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2025-10-23 - 00:38
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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 50 highest latencies:
System rack5slot7.osadl.org (updated Wed Oct 22, 2025 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1815224492207,89sleep00-21swapper05:38:340
22869916534,43cyclictest0-21swapper06:07:470
22869916516,64cyclictest21160-21memory09:13:480
22869916415,62cyclictest23847-21apt-get09:22:450
22869916414,63cyclictest29859-21memory07:58:360
22869916320,49cyclictest25994-21memory09:28:480
2286991629,64cyclictest13946-21ls10:33:010
22869916217,57cyclictest24451-21ntp_states11:04:000
22869916215,23cyclictest20501-21munin-run09:12:270
22869916214,45cyclictest31833-21apt-get09:47:460
22869916116,43cyclictest22655-21irqstats09:18:360
22869915915,51cyclictest16880-21ntpdc06:58:230
22869915717,23cyclictest21207-21fw_conntrack07:23:030
22869915714,25cyclictest22738-21ntp_states10:58:570
22869915713,32cyclictest18299-21ssh10:46:180
22869915613,49cyclictest6825-21ssh10:09:220
22869915519,47cyclictest25983-21irqstats11:08:380
22869915411,58cyclictest12611-21/usr/sbin/munin08:49:000
2286991539,56cyclictest11610-21ssh10:25:070
22869915310,28cyclictest27632-21ssh09:33:490
22869915216,25cyclictest27913-21ssh07:53:070
22869915213,58cyclictest32112-21ssh08:06:010
22869915212,41cyclictest15330-21/usr/sbin/munin10:37:580
22869915117,24cyclictest2507-21users08:14:080
22869910216,23cyclictest10316-21users08:39:150
22869910118,63cyclictest32736-21df08:08:100
22869910118,60cyclictest19129-21apt-get07:12:440
2286991009,27cyclictest5761-21ssh08:24:440
22869910028,54cyclictest0-21swapper10:53:020
22869910016,47cyclictest30496-21df09:43:080
22869910012,64cyclictest26759-21/usr/sbin/munin07:48:490
22869910012,25cyclictest13414-21ssh10:31:170
228699999,67cyclictest9936-21grep06:18:330
2286999939,21cyclictest18566-21ssh09:05:420
2286999916,63cyclictest7829-21df_inode10:13:160
2286999817,61cyclictest3280-21munin-node05:47:330
2286999816,43cyclictest8743-21users08:34:130
2286999812,47cyclictest19758-21ssh10:49:590
2286999812,28cyclictest4292-21ssh08:20:110
2286999811,25cyclictest2456-21ssh09:57:050
2286999715,51cyclictest0-21swapper08:55:390
2286999714,63cyclictest18620-21memory07:08:190
2286999713,44cyclictest7705-21munin-run08:32:310
2286999713,23cyclictest3769-21ssh10:00:210
2286999621,51cyclictest14939-21irqstats06:48:200
2286999617,41cyclictest24995-21irqstats07:43:360
2286999541,22cyclictest11683-21processes08:43:560
2286999534,20cyclictest4516-21ssh10:03:080
2286999510,26cyclictest15837-21sshd08:57:460
228699949,66cyclictest12125-21df06:33:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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