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2025-01-14 - 08:08
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 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 20 highest latencies:
System rackeslot4.osadl.org (updated Tue Jan 14, 2025 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1188345992620,4cyclictest1399665-21tail22:15:161
1188351992421,2cyclictest1311568-21irqcore21:10:193
1188347992418,4cyclictest1337946-21cut21:30:122
1188341992419,3cyclictest1330958-21grep21:20:220
1188347992321,1cyclictest1527849-21sh23:55:002
1188347992117,3cyclictest1488220-21ntp_offset23:20:232
1188345992117,3cyclictest1356596-21kthreadcore21:40:181
1188345992117,2cyclictest0-21swapper/100:40:001
1188341992116,3cyclictest1494224-21cron23:30:000
1188347992017,2cyclictest1468703-21fschecks_count23:10:102
1188347992017,2cyclictest1446197-21sshd22:50:152
1188345992017,2cyclictest1573190-21irqcore00:30:121
1188345992017,2cyclictest1212055-21kthreadcore19:30:221
1188345992017,2cyclictest0-21swapper/122:40:001
1188347991916,2cyclictest1476758-21irqcore23:15:172
1188341991916,2cyclictest521-21systemd-logind22:30:000
1188351991815,2cyclictest1215406-21irqcore19:35:153
1188351991813,4cyclictest1572359-21idleruntime-cro00:30:013
1188345991815,2cyclictest1318332-21sh21:15:001
1188345991814,2cyclictest1540152-21ntp_kernel_pll_00:00:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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