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2025-12-11 - 14:21
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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 highest latencies:
System rack7slot3.osadl.org (updated Thu Dec 11, 2025 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31575224418sleep31578-21sendmail_mailqu19:05:510
3214099241146cyclictest24002-21df20:55:240
3214099240214cyclictest10987-21ssh22:20:040
3214099239214cyclictest2732-21lxpanel22:47:420
3214099239174cyclictest19611-21ssh22:57:340
3214099237212cyclictest22962-21ssh23:12:200
3214099237206cyclictest28883-21perl21:16:220
3214099237177cyclictest31565-21ssh23:51:070
3214099236210cyclictest1422-21ntp_states21:37:380
3214099235210cyclictest14955-21ssh22:36:540
3214099235209cyclictest13160-21ssh22:29:310
3214099233208cyclictest2932-21runrttasks21:47:030
3214099233207cyclictest6680-21df_inode22:00:440
3214099233206cyclictest2932-21runrttasks23:07:260
3214099233204cyclictest27283-21diskmemload23:58:460
3214099233167cyclictest6758-21df19:40:220
3214099232206cyclictest18856-21/usr/sbin/munin22:55:250
3214099232205cyclictest30764-21cron21:24:590
3214099232204cyclictest27411-21ssh23:32:130
3214099232202cyclictest21684-21chrt20:45:180
3214099232200cyclictest12310-21df_inode22:25:460
3214099232170cyclictest7188-21awk22:02:170
3214099232170cyclictest2223-21fschecks_time19:20:460
3214099232164cyclictest5507-21df21:55:390
3214099231204cyclictest1808-21ifplugd00:28:360
3214099231203cyclictest24981-21latency_hist21:00:230
3214099231168cyclictest5858-21ssh00:20:540
3214099231165cyclictest13742-21irqstats22:31:390
3214099230204cyclictest2732-21lxpanel19:35:060
3214099230203cyclictest2080-21df19:20:290
3214099230199cyclictest8792-21munin-node22:10:110
3214099230199cyclictest27408-21df21:10:370
3214099230137cyclictest31218-21idleruntime21:26:300
3214099229199cyclictest8540-21ssh00:32:130
3214099229185cyclictest2964-21gmain00:37:480
3214099229169cyclictest2932-21runrttasks20:26:130
3214099229164cyclictest28489-21apt21:15:110
3214099229164cyclictest14300-21grep20:12:030
3214099228203cyclictest2732-21lxpanel23:44:550
3214099228202cyclictest763-21ssh21:35:330
3214099228202cyclictest23780-21sort23:16:240
3214099228202cyclictest18291-21df20:30:300
3214099228201cyclictest3010-21ntp_states00:07:230
3214099228166cyclictest4516-21munin-run00:15:100
3214099228166cyclictest16223-21ntp_states22:42:210
3214099228163cyclictest15257-21sh20:16:340
3214099228163cyclictest11938-21cut20:01:580
3214099227201cyclictest22142-21ntpq20:46:230
3214099227200cyclictest2059-21ssh00:04:240
3214099227195cyclictest7191-21sshd19:41:190
3214099227163cyclictest2385-21irqstats21:41:560
3214099226200cyclictest2732-21lxpanel23:05:160
3214099226200cyclictest13190-21awk20:07:070
3214099226199cyclictest20390-21ls20:40:000
3214099226194cyclictest28289-21munin-node0
3214099226162cyclictest32144-21munin-node0
3214099225202cyclictest394-1kworker/0:1H20:23:200
3214099225198cyclictest5931-21tune2fs00:21:060
3214099225163cyclictest25613-21ssh23:25:120
3214099224201cyclictest394-1kworker/0:1H23:28:290
3214099224157cyclictest7821-21munin-node0
3214099223198cyclictest10649-21ntp_states19:56:220
3214099223197cyclictest27283-21diskmemload22:14:290
3214099222196cyclictest30623-21irqstats23:46:490
3214099221198cyclictest25561-21sshd21:01:230
3214099221158cyclictest9508-21ntp_states19:51:260
3214099219194cyclictest3765-21munin-node0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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