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2026-09-07 - 14:04
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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 Sep 07, 2026 00:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71042200,0sleep00-21swapper/000:33:390
788099197,6cyclictest24127-21tr23:30:130
789699180,10cyclictest16219-21ssh22:13:224
7884991810,6cyclictest9129-21sed20:20:171
788099185,9cyclictest30341-21sh22:03:040
788099180,14cyclictest31296-21sh00:29:040
788099180,14cyclictest25515-21sh21:24:290
788099180,10cyclictest8030-21sh21:32:210
788099180,10cyclictest28106-21sh22:55:510
788099180,10cyclictest14725-21sh00:19:530
788099180,10cyclictest12928-21sh00:00:160
788799175,9cyclictest751-21postgres22:03:563
788599174,9cyclictest16803-21processes00:20:212
7885991713,3cyclictest8015-21needreboot21:50:212
7880991713,3cyclictest12461-21run-parts19:20:010
788099170,9cyclictest30540-21sh22:39:550
788099170,14cyclictest774-21runrttasks22:29:070
788099170,10cyclictest13541-21sh23:24:510
789699164,8cyclictest19168-21processes20:40:194
788799164,8cyclictest711-21snmpd19:14:073
7885991612,3cyclictest1-21systemd21:15:212
788499168,6cyclictest14962-21grep20:30:251
788499164,8cyclictest17388-21apt19:30:131
788099160,13cyclictest774-21runrttasks20:45:550
303052160,0sleep40-21swapper/421:05:174
789699157,6cyclictest22664-21tail19:40:174
789699154,8cyclictest8152-21df22:45:134
788799158,5cyclictest22052-21sed00:05:183
788799157,6cyclictest10779-21cat20:25:003
788799153,9cyclictest681-21systemd-logind23:34:233
788799153,8cyclictest3938-21entropy23:55:163
788799153,8cyclictest27853-21if_err_enp6s023:50:173
7887991512,2cyclictest4886-21idleruntime-cro23:20:003
788599151,12cyclictest22030-21ssh21:21:592
788599151,12cyclictest21703-21munin-plugin-st19:40:002
788599151,10cyclictest11109-21/usr/sbin/munin20:25:112
788499151,10cyclictest3224-21ssh21:30:051
788499151,10cyclictest25607-21ssh21:42:081
788499151,10cyclictest20071-21memory22:15:171
788099156,7cyclictest3693-21taskset22:42:290
788099151,7cyclictest16561-21sh22:31:160
788099151,10cyclictest10314-21sh22:45:500
788099150,8cyclictest4208-21sh22:06:090
788099150,8cyclictest27786-21diskmemload22:20:010
162252150,1sleep1301rcuc/120:35:151
87592140,3sleep4591ktimers/419:10:164
789699146,6cyclictest3710-21latency_hist20:10:004
789699145,8cyclictest31629-21/usr/sbin/munin21:45:214
789699143,8cyclictest9830-21cat20:20:274
789699142,8cyclictest29646-21hddtemp_smartct23:15:184
789699142,8cyclictest18650-21swap19:30:244
789699141,9cyclictest5338-21ssh23:37:354
789699141,10cyclictest4372-21sh23:00:374
789699140,12cyclictest32682-21ssh00:10:524
789699140,11cyclictest8719-21apt-get21:15:134
789699140,11cyclictest6558-21fschecks_count20:15:144
789699140,10cyclictest8461-21rm23:21:104
789699140,10cyclictest814-21chrt23:53:284
789699140,10cyclictest774-21runrttasks23:32:044
789699140,10cyclictest711-21snmpd21:40:334
789699140,10cyclictest711-21snmpd00:23:274
789699140,10cyclictest7110-21sh22:25:524
789699140,10cyclictest7043-21ssh00:33:344
789699140,10cyclictest4296-21cat22:25:004
789699140,10cyclictest3577-21cpu21:30:164
789699140,10cyclictest3326-21sh21:11:344
789699140,10cyclictest31311-21rm22:03:464
789699140,10cyclictest30598-21sh22:57:384
789699140,10cyclictest2945-21ssh22:41:574
789699140,10cyclictest26671-21chrt22:37:094
789699140,10cyclictest26591-21sh00:07:504
789699140,10cyclictest25777-21wc20:55:174
789699140,10cyclictest23317-21runrttasks23:47:454
789699140,10cyclictest22577-21ssh21:58:564
789699140,10cyclictest2249-21sh21:29:374
789699140,10cyclictest21456-21sh23:28:554
789699140,10cyclictest20110-21ssh22:33:484
789699140,10cyclictest18060-21ssh21:38:074
789699140,10cyclictest15429-21sh00:01:094
789699140,10cyclictest14279-21memory20:30:184
789699140,10cyclictest13806-21ssh23:05:594
789699140,10cyclictest12878-21ssh00:36:234
789699140,10cyclictest10555-21sh21:51:434
788799141,9cyclictest9685-21users22:45:243
788799141,9cyclictest774-21runrttasks00:24:063
788799141,9cyclictest29521-21latency_hist21:05:013
788799141,9cyclictest24327-21runrttasks20:50:513
788799141,9cyclictest23929-21sh21:40:573
788799141,9cyclictest23719-21taskset19:41:023
788799141,9cyclictest23520-21rm22:53:563
788799141,9cyclictest16133-21ntpq19:25:193
788799141,9cyclictest14363-21ssh00:19:373
788799141,9cyclictest1101-21processes21:10:213
788799141,10cyclictest774-21runrttasks22:05:423
788799141,10cyclictest7296-21ssh22:25:593
788799141,10cyclictest32210-21sh00:10:313
788799141,10cyclictest15345-21runrttasks20:34:183
788799141,10cyclictest13783-21cpuspeed_turbos22:30:143
788799140,10cyclictest9919-21sh22:10:023
788799140,10cyclictest980-21ssh22:40:323
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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