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2026-08-30 - 14:55
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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
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rackbslot4.osadl.org (updated Sun Aug 30, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11263998820,40cyclictest24476-21perl22:25:143
11263997920,35cyclictest17842-21crond22:59:573
11263997624,48cyclictest643-21runrttasks21:39:413
11263997420,47cyclictest25838-21grep21:00:153
11263997222,44cyclictest9392-21/usr/sbin/munin19:35:233
11263997017,29cyclictest3312-21wget20:30:103
11263996920,43cyclictest32430-21/usr/sbin/munin19:10:183
11263996920,43cyclictest2977-21unixbench_singl21:55:293
11263996816,46cyclictest25022-21sed20:15:203
11263996725,36cyclictest7232-21/usr/sbin/munin22:45:133
11263996719,42cyclictest15360-21crond18:25:033
11263996715,46cyclictest0-21swapper/320:55:023
11263996620,40cyclictest3627-21ls22:40:163
11263996620,40cyclictest13136-21/usr/sbin/munin19:45:243
11263996620,13cyclictest7521-21/usr/sbin/munin19:30:173
11263996619,41cyclictest31844-21ssh21:50:513
11263996521,38cyclictest18320-21ssh23:00:113
11263996520,40cyclictest24958-21aten_rbpower_cu18:50:143
11263996519,40cyclictest8151-21/usr/sbin/munin21:20:123
11263996519,40cyclictest11265-21/usr/sbin/munin19:40:313
11263996517,9cyclictest8734-21ssh20:36:223
312822640,3sleep031283-21ssh23:16:150
11263996422,36cyclictest30543-21/usr/sbin/munin19:05:503
11263996419,39cyclictest4829-21irqstats21:15:183
11263996419,39cyclictest26804-21/usr/sbin/munin18:55:313
11263996322,36cyclictest30491-21/usr/sbin/munin21:05:303
11263996322,36cyclictest14064-21latency_hist22:54:583
11263996319,38cyclictest3783-21/usr/sbin/munin19:20:293
11263996319,38cyclictest28088-21ssh21:45:483
11263996319,37cyclictest1332-21perl23:20:133
11263996319,37cyclictest1332-21perl23:20:133
11263996318,40cyclictest22501-21/usr/sbin/munin20:10:323
11263996318,39cyclictest31705-21latency_hist20:25:013
11263996318,39cyclictest14793-21kworker/3:120:29:433
11263996318,38cyclictest16878-21/usr/sbin/munin19:55:153
11263996317,41cyclictest18019-21latency18:30:213
11263996317,41cyclictest18019-21latency18:30:213
11263996222,34cyclictest28522-21/usr/sbin/munin22:30:193
11263996222,34cyclictest20480-21diskstats22:20:133
11263996222,34cyclictest18526-21fschecks_time20:50:163
11263996222,34cyclictest18526-21fschecks_time20:50:163
11263996222,34cyclictest15091-21chrt21:29:563
11263996221,35cyclictest14625-21ssh23:37:303
11263996219,38cyclictest29076-21ssh23:14:373
11263996219,37cyclictest7054-21ssh23:27:303
11263996219,37cyclictest2265-21ssh21:11:133
11263996219,37cyclictest18741-21/usr/sbin/munin20:00:283
11263996219,37cyclictest18555-21ssh23:42:513
11263996219,37cyclictest11234-21ssh23:33:203
11263996219,13cyclictest14333-21ssh20:45:053
11263996218,38cyclictest22304-21fschecks_time23:05:123
11263996217,39cyclictest19749-21ssh22:19:253
11263996213,42cyclictest0-21swapper/323:15:103
11263996213,13cyclictest8148-21ssh22:03:343
11263996122,33cyclictest32252-21memory22:35:163
11263996120,36cyclictest15432-21ssh22:13:083
11263996120,36cyclictest15432-21ssh22:13:083
11263996119,37cyclictest13358-21ssh20:43:243
11263996117,39cyclictest9673-21cat22:05:163
11263996113,42cyclictest370-21systemd-journal20:09:073
11263996022,32cyclictest29434-21/usr/sbin/munin19:00:253
11263996021,13cyclictest15954-21irqstats21:30:183
11263996021,13cyclictest15954-21irqstats21:30:183
11263996020,34cyclictest1914-21/usr/sbin/munin19:15:273
11263996019,35cyclictest24404-21taskset18:46:223
11263996016,38cyclictest0-21swapper/321:40:353
1124299593,51cyclictest0-21swapper/021:50:210
11263995819,34cyclictest16877-21chrt18:25:503
11263995819,34cyclictest15544-21wc19:50:203
11263995819,33cyclictest13492-21crond18:20:033
11263995610,41cyclictest5687-21aten_rbpower_en19:25:123
1124699564,46cyclictest0-21swapper/120:25:271
1124299563,48cyclictest0-21swapper/020:35:130
1124699554,45cyclictest0-21swapper/122:26:301
1124699554,45cyclictest0-21swapper/120:41:421
11246995445,5cyclictest21-21ksoftirqd/119:10:021
1124299545,43cyclictest0-21swapper/021:45:390
1124299541,48cyclictest17760-21ssh23:41:080
1124299535,42cyclictest0-21swapper/022:09:290
1124299534,44cyclictest0-21swapper/021:01:100
11242995314,32cyclictest12111-21fschecks_time21:25:140
108092538,38sleep10-21swapper/118:12:451
11263995217,30cyclictest22731-21runrttasks18:43:453
1124299523,44cyclictest0-21swapper/021:24:010
1124699514,9cyclictest0-21swapper/121:12:321
1124699514,42cyclictest0-21swapper/123:06:391
1124299516,40cyclictest0-21swapper/020:53:090
1124299516,40cyclictest0-21swapper/020:53:090
1124299515,40cyclictest0-21swapper/022:29:060
1124299514,41cyclictest0-21swapper/023:33:170
1124299514,10cyclictest0-21swapper/023:03:490
1124299513,43cyclictest0-21swapper/022:40:450
11242995110,36cyclictest0-21swapper/022:32:100
1124699502,42cyclictest25985-21ssh20:15:491
1124299509,36cyclictest0-21swapper/021:41:560
1124299505,39cyclictest0-21swapper/023:27:280
1124299505,39cyclictest0-21swapper/022:57:150
1124299504,41cyclictest0-21swapper/021:11:120
1124299504,40cyclictest0-21swapper/023:21:260
1124299504,40cyclictest0-21swapper/023:21:260
1124299503,14cyclictest0-21swapper/018:15:180
1124699494,39cyclictest0-21swapper/122:53:191
1124699494,39cyclictest0-21swapper/121:50:281
1124699493,41cyclictest0-21swapper/123:02:391
1124699493,40cyclictest0-21swapper/122:49:001
1124699493,40cyclictest0-21swapper/122:40:301
1124699493,15cyclictest0-21swapper/118:25:101
1124699492,41cyclictest13706-21ssh21:26:521
11246994911,6cyclictest0-21swapper/120:35:391
1124299499,12cyclictest0-21swapper/020:40:150
1124299498,35cyclictest0-21swapper/020:16:510
1124299497,7cyclictest0-21swapper/020:25:200
1124299497,37cyclictest0-21swapper/022:45:240
1124299495,38cyclictest0-21swapper/018:50:280
1124299495,18cyclictest0-21swapper/021:33:500
1124299495,18cyclictest0-21swapper/021:33:500
1124299494,40cyclictest0-21swapper/021:16:100
1124299494,39cyclictest0-21swapper/023:05:020
1124299494,39cyclictest0-21swapper/022:02:490
1124299494,39cyclictest0-21swapper/020:45:170
1124299494,39cyclictest0-21swapper/020:34:290
11242994910,13cyclictest0-21swapper/020:20:310
1124699484,9cyclictest0-21swapper/121:20:221
1124699484,38cyclictest0-21swapper/123:21:551
1124699484,38cyclictest0-21swapper/123:21:551
1124699484,38cyclictest0-21swapper/122:37:011
1124699484,38cyclictest0-21swapper/122:23:301
1124699484,38cyclictest0-21swapper/121:56:401
1124699483,9cyclictest0-21swapper/122:00:311
1124699483,40cyclictest0-21swapper/121:09:021
1124699483,40cyclictest0-21swapper/120:52:121
1124699483,40cyclictest0-21swapper/120:52:121
1124699482,40cyclictest28285-21kworker/1:120:46:321
1124699481,42cyclictest19-21rcuc/123:36:121
1124299489,6cyclictest0-21swapper/023:38:470
1124299489,14cyclictest0-21swapper/022:39:000
1124299484,38cyclictest0-21swapper/022:50:510
1124299484,38cyclictest0-21swapper/020:57:100
1124299484,19cyclictest0-21swapper/021:07:140
11242994815,27cyclictest24152-21diskmemload22:21:050
1125599475,36cyclictest0-21swapper/221:03:052
1125599474,37cyclictest0-21swapper/221:58:312
1125599473,39cyclictest0-21swapper/223:15:492
1124699476,16cyclictest0-21swapper/121:31:091
1124699476,16cyclictest0-21swapper/121:31:091
1124699474,38cyclictest0-21swapper/121:45:261
1124699474,37cyclictest0-21swapper/122:17:441
1124699474,37cyclictest0-21swapper/122:06:291
11246994738,5cyclictest21-21ksoftirqd/119:15:021
11246994736,8cyclictest0-21swapper/123:16:591
1124699473,40cyclictest0-21swapper/121:35:411
1124699473,40cyclictest0-21swapper/120:30:331
1124699472,40cyclictest13471-21latency22:10:171
1124699472,40cyclictest13471-21latency22:10:171
1124699472,19cyclictest26703-21ps23:10:231
11246994711,30cyclictest0-21swapper/121:40:041
11246994710,31cyclictest0-21swapper/121:03:461
1124299479,5cyclictest3-21ksoftirqd/022:15:190
1124299479,32cyclictest0-21swapper/023:10:430
1124299474,37cyclictest0-21swapper/022:10:530
1124299474,37cyclictest0-21swapper/022:10:530
1124299473,39cyclictest0-21swapper/019:25:340
1124299473,38cyclictest0-21swapper/021:36:210
1126399469,7cyclictest0-21swapper/318:40:033
1126399469,7cyclictest0-21swapper/318:40:033
1125599469,31cyclictest0-21swapper/222:31:512
1125599468,32cyclictest0-21swapper/221:49:142
1125599465,35cyclictest0-21swapper/222:55:322
1125599464,36cyclictest0-21swapper/222:36:242
1125599464,36cyclictest0-21swapper/222:28:062
1125599464,36cyclictest0-21swapper/222:14:392
1125599464,36cyclictest0-21swapper/222:14:392
1125599464,36cyclictest0-21swapper/220:43:412
1125599463,39cyclictest0-21swapper/221:05:422
1125599463,38cyclictest0-21swapper/220:23:532
1124699464,37cyclictest0-21swapper/123:25:221
1124699464,36cyclictest0-21swapper/123:30:041
1124299464,37cyclictest0-21swapper/018:45:360
1124299464,36cyclictest0-21swapper/018:30:290
1124299464,36cyclictest0-21swapper/018:30:290
1124299463,38cyclictest0-21swapper/021:55:010
1124299463,37cyclictest0-21swapper/018:40:160
1125599455,33cyclictest0-21swapper/223:05:442
1125599454,35cyclictest0-21swapper/223:34:112
1125599454,35cyclictest0-21swapper/222:20:212
1125599454,16cyclictest0-21swapper/223:40:462
1124699455,7cyclictest0-21swapper/122:30:241
1124699455,34cyclictest0-21swapper/123:40:211
1124699455,34cyclictest0-21swapper/120:55:271
1124699454,36cyclictest0-21swapper/119:25:201
1124699454,36cyclictest0-21swapper/118:18:401
1124699454,35cyclictest0-21swapper/122:58:371
1124699454,35cyclictest0-21swapper/120:20:161
1124699453,37cyclictest0-21swapper/118:30:131
1124699453,37cyclictest0-21swapper/118:30:131
1124299454,36cyclictest0-21swapper/018:25:160
1125599445,33cyclictest0-21swapper/221:20:462
1125599445,33cyclictest0-21swapper/221:19:482
1125599444,34cyclictest0-21swapper/221:25:382
1125599444,34cyclictest0-21swapper/220:55:052
1124299443,36cyclictest0-21swapper/018:35:260
1124299443,36cyclictest0-21swapper/018:35:260
12052433,7sleep20-21swapper/220:26:092
1125599435,7cyclictest0-21swapper/223:38:002
1125599435,7cyclictest0-21swapper/221:36:332
1124699433,35cyclictest0-21swapper/118:25:031
11246994324,13cyclictest14310-21grep19:45:301
1124699413,33cyclictest0-21swapper/120:01:271
106772419,26sleep30-21swapper/318:11:103
239362403,6sleep00-21swapper/020:12:310
1070623915,18sleep00-21swapper/018:11:320
283482383,29sleep10-21swapper/118:58:521
241052383,6sleep10-21swapper/120:14:331
88502373,6sleep10-21swapper/119:31:151
32932373,6sleep20-21swapper/219:16:562
1125599374,27cyclictest0-21swapper/222:16:572
91522363,6sleep00-21swapper/019:34:560
165042363,6sleep00-21swapper/019:53:150
11246993624,8cyclictest25246-21tune2fs18:50:171
11246993624,8cyclictest17874-21cat19:55:291
11246993624,7cyclictest16239-21grep19:50:321
11246993624,7cyclictest10608-21grep19:35:321
1124299363,28cyclictest0-21swapper/018:58:060
11242993625,6cyclictest10395-21sort19:35:300
69612352,6sleep26975-21diskstats22:45:112
109562354,8sleep20-21swapper/218:14:312
31942343,5sleep20-21swapper/222:40:122
201102343,6sleep00-21swapper/020:01:440
1125599344,25cyclictest0-21swapper/222:52:442
11255993421,8cyclictest9414-21tune2fs22:05:112
1124699344,24cyclictest0-21swapper/119:15:281
1125599333,27cyclictest0-21swapper/220:32:072
11255993321,7cyclictest19898-21ls18:35:232
11255993321,7cyclictest19898-21ls18:35:232
11255993321,7cyclictest1834-21wc23:20:232
11255993321,7cyclictest1834-21wc23:20:232
11255993320,8cyclictest31411-21sed21:50:282
1125599332,27cyclictest8211-21ssh20:35:312
11246993323,6cyclictest23801-21tr18:45:251
11246993321,7cyclictest21213-21grep20:05:201
11242993319,8cyclictest14074-21grep18:20:190
1125599324,25cyclictest0-21swapper/223:01:592
11255993220,8cyclictest32719-21cut19:10:172
11255993220,7cyclictest27870-21wc18:55:312
11255993218,8cyclictest18889-21netstat20:50:232
11255993218,8cyclictest18889-21netstat20:50:232
1124699323,25cyclictest0-21swapper/118:40:481
1124299323,25cyclictest0-21swapper/019:15:290
206892313,6sleep10-21swapper/118:36:431
206892313,6sleep10-21swapper/118:36:431
1125599314,23cyclictest0-21swapper/218:25:202
1125599314,21cyclictest0-21swapper/219:25:212
1125599313,24cyclictest0-21swapper/220:09:402
11255993121,6cyclictest643-21runrttasks20:16:572
11255993119,7cyclictest14525-21cpu20:45:122
11255993111,15cyclictest10037-21wc19:35:222
11246993119,7cyclictest11507-21cut19:40:141
11246993117,9cyclictest0-21swapper/121:15:181
1124299313,23cyclictest0-21swapper/020:05:090
11242993119,7cyclictest29701-21ls19:00:300
11242993119,7cyclictest13136-21/usr/sbin/munin19:45:140
11242993118,8cyclictest17545-21cat19:55:220
68452303,4sleep20-21swapper/223:27:042
1125599305,19cyclictest0-21swapper/221:10:302
1125599305,19cyclictest0-21swapper/219:50:142
11255993019,7cyclictest18384-21cat18:30:302
11255993019,7cyclictest18384-21cat18:30:302
1124299303,22cyclictest0-21swapper/019:10:080
1124299302,23cyclictest4325-21ls19:20:210
1125599295,20cyclictest0-21swapper/219:55:162
1125599295,19cyclictest0-21swapper/218:20:182
1125599294,20cyclictest0-21swapper/221:40:062
1125599294,20cyclictest0-21swapper/218:15:072
1125599294,19cyclictest0-21swapper/223:10:092
1125599293,21cyclictest16212-21ntpq21:30:222
1125599293,21cyclictest16212-21ntpq21:30:222
11255992919,6cyclictest24460-21ksmtuned18:47:052
11255992919,6cyclictest19380-21missed_timers20:00:202
11255992917,7cyclictest31850-21crond19:06:022
11255992915,9cyclictest584-21gdbus18:55:022
11246992918,7cyclictest3811-21aten_rbpower_en19:20:131
11246992918,6cyclictest28833-21df19:00:141
1124299293,21cyclictest0-21swapper/019:40:100
1125599284,20cyclictest0-21swapper/219:45:242
1125599284,20cyclictest0-21swapper/219:30:252
1125599284,20cyclictest0-21swapper/219:20:472
1125599283,18cyclictest21194-21/usr/sbin/munin18:40:132
11255992819,5cyclictest28711-21aten_rbpower_en19:00:122
11255992818,6cyclictest23531-21wc20:10:302
11255992818,6cyclictest12583-21ksmtuned19:41:082
1124299283,20cyclictest0-21swapper/019:05:260
11255992715,7cyclictest5559-21fschecks_count22:00:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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