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2025-11-21 - 18:08
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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 Fri Nov 21, 2025 12:44:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3748391400,1EcMasterDemoSyn3755-21grep11:22:593
3010239900,0EcMasterDemoSyn3011229tAtEmLog_010:01:505
363439830,0EcMasterDemoSyn364429tAtEmLog_009:41:335
3049339820,0EcMasterDemoSyn3050329tAtEmLog_012:28:545
2416339820,0EcMasterDemoSyn2417329tAtEmLog_007:55:045
1695039820,0EcMasterDemoSyn1696029tAtEmLog_009:51:425
1022139820,0EcMasterDemoSyn1023129tAtEmLog_011:53:245
2720439810,0EcMasterDemoSyn2721429tAtEmLog_009:06:045
995039670,0EcMasterDemoSyn996029tAtEmLog_008:35:375
240412550,1sleep424042-21ssh10:22:194
1615993128,2cyclictest1446-21kworker/2:2+events09:06:022
477239180,0EcMasterDemoSyn0-21swapper/510:32:165
3052539180,0EcMasterDemoSyn0-21swapper/509:11:085
2307439180,0EcMasterDemoSyn0-21swapper/512:23:505
161799180,10cyclictest14394-21sh11:06:064
1616991814,3cyclictest19673-21turbostat10:49:553
160799180,9cyclictest30827-21sh11:45:030
160799180,14cyclictest5756-21sh10:33:160
160799180,14cyclictest15623-21timerwakeupswit09:50:240
3050499170,7tDemoTimingTask32197-21chrt12:30:155
2654039170,7EcMasterDemoSyn28554-21taskset08:04:405
2380529170,7tAtEmLog_024239-21chrt10:22:325
2360329171,6tAtEmLog_023856-21taskset10:47:425
161799174,9cyclictest1729-21tune2fs10:30:174
161799170,9cyclictest17049-21ssh10:42:154
161699179,6cyclictest25748-21sort11:40:163
161599170,10cyclictest14527-21sh09:25:122
161199170,9cyclictest24896-21runrttasks09:01:501
161199170,9cyclictest13769-21ssh10:40:131
160799170,9cyclictest8804-21sh11:01:080
160799170,9cyclictest20401-21sh12:21:250
160799170,14cyclictest16687-21sh09:25:480
2007299160,9tDemoTimingTask20400-21taskset08:54:575
161799169,5cyclictest13904-21grep08:40:164
161799165,8cyclictest353-21systemd-udevd10:03:404
1616991612,3cyclictest11564-21idleruntime-cro11:04:593
161699161,11cyclictest16-1pr/legacy12:13:393
161599168,6cyclictest1494-21sed09:40:182
161199160,9cyclictest26798-21runrttasks09:35:131
161199160,9cyclictest13392-21latency_hist10:40:011
161199160,12cyclictest16-1pr/legacy12:08:361
160799160,9cyclictest14095-21fschecks_count07:35:150
160799160,7cyclictest7797-21unixbench_multi11:25:250
160799160,7cyclictest4174-21ssh10:06:410
160799160,7cyclictest4174-21ssh10:06:400
160799160,12cyclictest805-21runrttasks08:20:410
160799160,11cyclictest29454-21rm10:26:070
1601129160,10tAtEmLog_016021-21taskset11:07:475
993339150,6EcMasterDemoSyn15966-21taskset11:32:465
760399150,8tDemoTimingTask7634-21taskset08:25:345
2547799150,8tDemoTimingTask25481-21taskset12:03:335
2547799150,8tDemoTimingTask25481-21taskset12:03:325
161799154,9cyclictest7425-21/usr/sbin/munin11:25:204
161799154,6cyclictest20565-21perl12:00:164
161799154,6cyclictest20565-21perl12:00:154
161799152,9cyclictest24408-21cpuspeed07:55:134
1617991511,3cyclictest704-21dbus-daemon10:59:594
161799150,9cyclictest32073-21chrt09:13:164
161799150,9cyclictest11853-21diskmemload12:36:464
161799150,9cyclictest11611-21sh10:38:154
161799150,11cyclictest22405-21runrttasks09:30:444
161799150,11cyclictest18853-21sh09:28:314
161699155,8cyclictest21245-21/usr/sbin/munin10:20:163
161699153,8cyclictest10533-21latency_hist08:35:003
1616991512,2cyclictest724-21polkitd09:35:003
161699151,10cyclictest21300-21latency09:55:183
161699151,10cyclictest21300-21latency09:55:173
161699151,10cyclictest15657-21/usr/sbin/munin08:45:123
161699150,9cyclictest805-21runrttasks09:52:273
161699150,9cyclictest2980-21ssh10:56:203
161699150,10cyclictest21512-21ssh11:36:423
161599158,6cyclictest22029-21find10:20:252
161599155,9cyclictest10192-21/usr/sbin/munin07:25:172
161599155,8cyclictest11879-21/usr/sbin/munin07:30:142
161599154,6cyclictest14363-21cat07:35:182
161599151,11cyclictest16-1pr/legacy11:17:542
161599150,9cyclictest10668-21sh10:11:452
161599150,11cyclictest26364-21latency_hist08:00:002
161599150,11cyclictest23283-21ssh09:56:382
161599150,11cyclictest23283-21ssh09:56:372
161199158,5cyclictest28597-21grep09:10:141
161199154,8cyclictest353-21systemd-udevd10:59:401
161199154,8cyclictest17348-21gdbus12:25:061
1611991512,2cyclictest20418-21turbostat08:59:551
161199151,10cyclictest738-21snmpd08:01:421
161199150,9cyclictest22996-21chrt10:21:171
160799157,6cyclictest31163-21cat08:10:010
160799157,6cyclictest11955-21sed07:30:140
160799156,7cyclictest31388-21cron11:20:000
160799156,7cyclictest24501-21sh12:02:420
160799156,7cyclictest24501-21sh12:02:410
160799154,8cyclictest781-21postgres10:52:490
160799154,8cyclictest778-21postgres08:17:120
160799154,5cyclictest21956-21timerandwakeup09:55:230
160799154,5cyclictest21956-21timerandwakeup09:55:230
160799153,8cyclictest26995-21vmstat11:40:260
160799150,9cyclictest14095-21sh10:15:040
160799150,9cyclictest10541-21ssh12:35:450
160799150,14cyclictest14046-21apt-key09:25:000
160799150,13cyclictest1688-21sshd10:55:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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