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2026-04-27 - 08:52
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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 100 highest latencies:
System rackbslot6.osadl.org (updated Mon Apr 27, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
693421700,5sleep31257199cyclictest01:10:103
50121460,3sleep01254999cyclictest23:25:210
1068911200,8ptp4l10049-21kworker/3:020:21:333
46212680,4sleep01254999cyclictest00:35:060
106891660,1ptp4l401ktimersoftd/322:57:593
310992650,5sleep01254999cyclictest01:00:320
122302654,10sleep00-21swapper/020:22:170
106891650,1ptp4l401ktimersoftd/323:34:433
73312620,2sleep00-21swapper/000:36:430
62052620,2sleep20-21swapper/222:57:482
106891610,1ptp4l401ktimersoftd/323:02:103
37802600,1sleep10-21swapper/100:00:271
106891600,1ptp4l401ktimersoftd/322:31:343
306592550,1sleep30-21swapper/300:28:033
185312540,3sleep118527-21ssh01:20:361
22162520,1sleep22217-21sh00:31:272
314382500,2sleep20-21swapper/223:23:462
123982504,33sleep20-21swapper/220:24:292
106891500,2ptp4l6631-21kworker/3:123:12:373
148802490,2sleep20-21swapper/201:17:202
106891480,2ptp4l10049-21kworker/3:020:49:193
106891470,1ptp4l401ktimersoftd/300:48:143
1225124526,8sleep10-21swapper/120:22:341
106891440,1ptp4l401ktimersoftd/300:44:333
106891430,1ptp4l401ktimersoftd/323:30:023
106891420,1ptp4l401ktimersoftd/323:40:183
106891400,2ptp4l20596-21kworker/3:100:22:273
106891400,1ptp4l401ktimersoftd/301:19:263
106891390,1ptp4l401ktimersoftd/301:06:183
106891390,1ptp4l401ktimersoftd/300:55:063
106891390,1ptp4l401ktimersoftd/300:55:063
106891390,0ptp4l401ktimersoftd/301:43:553
106891390,0ptp4l401ktimersoftd/301:39:183
106891390,0ptp4l401ktimersoftd/300:02:133
106891380,1ptp4l401ktimersoftd/323:57:083
106891380,1ptp4l401ktimersoftd/323:22:133
106891380,1ptp4l401ktimersoftd/322:44:593
106891380,1ptp4l401ktimersoftd/300:37:023
106891380,1ptp4l401ktimersoftd/300:33:523
106891370,1ptp4l401ktimersoftd/323:49:013
106891370,1ptp4l401ktimersoftd/323:08:003
106891370,1ptp4l401ktimersoftd/322:50:103
106891370,1ptp4l401ktimersoftd/322:47:363
106891370,1ptp4l401ktimersoftd/322:25:483
106891370,1ptp4l401ktimersoftd/321:40:183
106891370,1ptp4l401ktimersoftd/301:52:443
106891370,1ptp4l401ktimersoftd/301:33:113
106891370,1ptp4l401ktimersoftd/301:28:513
106891370,1ptp4l401ktimersoftd/301:00:423
106891370,1ptp4l401ktimersoftd/300:58:363
106891370,1ptp4l401ktimersoftd/300:58:363
106891370,1ptp4l401ktimersoftd/300:07:573
106891370,0ptp4l401ktimersoftd/301:45:393
120932360,4sleep09-21ksoftirqd/023:35:520
106891360,1ptp4l401ktimersoftd/322:36:233
106891360,1ptp4l401ktimersoftd/322:14:033
106891360,1ptp4l401ktimersoftd/321:58:413
106891360,1ptp4l401ktimersoftd/321:05:213
106891360,1ptp4l401ktimersoftd/300:19:093
106891360,1ptp4l401ktimersoftd/300:14:053
106891360,0ptp4l401ktimersoftd/301:22:593
179912350,3sleep21256599cyclictest01:53:342
106891350,2ptp4l10049-21kworker/3:020:40:473
106891350,0ptp4l401ktimersoftd/323:16:473
106891340,1ptp4l401ktimersoftd/323:50:523
106891340,12ptp4l401ktimersoftd/321:20:263
12565993317,6cyclictest33-21ksoftirqd/200:06:382
106891330,1ptp4l401ktimersoftd/321:30:263
106891320,1ptp4l401ktimersoftd/321:25:223
106891320,1ptp4l401ktimersoftd/321:25:223
192662310,3sleep112541-21cyclictest01:55:091
12565993115,7cyclictest33-21ksoftirqd/222:22:472
12554993124,3cyclictest25-21ksoftirqd/123:15:051
106891310,1ptp4l401ktimersoftd/322:24:073
106891310,1ptp4l401ktimersoftd/322:05:323
106891310,1ptp4l401ktimersoftd/321:17:383
106891310,1ptp4l401ktimersoftd/321:00:243
12554993021,6cyclictest25-21ksoftirqd/123:35:291
12554993018,9cyclictest16948-21grep23:40:361
12549993026,3cyclictest9-21ksoftirqd/001:55:090
12549993019,8cyclictest9-21ksoftirqd/001:21:200
12571992922,4cyclictest41-21ksoftirqd/320:36:423
12565992921,5cyclictest33-21ksoftirqd/223:05:352
12554992920,6cyclictest25-21ksoftirqd/101:40:281
28722280,4sleep01254999cyclictest01:37:580
12565992822,3cyclictest33-21ksoftirqd/201:50:082
12565992819,6cyclictest500-21/usr/sbin/munin23:25:212
12554992820,6cyclictest25-21ksoftirqd/100:10:321
12565992712,6cyclictest33-21ksoftirqd/223:02:262
12554992722,3cyclictest25-21ksoftirqd/123:55:291
12554992722,3cyclictest25-21ksoftirqd/123:25:181
12554992722,3cyclictest25-21ksoftirqd/123:00:171
12554992722,3cyclictest25-21ksoftirqd/122:10:241
12554992722,3cyclictest25-21ksoftirqd/101:30:331
12554992722,3cyclictest25-21ksoftirqd/101:20:071
12554992715,7cyclictest47050irq/101-ens3-Tx22:40:161
106891270,1ptp4l401ktimersoftd/322:15:583
106891270,1ptp4l401ktimersoftd/321:39:393
106891270,0ptp4l401ktimersoftd/321:11:353
12565992621,3cyclictest33-21ksoftirqd/200:55:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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