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2025-10-28 - 10:56
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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 792 highest latencies:
System rackbslot6.osadl.org (updated Tue Oct 28, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1773911850,5ptp4l401ktimersoftd/319:58:393
2590021780,5sleep01636899cyclictest21:28:410
2639421550,2sleep20-21swapper/201:29:072
177391690,10ptp4l401ktimersoftd/300:38:573
177391680,1ptp4l401ktimersoftd/323:57:463
177391670,1ptp4l401ktimersoftd/321:58:433
177391660,1ptp4l401ktimersoftd/301:24:073
177391620,1ptp4l401ktimersoftd/321:53:573
28042610,5sleep1241ktimersoftd/100:23:541
191252590,4sleep119122-21fschecks_count22:13:421
191252590,4sleep119122-21fschecks_count22:13:421
177391590,1ptp4l401ktimersoftd/322:40:113
177391590,1ptp4l401ktimersoftd/300:15:463
72642580,5sleep233-21ksoftirqd/222:38:122
177391580,1ptp4l401ktimersoftd/301:02:433
177391580,1ptp4l401ktimersoftd/300:21:103
23962570,2sleep00-21swapper/023:47:190
177391570,1ptp4l401ktimersoftd/320:39:373
177391570,1ptp4l401ktimersoftd/300:06:393
177391560,1ptp4l401ktimersoftd/300:12:543
80782550,2sleep00-21swapper/000:30:030
177391550,1ptp4l401ktimersoftd/300:28:433
160352544,39sleep00-21swapper/020:00:240
177391520,1ptp4l401ktimersoftd/322:10:463
177391520,1ptp4l401ktimersoftd/322:10:463
16377995238,6cyclictest33-21ksoftirqd/200:03:402
323772510,2sleep10-21swapper/120:33:381
177391500,2ptp4l2112-21kworker/3:001:28:433
1636899505,7cyclictest9-21ksoftirqd/023:08:470
1636899474,7cyclictest9-21ksoftirqd/001:03:310
1636899473,4cyclictest9-21ksoftirqd/001:03:520
177391460,1ptp4l401ktimersoftd/301:19:043
1636899466,7cyclictest9-21ksoftirqd/001:28:310
1636899462,6cyclictest0-21swapper/001:17:210
177391450,1ptp4l401ktimersoftd/301:12:173
1636899456,7cyclictest9-21ksoftirqd/020:53:240
1636899456,6cyclictest9-21ksoftirqd/000:03:340
16368994511,2cyclictest9-21ksoftirqd/000:23:430
177391440,0ptp4l401ktimersoftd/323:29:013
1636899446,8cyclictest9-21ksoftirqd/023:17:030
1636899446,7cyclictest9-21ksoftirqd/000:38:490
1636899445,7cyclictest0-21swapper/020:23:490
1636899445,6cyclictest9-21ksoftirqd/022:43:270
1636899445,6cyclictest9-21ksoftirqd/000:02:000
1636899445,6cyclictest9-21ksoftirqd/000:02:000
1636899443,6cyclictest9-21ksoftirqd/023:48:450
1636899443,6cyclictest9-21ksoftirqd/023:48:450
1636899443,6cyclictest9-21ksoftirqd/022:25:090
177391430,10ptp4l401ktimersoftd/320:56:003
1636899436,7cyclictest9-21ksoftirqd/022:16:350
1636899436,7cyclictest9-21ksoftirqd/022:16:350
1636899436,7cyclictest9-21ksoftirqd/022:08:500
1636899436,7cyclictest9-21ksoftirqd/022:08:500
1636899436,7cyclictest9-21ksoftirqd/021:18:390
1636899436,6cyclictest0-21swapper/020:33:460
1636899435,7cyclictest9-21ksoftirqd/023:00:360
1636899435,7cyclictest9-21ksoftirqd/000:45:180
1636899435,10cyclictest9-21ksoftirqd/022:37:340
1636899434,7cyclictest9-21ksoftirqd/022:28:450
1636899434,6cyclictest9-21ksoftirqd/022:53:500
1636899434,6cyclictest9-21ksoftirqd/021:58:450
1636899434,4cyclictest0-21swapper/020:58:390
1636899433,7cyclictest9-21ksoftirqd/022:03:360
1636899433,6cyclictest9-21ksoftirqd/023:18:430
1636899433,6cyclictest9-21ksoftirqd/000:57:390
16368994333,3cyclictest9-21ksoftirqd/001:28:470
1636899432,6cyclictest9-21ksoftirqd/023:08:280
1636899432,6cyclictest9-21ksoftirqd/000:14:040
1636899432,6cyclictest9-21ksoftirqd/000:12:080
16377994227,8cyclictest33-21ksoftirqd/200:23:422
1636899426,7cyclictest9-21ksoftirqd/021:43:460
1636899426,7cyclictest9-21ksoftirqd/020:28:240
1636899426,7cyclictest9-21ksoftirqd/001:18:310
1636899425,8cyclictest9-21ksoftirqd/022:43:270
1636899425,7cyclictest9-21ksoftirqd/023:42:220
1636899425,7cyclictest9-21ksoftirqd/000:33:460
1636899425,5cyclictest9-21ksoftirqd/000:18:450
1636899424,7cyclictest9-21ksoftirqd/023:24:140
1636899422,6cyclictest0-21swapper/020:23:240
1636899422,6cyclictest0-21swapper/020:23:240
1636899416,7cyclictest9-21ksoftirqd/022:18:540
1636899416,6cyclictest17281-21irqrtprio20:03:420
1636899415,8cyclictest9-21ksoftirqd/023:53:530
1636899415,8cyclictest9-21ksoftirqd/023:33:460
1636899415,8cyclictest9-21ksoftirqd/020:08:460
1636899415,7cyclictest9-21ksoftirqd/021:33:420
1636899415,7cyclictest9-21ksoftirqd/021:13:400
1636899415,7cyclictest9-21ksoftirqd/021:03:420
1636899413,11cyclictest9-21ksoftirqd/000:48:510
177391400,1ptp4l401ktimersoftd/322:19:403
177391400,1ptp4l401ktimersoftd/322:08:223
1636899406,6cyclictest9-21ksoftirqd/021:28:260
1636899405,7cyclictest9-21ksoftirqd/021:53:390
1636899405,7cyclictest9-21ksoftirqd/020:38:440
1636899403,7cyclictest9-21ksoftirqd/023:28:560
1636899403,6cyclictest9-21ksoftirqd/022:53:160
177391390,1ptp4l401ktimersoftd/323:15:333
177391390,1ptp4l401ktimersoftd/322:52:523
177391390,1ptp4l401ktimersoftd/322:35:193
177391390,1ptp4l401ktimersoftd/321:48:503
16377993934,3cyclictest33-21ksoftirqd/222:23:452
1636899395,9cyclictest9-21ksoftirqd/001:12:570
1636899395,7cyclictest9-21ksoftirqd/020:53:400
1636899394,7cyclictest9-21ksoftirqd/021:48:560
1636899391,5cyclictest9-21ksoftirqd/020:43:430
177391380,1ptp4l401ktimersoftd/323:48:403
177391380,1ptp4l401ktimersoftd/323:48:403
177391380,1ptp4l401ktimersoftd/323:45:393
177391380,1ptp4l401ktimersoftd/323:40:123
177391380,1ptp4l401ktimersoftd/323:34:273
177391380,1ptp4l401ktimersoftd/323:09:153
177391380,1ptp4l401ktimersoftd/322:16:363
177391380,1ptp4l401ktimersoftd/322:16:363
177391380,1ptp4l401ktimersoftd/301:14:383
177391380,1ptp4l401ktimersoftd/301:04:333
177391380,1ptp4l401ktimersoftd/300:37:383
177391380,1ptp4l401ktimersoftd/300:00:253
177391380,1ptp4l401ktimersoftd/300:00:253
177391380,0ptp4l401ktimersoftd/323:01:533
1636899384,7cyclictest9-21ksoftirqd/021:08:440
177391370,1ptp4l401ktimersoftd/321:44:193
16377993724,6cyclictest33-21ksoftirqd/220:23:362
16377993710,17cyclictest33-21ksoftirqd/200:33:522
177391360,1ptp4l401ktimersoftd/322:55:513
16377993630,3cyclictest33-21ksoftirqd/223:33:272
16377993622,7cyclictest33-21ksoftirqd/221:23:372
1532323611,11sleep125-21ksoftirqd/119:58:481
177391350,1ptp4l401ktimersoftd/323:25:563
177391350,1ptp4l401ktimersoftd/323:05:163
177391350,1ptp4l401ktimersoftd/322:47:583
177391350,1ptp4l401ktimersoftd/322:29:443
177391350,1ptp4l401ktimersoftd/321:13:503
177391350,1ptp4l401ktimersoftd/300:25:043
177391340,2ptp4l24192-21kworker/3:022:24:103
16377993429,3cyclictest33-21ksoftirqd/223:38:502
148742347,13sleep20-21swapper/219:58:452
177391330,2ptp4l24192-21kworker/3:021:29:033
177391330,2ptp4l24192-21kworker/3:021:01:133
177391330,1ptp4l401ktimersoftd/321:03:433
177391330,11ptp4l401ktimersoftd/320:17:023
177391330,11ptp4l401ktimersoftd/320:17:023
177391330,10ptp4l401ktimersoftd/320:38:103
16377993328,3cyclictest33-21ksoftirqd/223:13:482
16377993328,3cyclictest33-21ksoftirqd/222:53:402
16377993328,3cyclictest33-21ksoftirqd/201:03:492
16377993326,4cyclictest33-21ksoftirqd/222:38:312
1636899333,6cyclictest9-21ksoftirqd/020:13:540
1636899333,6cyclictest9-21ksoftirqd/020:13:540
1853913225,3phc2sys41-21ksoftirqd/300:48:523
177391320,1ptp4l401ktimersoftd/321:26:073
16377993227,3cyclictest33-21ksoftirqd/222:28:462
16377993227,3cyclictest33-21ksoftirqd/220:18:232
16377993227,3cyclictest33-21ksoftirqd/220:18:232
16377993227,3cyclictest33-21ksoftirqd/220:08:442
16377993226,3cyclictest33-21ksoftirqd/222:58:452
16377993226,3cyclictest33-21ksoftirqd/222:48:482
16377993226,3cyclictest33-21ksoftirqd/220:48:392
16377993226,3cyclictest33-21ksoftirqd/220:03:422
16373993226,3cyclictest25-21ksoftirqd/120:28:241
285322310,3sleep21637799cyclictest00:17:122
222232310,4sleep1241ktimersoftd/101:24:001
177391310,1ptp4l401ktimersoftd/320:09:293
16377993126,3cyclictest33-21ksoftirqd/221:13:252
16377993126,3cyclictest33-21ksoftirqd/221:03:382
16377993126,3cyclictest33-21ksoftirqd/220:18:462
16377993126,3cyclictest33-21ksoftirqd/220:18:462
16377993126,3cyclictest33-21ksoftirqd/200:58:312
16377993126,3cyclictest33-21ksoftirqd/200:29:022
16377993125,3cyclictest33-21ksoftirqd/223:58:472
16377993125,3cyclictest33-21ksoftirqd/223:58:472
16377993125,3cyclictest33-21ksoftirqd/221:18:452
16377993119,9cyclictest33-21ksoftirqd/223:18:442
1637399312,20cyclictest16517-21ssh22:48:411
177391300,0ptp4l401ktimersoftd/320:52:393
177391300,0ptp4l401ktimersoftd/320:07:453
16377993025,3cyclictest33-21ksoftirqd/223:23:462
16377993025,3cyclictest33-21ksoftirqd/221:53:472
16377993025,3cyclictest33-21ksoftirqd/200:39:012
16377993024,3cyclictest33-21ksoftirqd/222:03:452
16377993024,3cyclictest33-21ksoftirqd/221:28:462
16377993024,3cyclictest33-21ksoftirqd/200:43:492
16377993024,3cyclictest33-21ksoftirqd/200:08:482
16377993019,6cyclictest33-21ksoftirqd/223:48:412
16377993019,6cyclictest33-21ksoftirqd/223:48:412
16373993025,3cyclictest25-21ksoftirqd/121:13:251
16373993023,4cyclictest25-21ksoftirqd/121:48:441
177391290,0ptp4l401ktimersoftd/321:19:423
16377992924,3cyclictest33-21ksoftirqd/201:18:302
16377992923,3cyclictest33-21ksoftirqd/222:18:442
16377992923,3cyclictest33-21ksoftirqd/220:58:432
16377992923,3cyclictest33-21ksoftirqd/220:53:392
16377992923,3cyclictest33-21ksoftirqd/201:18:532
16377992923,3cyclictest33-21ksoftirqd/201:13:302
16373992924,3cyclictest25-21ksoftirqd/120:13:231
1636899296,7cyclictest9-21ksoftirqd/021:42:490
177391280,1ptp4l401ktimersoftd/320:26:103
177391280,0ptp4l401ktimersoftd/320:47:133
16377992823,3cyclictest33-21ksoftirqd/222:48:272
16377992823,3cyclictest33-21ksoftirqd/220:28:482
16377992823,3cyclictest33-21ksoftirqd/200:18:472
16377992822,3cyclictest33-21ksoftirqd/223:43:492
16377992821,4cyclictest33-21ksoftirqd/221:45:172
16373992822,3cyclictest25-21ksoftirqd/121:33:251
292582270,4sleep11637399cyclictest22:24:101
177391270,1ptp4l401ktimersoftd/300:53:573
16386992721,3cyclictest41-21ksoftirqd/320:18:403
16386992721,3cyclictest41-21ksoftirqd/320:18:403
1637799276,9cyclictest33-21ksoftirqd/200:58:482
16377992722,3cyclictest33-21ksoftirqd/223:13:282
16377992722,3cyclictest33-21ksoftirqd/222:13:402
16377992722,3cyclictest33-21ksoftirqd/222:13:402
16377992715,10cyclictest33-21ksoftirqd/200:48:432
16373992721,3cyclictest25-21ksoftirqd/123:13:521
16373992720,4cyclictest25-21ksoftirqd/122:18:521
16386992619,4cyclictest41-21ksoftirqd/321:43:013
16386992619,4cyclictest41-21ksoftirqd/321:12:343
16377992621,3cyclictest33-21ksoftirqd/221:13:452
16377992620,3cyclictest33-21ksoftirqd/220:38:542
16377992620,3cyclictest33-21ksoftirqd/201:28:302
16373992621,3cyclictest25-21ksoftirqd/123:23:501
16373992621,3cyclictest25-21ksoftirqd/122:01:491
16373992621,3cyclictest25-21ksoftirqd/101:29:371
16373992621,3cyclictest25-21ksoftirqd/100:50:471
16373992621,3cyclictest25-21ksoftirqd/100:29:021
16373992620,4cyclictest25-21ksoftirqd/121:02:441
16373992620,3cyclictest25-21ksoftirqd/121:16:221
16373992620,3cyclictest25-21ksoftirqd/121:04:021
16373992619,4cyclictest25-21ksoftirqd/120:44:301
177391250,1ptp4l401ktimersoftd/323:18:423
177391250,1ptp4l401ktimersoftd/321:37:403
16377992520,3cyclictest33-21ksoftirqd/223:53:502
16377992520,3cyclictest33-21ksoftirqd/223:33:572
16377992520,3cyclictest33-21ksoftirqd/221:58:422
16377992519,4cyclictest33-21ksoftirqd/220:35:402
16377992518,4cyclictest33-21ksoftirqd/221:49:542
16377992513,7cyclictest33-21ksoftirqd/221:33:412
16373992520,3cyclictest25-21ksoftirqd/120:56:211
16373992520,3cyclictest25-21ksoftirqd/100:53:471
16373992520,3cyclictest25-21ksoftirqd/100:13:341
16373992519,4cyclictest25-21ksoftirqd/120:16:001
16373992519,4cyclictest25-21ksoftirqd/120:16:001
16373992519,4cyclictest25-21ksoftirqd/101:15:491
16373992519,3cyclictest25-21ksoftirqd/122:33:571
16373992519,3cyclictest25-21ksoftirqd/121:46:401
16373992519,3cyclictest25-21ksoftirqd/120:32:361
16373992516,6cyclictest25-21ksoftirqd/122:58:471
177391240,1ptp4l401ktimersoftd/320:28:253
177391240,1ptp4l401ktimersoftd/300:43:413
16377992418,3cyclictest33-21ksoftirqd/221:38:542
16377992417,4cyclictest33-21ksoftirqd/220:45:032
16373992419,3cyclictest25-21ksoftirqd/123:43:491
16373992419,3cyclictest25-21ksoftirqd/120:49:521
16373992419,3cyclictest25-21ksoftirqd/100:13:291
16373992419,3cyclictest11999-21latency_hist01:13:301
16373992418,3cyclictest25-21ksoftirqd/123:38:451
16373992418,3cyclictest25-21ksoftirqd/121:58:251
16373992418,3cyclictest25-21ksoftirqd/121:26:201
16373992418,3cyclictest25-21ksoftirqd/120:41:501
16373992417,4cyclictest25-21ksoftirqd/122:31:041
16373992417,4cyclictest25-21ksoftirqd/120:19:291
16373992417,4cyclictest25-21ksoftirqd/120:19:291
16377992317,4cyclictest33-21ksoftirqd/223:07:152
16373992318,3cyclictest25-21ksoftirqd/123:55:031
16373992318,3cyclictest25-21ksoftirqd/123:08:481
16373992318,3cyclictest25-21ksoftirqd/123:06:031
16373992318,3cyclictest25-21ksoftirqd/122:04:001
16373992317,4cyclictest25-21ksoftirqd/122:47:551
16373992316,4cyclictest25-21ksoftirqd/121:42:391
16373992310,10cyclictest16812-21expr01:18:481
16377992216,3cyclictest33-21ksoftirqd/222:13:262
16377992216,3cyclictest33-21ksoftirqd/222:13:262
16373992217,3cyclictest25-21ksoftirqd/101:08:301
16373992216,4cyclictest25-21ksoftirqd/122:42:171
16373992216,3cyclictest25-21ksoftirqd/120:08:231
1637399221,18cyclictest30442-21irqstats00:18:491
1637399213,10cyclictest18819-21ssh00:43:421
16373992116,3cyclictest25-21ksoftirqd/122:13:261
16373992116,3cyclictest25-21ksoftirqd/122:13:261
16373992116,3cyclictest25-21ksoftirqd/100:38:501
16373992015,3cyclictest25-21ksoftirqd/123:31:301
16373992015,3cyclictest25-21ksoftirqd/122:57:261
16373992015,3cyclictest25-21ksoftirqd/121:33:351
16373992015,3cyclictest25-21ksoftirqd/100:33:541
1637399201,4cyclictest25911-21ssh23:36:561
16373992014,4cyclictest46950irq/101-ens3-Tx23:58:531
16373992014,4cyclictest46950irq/101-ens3-Tx23:58:531
16373991914,3cyclictest25-21ksoftirqd/100:59:151
16373991914,3cyclictest25-21ksoftirqd/100:04:471
16373991912,4cyclictest10233-21fschecks_count23:18:461
16373991813,3cyclictest4376-21load23:48:491
16373991813,3cyclictest4376-21load23:48:491
16373991813,3cyclictest25-21ksoftirqd/121:21:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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