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2026-01-10 - 20:34
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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 Sat Jan 10, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
143921790,5sleep21902399cyclictest10:52:192
1068911040,4ptp4l401ktimersoftd/307:21:303
106891690,1ptp4l401ktimersoftd/310:41:353
106891660,2ptp4l401ktimersoftd/309:56:173
186132650,5sleep31903199cyclictest11:11:073
58192640,2sleep31903199cyclictest10:25:223
187172624,9sleep10-21swapper/107:23:341
106891590,1ptp4l401ktimersoftd/312:26:083
106891590,1ptp4l401ktimersoftd/312:26:083
106891590,1ptp4l401ktimersoftd/307:36:303
75142560,4sleep37512-21turbostat12:06:073
187512564,10sleep20-21swapper/207:23:592
106891550,7ptp4l401ktimersoftd/312:32:443
19019995322,9cyclictest25-21ksoftirqd/109:47:351
319522510,1sleep10-21swapper/111:56:301
19019995123,11cyclictest25-21ksoftirqd/112:06:381
19019995120,9cyclictest25-21ksoftirqd/109:51:461
287142500,2sleep20-21swapper/208:51:192
19019995022,5cyclictest25-21ksoftirqd/111:11:111
19019995020,8cyclictest25-21ksoftirqd/109:33:361
19019995018,8cyclictest25-21ksoftirqd/110:44:421
19019994921,11cyclictest25-21ksoftirqd/112:19:021
19019994920,11cyclictest25-21ksoftirqd/111:45:571
165012490,2sleep10-21swapper/112:14:571
106891490,1ptp4l401ktimersoftd/310:48:133
106891490,0ptp4l401ktimersoftd/311:44:223
106891490,0ptp4l401ktimersoftd/310:38:413
106891490,0ptp4l401ktimersoftd/310:38:413
19019994822,9cyclictest25-21ksoftirqd/112:36:231
19019994820,11cyclictest25-21ksoftirqd/111:23:441
19019994820,10cyclictest25-21ksoftirqd/109:37:331
19019994819,9cyclictest25-21ksoftirqd/110:37:451
19019994819,9cyclictest25-21ksoftirqd/110:37:451
19019994819,11cyclictest25-21ksoftirqd/111:46:431
106891480,1ptp4l401ktimersoftd/312:45:233
19019994719,4cyclictest25-21ksoftirqd/109:06:221
19019994719,10cyclictest25-21ksoftirqd/111:55:551
19019994719,10cyclictest25-21ksoftirqd/110:55:441
19019994621,4cyclictest25-21ksoftirqd/110:06:321
19019994618,9cyclictest25-21ksoftirqd/111:00:521
19019994541,2cyclictest231rcuc/108:36:561
19019994521,4cyclictest25-21ksoftirqd/109:30:441
19019994519,10cyclictest25-21ksoftirqd/112:41:201
19019994519,10cyclictest25-21ksoftirqd/111:29:401
19019994517,7cyclictest25-21ksoftirqd/112:29:521
19019994510,6cyclictest25-21ksoftirqd/108:49:441
19019994510,6cyclictest25-21ksoftirqd/108:49:441
19019994417,9cyclictest25-21ksoftirqd/110:20:521
19019994417,9cyclictest25-21ksoftirqd/109:45:001
19019994417,10cyclictest25-21ksoftirqd/112:50:231
19019994321,9cyclictest25-21ksoftirqd/110:22:361
19019994319,9cyclictest25-21ksoftirqd/109:16:041
1901999424,5cyclictest25-21ksoftirqd/111:03:261
19019994217,9cyclictest25-21ksoftirqd/111:06:131
19019994217,8cyclictest25-21ksoftirqd/111:37:371
19019994216,9cyclictest25-21ksoftirqd/112:22:381
19019994216,9cyclictest25-21ksoftirqd/112:22:381
19019994216,9cyclictest25-21ksoftirqd/110:13:121
1884324224,8sleep00-21swapper/007:25:100
106891420,1ptp4l401ktimersoftd/312:53:593
106891420,1ptp4l401ktimersoftd/309:12:423
19019994117,9cyclictest25-21ksoftirqd/110:28:081
19019994117,9cyclictest25-21ksoftirqd/110:28:081
19019994116,9cyclictest25-21ksoftirqd/110:03:431
19019994114,4cyclictest25-21ksoftirqd/108:14:351
19019994012,6cyclictest25-21ksoftirqd/111:31:231
106891400,1ptp4l401ktimersoftd/310:52:013
106891400,0ptp4l401ktimersoftd/309:47:093
1901999394,6cyclictest25-21ksoftirqd/110:01:001
1901999394,5cyclictest25-21ksoftirqd/108:08:161
1901999393,5cyclictest25-21ksoftirqd/109:16:321
1901999392,5cyclictest25-21ksoftirqd/107:36:211
1901999391,5cyclictest25-21ksoftirqd/112:01:251
106891390,1ptp4l401ktimersoftd/311:51:253
106891390,1ptp4l401ktimersoftd/311:31:323
106891390,1ptp4l401ktimersoftd/309:40:253
106891390,0ptp4l401ktimersoftd/312:08:183
1901999384,6cyclictest25-21ksoftirqd/107:41:301
19019993822,7cyclictest25-21ksoftirqd/110:33:541
19019993822,7cyclictest25-21ksoftirqd/110:33:541
1901999380,5cyclictest25-21ksoftirqd/112:51:261
106891380,1ptp4l401ktimersoftd/312:50:303
106891380,1ptp4l401ktimersoftd/311:56:413
106891380,1ptp4l401ktimersoftd/311:50:003
106891380,1ptp4l401ktimersoftd/310:17:443
106891380,1ptp4l401ktimersoftd/310:14:173
106891380,1ptp4l401ktimersoftd/310:07:163
106891380,1ptp4l401ktimersoftd/309:34:593
106891380,14ptp4l401ktimersoftd/309:41:303
19019993723,4cyclictest25-21ksoftirqd/109:26:041
19019993718,7cyclictest25-21ksoftirqd/111:19:331
1901999371,5cyclictest25-21ksoftirqd/108:41:181
19019993711,8cyclictest25-21ksoftirqd/110:48:211
1901999370,5cyclictest25-21ksoftirqd/112:35:021
106891370,1ptp4l401ktimersoftd/312:37:483
106891370,1ptp4l401ktimersoftd/312:20:023
106891370,1ptp4l401ktimersoftd/312:11:513
106891370,1ptp4l401ktimersoftd/311:28:273
106891370,1ptp4l401ktimersoftd/311:16:113
106891370,1ptp4l401ktimersoftd/309:51:383
106891370,1ptp4l401ktimersoftd/308:11:243
4072360,5sleep21902399cyclictest10:19:352
1901999361,5cyclictest25-21ksoftirqd/108:22:441
106891360,2ptp4l13422-21kworker/3:108:22:143
106891360,1ptp4l401ktimersoftd/311:22:293
106891360,1ptp4l401ktimersoftd/310:34:213
106891360,1ptp4l401ktimersoftd/310:34:213
106891360,1ptp4l401ktimersoftd/309:26:043
106891360,0ptp4l401ktimersoftd/311:38:293
106891360,0ptp4l401ktimersoftd/309:26:383
106891360,0ptp4l401ktimersoftd/309:06:353
106891360,0ptp4l401ktimersoftd/308:08:423
106891360,0ptp4l401ktimersoftd/307:50:473
19019993518,8cyclictest25-21ksoftirqd/109:01:171
1901999350,5cyclictest25-21ksoftirqd/108:55:111
19014993522,6cyclictest101ktimersoftd/011:01:180
106891350,1ptp4l401ktimersoftd/312:27:213
106891350,0ptp4l401ktimersoftd/310:04:433
292082340,23sleep00-21swapper/010:16:200
1901999343,6cyclictest2826-21strings07:56:211
19019993430,2cyclictest231rcuc/107:34:521
1901999342,6cyclictest25-21ksoftirqd/108:33:391
19019993421,4cyclictest25-21ksoftirqd/107:51:161
106891340,1ptp4l401ktimersoftd/311:12:113
106891340,1ptp4l401ktimersoftd/309:16:313
19019993318,6cyclictest25-21ksoftirqd/107:46:221
106891330,1ptp4l401ktimersoftd/310:26:483
106891330,1ptp4l401ktimersoftd/310:26:483
106891330,1ptp4l401ktimersoftd/308:16:423
19023993217,5cyclictest33-21ksoftirqd/212:20:282
1901999322,6cyclictest25-21ksoftirqd/108:56:141
19019993218,6cyclictest25-21ksoftirqd/108:26:161
1901999320,7cyclictest25-21ksoftirqd/107:26:201
106891320,1ptp4l401ktimersoftd/309:00:163
106891320,1ptp4l401ktimersoftd/308:38:403
106891320,1ptp4l401ktimersoftd/308:34:043
106891320,0ptp4l401ktimersoftd/308:53:123
19023993122,6cyclictest33-21ksoftirqd/211:59:002
19023993117,5cyclictest33-21ksoftirqd/210:33:322
19023993117,5cyclictest33-21ksoftirqd/210:33:322
1901999312,5cyclictest25-21ksoftirqd/108:01:301
19014993126,3cyclictest9-21ksoftirqd/012:16:080
106891310,1ptp4l401ktimersoftd/311:04:283
106891310,1ptp4l401ktimersoftd/308:30:053
106891310,1ptp4l401ktimersoftd/307:32:553
1479923013,5sleep233-21ksoftirqd/209:27:132
106891300,1ptp4l401ktimersoftd/307:57:263
19014992923,3cyclictest9-21ksoftirqd/011:06:350
19014992921,5cyclictest9-21ksoftirqd/011:41:220
19014992916,6cyclictest9-21ksoftirqd/010:01:160
106891290,0ptp4l401ktimersoftd/308:44:323
19031992821,4cyclictest41-21ksoftirqd/308:01:383
19023992823,3cyclictest33-21ksoftirqd/211:18:072
1901999280,12cyclictest25-21ksoftirqd/108:16:191
19031992720,4cyclictest41-21ksoftirqd/308:49:593
19031992720,4cyclictest41-21ksoftirqd/308:49:593
19023992721,3cyclictest33-21ksoftirqd/210:12:082
19014992722,3cyclictest9-21ksoftirqd/010:41:190
19014992721,3cyclictest9-21ksoftirqd/007:31:020
19014992714,7cyclictest101ktimersoftd/012:06:200
19023992621,3cyclictest33-21ksoftirqd/212:27:022
19023992620,4cyclictest33-21ksoftirqd/209:10:422
19023992620,3cyclictest33-21ksoftirqd/208:32:492
19023992620,3cyclictest33-21ksoftirqd/208:17:392
19023992619,5cyclictest33-21ksoftirqd/210:46:312
1901499262,14cyclictest11110-21ssh11:36:180
19014992621,3cyclictest9-21ksoftirqd/011:47:540
19014992621,3cyclictest9-21ksoftirqd/011:31:260
19014992621,3cyclictest9-21ksoftirqd/010:11:230
19014992620,3cyclictest9-21ksoftirqd/008:16:030
19014992619,4cyclictest9-21ksoftirqd/008:42:380
19014992619,4cyclictest9-21ksoftirqd/008:34:430
106891260,1ptp4l401ktimersoftd/310:56:113
26402250,2sleep00-21swapper/012:33:220
1903199254,8cyclictest31797-21apt-get07:51:133
19023992520,3cyclictest33-21ksoftirqd/210:39:402
19023992520,3cyclictest33-21ksoftirqd/210:39:402
19023992520,2cyclictest33-21ksoftirqd/207:31:322
19023992519,4cyclictest33-21ksoftirqd/209:14:352
19023992519,4cyclictest33-21ksoftirqd/207:58:442
19023992519,3cyclictest33-21ksoftirqd/209:25:132
19023992519,3cyclictest33-21ksoftirqd/208:46:482
19023992519,3cyclictest33-21ksoftirqd/208:46:482
19023992519,3cyclictest33-21ksoftirqd/208:44:562
19023992519,3cyclictest33-21ksoftirqd/208:04:482
19023992519,3cyclictest33-21ksoftirqd/207:41:482
19023992518,5cyclictest33-21ksoftirqd/212:43:062
19023992518,5cyclictest33-21ksoftirqd/210:41:232
19023992518,4cyclictest33-21ksoftirqd/207:39:372
19014992520,3cyclictest9-21ksoftirqd/012:26:270
19014992520,3cyclictest9-21ksoftirqd/009:41:190
19014992519,3cyclictest9-21ksoftirqd/008:01:140
19014992518,4cyclictest9-21ksoftirqd/008:25:560
19014992518,4cyclictest15123-21sh09:27:460
129252250,4sleep01901499cyclictest10:31:260
129252250,4sleep01901499cyclictest10:31:260
106891250,0ptp4l401ktimersoftd/309:02:533
19023992419,3cyclictest33-21ksoftirqd/212:39:512
19023992417,4cyclictest7618-21cut08:06:232
19023992417,4cyclictest33-21ksoftirqd/212:11:162
19023992417,4cyclictest33-21ksoftirqd/208:22:162
19023992417,4cyclictest33-21ksoftirqd/207:53:382
19014992419,3cyclictest9-21ksoftirqd/011:21:080
19014992419,3cyclictest9-21ksoftirqd/010:58:520
19014992418,3cyclictest9-21ksoftirqd/009:37:140
19014992418,3cyclictest9-21ksoftirqd/008:28:490
19014992417,4cyclictest9-21ksoftirqd/007:56:330
19014992417,4cyclictest9-21ksoftirqd/007:40:030
1901499241,18cyclictest0-21swapper/010:21:160
106891240,1ptp4l401ktimersoftd/307:41:143
106891240,1ptp4l401ktimersoftd/307:26:123
19023992318,3cyclictest33-21ksoftirqd/207:46:112
19023992317,4cyclictest33-21ksoftirqd/208:37:342
19023992317,3cyclictest33-21ksoftirqd/211:31:422
19014992318,3cyclictest9-21ksoftirqd/012:46:270
19014992318,3cyclictest9-21ksoftirqd/012:21:350
19014992318,3cyclictest9-21ksoftirqd/012:21:350
19014992318,3cyclictest9-21ksoftirqd/010:26:340
19014992318,3cyclictest9-21ksoftirqd/010:26:340
19014992318,3cyclictest9-21ksoftirqd/010:11:050
19014992318,3cyclictest9-21ksoftirqd/009:01:160
19014992318,3cyclictest9-21ksoftirqd/007:42:200
19014992317,3cyclictest9-21ksoftirqd/011:52:390
19014992317,3cyclictest9-21ksoftirqd/011:11:230
19014992317,3cyclictest9-21ksoftirqd/008:10:050
19014992316,4cyclictest9-21ksoftirqd/009:12:040
19014992316,4cyclictest9-21ksoftirqd/007:52:240
19014992311,6cyclictest9-21ksoftirqd/007:31:130
38892220,5sleep21902399cyclictest09:50:242
1902399222,18cyclictest23499-21sendmail11:16:072
19023992217,3cyclictest33-21ksoftirqd/209:36:052
19023992216,3cyclictest33-21ksoftirqd/208:28:022
19023992215,4cyclictest33-21ksoftirqd/212:23:372
19023992215,4cyclictest33-21ksoftirqd/212:23:372
19014992217,3cyclictest9-21ksoftirqd/012:51:280
19014992217,3cyclictest9-21ksoftirqd/009:51:250
19014992217,3cyclictest9-21ksoftirqd/007:48:310
19014992217,3cyclictest14694-1kworker/u9:109:48:360
19014992216,3cyclictest9-21ksoftirqd/012:18:010
19014992216,3cyclictest9-21ksoftirqd/009:01:000
19014992215,4cyclictest9-21ksoftirqd/009:18:390
19023992116,3cyclictest33-21ksoftirqd/211:55:392
19023992116,3cyclictest33-21ksoftirqd/210:10:502
19023992116,3cyclictest33-21ksoftirqd/209:18:292
19023992115,4cyclictest33-21ksoftirqd/210:56:532
19023992115,4cyclictest33-21ksoftirqd/209:01:552
19023992115,3cyclictest33-21ksoftirqd/212:46:362
19023992114,4cyclictest7531-21sh09:53:142
19023992114,4cyclictest3670-21sh12:01:242
19023992114,4cyclictest33-21ksoftirqd/208:57:092
19023992114,4cyclictest31755-21sh09:46:002
1901499215,14cyclictest0-21swapper/008:51:180
19014992115,3cyclictest9-21ksoftirqd/012:39:050
19014992115,3cyclictest9-21ksoftirqd/011:30:530
19014992115,3cyclictest9-21ksoftirqd/008:40:530
19014992114,4cyclictest28375-21latency_hist11:21:080
1901499211,3cyclictest0-21swapper/009:56:240
1902399207,10cyclictest12650-21cat11:36:342
19023992015,3cyclictest33-21ksoftirqd/211:46:232
19023992015,3cyclictest33-21ksoftirqd/211:01:112
19023992014,3cyclictest7820-21/usr/sbin/munin12:06:302
19023992014,3cyclictest33-21ksoftirqd/210:26:382
19023992014,3cyclictest33-21ksoftirqd/210:26:382
19023992014,3cyclictest23380-21cat09:36:212
19023992014,3cyclictest14670-21irqrtprio11:06:252
19023992013,4cyclictest3748-21sh10:21:512
19023992013,4cyclictest31737-21sh11:23:112
19023992013,4cyclictest2433-21sh12:33:022
19023992013,4cyclictest17544-21timerandwakeup11:41:332
19023992013,4cyclictest1330-21basename11:26:182
19023992013,4cyclictest12464-21sh09:58:142
19014992015,3cyclictest9-21ksoftirqd/012:01:340
19014992015,3cyclictest9-21ksoftirqd/011:56:230
19014992015,3cyclictest9-21ksoftirqd/010:36:210
19014992015,3cyclictest9-21ksoftirqd/010:36:210
19014992015,3cyclictest9-21ksoftirqd/008:19:380
19014992014,4cyclictest9-21ksoftirqd/009:24:210
19014992013,4cyclictest9-21ksoftirqd/009:09:270
19014992012,4cyclictest13993-21idleruntime-cro12:46:090
19023991914,3cyclictest33-21ksoftirqd/212:51:222
19023991913,3cyclictest21564-21if_enp1s0.107:31:022
19023991913,3cyclictest16682-21sh10:02:052
19023991913,3cyclictest10564-21vmstat08:11:312
19014991912,4cyclictest26873-21grep10:46:200
19014991813,3cyclictest24734-1kworker/u9:110:54:420
19014991811,4cyclictest17442-21basename09:31:160
19014991711,3cyclictest25882-21basename08:46:160
19014991711,3cyclictest25882-21basename08:46:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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