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2026-04-18 - 16:16
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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 50 highest latencies:
System rack7slot8.osadl.org (updated Sat Apr 18, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6235222033,58sleep00-21swapper/019:05:320
6903991709,19cyclictest31603-21df20:45:150
69039915934,92cyclictest10250irq/56-4a10000021:00:120
69039915917,125cyclictest402-21sshd20:50:220
6903991589,21cyclictest2010-21node22:51:170
6903991586,18cyclictest27442-21apt-get22:37:070
69039915828,116cyclictest22884-21apt-get00:26:410
69039915717,16cyclictest24933-21wget20:20:140
69039915636,80cyclictest253372chrt00:30:330
6903991559,19cyclictest15459-21/usr/sbin/munin23:55:120
69039915522,114cyclictest12694-21seq23:43:380
69039915518,116cyclictest30323-21latency_hist22:45:030
6903991549,17cyclictest10871-21ntp_states23:35:380
6903991549,15cyclictest7613-21apt-get21:20:470
69039915451,82cyclictest10150irq/55-4a10000023:20:380
69039915410,19cyclictest11731-21apt-get21:36:360
6903991536,124cyclictest8246-21fw_forwarded_lo23:25:260
69039915347,95cyclictest26680-21runrttasks22:30:580
69039915335,108cyclictest27645-21runrttasks20:30:340
69039915335,105cyclictest13594-21/usr/sbin/munin19:35:210
69039915330,111cyclictest1687-21sshd20:55:220
69039915328,84cyclictest15657-21sshd19:42:210
69039915327,109cyclictest17264-21wget21:55:140
69039915234,105cyclictest20851-21ntpq00:15:360
69039915212,104cyclictest1305-21snmpd23:51:450
6903991518,126cyclictest20628-21sshd22:08:200
6903991517,123cyclictest6493-21aten_r7power_cu21:15:110
69039915116,16cyclictest4135-21latency_hist23:10:030
6903991508,22cyclictest28918-21ntp_states20:35:370
6903991508,19cyclictest22308-21/usr/sbin/munin20:10:120
6903991506,122cyclictest30186-21/usr/sbin/munin20:40:200
69039915034,98cyclictest1276-21runrttasks00:03:310
69039915023,104cyclictest13048-21runrttasks23:45:150
6903991498,18cyclictest7595-21/usr/sbin/munin19:10:490
6903991496,15cyclictest9360-21apt-get19:22:080
6903991487,19cyclictest1305-21snmpd19:52:570
6903991487,17cyclictest1305-21snmpd22:20:010
6903991478,15cyclictest13733-21fw_forwarded_lo21:40:270
69039914733,102cyclictest10815-21runrttasks21:30:220
6903991468,27cyclictest1408-21nginx22:28:490
6903991468,16cyclictest1305-21snmpd00:37:000
6903991467,17cyclictest5379-21munin-run23:15:020
6903991466,17cyclictest1305-21snmpd22:45:510
69039914638,96cyclictest19691-21sh20:00:000
69039914631,103cyclictest1-21systemd21:25:120
69039914629,106cyclictest801-21dbus-daemon00:10:320
69039914623,111cyclictest8988-21apt-get19:17:040
69039914618,113cyclictest10250irq/56-4a10000022:23:380
6903991459,119cyclictest21628-21chrt22:11:200
6903991458,20cyclictest1305-21snmpd21:50:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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