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2026-11-10 - 23:27
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack5slot7.osadl.org (updated Tue Nov 10, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31937224060,11sleep030259-1kworker/u3:106:56:190
321069916116,25cyclictest12607-21users10:54:260
321069915817,49cyclictest5242-21df_inode12:08:270
321069915814,22cyclictest13999-21ntp_states10:59:080
32106991499,26cyclictest29922-21ssh11:45:260
321069910815,51cyclictest15861-21timerwakeupswit09:29:190
321069910417,47cyclictest26957-21apt-get10:02:530
321069910215,46cyclictest6871-21ssh12:13:140
321069910113,66cyclictest4981-21ssh10:33:110
321069910111,68cyclictest15061-21ssh11:02:420
321069910017,61cyclictest31348-21users10:14:240
321069910017,61cyclictest22780-21users09:49:220
321069910016,64cyclictest1836-21fw_conntrack11:58:370
321069910016,63cyclictest8759-21memory10:43:520
321069910016,23cyclictest29041-21df_inode10:08:270
321069910016,22cyclictest32552-21irqstats10:18:440
321069910011,26cyclictest1091-21ssh11:56:230
321069910010,53cyclictest20726-21latency11:18:490
32106999915,63cyclictest24038-21ssh11:28:390
32106999914,64cyclictest3637-21memory10:28:540
32106999913,49cyclictest8750-21ssh09:09:060
32106999912,25cyclictest5618-21users08:59:280
32106999911,66cyclictest32313-21munin-node07:02:440
32106999816,61cyclictest30933-21irqstats11:48:440
32106999816,22cyclictest21060-21users09:44:240
32106999814,24cyclictest27313-21df11:38:140
32106999812,65cyclictest13252-21/usr/sbin/munin09:22:450
32106999812,63cyclictest1358-21/usr/sbin/munin10:24:270
32106999733,46cyclictest0-21swapper07:52:340
32106999732,46cyclictest18279-21ssh09:37:340
32106999726,55cyclictest0-21swapper10:48:590
32106999714,23cyclictest7459-21ssh09:05:020
32106999713,25cyclictest22586-21ssh11:24:100
32106999712,25cyclictest12063-21ssh09:18:520
32106999632,46cyclictest0-21swapper10:39:050
32106999617,44cyclictest19556-21ssh11:14:520
32106999616,24cyclictest24497-21/usr/sbin/munin09:54:240
32106999611,63cyclictest10017-21apt-get12:22:550
32106999516,59cyclictest26295-21users11:34:260
32106999516,58cyclictest25258-21apt-get09:57:570
32106999513,61cyclictest11257-21ssh09:16:470
32106999510,23cyclictest2955-21wget08:47:580
32106999423,53cyclictest0-21swapper07:02:480
32106999413,60cyclictest16853-21/usr/sbin/munin11:08:040
32106999411,48cyclictest18907-21grep09:38:490
32106999410,46cyclictest4548-21ssh08:57:370
32106999324,52cyclictest0-21swapper07:54:340
32106999316,41cyclictest3520-21df_inode12:03:270
32106999312,41cyclictest8841-21memory12:18:540
32106998916,55cyclictest0-21swapper08:17:390
32106998825,21cyclictest0-21swapper08:22:370
32106998819,25cyclictest833-21munin-run07:27:370
3210699879,41cyclictest609-21cat07:17:360
32106998715,23cyclictest2732-21munin-run08:47:350
32106998714,24cyclictest1308-21munin-run07:47:350
32106998618,21cyclictest2263-21munin-run08:27:350
32106998526,42cyclictest0-21swapper08:30:410
32106998516,22cyclictest497-21munin-run07:12:360
32106998514,24cyclictest5807-21snmpd07:33:370
32106998514,22cyclictest2500-21munin-run08:37:350
32106998415,55cyclictest0-21swapper08:11:390
32106998413,23cyclictest725-21wc07:22:370
32106998412,24cyclictest1850-21cat08:07:390
32106998313,24cyclictest1730-21sort08:02:390
32106998313,23cyclictest5807-21snmpd08:39:160
32106998312,25cyclictest983-21sed07:32:370
32106998310,26cyclictest5807-21snmpd07:38:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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