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2026-09-13 - 10:51
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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 Sep 13, 2026 00:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
197462860,0sleep00-21swapper/023:32:030
313699196,9cyclictest19389-21sh00:27:180
313699196,10cyclictest22318-21sh23:52:030
313699196,10cyclictest22318-21sh23:52:020
313699180,14cyclictest8786-21sh23:44:580
313699180,14cyclictest31319-21sh00:15:260
313699180,14cyclictest27752-21sh22:41:100
313699180,14cyclictest20982-21sh00:10:070
313699180,14cyclictest12678-21sh22:15:000
313699180,10cyclictest938-21sh22:25:520
315099174,9cyclictest10358-21cut22:50:193
314199175,9cyclictest711-21snmpd22:30:241
313699170,9cyclictest5243-21sh21:51:520
313699170,9cyclictest28956-21sh23:19:200
313699170,9cyclictest28687-21sh00:32:450
313699170,9cyclictest18231-21sh21:40:330
313699170,9cyclictest15561-21sh23:48:290
313699170,9cyclictest10918-21sh00:22:280
313699170,9cyclictest10841-21sh22:31:410
313699170,14cyclictest29345-21sh23:00:240
315299164,9cyclictest9085-21cat23:45:004
315099169,5cyclictest28563-21sed23:00:153
3145991612,3cyclictest683-21dbus-daemon23:35:192
314199160,2cyclictest0-21swapper/121:45:001
313699163,9cyclictest2526-21sh21:14:170
313699160,8cyclictest7409-21runrttasks21:16:260
313699160,8cyclictest28842-21sh21:28:570
313699160,8cyclictest28249-21processes23:55:200
313699160,13cyclictest6299-21sh23:05:330
313699160,12cyclictest774-21runrttasks19:33:370
313699160,10cyclictest103-1kworker/0:1H+kblockd21:59:220
313699160,10cyclictest103-1kworker/0:1H+kblockd21:59:220
315299152,9cyclictest30963-21cat20:05:244
315299151,10cyclictest24672-21taskset22:58:074
3150991511,3cyclictest15558-21latency_hist21:40:003
315099151,10cyclictest32104-21/usr/sbin/munin21:30:223
314599157,6cyclictest25314-21ssh00:30:292
314599155,8cyclictest12221-21/usr/sbin/munin20:35:212
314599154,8cyclictest751-21postgres20:12:282
3145991511,3cyclictest21239-21needreboot19:45:202
314599151,10cyclictest31026-21sh23:20:122
314599151,10cyclictest18539-21ssh23:31:102
314599150,11cyclictest774-21runrttasks19:21:542
3141991511,3cyclictest7740-21sendmail19:20:001
3141991511,3cyclictest3609-21latency_hist23:04:591
313699156,7cyclictest17798-21sh00:08:130
3136991511,3cyclictest13282-21gdbus19:35:060
313699151,10cyclictest6236-21sh00:01:070
313699151,10cyclictest22584-21perl22:20:140
313699150,7cyclictest9325-21munin-plugin-st22:49:590
315299143,8cyclictest751-21postgres20:22:284
315299142,9cyclictest23045-21fschecks_time19:50:164
315299141,9cyclictest4845-21ssh00:00:224
315299141,9cyclictest26245-21sh00:12:494
315299141,9cyclictest22064-21runrttasks19:47:484
315299141,9cyclictest19163-21sh22:36:194
315299141,10cyclictest774-21runrttasks21:51:594
315299141,10cyclictest5819-21sh00:38:204
315299141,10cyclictest32478-21runrttasks22:07:264
315299141,10cyclictest19759-21sh23:32:034
315299140,10cyclictest9956-21sh21:35:594
315299140,10cyclictest8611-21/usr/sbin/munin20:30:214
315299140,10cyclictest8425-21sh21:17:104
315299140,10cyclictest7874-21sh23:06:434
315299140,10cyclictest774-21runrttasks20:27:204
315299140,10cyclictest711-21snmpd19:25:164
315299140,10cyclictest6619-21ssh23:25:024
315299140,10cyclictest508-21munin-plugin-st22:45:004
315299140,10cyclictest3873-21sh22:28:014
315299140,10cyclictest3333-21cat19:10:004
315299140,10cyclictest31471-21ssh23:57:214
315299140,10cyclictest3073-21runrttasks22:45:274
315299140,10cyclictest27703-21/usr/sbin/munin21:10:134
315299140,10cyclictest27161-21/usr/sbin/munin20:00:244
315299140,10cyclictest26189-21runrttasks23:17:174
315299140,10cyclictest25034-21basename21:45:134
315299140,10cyclictest2486-21sh23:22:154
315299140,10cyclictest24349-21/usr/sbin/munin23:35:124
315299140,10cyclictest23362-21diskmemload00:30:014
315299140,10cyclictest23133-21sh23:52:384
315299140,10cyclictest23133-21sh23:52:384
315299140,10cyclictest22325-21sh21:43:314
315299140,10cyclictest21619-21apt-key21:25:004
315299140,10cyclictest19631-21runrttasks20:51:274
315299140,10cyclictest19034-21ssh22:00:124
315299140,10cyclictest19034-21ssh22:00:114
315299140,10cyclictest1864-21sh21:31:314
315299140,10cyclictest17545-21sh00:25:574
315299140,10cyclictest15286-21sh23:10:414
315299140,10cyclictest13654-21switchtime00:05:244
315299140,10cyclictest11944-21sh22:14:284
315099145,8cyclictest16135-21/usr/sbin/munin00:25:183
315099144,8cyclictest4982-21/usr/sbin/munin21:15:193
315099141,9cyclictest774-21runrttasks20:15:063
315099141,9cyclictest29500-21cut20:05:133
315099141,9cyclictest26792-21sh23:17:433
315099141,9cyclictest26355-21cron23:55:003
315099141,9cyclictest26355-21cron23:55:003
315099141,9cyclictest15605-21/usr/sbin/munin19:35:143
315099141,9cyclictest14087-21missed_timers23:10:203
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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