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2026-06-01 - 13:52
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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
Characteristics of the 100 highest latencies:
System rack5slot1.osadl.org (updated Mon Jun 01, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2326139830,0EcMasterDemoSyn2327129tAtEmLog_021:04:115
1496839830,0EcMasterDemoSyn1497829tAtEmLog_000:01:405
1480739830,0EcMasterDemoSyn1481729tAtEmLog_019:37:585
1141239830,0EcMasterDemoSyn1142229tAtEmLog_023:05:545
175439820,0EcMasterDemoSyn176429tAtEmLog_022:25:195
1616739820,0EcMasterDemoSyn1617729tAtEmLog_020:48:575
742939810,0EcMasterDemoSyn743929tAtEmLog_019:22:465
687539810,0EcMasterDemoSyn688529tAtEmLog_022:45:375
374739810,0EcMasterDemoSyn375729tAtEmLog_020:23:375
2562139810,0EcMasterDemoSyn2563129tAtEmLog_021:09:145
2547639810,0EcMasterDemoSyn2548629tAtEmLog_022:55:455
63572580,0sleep16359-21grep19:20:191
242092480,1sleep124208-21ssh22:37:571
2905239390,1EcMasterDemoSyn29061-21runintdemo5min20:08:253
2905239390,1EcMasterDemoSyn29061-21runintdemo5min20:08:253
562039360,1EcMasterDemoSyn5628-21grep22:10:063
33992330,0sleep23398-21ssh23:20:072
558992926,2cyclictest19208-21kworker/3:1+events19:18:383
140039290,1EcMasterDemoSyn1408-21grep23:36:193
562992522,2cyclictest19331-21kworker/4:1+events19:17:334
562992421,2cyclictest19331-21kworker/4:1+events21:24:384
30380292423,0tAtEmLog_00-21swapper/519:05:255
562992321,2cyclictest19331-21kworker/4:1+events22:40:004
562992321,2cyclictest19331-21kworker/4:1+events20:08:224
562992321,2cyclictest19331-21kworker/4:1+events20:08:214
562992220,2cyclictest19331-21kworker/4:1+events19:32:544
558992219,2cyclictest19208-21kworker/3:1+events21:12:053
558992118,2cyclictest19208-21kworker/3:1+events21:05:283
562992018,2cyclictest19331-21kworker/4:1+events22:21:314
558992018,2cyclictest19208-21kworker/3:1+events23:47:423
547992017,2cyclictest17487-21kworker/1:2+events21:30:511
547991916,2cyclictest17487-21kworker/1:2+events23:47:441
54299196,10cyclictest14768-21ssh21:56:450
327102190,0sleep00-21swapper/000:30:230
562991815,2cyclictest19331-21kworker/4:1+events22:50:054
562991815,2cyclictest19331-21kworker/4:1+events00:27:014
558991815,2cyclictest19208-21kworker/3:1+events23:22:173
553991815,2cyclictest19243-21kworker/2:0+events00:38:052
54299180,9cyclictest780-21runrttasks20:48:570
54299180,14cyclictest780-21runrttasks19:47:310
2444199180,8tDemoTimingTask27617-21chrt22:21:405
562991714,2cyclictest19331-21kworker/4:1+events23:41:304
562991714,2cyclictest19331-21kworker/4:1+events22:32:264
558991714,2cyclictest19208-21kworker/3:1+events19:30:163
558991712,2cyclictest19208-21kworker/3:1+events23:26:253
547991715,2cyclictest17487-21kworker/1:2+events23:01:141
547991714,2cyclictest17487-21kworker/1:2+events21:03:591
547991710,5cyclictest17018-21sort20:50:151
54299171,7cyclictest8909-21latency_hist20:35:000
54299170,9cyclictest744-21postgres21:16:150
54299170,9cyclictest32186-21sh21:13:070
2665399170,10tDemoTimingTask27099-21taskset20:05:015
2665399170,10tDemoTimingTask27099-21taskset20:05:005
227529170,7tAtEmLog_06112-21taskset23:03:315
2089499170,8tDemoTimingTask20957-21taskset20:59:345
19559991716,0tDemoTimingTask0-21swapper/519:51:065
153499170,10tDemoTimingTask1550-21chrt21:14:205
562991614,2cyclictest19331-21kworker/4:1+events20:19:074
55899160,9cyclictest30523-21ssh22:41:013
55399164,8cyclictest716-21snmpd21:54:512
553991614,2cyclictest19243-21kworker/2:0+events20:55:462
553991614,2cyclictest19243-21kworker/2:0+events20:18:322
553991613,2cyclictest19243-21kworker/2:0+events21:09:512
553991613,2cyclictest19243-21kworker/2:0+events20:33:142
54799164,9cyclictest716-21snmpd22:56:101
54799164,8cyclictest716-21snmpd00:02:041
547991614,2cyclictest17487-21kworker/1:2+events19:49:231
54799160,10cyclictest19290-21ssh22:17:121
54799160,10cyclictest13056-21sh00:37:381
54299168,6cyclictest15768-21wc22:50:250
542991612,3cyclictest695-21rs:main0
542991612,3cyclictest25023-21needreboot22:20:180
54299160,9cyclictest11555-21sh00:19:190
54299160,13cyclictest12864-21/usr/sbin/munin00:00:280
54299160,12cyclictest28804-21ssh23:34:080
298829160,14tAtEmLog_03411-21taskset00:32:225
1245929160,9tAtEmLog_012637-21taskset19:34:555
12384391615,0EcMasterDemoSyn0-21swapper/500:38:275
1075799160,9tDemoTimingTask10874-21taskset21:19:265
56299154,6cyclictest27023-21sort23:15:124
56299150,9cyclictest780-21runrttasks19:58:074
558991512,2cyclictest19208-21kworker/3:1+events23:42:003
55899151,10cyclictest467-21/usr/sbin/munin22:25:143
55899151,10cyclictest30329-21runrttasks22:23:343
55899151,10cyclictest28841-21ssh21:29:193
55899151,10cyclictest26749-21sh22:39:463
55899151,10cyclictest2314-21sh22:07:593
558991510,3cyclictest30522-21head20:10:203
558991510,3cyclictest30522-21head20:10:203
55899150,9cyclictest19539-21sh22:52:553
55899150,8cyclictest716-21snmpd22:55:033
553991513,2cyclictest19243-21kworker/2:0+events22:16:012
553991512,2cyclictest19243-21kworker/2:0+events22:57:192
553991512,2cyclictest19243-21kworker/2:0+events22:25:322
553991511,3cyclictest22003-21gltestperf21:25:142
553991511,3cyclictest10725-21needreboot22:30:182
55399151,10cyclictest15389-21wget19:40:122
55399151,10cyclictest15287-21ssh23:44:442
55399150,13cyclictest17035-21ssh00:21:502
55399150,11cyclictest30588-21ssh23:35:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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