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2025-12-22 - 18:55
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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 the highest latencies:
System rackbslot6.osadl.org (updated Mon Dec 22, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
106891990,3ptp4l401ktimersoftd/307:11:123
106891990,3ptp4l401ktimersoftd/307:11:123
50282650,5sleep21121399cyclictest12:41:072
106891610,1ptp4l401ktimersoftd/311:19:513
140222520,2sleep10-21swapper/111:50:511
107462510,2sleep30-21swapper/311:41:063
106891480,1ptp4l401ktimersoftd/307:39:083
109282464,30sleep20-21swapper/207:13:122
109282464,30sleep20-21swapper/207:13:122
106891440,1ptp4l401ktimersoftd/310:36:003
11201994033,4cyclictest26656-21anacron11:07:440
106891390,1ptp4l401ktimersoftd/309:50:493
106891390,1ptp4l401ktimersoftd/308:35:583
106891380,1ptp4l401ktimersoftd/311:50:583
106891380,1ptp4l401ktimersoftd/310:05:533
106891380,1ptp4l401ktimersoftd/308:55:543
106891380,1ptp4l401ktimersoftd/307:30:453
106891380,1ptp4l401ktimersoftd/307:15:543
106891380,0ptp4l401ktimersoftd/308:10:563
106891370,1ptp4l401ktimersoftd/311:25:533
108742363,20sleep0984-21snmpd07:12:290
108742363,20sleep0984-21snmpd07:12:290
106891360,2ptp4l31454-21kworker/3:110:45:473
106891360,1ptp4l401ktimersoftd/311:00:593
106891360,1ptp4l401ktimersoftd/309:20:483
106891360,1ptp4l401ktimersoftd/307:57:463
106891360,0ptp4l401ktimersoftd/312:15:483
106891360,0ptp4l401ktimersoftd/309:07:113
106891350,2ptp4l2670-21kworker/3:209:43:443
106891350,0ptp4l401ktimersoftd/312:23:183
106891340,1ptp4l401ktimersoftd/307:40:553
45592330,4sleep14565-21latency08:05:501
1076723312,11sleep125-21ksoftirqd/107:11:051
1076723312,11sleep125-21ksoftirqd/107:11:051
106891330,2ptp4l2670-21kworker/3:208:24:503
106891330,1ptp4l401ktimersoftd/311:55:563
106891330,0ptp4l401ktimersoftd/310:22:553
11206993224,5cyclictest23663-21cron07:40:291
11201993217,6cyclictest9-21ksoftirqd/008:17:490
106891320,1ptp4l2670-21kworker/3:208:32:353
106891320,11ptp4l401ktimersoftd/307:55:143
106891320,0ptp4l401ktimersoftd/312:35:173
11213993126,3cyclictest33-21ksoftirqd/210:50:542
11213993126,3cyclictest33-21ksoftirqd/210:50:542
106891310,1ptp4l401ktimersoftd/310:40:563
106891310,1ptp4l401ktimersoftd/309:14:283
106891310,1ptp4l401ktimersoftd/309:01:373
106891310,1ptp4l401ktimersoftd/309:01:373
106891310,1ptp4l401ktimersoftd/308:30:113
106891310,1ptp4l401ktimersoftd/308:05:493
106891310,1ptp4l401ktimersoftd/307:28:183
106891310,10ptp4l401ktimersoftd/310:27:093
106891310,0ptp4l401ktimersoftd/309:29:523
11213993025,3cyclictest33-21ksoftirqd/210:05:332
11201993024,3cyclictest9-21ksoftirqd/011:25:350
106891300,9ptp4l401ktimersoftd/311:05:353
106891300,0ptp4l401ktimersoftd/312:38:593
106891300,0ptp4l401ktimersoftd/312:38:593
106891300,0ptp4l401ktimersoftd/311:33:013
106891300,0ptp4l401ktimersoftd/311:24:423
11213992924,3cyclictest33-21ksoftirqd/212:25:532
11213992919,7cyclictest20182-21grep10:55:472
1120699290,2cyclictest121rcu_preempt08:10:581
106891290,0ptp4l401ktimersoftd/309:49:243
106891290,0ptp4l401ktimersoftd/308:54:203
2537822821,3sleep233-21ksoftirqd/211:05:532
11213992823,3cyclictest33-21ksoftirqd/208:25:302
11213992821,4cyclictest33-21ksoftirqd/210:20:322
11213992821,4cyclictest33-21ksoftirqd/209:15:362
11213992816,6cyclictest33-21ksoftirqd/210:40:462
11206992822,3cyclictest25-21ksoftirqd/110:05:331
106891280,0ptp4l401ktimersoftd/310:54:203
106891280,0ptp4l401ktimersoftd/310:54:203
1121799277,3cyclictest121rcu_preempt10:15:543
11217992722,3cyclictest5627-21awk12:45:363
11217992721,3cyclictest41-21ksoftirqd/310:11:523
11217992721,3cyclictest41-21ksoftirqd/307:46:583
11213992722,3cyclictest33-21ksoftirqd/208:20:492
11213992721,4cyclictest33-21ksoftirqd/208:17:232
11213992721,4cyclictest33-21ksoftirqd/207:40:292
11213992721,3cyclictest33-21ksoftirqd/208:50:502
11213992720,4cyclictest33-21ksoftirqd/212:33:442
11213992720,4cyclictest33-21ksoftirqd/212:21:112
11213992720,4cyclictest33-21ksoftirqd/212:06:342
11206992722,3cyclictest25-21ksoftirqd/111:10:341
11206992722,3cyclictest25-21ksoftirqd/108:40:301
11206992720,4cyclictest25-21ksoftirqd/108:47:291
11201992721,3cyclictest9-21ksoftirqd/009:43:550
106891270,0ptp4l401ktimersoftd/312:01:373
1452912619,3phc2sys41-21ksoftirqd/310:30:513
11217992620,3cyclictest41-21ksoftirqd/311:36:543
11217992619,4cyclictest41-21ksoftirqd/309:32:433
11213992621,3cyclictest33-21ksoftirqd/207:50:302
11213992620,3cyclictest33-21ksoftirqd/211:55:552
11213992620,3cyclictest33-21ksoftirqd/210:32:482
11213992619,4cyclictest33-21ksoftirqd/211:26:442
11213992619,4cyclictest33-21ksoftirqd/209:57:472
11213992619,4cyclictest33-21ksoftirqd/207:21:152
11206992621,3cyclictest25-21ksoftirqd/110:25:541
11206992619,4cyclictest25-21ksoftirqd/112:45:361
11206992619,4cyclictest25-21ksoftirqd/111:32:451
11206992619,4cyclictest25-21ksoftirqd/109:48:431
11206992619,4cyclictest25-21ksoftirqd/109:02:061
11206992619,4cyclictest25-21ksoftirqd/109:02:061
11201992620,4cyclictest9-21ksoftirqd/010:27:240
11201992620,3cyclictest9-21ksoftirqd/011:05:250
11201992620,3cyclictest9-21ksoftirqd/011:00:160
11201992620,3cyclictest9-21ksoftirqd/008:36:350
11201992619,4cyclictest9-21ksoftirqd/011:28:300
11201992619,4cyclictest9-21ksoftirqd/008:42:260
106891260,1ptp4l401ktimersoftd/308:47:173
106891260,1ptp4l401ktimersoftd/308:02:253
106891260,11ptp4l401ktimersoftd/307:24:503
106891260,10ptp4l401ktimersoftd/312:10:293
106891260,0ptp4l401ktimersoftd/311:46:163
239782251,2sleep024055-21apt-get12:15:480
11217992519,3cyclictest41-21ksoftirqd/310:05:323
11217992519,3cyclictest41-21ksoftirqd/309:16:213
11217992517,5cyclictest41-21ksoftirqd/309:37:053
11213992520,3cyclictest33-21ksoftirqd/210:20:492
11213992519,4cyclictest33-21ksoftirqd/209:09:342
11213992519,3cyclictest33-21ksoftirqd/208:11:062
11213992518,4cyclictest33-21ksoftirqd/211:12:062
11213992518,4cyclictest33-21ksoftirqd/209:32:142
11213992518,4cyclictest33-21ksoftirqd/209:12:112
11213992518,4cyclictest33-21ksoftirqd/208:41:402
1121399251,3cyclictest121rcu_preempt09:00:492
1121399251,3cyclictest121rcu_preempt09:00:492
11206992520,3cyclictest25-21ksoftirqd/110:05:491
11206992520,3cyclictest25-21ksoftirqd/109:25:321
11206992520,3cyclictest25-21ksoftirqd/107:25:291
11206992519,3cyclictest25-21ksoftirqd/110:40:331
11206992519,3cyclictest25-21ksoftirqd/107:20:291
11206992518,4cyclictest25-21ksoftirqd/112:32:351
11206992518,4cyclictest25-21ksoftirqd/109:53:011
11206992518,4cyclictest25-21ksoftirqd/108:28:501
11206992518,4cyclictest25-21ksoftirqd/107:57:271
11201992520,3cyclictest9-21ksoftirqd/010:30:490
11201992520,3cyclictest9-21ksoftirqd/008:45:510
11201992519,3cyclictest9-21ksoftirqd/012:31:400
11201992519,3cyclictest9-21ksoftirqd/012:27:470
11201992519,3cyclictest9-21ksoftirqd/011:49:140
11201992519,3cyclictest9-21ksoftirqd/009:14:050
11201992518,4cyclictest9-21ksoftirqd/012:14:110
11201992518,4cyclictest9-21ksoftirqd/009:40:030
11201992518,4cyclictest9-21ksoftirqd/009:31:320
11201992518,4cyclictest9-21ksoftirqd/008:27:490
11201992518,4cyclictest9-21ksoftirqd/007:42:240
11201992511,6cyclictest9-21ksoftirqd/008:05:530
106891250,0ptp4l401ktimersoftd/310:59:183
11217992419,3cyclictest41-21ksoftirqd/312:11:283
11217992418,3cyclictest41-21ksoftirqd/308:17:273
11213992419,3cyclictest33-21ksoftirqd/209:25:482
11213992418,4cyclictest33-21ksoftirqd/210:36:252
11213992418,4cyclictest33-21ksoftirqd/207:57:242
11213992418,3cyclictest33-21ksoftirqd/209:40:492
11213992417,4cyclictest33-21ksoftirqd/211:36:512
11213992417,4cyclictest33-21ksoftirqd/208:08:362
11213992417,4cyclictest33-21ksoftirqd/208:03:182
11213992417,4cyclictest33-21ksoftirqd/207:50:332
11206992419,3cyclictest25-21ksoftirqd/111:35:501
11206992419,3cyclictest25-21ksoftirqd/111:25:531
11206992419,3cyclictest25-21ksoftirqd/110:55:341
11206992419,3cyclictest25-21ksoftirqd/110:55:341
11206992419,3cyclictest25-21ksoftirqd/110:40:571
11206992418,4cyclictest25-21ksoftirqd/110:20:461
11206992418,4cyclictest25-21ksoftirqd/108:30:591
11206992418,3cyclictest25-21ksoftirqd/111:03:461
11206992417,4cyclictest25-21ksoftirqd/112:15:481
11206992417,4cyclictest25-21ksoftirqd/110:58:361
11206992417,4cyclictest25-21ksoftirqd/109:33:181
11206992417,4cyclictest25-21ksoftirqd/109:10:451
11206992417,4cyclictest25-21ksoftirqd/107:32:181
11206992416,4cyclictest25-21ksoftirqd/111:55:491
11201992419,3cyclictest9-21ksoftirqd/009:48:140
11201992419,3cyclictest9-21ksoftirqd/009:25:510
11201992418,3cyclictest9-21ksoftirqd/008:50:430
11201992418,3cyclictest9-21ksoftirqd/007:35:440
11201992417,4cyclictest9-21ksoftirqd/009:52:190
11201992412,4cyclictest9-21ksoftirqd/010:10:330
106891240,1ptp4l401ktimersoftd/312:25:473
106891240,1ptp4l401ktimersoftd/311:11:053
106891240,1ptp4l401ktimersoftd/309:55:443
106891240,1ptp4l401ktimersoftd/308:40:493
11213992318,3cyclictest33-21ksoftirqd/211:00:492
11213992318,3cyclictest33-21ksoftirqd/210:15:322
11213992318,3cyclictest31428-21kworker/2:011:15:522
11213992317,4cyclictest33-21ksoftirqd/212:17:222
11213992317,4cyclictest33-21ksoftirqd/209:52:302
11213992317,3cyclictest33-21ksoftirqd/211:43:102
11213992317,3cyclictest33-21ksoftirqd/211:24:212
11213992317,3cyclictest33-21ksoftirqd/210:27:462
11213992317,3cyclictest33-21ksoftirqd/207:45:052
11213992317,3cyclictest33-21ksoftirqd/207:29:322
11213992316,4cyclictest33-21ksoftirqd/212:11:002
11213992316,4cyclictest33-21ksoftirqd/207:30:342
11213992315,4cyclictest1055-21runrttasks12:00:512
11206992318,3cyclictest25-21ksoftirqd/112:37:311
11206992318,3cyclictest25-21ksoftirqd/112:37:311
11206992317,4cyclictest25-21ksoftirqd/112:00:551
11206992317,4cyclictest25-21ksoftirqd/111:48:221
11206992317,4cyclictest25-21ksoftirqd/111:16:351
11206992317,3cyclictest25-21ksoftirqd/112:30:361
11206992317,3cyclictest25-21ksoftirqd/111:23:451
11206992317,3cyclictest25-21ksoftirqd/111:10:541
11206992317,3cyclictest25-21ksoftirqd/108:20:431
11201992318,3cyclictest9-21ksoftirqd/008:25:300
11201992317,4cyclictest9-21ksoftirqd/007:59:470
11201992317,3cyclictest9-21ksoftirqd/012:45:360
11201992317,3cyclictest9-21ksoftirqd/011:45:240
11201992317,3cyclictest9-21ksoftirqd/009:58:100
11201992317,3cyclictest9-21ksoftirqd/009:20:240
11201992317,3cyclictest9-21ksoftirqd/007:24:010
11201992316,4cyclictest9-21ksoftirqd/007:52:040
11213992217,3cyclictest33-21ksoftirqd/212:35:582
11213992217,3cyclictest33-21ksoftirqd/212:35:582
11213992217,3cyclictest33-21ksoftirqd/211:50:572
11213992217,3cyclictest33-21ksoftirqd/209:46:042
11213992217,3cyclictest16605-21find10:45:582
11213992216,4cyclictest33-21ksoftirqd/208:39:392
11213992216,4cyclictest33-21ksoftirqd/208:33:172
11213992216,3cyclictest33-21ksoftirqd/211:33:532
11213992216,3cyclictest33-21ksoftirqd/209:35:532
11213992215,4cyclictest33-21ksoftirqd/208:47:342
11206992217,3cyclictest25-21ksoftirqd/111:45:351
11206992216,3cyclictest25-21ksoftirqd/108:56:201
11206992216,3cyclictest17098-21ls07:25:441
11206992215,4cyclictest25-21ksoftirqd/110:12:521
1120699221,3cyclictest121rcu_preempt08:17:491
11201992217,3cyclictest9-21ksoftirqd/010:55:340
11201992217,3cyclictest9-21ksoftirqd/010:55:340
11201992217,3cyclictest9-21ksoftirqd/008:00:550
11201992216,4cyclictest9-21ksoftirqd/012:21:210
11201992216,4cyclictest4400-21/usr/sbin/munin11:31:040
11201992216,3cyclictest9-21ksoftirqd/011:39:260
11201992216,3cyclictest9-21ksoftirqd/010:46:240
11201992216,3cyclictest9-21ksoftirqd/010:43:180
11201992216,3cyclictest9-21ksoftirqd/010:12:380
11201992216,3cyclictest9-21ksoftirqd/007:30:330
11201992216,3cyclictest9-21ksoftirqd/007:17:520
11201992216,3cyclictest27333-21/usr/sbin/munin11:11:000
11201992215,4cyclictest9-21ksoftirqd/009:00:410
11201992215,4cyclictest9-21ksoftirqd/009:00:410
1121399212,16cyclictest29838-21needreboot10:05:542
11213992116,3cyclictest33-21ksoftirqd/209:20:512
11206992116,3cyclictest25-21ksoftirqd/109:25:361
11206992116,3cyclictest25-21ksoftirqd/107:40:461
11206992115,3cyclictest25467-21forks08:50:471
11206992115,3cyclictest25-21ksoftirqd/110:20:301
11206992114,4cyclictest25-21ksoftirqd/110:00:031
11206992114,4cyclictest25-21ksoftirqd/109:45:261
11206992114,4cyclictest25-21ksoftirqd/109:17:201
11206992114,4cyclictest25-21ksoftirqd/108:41:271
11206992114,4cyclictest25-21ksoftirqd/108:02:091
11206992114,4cyclictest25-21ksoftirqd/107:53:011
11201992116,3cyclictest9-21ksoftirqd/012:04:470
11201992116,3cyclictest9-21ksoftirqd/011:58:210
1120199211,4cyclictest2007-21cat09:10:310
11201992114,4cyclictest27490-21/usr/sbin/munin08:55:470
1120199210,3cyclictest121rcu_preempt10:20:440
11213992013,4cyclictest33-21ksoftirqd/211:50:082
11213992013,4cyclictest33-21ksoftirqd/207:20:292
11206992015,3cyclictest25-21ksoftirqd/112:20:561
11206992013,4cyclictest25-21ksoftirqd/112:14:241
11206992013,4cyclictest25-21ksoftirqd/109:36:391
11206992013,4cyclictest16895-21cat10:46:041
11201992015,3cyclictest9-21ksoftirqd/007:27:470
11201992014,3cyclictest9-21ksoftirqd/010:04:000
11201992014,3cyclictest9-21ksoftirqd/009:21:040
11201992014,3cyclictest9-21ksoftirqd/008:34:540
11201992013,4cyclictest8181-21sed08:15:310
11213991913,3cyclictest27893-21fschecks_time08:55:492
11206991914,3cyclictest25-21ksoftirqd/110:30:521
11206991913,3cyclictest25-21ksoftirqd/109:05:481
11206991912,4cyclictest21956-21seq12:05:561
11201991914,3cyclictest9-21ksoftirqd/012:08:530
11201991914,3cyclictest9-21ksoftirqd/011:15:550
11201991914,3cyclictest9-21ksoftirqd/007:46:390
11201991913,4cyclictest9-21ksoftirqd/010:19:530
11201991913,4cyclictest2014-21kernelversion12:35:590
11201991913,4cyclictest2014-21kernelversion12:35:590
11201991913,4cyclictest12089-21cat10:36:020
1120699183,9cyclictest26579-21apt-get07:45:421
1120199180,15cyclictest15547-21grep11:51:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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