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2026-05-05 - 05:54
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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 Tue May 05, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1118821780,4sleep21450299cyclictest01:17:252
1068911050,4ptp4l401ktimersoftd/320:24:483
70472830,2sleep20-21swapper/201:45:042
106891700,10ptp4l401ktimersoftd/301:43:303
106891680,1ptp4l401ktimersoftd/322:38:353
273092630,5sleep341-21ksoftirqd/323:54:483
149282620,2sleep20-21swapper/223:42:102
106891580,1ptp4l401ktimersoftd/323:35:533
106891570,1ptp4l401ktimersoftd/301:19:143
104322570,2sleep00-21swapper/000:44:150
99312540,2sleep00-21swapper/022:30:010
243032540,3sleep27652-21diskmemload00:24:502
216632530,2sleep10-21swapper/120:39:501
14493995144,4cyclictest25-21ksoftirqd/122:24:431
14493995144,4cyclictest25-21ksoftirqd/100:24:461
106891510,1ptp4l401ktimersoftd/301:33:103
106891510,1ptp4l401ktimersoftd/301:33:103
108052460,1sleep00-21swapper/001:49:510
106891460,2ptp4l28731-21kworker/3:023:19:413
106891450,1ptp4l401ktimersoftd/323:03:433
106891450,1ptp4l401ktimersoftd/301:22:493
106891450,1ptp4l401ktimersoftd/300:30:363
106891400,1ptp4l401ktimersoftd/300:09:283
14506993925,7cyclictest41-21ksoftirqd/300:19:443
106891390,1ptp4l401ktimersoftd/323:45:393
106891390,1ptp4l401ktimersoftd/323:45:393
106891390,1ptp4l401ktimersoftd/323:26:063
106891390,1ptp4l401ktimersoftd/322:44:553
106891390,1ptp4l401ktimersoftd/301:51:313
106891390,1ptp4l401ktimersoftd/301:44:543
106891390,1ptp4l401ktimersoftd/301:25:523
106891390,1ptp4l401ktimersoftd/301:25:523
106891390,1ptp4l401ktimersoftd/300:26:063
1450299382,3cyclictest0-21swapper/222:29:402
14502993814,20cyclictest26579-21timedrift20:49:542
14502993813,22cyclictest22369-21idleruntime-cro22:44:292
106891380,1ptp4l401ktimersoftd/323:39:433
106891380,1ptp4l401ktimersoftd/322:51:493
106891380,1ptp4l401ktimersoftd/322:40:113
106891380,1ptp4l401ktimersoftd/320:49:463
106891380,1ptp4l401ktimersoftd/301:57:123
106891380,1ptp4l401ktimersoftd/300:39:433
128152378,14sleep00-21swapper/020:24:460
106891370,1ptp4l401ktimersoftd/323:16:563
106891370,1ptp4l401ktimersoftd/323:09:333
106891370,1ptp4l401ktimersoftd/322:54:373
106891370,1ptp4l401ktimersoftd/322:23:233
106891370,1ptp4l401ktimersoftd/301:11:163
106891370,1ptp4l401ktimersoftd/301:05:093
106891370,1ptp4l401ktimersoftd/301:00:113
106891370,1ptp4l401ktimersoftd/300:56:233
106891370,1ptp4l401ktimersoftd/300:47:433
106891370,1ptp4l401ktimersoftd/300:17:283
14502993610,4cyclictest19734-21latency_hist01:59:342
106891360,1ptp4l401ktimersoftd/323:51:543
106891360,1ptp4l401ktimersoftd/323:51:543
106891360,1ptp4l401ktimersoftd/321:08:443
106891360,1ptp4l401ktimersoftd/300:13:463
106891360,0ptp4l401ktimersoftd/322:33:483
1450299359,4cyclictest9105-21date21:24:282
1450299353,9cyclictest1209-21apt-get00:34:452
1450299352,6cyclictest0-21swapper/223:44:432
1450299352,6cyclictest0-21swapper/223:44:432
1450299352,5cyclictest0-21swapper/200:59:432
14502993520,12cyclictest33-21ksoftirqd/220:32:282
14502993514,18cyclictest13399-21idleruntime01:19:502
14502993513,19cyclictest23780-21sh23:50:362
14502993513,19cyclictest23780-21sh23:50:362
14502993512,5cyclictest29944-21grep23:24:462
14502993512,3cyclictest6852-21grep22:59:592
14502993512,19cyclictest19092-21entropy21:44:432
1450299351,14cyclictest29774-21sh01:35:082
106891350,2ptp4l28731-21kworker/3:023:07:033
106891350,1ptp4l401ktimersoftd/322:24:463
106891350,1ptp4l401ktimersoftd/320:44:383
106891350,1ptp4l401ktimersoftd/300:51:173
1450299349,4cyclictest31173-21mailstats20:59:492
1450299349,3cyclictest0-21swapper/220:29:262
1450299342,6cyclictest0-21swapper/201:49:462
1450299342,10cyclictest1055-21runrttasks22:49:412
14502993413,18cyclictest8206-21sh00:09:182
14502993413,18cyclictest31922-21sh00:32:182
14502993412,19cyclictest9252-21/usr/sbin/munin21:24:512
14502993411,4cyclictest22369-21latency_hist01:29:332
14502993411,4cyclictest22369-21latency_hist01:29:332
14502993410,4cyclictest23224-21seq23:17:472
106891340,1ptp4l401ktimersoftd/301:36:473
1450299338,4cyclictest10951-21/usr/sbin/munin00:44:562
1450299337,3cyclictest24173-21mailstats22:44:532
1450299332,6cyclictest0-21swapper/201:29:442
1450299332,6cyclictest0-21swapper/201:29:442
14502993313,17cyclictest4499-21/usr/sbin/munin21:14:452
14502993313,17cyclictest3361-21sh22:57:202
14502993313,16cyclictest2130-21/usr/sbin/munin21:09:492
14502993311,3cyclictest29516-21sh23:57:022
14502993310,3cyclictest31839-21grep23:59:452
14493993328,3cyclictest25-21ksoftirqd/122:19:291
14493993327,4cyclictest25-21ksoftirqd/120:34:271
14493993326,4cyclictest20045-21cron20:39:261
1450299323,7cyclictest3217-21apt-get22:19:412
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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