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2026-11-02 - 12:08
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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 all highest latencies:
System rackbslot6.osadl.org (updated Mon Nov 02, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
407821470,3sleep051499cyclictest01:24:510
106891960,4ptp4l401ktimersoftd/322:07:033
215472870,4sleep2311rcuc/201:09:522
106891810,1ptp4l401ktimersoftd/301:59:253
106891810,1ptp4l401ktimersoftd/301:59:253
76342780,3sleep37631-21munin-run01:29:323
15192710,3sleep10-21swapper/101:54:561
15192710,3sleep10-21swapper/101:54:561
529996653,9cyclictest33-21ksoftirqd/200:54:452
106891650,1ptp4l401ktimersoftd/322:14:463
106891640,1ptp4l401ktimersoftd/301:00:233
326872572,20sleep233-21ksoftirqd/222:07:042
283852570,2sleep10-21swapper/123:04:491
209992560,2sleep00-21swapper/022:49:460
106891540,3ptp4l13114-21kworker/3:200:56:283
106891540,1ptp4l401ktimersoftd/303:38:343
106891520,1ptp4l401ktimersoftd/301:19:193
52599510,18cyclictest3454-21munin-node22:14:311
52599500,13cyclictest31061-21taskset23:09:491
52599490,13cyclictest5066-21ptp4l00:19:531
514994940,4cyclictest9-21ksoftirqd/001:14:450
52599480,13cyclictest19585-21sed01:40:111
106891480,2ptp4l6789-21kworker/3:103:27:073
52599470,18cyclictest32233-21munin-run01:54:331
52599470,18cyclictest15630-21sed01:04:331
514994738,4cyclictest9-21ksoftirqd/000:44:420
52599460,19cyclictest0-21swapper/103:34:041
52599460,12cyclictest26231-21/usr/sbin/munin00:10:001
52599460,12cyclictest12311-21fschecks_time23:39:491
52599450,23cyclictest0-21swapper/102:57:291
52599450,19cyclictest9669-21sed01:30:021
52599450,13cyclictest29939-21cat00:44:581
514994536,5cyclictest9-21ksoftirqd/001:44:460
106891450,2ptp4l6789-21kworker/3:103:33:503
514994435,4cyclictest9-21ksoftirqd/001:09:450
514994434,5cyclictest9-21ksoftirqd/002:09:460
52599430,18cyclictest13195-21ssh03:13:411
52599430,18cyclictest12880-21/usr/sbin/munin01:35:031
52599430,13cyclictest14924-21if_ens323:44:481
52599430,10cyclictest19966-21ssh02:47:031
106891430,1ptp4l401ktimersoftd/301:34:453
52599420,19cyclictest9517-21/usr/sbin/munin23:34:481
52599420,12cyclictest25886-21diskmemload02:05:481
52599420,11cyclictest0-21swapper/102:04:111
52599420,11cyclictest0-21swapper/102:04:111
52599410,15cyclictest27309-21ssh00:43:221
3263924120,10sleep125-21ksoftirqd/122:06:271
106891410,1ptp4l401ktimersoftd/301:44:463
52599400,12cyclictest16113-21ssh03:15:191
52599400,10cyclictest26065-21latency_hist00:09:311
106891400,2ptp4l13114-21kworker/3:200:29:533
514993929,5cyclictest9-21ksoftirqd/000:04:440
106891390,1ptp4l401ktimersoftd/303:21:303
529993824,7cyclictest33-21ksoftirqd/223:24:422
529993824,6cyclictest33-21ksoftirqd/222:09:412
106891380,1ptp4l401ktimersoftd/302:28:543
106891380,1ptp4l401ktimersoftd/301:10:213
106891380,1ptp4l401ktimersoftd/300:40:163
106891380,1ptp4l401ktimersoftd/300:23:093
106891380,0ptp4l401ktimersoftd/302:40:283
52599370,9cyclictest22847-21ssh00:39:121
106891370,1ptp4l401ktimersoftd/303:08:513
106891370,1ptp4l401ktimersoftd/302:58:073
106891370,1ptp4l401ktimersoftd/302:50:553
106891370,1ptp4l401ktimersoftd/302:46:443
106891370,1ptp4l401ktimersoftd/302:35:583
106891370,1ptp4l401ktimersoftd/302:33:293
106891370,1ptp4l401ktimersoftd/302:22:183
106891370,1ptp4l401ktimersoftd/302:15:323
106891370,1ptp4l401ktimersoftd/302:00:143
106891370,1ptp4l401ktimersoftd/302:00:143
106891370,1ptp4l401ktimersoftd/301:54:333
106891370,1ptp4l401ktimersoftd/301:41:443
106891370,1ptp4l401ktimersoftd/301:29:423
106891370,1ptp4l401ktimersoftd/301:07:163
106891370,1ptp4l401ktimersoftd/300:50:123
106891370,1ptp4l401ktimersoftd/300:46:023
106891370,1ptp4l401ktimersoftd/300:26:473
106891370,1ptp4l401ktimersoftd/300:15:373
106891370,0ptp4l401ktimersoftd/323:39:533
529993630,3cyclictest33-21ksoftirqd/223:39:302
529993624,6cyclictest33-21ksoftirqd/223:54:422
52599360,12cyclictest0-21swapper/102:14:491
514993630,3cyclictest9-21ksoftirqd/000:59:320
36242360,4sleep252999cyclictest03:04:352
106891360,1ptp4l401ktimersoftd/322:19:443
106891360,1ptp4l401ktimersoftd/303:03:253
106891360,1ptp4l401ktimersoftd/301:22:353
106891360,0ptp4l401ktimersoftd/300:13:303
514993529,3cyclictest9-21ksoftirqd/003:19:480
514993529,3cyclictest9-21ksoftirqd/002:44:510
514993525,5cyclictest9-21ksoftirqd/022:39:400
514993523,10cyclictest9-21ksoftirqd/023:34:550
106891350,2ptp4l13114-21kworker/3:202:07:223
529993428,3cyclictest33-21ksoftirqd/202:19:342
514993422,3cyclictest9-21ksoftirqd/001:35:030
514993417,3cyclictest9-21ksoftirqd/003:00:050
106891340,2ptp4l13114-21kworker/3:223:44:363
106891340,2ptp4l13114-21kworker/3:222:48:423
529993327,3cyclictest33-21ksoftirqd/201:39:332
529993322,5cyclictest33-21ksoftirqd/200:59:462
529993320,3cyclictest33-21ksoftirqd/223:39:492
529993317,8cyclictest321ktimersoftd/222:59:422
52599330,13cyclictest0-21swapper/103:24:341
514993328,3cyclictest9-21ksoftirqd/022:19:280
514993327,3cyclictest9-21ksoftirqd/003:34:560
514993327,3cyclictest9-21ksoftirqd/003:09:360
514993327,3cyclictest9-21ksoftirqd/002:24:340
514993327,3cyclictest9-21ksoftirqd/002:04:330
514993327,3cyclictest9-21ksoftirqd/002:04:330
514993327,3cyclictest9-21ksoftirqd/000:30:010
514993320,10cyclictest9-21ksoftirqd/002:14:500
514993319,7cyclictest9-21ksoftirqd/002:34:500
106891330,1ptp4l401ktimersoftd/322:24:533
106891330,1ptp4l401ktimersoftd/322:24:533
529993226,3cyclictest33-21ksoftirqd/202:24:342
529993226,3cyclictest33-21ksoftirqd/202:09:332
529993225,4cyclictest33-21ksoftirqd/200:24:442
529993219,7cyclictest321ktimersoftd/222:54:432
51499327,22cyclictest3882-21cpuspeed_turbos00:19:440
514993227,3cyclictest9-21ksoftirqd/002:54:350
514993227,3cyclictest9-21ksoftirqd/001:39:540
514993227,3cyclictest9-21ksoftirqd/001:24:320
514993226,3cyclictest9-21ksoftirqd/022:39:290
514993226,3cyclictest9-21ksoftirqd/022:19:410
514993225,3cyclictest9-21ksoftirqd/023:39:460
51499321,5cyclictest121rcu_preempt01:59:080
51499321,5cyclictest121rcu_preempt01:59:080
106891320,1ptp4l401ktimersoftd/323:17:163
106891320,1ptp4l401ktimersoftd/303:19:173
106891320,1ptp4l401ktimersoftd/303:11:573
106891320,1ptp4l401ktimersoftd/300:38:133
529993126,3cyclictest33-21ksoftirqd/202:59:352
529993125,3cyclictest33-21ksoftirqd/223:19:512
529993125,3cyclictest33-21ksoftirqd/203:14:342
529993125,3cyclictest33-21ksoftirqd/201:24:332
529993125,3cyclictest33-21ksoftirqd/200:09:492
529993118,11cyclictest33-21ksoftirqd/202:45:012
514993126,3cyclictest9-21ksoftirqd/002:09:340
514993126,3cyclictest9-21ksoftirqd/000:24:440
514993125,3cyclictest9-21ksoftirqd/000:54:320
514993123,6cyclictest9-21ksoftirqd/001:29:460
514993120,9cyclictest9-21ksoftirqd/022:24:440
514993120,9cyclictest9-21ksoftirqd/022:24:440
106891310,1ptp4l401ktimersoftd/323:01:033
106891310,0ptp4l401ktimersoftd/323:38:213
106891310,0ptp4l401ktimersoftd/302:13:213
529993025,3cyclictest33-21ksoftirqd/202:54:352
529993025,3cyclictest33-21ksoftirqd/202:40:042
529993024,3cyclictest33-21ksoftirqd/222:34:502
529993024,3cyclictest33-21ksoftirqd/222:19:412
529993024,3cyclictest33-21ksoftirqd/202:34:352
529993024,3cyclictest33-21ksoftirqd/202:04:332
529993024,3cyclictest33-21ksoftirqd/202:04:332
529993024,3cyclictest33-21ksoftirqd/201:14:512
52999301,3cyclictest121rcu_preempt03:39:352
52599300,19cyclictest0-21swapper/122:44:471
52599300,18cyclictest0-21swapper/100:58:481
52599300,13cyclictest0-21swapper/101:44:481
52599300,12cyclictest0-21swapper/103:06:271
514993025,3cyclictest9-21ksoftirqd/023:54:300
514993025,3cyclictest9-21ksoftirqd/003:34:360
514993025,3cyclictest9-21ksoftirqd/003:24:550
514993025,3cyclictest9-21ksoftirqd/002:24:540
514993025,3cyclictest9-21ksoftirqd/001:49:450
514993024,3cyclictest9-21ksoftirqd/023:24:440
514993024,3cyclictest9-21ksoftirqd/023:14:500
514993024,3cyclictest9-21ksoftirqd/022:49:300
514993024,3cyclictest9-21ksoftirqd/003:19:350
514993024,3cyclictest9-21ksoftirqd/002:54:490
514993024,3cyclictest9-21ksoftirqd/000:59:500
514993024,3cyclictest9-21ksoftirqd/000:39:320
51499302,3cyclictest121rcu_preempt02:30:420
322682305,11sleep00-21swapper/022:05:000
106891300,1ptp4l401ktimersoftd/323:32:173
106891300,0ptp4l401ktimersoftd/323:23:053
106891300,0ptp4l401ktimersoftd/323:10:363
529992924,3cyclictest33-21ksoftirqd/203:20:042
529992924,3cyclictest33-21ksoftirqd/201:54:522
529992924,3cyclictest33-21ksoftirqd/201:54:522
529992924,3cyclictest33-21ksoftirqd/201:29:322
529992924,3cyclictest33-21ksoftirqd/200:24:312
529992923,4cyclictest33-21ksoftirqd/223:09:492
529992923,3cyclictest33-21ksoftirqd/203:29:542
529992922,3cyclictest33-21ksoftirqd/200:34:422
529992920,5cyclictest33-21ksoftirqd/223:04:422
529992918,9cyclictest33-21ksoftirqd/222:24:412
529992918,9cyclictest33-21ksoftirqd/222:24:412
52599294,12cyclictest7237-21ssh02:34:461
52599290,19cyclictest8313-21awk22:24:281
52599290,18cyclictest22696-21kworker/u8:101:21:421
52599290,17cyclictest2790-21/usr/sbin/munin00:50:041
514992924,3cyclictest9-21ksoftirqd/023:49:300
514992924,3cyclictest9-21ksoftirqd/023:04:490
514992924,3cyclictest9-21ksoftirqd/003:14:350
514992924,3cyclictest9-21ksoftirqd/000:09:520
514992923,3cyclictest9-21ksoftirqd/023:14:300
514992923,3cyclictest9-21ksoftirqd/022:59:480
514992923,3cyclictest9-21ksoftirqd/022:09:500
51499291,3cyclictest121rcu_preempt02:40:190
51499290,6cyclictest121rcu_preempt01:04:510
106891290,0ptp4l401ktimersoftd/322:53:153
538992822,3cyclictest41-21ksoftirqd/323:55:303
529992823,3cyclictest33-21ksoftirqd/222:49:492
529992823,3cyclictest33-21ksoftirqd/222:39:472
529992823,3cyclictest33-21ksoftirqd/222:14:282
529992823,3cyclictest33-21ksoftirqd/201:39:462
529992823,3cyclictest33-21ksoftirqd/200:14:512
529992822,3cyclictest33-21ksoftirqd/203:24:522
529992822,3cyclictest33-21ksoftirqd/202:09:482
52599280,9cyclictest0-21swapper/103:00:491
52599280,18cyclictest0-21swapper/122:57:171
52599280,17cyclictest0-21swapper/100:24:561
52599280,11cyclictest0-21swapper/123:49:511
514992823,3cyclictest9-21ksoftirqd/023:54:480
514992823,3cyclictest9-21ksoftirqd/022:54:490
514992822,3cyclictest9-21ksoftirqd/023:34:310
514992822,3cyclictest9-21ksoftirqd/000:19:310
538992721,3cyclictest41-21ksoftirqd/323:54:303
538992721,3cyclictest41-21ksoftirqd/323:25:553
529992722,3cyclictest33-21ksoftirqd/203:04:482
529992722,3cyclictest33-21ksoftirqd/202:39:342
529992722,3cyclictest33-21ksoftirqd/202:29:342
529992722,3cyclictest33-21ksoftirqd/201:54:332
529992721,3cyclictest33-21ksoftirqd/200:50:032
52999270,14cyclictest14108-21head00:29:482
52599270,14cyclictest16238-21ssh01:04:491
52599270,11cyclictest0-21swapper/123:24:541
514992721,3cyclictest9-21ksoftirqd/023:59:450
514992721,3cyclictest9-21ksoftirqd/023:19:510
514992721,3cyclictest9-21ksoftirqd/022:29:470
514992720,3cyclictest3826-21kworker/0:100:39:320
106891270,1ptp4l401ktimersoftd/322:40:363
106891270,0ptp4l401ktimersoftd/322:33:553
538992620,3cyclictest41-21ksoftirqd/322:34:433
529992621,3cyclictest33-21ksoftirqd/201:29:552
529992621,3cyclictest33-21ksoftirqd/200:44:492
529992620,3cyclictest33-21ksoftirqd/223:49:452
529992620,3cyclictest33-21ksoftirqd/223:19:302
529992620,3cyclictest33-21ksoftirqd/203:19:352
52599260,12cyclictest25886-21diskmemload02:20:371
52599260,12cyclictest0-21swapper/100:18:061
106891260,0ptp4l401ktimersoftd/322:12:353
529992520,3cyclictest33-21ksoftirqd/223:29:492
529992520,3cyclictest33-21ksoftirqd/222:29:422
529992520,3cyclictest33-21ksoftirqd/201:04:492
529992520,3cyclictest33-21ksoftirqd/200:04:552
529992519,3cyclictest33-21ksoftirqd/223:44:492
529992519,3cyclictest33-21ksoftirqd/200:39:472
525992518,4cyclictest25-21ksoftirqd/122:33:331
525992515,7cyclictest639-21cron00:04:301
52599250,8cyclictest9079-21/usr/sbin/munin22:24:451
52599250,8cyclictest9079-21/usr/sbin/munin22:24:451
52599250,12cyclictest26327-21if_ens301:14:501
52599250,12cyclictest25886-21diskmemload02:10:091
52599250,11cyclictest0-21swapper/100:32:321
52599250,10cyclictest0-21swapper/103:39:351
52599250,10cyclictest0-21swapper/101:24:551
106891250,1ptp4l401ktimersoftd/300:08:043
106891250,1ptp4l401ktimersoftd/300:04:293
529992418,3cyclictest33-21ksoftirqd/201:44:472
525992417,4cyclictest25-21ksoftirqd/123:19:101
525992414,7cyclictest20988-21expr01:09:471
52599240,9cyclictest32462-21ssh02:26:391
106891240,1ptp4l401ktimersoftd/323:04:523
106891240,0ptp4l401ktimersoftd/322:58:073
529992316,4cyclictest33-21ksoftirqd/222:46:192
525992316,4cyclictest17775-21sh22:44:291
525992315,5cyclictest26296-21cron02:54:351
52599231,3cyclictest0-21swapper/122:59:461
529992216,3cyclictest33-21ksoftirqd/223:59:482
52599226,13cyclictest0-21swapper/103:25:081
525992215,4cyclictest13704-21grep22:34:481
525992212,7cyclictest7851-21cat23:29:481
52599220,4cyclictest6850-21latency_hist02:34:351
52599220,20cyclictest0-21swapper/122:52:151
525992111,7cyclictest2772-21fschecks_count23:19:471
525992111,7cyclictest13201-21sort02:39:551
525992014,3cyclictest25-21ksoftirqd/123:54:311
525991811,4cyclictest722-21/usr/sbin/munin22:09:551
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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