216,4cyclictest25-21ksoftirqd/111:17:131
18898992216,3cyclictest25-21ksoftirqd/112:42:081
18898992214,4cyclictest30531-21load11:29:481
18898992214,4cyclictest30531-21load11:29:481
1890299219,3cyclictest13940-21gltestperf10:34:452
1890299214,7cyclictest121rcu_preempt09:39:522
1890299214,7cyclictest121rcu_preempt09:39:522
18902992117,3cyclictest33-21ksoftirqd/211:09:522
18902992115,3cyclictest33-21ksoftirqd/211:39:402
18902992115,3cyclictest33-21ksoftirqd/210:02:052
18902992115,3cyclictest33-21ksoftirqd/208:57:202
18902992115,3cyclictest33-21ksoftirqd/208:14:252
18902992114,4cyclictest33-21ksoftirqd/208:53:052
18902992114,4cyclictest33-21ksoftirqd/208:43:532
18902992114,4cyclictest23370-21sed12:34:572
1889899219,9cyclictest8531-21cstates12:19:431
1889899214,6cyclictest1055-21runrttasks12:01:031
18898992115,4cyclictest25-21ksoftirqd/109:59:481
18898992115,4cyclictest25-21ksoftirqd/109:05:121
18898992115,4cyclictest25-21ksoftirqd/107:56:031
18898992115,3cyclictest25-21ksoftirqd/110:14:051
18898992115,3cyclictest25-21ksoftirqd/109:18:501
18898992114,4cyclictest339-21/usr/sbin/munin08:54:431
18898992114,4cyclictest25-21ksoftirqd/108:51:311
18898992114,4cyclictest11786-21sed08:09:391
18898992113,5cyclictest47050irq/101-ens3-Tx11:39:411
1890299209,9cyclictest14177-21grep11:49:282
18902992015,3cyclictest33-21ksoftirqd/208:44:362
18902992013,4cyclictest5466-21sh11:01:142
18898992015,3cyclictest25-21ksoftirqd/111:09:271
18898992014,4cyclictest20515-21sleep08:29:231
18898992014,3cyclictest25-21ksoftirqd/110:49:471
18898992014,3cyclictest25-21ksoftirqd/110:49:021
18898992014,3cyclictest25-21ksoftirqd/107:34:271
1889899201,16cyclictest3727-21irqrtprio10:59:441
1890299191,9cyclictest3229-21ssh12:13:452
18902991914,3cyclictest21467-21df_inode09:29:392
18902991913,3cyclictest9773-21sh09:53:012
18902991913,3cyclictest6684-21sh10:25:212
18902991913,3cyclictest33-21ksoftirqd/208:39:182
18902991913,3cyclictest32366-21processes10:54:482
18902991913,3cyclictest26682-21sh12:03:192
18902991912,4cyclictest4394-21sh09:46:242
1889899191,5cyclictest0-21swapper/110:36:091
18898991913,3cyclictest19509-21fschecks_time07:19:381
18898991913,3cyclictest1481-21cron09:44:251
18898991913,3cyclictest1481-21cron09:44:251
18898991912,4cyclictest783-21phc2sys-jitter12:09:521
18898991912,4cyclictest29449-21mailstats08:44:481
18898991912,4cyclictest14980-21grep11:49:471
1889899191,14cyclictest12021-21diskmemload09:54:321
1890299183,10cyclictest4215-21apt-get07:54:352
18902991813,3cyclictest8968-21/usr/sbin/munin10:29:382
18902991813,3cyclictest321ktimersoftd/209:19:542
18902991811,4cyclictest29598-21cpuspeed_turbos11:29:412
18902991811,4cyclictest29598-21cpuspeed_turbos11:29:412
18902991710,4cyclictest18377-21basename08:24:352
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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