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2025-11-15 - 16:08
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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 792 highest latencies:
System rack5slot7.osadl.org (updated Sat Nov 15, 2025 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9126225120,14sleep08659-1kworker/u3:205:36:450
102179910617,67cyclictest27069-21apt-get07:11:350
102179910517,47cyclictest28304-21apt-get09:11:390
102179910313,26cyclictest11771-21/usr/sbin/munin10:01:490
102179910219,24cyclictest9894-21ntp_states08:12:470
102179910213,25cyclictest22168-21ssh08:51:560
102179910137,45cyclictest0-21swapper07:01:370
102179910116,25cyclictest18429-21fw_conntrack10:22:160
102179910112,65cyclictest465-21wc09:26:220
102179910023,60cyclictest0-21swapper10:54:160
102179910017,43cyclictest19268-21irqstats06:27:020
102179910016,63cyclictest17069-21memory10:17:360
102179910016,61cyclictest23347-21munin-run06:51:200
102179910015,48cyclictest6869-21/usr/sbin/munin08:02:460
102179910012,67cyclictest1107-21ssh11:07:550
10217999916,61cyclictest21314-21/usr/sbin/munin10:31:500
10217999915,65cyclictest9052-21memory09:52:330
10217999914,67cyclictest23806-21df_inode08:57:070
10217999910,68cyclictest20976-21open_inodes08:47:470
1021799989,25cyclictest5226-21ssh09:41:140
10217999817,61cyclictest14927-21users08:28:030
10217999817,42cyclictest26546-21munin-run09:06:160
10217999816,63cyclictest12681-21df08:22:010
10217999816,59cyclictest26454-21df_inode10:47:120
10217999816,22cyclictest1124-21ntp_states09:27:460
10217999816,21cyclictest3123-21apt-get07:51:440
10217999815,62cyclictest5925-21ntp_states09:42:370
10217999815,62cyclictest27924-21ssh09:10:030
10217999811,67cyclictest19072-21ssh08:42:030
10217999811,25cyclictest15572-21ssh08:31:240
10217999810,66cyclictest31722-21latency11:02:350
1021799979,47cyclictest20975-21ssh10:30:490
10217999727,53cyclictest0-21swapper07:49:090
10217999716,23cyclictest18502-21ssh08:40:210
10217999715,43cyclictest31352-21/usr/sbin/munin09:21:190
10217999715,25cyclictest24939-21memory10:42:390
10217999712,22cyclictest29846-21ssh10:57:050
10217999711,48cyclictest1417-21ssh07:45:580
10217999711,24cyclictest23732-21ssh10:38:210
10217999710,23cyclictest10681-21cut05:42:030
10217999616,61cyclictest7293-21df_inode09:47:140
10217999616,21cyclictest13681-21fw_conntrack10:07:120
10217999615,43cyclictest10629-21irqstats09:57:270
10217999614,43cyclictest8890-21ssh08:09:440
10217999612,25cyclictest21990-21sshd06:42:040
10217999611,62cyclictest13213-21zcat05:52:230
10217999610,26cyclictest28429-21tr07:17:180
10217999610,24cyclictest15218-21ssh10:12:000
10217999533,28cyclictest0-21swapper07:58:150
10217999517,41cyclictest16122-21munin-run06:11:170
10217999513,23cyclictest11112-21df08:16:580
10217999426,59cyclictest0-21swapper06:17:250
10217999414,61cyclictest2458-21df09:32:030
10217999312,62cyclictest13819-21fw_conntrack05:56:550
10217999218,24cyclictest26155-21apt-get07:06:360
10217999217,58cyclictest14759-21irqstats06:02:040
10217999210,28cyclictest17077-21latency_hist06:16:190
10217999032,42cyclictest11649-21sshd05:46:410
10217999021,26cyclictest18025-21/usr/sbin/munin06:22:300
10217999017,25cyclictest23805-21irqstats06:52:540
10217999012,57cyclictest29066-21df07:21:450
10217998916,24cyclictest21015-21df_inode06:36:520
10217998915,56cyclictest30239-21ntp_states07:27:200
10217998913,23cyclictest31579-21apt-get07:36:340
10217998815,23cyclictest31083-21memory07:32:090
10217998713,27cyclictest21785-21snmpd06:31:480
10217998611,27cyclictest24535-21cstates06:56:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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