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2026-06-28 - 20:42
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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 50 highest latencies:
System rack5slot1.osadl.org (updated Sun Jun 28, 2026 12:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1912339910,0EcMasterDemoSyn1913329tAtEmLog_008:55:135
1676439910,0EcMasterDemoSyn1677429tAtEmLog_008:50:095
2050239840,0EcMasterDemoSyn2051229tAtEmLog_012:23:085
2954739820,0EcMasterDemoSyn2955729tAtEmLog_012:28:125
2626439820,0EcMasterDemoSyn2627429tAtEmLog_011:32:255
1779339820,0EcMasterDemoSyn1780329tAtEmLog_007:44:145
665839810,0EcMasterDemoSyn666829tAtEmLog_008:29:525
1410839810,0EcMasterDemoSyn1411829tAtEmLog_008:45:045
731439800,0EcMasterDemoSyn732429tAtEmLog_011:57:475
955739230,0EcMasterDemoSyn9563-21ps10:11:174
1210992220,2cyclictest28824-21kworker/4:1+events08:04:314
119499180,13cyclictest16-1pr/legacy09:45:541
2791639170,1EcMasterDemoSyn27923-21grep10:21:254
225299170,7tDemoTimingTask7291-21chrt12:15:235
225299170,7tDemoTimingTask2524-21chrt12:13:105
1446329170,10tAtEmLog_014591-21chrt09:20:395
121099174,9cyclictest755-21postgres10:03:394
121099174,9cyclictest755-21postgres10:03:394
119499174,9cyclictest10052-21cat07:25:251
119199170,9cyclictest780-21runrttasks12:03:230
119199170,9cyclictest4613-21sh12:31:550
119199170,9cyclictest22489-21sh09:43:150
119199170,9cyclictest15938-21sh11:26:310
119199170,9cyclictest14703-21sh09:56:110
119199170,9cyclictest14703-21sh09:56:110
119199170,14cyclictest26599-21sh12:26:050
119199170,14cyclictest21791-21sh10:18:290
1138929170,9tAtEmLog_011641-21taskset08:40:015
956899160,9tDemoTimingTask14936-21taskset10:15:015
884299160,9tDemoTimingTask13779-21chrt10:50:015
800929160,9tAtEmLog_011733-21taskset11:24:555
121099169,6cyclictest21486-21grep12:05:204
121099164,8cyclictest10953-21wget07:30:134
1210991612,3cyclictest18926-21head11:10:194
121099161,11cyclictest16-1pr/legacy08:09:344
121099160,9cyclictest4576-21ssh09:33:374
120399166,8cyclictest7758-21sed07:20:243
1203991613,2cyclictest0-21swapper/312:25:263
1203991613,2cyclictest0-21swapper/310:30:153
120399161,10cyclictest30454-21runrttasks11:52:343
120399160,9cyclictest23399-21ssh11:48:563
119899168,6cyclictest10584-21grep11:05:242
119899160,9cyclictest30300-21ssh11:52:272
119499165,8cyclictest716-21snmpd08:36:251
119499163,9cyclictest26181-21cat10:20:231
119199165,7cyclictest9078-21latency_hist08:35:010
119199164,10cyclictest174-1kworker/0:1H+kblockd09:28:570
119199164,10cyclictest13489-21open_inodes09:20:180
119199160,13cyclictest26995-21sh12:08:540
119199160,11cyclictest780-21runrttasks10:50:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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