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2026-05-17 - 20:03
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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 Sun May 17, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
708821860,4sleep32048699cyclictest13:13:123
1480621130,4sleep09-21ksoftirqd/011:09:310
1480621130,4sleep09-21ksoftirqd/011:09:310
1068911060,4ptp4l401ktimersoftd/308:31:273
43962640,5sleep02046799cyclictest13:11:320
167902570,3sleep2321ktimersoftd/211:44:022
56732560,1sleep30-21swapper/311:01:233
20467995518,6cyclictest9-21ksoftirqd/013:28:140
78972540,2sleep10-21swapper/113:46:581
233472540,1sleep30-21swapper/308:41:243
199742520,2sleep20-21swapper/211:14:392
2046799507,12cyclictest9-21ksoftirqd/013:01:470
20467995020,8cyclictest9-21ksoftirqd/013:33:360
2046799495,8cyclictest9-21ksoftirqd/011:11:400
220192480,2sleep122021-21ethtool11:16:431
2048699481,12cyclictest21352-21acpi11:16:363
2046799486,9cyclictest9-21ksoftirqd/010:56:420
2046799486,10cyclictest9-21ksoftirqd/009:36:540
2046799486,10cyclictest9-21ksoftirqd/009:36:540
2046799483,7cyclictest12592-21munin-run09:26:220
20467994820,4cyclictest9-21ksoftirqd/013:57:280
20467994819,4cyclictest9-21ksoftirqd/012:20:460
20467994818,7cyclictest9-21ksoftirqd/013:55:550
2048699471,12cyclictest10520-21switchtime10:26:533
2046799476,6cyclictest9-21ksoftirqd/012:41:510
2046799476,10cyclictest9-21ksoftirqd/011:46:260
2046799475,9cyclictest9-21ksoftirqd/012:21:430
2046799475,9cyclictest9-21ksoftirqd/008:41:400
2046799475,8cyclictest9-21ksoftirqd/013:36:470
2046799474,7cyclictest0-21swapper/011:21:260
2046799473,9cyclictest9-21ksoftirqd/013:11:280
20467994721,7cyclictest9-21ksoftirqd/012:36:580
20467994721,4cyclictest9-21ksoftirqd/011:35:350
20467994720,7cyclictest9-21ksoftirqd/010:36:560
20467994719,9cyclictest9-21ksoftirqd/014:03:060
20467994719,7cyclictest9-21ksoftirqd/010:08:110
20467994719,5cyclictest9-21ksoftirqd/011:59:340
20467994719,5cyclictest9-21ksoftirqd/011:54:570
20467994718,4cyclictest9-21ksoftirqd/012:56:280
20467994718,4cyclictest9-21ksoftirqd/012:56:280
20467994718,4cyclictest9-21ksoftirqd/011:40:450
2048099463,13cyclictest13997-21ssh10:36:352
2046799467,6cyclictest9-21ksoftirqd/009:31:220
20467994620,6cyclictest9-21ksoftirqd/012:16:230
20467994620,4cyclictest9-21ksoftirqd/013:49:450
20467994618,7cyclictest9-21ksoftirqd/013:16:450
20467994618,4cyclictest9-21ksoftirqd/011:48:400
2046799454,11cyclictest9-21ksoftirqd/008:56:360
20467994520,4cyclictest9-21ksoftirqd/012:32:080
20467994517,7cyclictest9-21ksoftirqd/011:28:320
20467994516,11cyclictest9-21ksoftirqd/009:46:440
20467994511,3cyclictest9-21ksoftirqd/011:03:420
2048099444,9cyclictest11028-21ssh12:11:382
2046799445,9cyclictest9-21ksoftirqd/013:26:290
2046799444,9cyclictest9-21ksoftirqd/009:16:440
2046799443,7cyclictest9-21ksoftirqd/011:21:550
2046799443,12cyclictest9-21ksoftirqd/012:26:400
2046799442,9cyclictest9-21ksoftirqd/012:06:270
20467994419,6cyclictest9-21ksoftirqd/009:07:050
20467994418,9cyclictest9-21ksoftirqd/012:46:490
20467994417,7cyclictest9-21ksoftirqd/010:02:290
20467994416,7cyclictest9-21ksoftirqd/013:42:330
2046799436,4cyclictest21986-21ssh12:56:280
2046799435,9cyclictest9-21ksoftirqd/010:21:540
2046799435,7cyclictest23049-21munin-node08:41:220
2046799435,6cyclictest9-21ksoftirqd/010:46:390
2046799435,10cyclictest9-21ksoftirqd/010:41:380
2046799434,7cyclictest9-21ksoftirqd/009:41:330
2046799433,9cyclictest9-21ksoftirqd/010:51:440
2046799432,9cyclictest9-21ksoftirqd/012:07:590
20467994319,9cyclictest9-21ksoftirqd/008:51:360
20467994319,4cyclictest9-21ksoftirqd/009:58:480
2046799431,7cyclictest9-21ksoftirqd/009:31:530
2046799413,11cyclictest9-21ksoftirqd/010:11:370
20467994130,3cyclictest9-21ksoftirqd/009:51:390
2046799412,11cyclictest9-21ksoftirqd/008:46:420
106891410,1ptp4l401ktimersoftd/312:11:483
2046799406,9cyclictest9-21ksoftirqd/008:36:220
2046799402,8cyclictest9-21ksoftirqd/009:01:390
2046799402,11cyclictest9-21ksoftirqd/010:31:410
20467994015,10cyclictest9-21ksoftirqd/009:11:360
2027724018,11sleep125-21ksoftirqd/108:35:241
106891400,1ptp4l401ktimersoftd/312:06:023
106891400,1ptp4l401ktimersoftd/311:58:433
2046799394,9cyclictest9-21ksoftirqd/010:16:420
2046799390,8cyclictest9-21ksoftirqd/010:26:250
106891390,1ptp4l401ktimersoftd/312:44:073
106891390,1ptp4l401ktimersoftd/312:35:543
106891380,1ptp4l401ktimersoftd/313:41:043
106891380,1ptp4l401ktimersoftd/313:03:003
106891380,1ptp4l401ktimersoftd/312:59:443
106891380,1ptp4l401ktimersoftd/312:59:443
106891380,1ptp4l401ktimersoftd/312:40:473
106891380,1ptp4l401ktimersoftd/312:24:003
106891380,1ptp4l401ktimersoftd/311:45:413
106891380,1ptp4l401ktimersoftd/311:11:363
106891380,1ptp4l401ktimersoftd/310:53:513
106891380,1ptp4l401ktimersoftd/310:39:373
106891380,0ptp4l401ktimersoftd/313:23:443
106891370,1ptp4l401ktimersoftd/313:59:563
106891370,1ptp4l401ktimersoftd/313:52:033
106891370,1ptp4l401ktimersoftd/313:51:053
106891370,1ptp4l401ktimersoftd/313:45:333
106891370,1ptp4l401ktimersoftd/313:30:093
106891370,1ptp4l401ktimersoftd/313:19:443
106891370,1ptp4l401ktimersoftd/313:06:493
106891370,1ptp4l401ktimersoftd/312:53:073
106891370,1ptp4l401ktimersoftd/312:47:323
106891370,1ptp4l401ktimersoftd/312:17:053
106891370,1ptp4l401ktimersoftd/311:47:153
106891370,1ptp4l401ktimersoftd/311:40:173
106891370,1ptp4l401ktimersoftd/311:34:173
106891370,1ptp4l401ktimersoftd/311:06:593
106891370,1ptp4l401ktimersoftd/311:06:593
106891370,1ptp4l401ktimersoftd/311:02:383
106891370,1ptp4l401ktimersoftd/310:33:343
106891370,0ptp4l401ktimersoftd/310:42:543
106891360,1ptp4l401ktimersoftd/313:35:353
106891360,1ptp4l401ktimersoftd/312:09:043
106891360,0ptp4l401ktimersoftd/312:28:233
106891360,0ptp4l401ktimersoftd/310:02:063
106891350,1ptp4l401ktimersoftd/314:05:343
106891350,1ptp4l401ktimersoftd/310:50:323
106891350,0ptp4l401ktimersoftd/311:23:333
227082343,3sleep125-21ksoftirqd/112:22:161
106891330,0ptp4l401ktimersoftd/311:27:333
2048699325,10cyclictest16970-21awk09:31:543
2024623210,11sleep233-21ksoftirqd/208:35:012
106891320,1ptp4l401ktimersoftd/309:48:293
20472993117,11cyclictest25-21ksoftirqd/114:05:461
2048699295,7cyclictest25851-21ssh11:52:433
20472992924,3cyclictest25-21ksoftirqd/109:46:231
2047299291,3cyclictest121rcu_preempt12:36:431
2492222821,3sleep233-21ksoftirqd/214:06:192
2048699286,6cyclictest0-21swapper/309:11:503
20480992822,3cyclictest33-21ksoftirqd/212:34:042
20480992822,3cyclictest33-21ksoftirqd/208:51:222
20480992720,4cyclictest33-21ksoftirqd/209:43:582
20480992720,4cyclictest33-21ksoftirqd/208:57:252
164972270,3sleep116507-21ssh10:38:011
20486992619,4cyclictest41-21ksoftirqd/310:10:483
20486992619,4cyclictest41-21ksoftirqd/309:06:213
2048099264,13cyclictest12507-21rm12:46:412
20480992620,3cyclictest33-21ksoftirqd/208:39:322
20480992619,4cyclictest33-21ksoftirqd/209:24:062
20480992619,4cyclictest32393-21tail13:06:442
20472992621,3cyclictest25-21ksoftirqd/111:41:261
20472992620,3cyclictest25-21ksoftirqd/108:55:191
20472992619,4cyclictest25-21ksoftirqd/112:48:131
20472992619,4cyclictest25-21ksoftirqd/110:07:251
106891260,1ptp4l401ktimersoftd/309:51:403
2048699259,10cyclictest0-21swapper/308:56:333
2048699256,15cyclictest21023-21tr08:36:363
20486992518,4cyclictest41-21ksoftirqd/310:19:073
20486992513,8cyclictest12854-21acpi09:26:383
20480992519,3cyclictest33-21ksoftirqd/208:51:252
20480992510,8cyclictest321ktimersoftd/212:36:412
20472992519,4cyclictest25-21ksoftirqd/110:27:171
20472992518,4cyclictest25-21ksoftirqd/112:32:471
20472992518,4cyclictest25-21ksoftirqd/109:35:261
20472992518,4cyclictest25-21ksoftirqd/109:26:141
2047299251,21cyclictest14245-21snmp_o5powerctl09:26:511
106891250,1ptp4l401ktimersoftd/309:56:363
275362240,2sleep10-21swapper/112:27:131
2048699244,17cyclictest0-21swapper/310:11:443
20486992417,4cyclictest41-21ksoftirqd/309:18:373
20486992417,4cyclictest41-21ksoftirqd/308:52:243
20480992418,3cyclictest33-21ksoftirqd/210:12:422
20480992418,3cyclictest33-21ksoftirqd/208:44:282
20480992417,4cyclictest9755-21tail09:16:502
20480992417,4cyclictest33-21ksoftirqd/210:00:562
20480992417,4cyclictest33-21ksoftirqd/209:52:252
20472992419,3cyclictest25-21ksoftirqd/108:51:221
20472992418,4cyclictest25-21ksoftirqd/109:52:361
20472992418,4cyclictest25-21ksoftirqd/109:38:231
20472992418,4cyclictest25-21ksoftirqd/109:38:231
20472992418,3cyclictest25-21ksoftirqd/113:26:461
20472992418,3cyclictest25-21ksoftirqd/112:54:151
20472992418,3cyclictest25-21ksoftirqd/110:21:071
20472992418,3cyclictest25-21ksoftirqd/109:06:221
20472992417,4cyclictest25-21ksoftirqd/113:07:321
20472992417,4cyclictest25-21ksoftirqd/108:38:131
2047299241,20cyclictest9295-21ssh12:09:071
20472992411,10cyclictest23769-21threads12:56:581
20472992411,10cyclictest23769-21threads12:56:581
106891240,1ptp4l401ktimersoftd/310:21:383
106891240,1ptp4l401ktimersoftd/309:41:413
106891240,1ptp4l401ktimersoftd/309:36:483
106891240,1ptp4l401ktimersoftd/309:36:483
106891240,1ptp4l401ktimersoftd/309:06:493
106891240,1ptp4l401ktimersoftd/308:46:383
2048099234,3cyclictest121rcu_preempt13:33:152
20480992318,3cyclictest33-21ksoftirqd/209:32:552
20480992317,3cyclictest33-21ksoftirqd/213:42:582
2048099231,6cyclictest121rcu_preempt12:58:562
2048099231,6cyclictest121rcu_preempt12:58:562
20480992316,4cyclictest33-21ksoftirqd/210:32:392
20480992316,4cyclictest33-21ksoftirqd/210:29:542
20480992316,4cyclictest33-21ksoftirqd/210:05:342
20480992315,4cyclictest4456-21/usr/sbin/munin13:11:452
2047299233,13cyclictest47050irq/101-ens3-Tx10:51:351
20472992318,3cyclictest25-21ksoftirqd/113:34:301
20472992317,4cyclictest25-21ksoftirqd/113:18:281
20472992317,4cyclictest25-21ksoftirqd/110:12:271
20472992317,3cyclictest25-21ksoftirqd/111:51:261
20472992317,3cyclictest25-21ksoftirqd/110:23:191
20472992317,3cyclictest25-21ksoftirqd/109:13:321
2047299231,19cyclictest3674-21df_inode09:06:391
2047299231,19cyclictest29876-21snmp_o5powerctl11:56:511
2047299231,19cyclictest15653-21snmp_o5powerctl13:21:531
2047299231,19cyclictest0-21swapper/111:06:581
2047299231,19cyclictest0-21swapper/111:06:581
106891230,1ptp4l401ktimersoftd/309:21:353
2048099228,11cyclictest20659-21sh11:47:142
20480992216,3cyclictest33-21ksoftirqd/212:09:372
20480992216,3cyclictest33-21ksoftirqd/210:50:522
20480992215,4cyclictest16167-21grep12:16:412
2048099221,4cyclictest2922-21users12:01:552
2048099221,3cyclictest1055-21runrttasks11:51:312
2048099221,19cyclictest0-21swapper/212:31:162
2048099221,18cyclictest8109-21snmp_o5powerctl10:21:492
20480992211,8cyclictest29195-21fschecks_time13:36:452
2047299223,17cyclictest15766-21ssh12:16:351
20472992218,2cyclictest0-21swapper/113:05:321
20472992217,3cyclictest25-21ksoftirqd/110:56:461
20472992216,3cyclictest25-21ksoftirqd/110:50:491
20472992216,3cyclictest25-21ksoftirqd/110:34:471
20472992216,3cyclictest25-21ksoftirqd/109:19:111
20472992216,3cyclictest25-21ksoftirqd/108:56:321
20472992215,4cyclictest25-21ksoftirqd/111:25:061
20472992214,4cyclictest25368-21uptime11:51:561
2047299221,3cyclictest19681-21ssh11:14:101
2047299221,18cyclictest13564-21ssh11:41:301
2047299221,18cyclictest13088-21ssh13:52:331
2047299221,18cyclictest0-21swapper/113:12:201
2047299221,18cyclictest0-21swapper/112:12:591
2047299220,19cyclictest31077-21grep10:01:511
38162210,6sleep1241ktimersoftd/111:31:321
2048099212,3cyclictest12908-21apt-get09:26:392
20480992115,3cyclictest8756-21ssh11:36:382
20480992115,3cyclictest33-21ksoftirqd/211:10:212
20480992115,3cyclictest33-21ksoftirqd/211:10:212
20480992115,3cyclictest18765-21snmp_o5powerctl12:51:522
20480992114,4cyclictest9972-21sh12:42:522
20480992114,4cyclictest22868-21snmp_o5powerctl11:16:502
2048099211,3cyclictest31918-21ssh11:59:432
2048099211,3cyclictest20695-21apt-get12:21:392
20480992113,5cyclictest28804-21grep13:01:562
2048099211,2cyclictest0-21swapper/213:27:492
2048099211,17cyclictest9274-21ssh11:03:492
2048099211,17cyclictest870-21ps10:06:442
2048099211,17cyclictest27986-21snmp_o5powerctl11:21:502
2047299213,16cyclictest0-21swapper/112:44:041
20472992118,2cyclictest0-21swapper/109:47:121
2047299211,3cyclictest8456-21ssh11:02:251
2047299211,3cyclictest23965-21apt-get08:41:341
2047299211,18cyclictest5092-21ssh12:05:391
2047299211,18cyclictest0-21swapper/111:27:301
2047299211,17cyclictest32332-21ssh13:39:571
2047299210,4cyclictest21184-21ssh10:42:371
20480992014,3cyclictest14066-21sh13:21:322
2048099201,3cyclictest5746-21snmp_o5powerctl10:16:482
2048099201,3cyclictest10816-21snmp_o5powerctl13:16:532
20480992013,4cyclictest9360-21sh13:49:282
20480992013,4cyclictest4198-21sh10:58:522
20480992013,4cyclictest32421-21uname11:26:462
20480992013,4cyclictest18822-21/usr/sbin/munin10:41:462
20480992013,4cyclictest18475-21cut09:36:432
20480992013,4cyclictest18475-21cut09:36:432
20480992012,5cyclictest3877-21cut09:06:412
20480992012,5cyclictest16013-21sh13:56:432
2048099201,16cyclictest13599-21diskmemload10:51:492
2048099200,18cyclictest0-21swapper/209:14:152
2047299201,5cyclictest15726-21apt-get13:56:401
2047299201,4cyclictest2382-21phc2sys13:41:491
20480991913,3cyclictest5570-21timerwakeupswit11:31:542
2048099190,17cyclictest0-21swapper/213:55:132
20472991913,3cyclictest27266-21/usr/sbin/munin09:56:361
20480991813,3cyclictest22397-21apt-get09:46:362
2048099173,8cyclictest1021-21apt-get09:01:342
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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