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2025-12-01 - 11:43
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack3slot2.osadl.org (updated Mon Dec 01, 2025 00:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12095623040,2sleep0120958-21rm00:39:470
1660722570,2sleep016608-21latency_hist19:10:060
10713222490,4chrt107131-21awk23:56:510
11113022470,2sleep0111131-21if_wlan000:10:300
8757722450,3chrt87571-21sendmail-msp23:00:020
11328622420,3chrt113284-21ntpq00:16:430
2074122410,3chrt20743-21latency_hist19:25:060
5522122360,3chrt55222-21latency_hist21:25:100
7927322340,3chrt79268-21df_inode22:35:230
8433622220,3chrt84338-21grep22:50:160
5097322180,3chrt50972-21mailstats21:12:020
8852022100,3sleep088521-21/usr/sbin/munin23:02:000
2940922070,2sleep029411-21latency19:55:270
10426422050,2sleep0104265-21rm23:48:150
8107522030,2sleep081076-21ssh22:40:320
7615222010,3sleep076153-21collect222:25:510
3100822000,2sleep031009-21ntpq20:00:480
6245621950,3sleep062458-21awk21:45:420
1651099195165,18cyclictest110203-21kworker/u2:300:30:310
1651099194165,18cyclictest107824-21kworker/u2:200:00:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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