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2025-11-16 - 08:02
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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
Characteristics of the 100 highest latencies:
System rack5slot1.osadl.org (updated Sun Nov 16, 2025 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1868039920,0EcMasterDemoSyn1869029tAtEmLog_023:22:145
1795839830,0EcMasterDemoSyn1796829tAtEmLog_021:10:235
613239820,0EcMasterDemoSyn614229tAtEmLog_022:51:495
1214739820,0EcMasterDemoSyn1215729tAtEmLog_000:28:105
2847639810,0EcMasterDemoSyn2848629tAtEmLog_020:29:515
2557539810,0EcMasterDemoSyn2558529tAtEmLog_000:12:575
2269039810,0EcMasterDemoSyn2270029tAtEmLog_019:08:435
1152539810,0EcMasterDemoSyn1153529tAtEmLog_021:00:165
33582320,0sleep50-21swapper/522:06:365
22893992825,2cyclictest30131-21kworker/1:0+events19:49:161
57912220,3sleep50-21swapper/500:22:365
2368229200,10tAtEmLog_023695-21chrt22:41:405
22902992018,2cyclictest30036-21kworker/3:1+events21:30:413
2290299181,13cyclictest16-1pr/legacy19:54:203
22899991810,6cyclictest14436-21tr00:30:172
2288999180,15cyclictest9507-21sh23:38:290
2288999180,14cyclictest26858-21sh22:22:130
2235729180,10tAtEmLog_027029-21taskset21:39:595
3217699170,10tDemoTimingTask32577-21chrt19:30:015
2979629170,9tAtEmLog_02123-21taskset21:45:015
2773129170,7tAtEmLog_031388-21chrt22:04:225
2612899170,10tDemoTimingTask26132-21chrt20:24:475
2288999174,10cyclictest10303-21sh22:11:090
2270199170,7tDemoTimingTask24029-21chrt19:10:205
2012499170,10tDemoTimingTask20141-21chrt21:56:035
1428999170,8tDemoTimingTask16473-21chrt20:02:065
835239160,3EcMasterDemoSyn651irq_work/523:37:285
343399160,9tDemoTimingTask3529-21taskset23:12:105
311692160,5sleep2829-21runintdemo5min22:46:452
2587199160,9tDemoTimingTask29874-21taskset22:24:565
2290599165,8cyclictest7370-21apache219:32:074
2290299160,9cyclictest27051-21runrttasks22:44:473
2289999164,9cyclictest738-21snmpd22:12:472
2289399168,7cyclictest15122-21sh22:35:331
2289399161,9cyclictest15283-21runrttasks21:09:551
2289399160,13cyclictest15527-21sh22:58:491
2288999169,6cyclictest30472-21wget21:20:130
2288999168,6cyclictest18945-21grep21:55:210
2288999164,10cyclictest3572-21/usr/sbin/munin21:45:220
2288999160,8cyclictest805-21runrttasks19:35:170
2290599154,8cyclictest27317-21awk23:50:214
2290599152,10cyclictest28242-21ssh22:01:314
2290599150,9cyclictest27443-21diskmemload21:17:404
2290599150,12cyclictest28620-21/usr/sbin/munin19:20:174
2290599150,11cyclictest28460-21sh23:29:454
2290599150,11cyclictest16-1pr/legacy22:51:484
2290299154,8cyclictest21379-21processes21:35:203
2290299152,9cyclictest20315-21ssh23:23:433
2290299151,10cyclictest19983-21ssh23:01:063
2290299151,10cyclictest10323-21runrttasks00:00:523
2290299150,9cyclictest27618-21diskmemload23:06:283
2290299150,8cyclictest29509-21cpuspeed_turbos23:30:123
2290299150,10cyclictest19615-21grep00:35:143
2289999157,6cyclictest26383-21grep23:05:232
2289999154,8cyclictest8610-21cstates00:25:162
2289999152,9cyclictest29266-21sshd23:51:472
2289999151,10cyclictest9416-21ssh23:38:242
2289999151,10cyclictest26151-21ssh21:16:262
2289999150,10cyclictest24137-21/usr/sbin/munin20:20:152
2289399154,6cyclictest10874-21smartctl21:50:181
2289399153,8cyclictest11040-21cpu21:00:141
22893991510,4cyclictest31628-21turbostat23:10:001
2289399150,9cyclictest334-21systemd-journal00:11:471
2289399150,9cyclictest30323-21sendmail_mailqu20:30:261
2289399150,9cyclictest23640-21diskmemload22:20:181
2289399150,9cyclictest21809-21diskmemload23:02:471
2289399150,9cyclictest1459-21runrttasks21:21:501
2288999157,6cyclictest26409-21ssh23:05:230
2288999152,10cyclictest24287-21sh23:48:460
2288999150,9cyclictest28222-21runrttasks20:26:330
2288999150,13cyclictest4978-21ssh22:50:460
2288999150,12cyclictest3195-21diskmemload22:28:170
2288999150,11cyclictest805-21runrttasks19:40:320
2288999150,10cyclictest805-21runrttasks21:42:470
2288999150,10cyclictest21143-21rm21:13:330
2979799145,7tDemoTimingTask32362-21chrt21:43:195
2290599146,6cyclictest26522-21wget20:25:144
2290599144,8cyclictest31196-21/usr/sbin/munin19:25:234
2290599142,9cyclictest32584-21ssh22:05:124
2290599141,9cyclictest22885-21latency_hist21:15:004
2290599141,9cyclictest11378-21ssh00:27:144
2290599141,10cyclictest15732-21ssh22:36:074
22905991410,3cyclictest5823-21turbostat20:50:004
22905991410,3cyclictest21619-21ntp_kernel_pll_22:40:204
2290599140,8cyclictest20865-21smartctl21:35:154
2290599140,12cyclictest9583-21ssh21:27:304
2290599140,10cyclictest9754-21ssh00:00:254
2290599140,10cyclictest9052-21sh21:49:484
2290599140,10cyclictest8897-21switchtime19:45:274
2290599140,10cyclictest4573-21ssh21:24:474
2290599140,10cyclictest20791-21chrt23:24:114
2290599140,10cyclictest1958-21/usr/sbin/munin00:20:254
2290599140,10cyclictest18239-21runintdemo5min22:16:234
2290599140,10cyclictest14264-21ssh23:41:124
2290599140,10cyclictest13294-21sed19:55:224
2290599140,10cyclictest11792-21timerwakeupswit22:55:284
2290599140,10cyclictest1130-21munin-run20:40:004
2290299146,6cyclictest13373-21grep23:40:263
2290299144,6cyclictest9202-21gltestperf20:55:203
2290299142,8cyclictest12425-21latency_hist21:30:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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