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2026-04-17 - 15:07
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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 highest latencies:
System rack7slot8.osadl.org (updated Fri Apr 17, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19129219437,125sleep00-21swapper/019:07:140
195269917134,108cyclictest10250irq/56-4a10000000:02:260
195269916737,107cyclictest31973-21http20:00:040
195269916733,109cyclictest3770-21sshd00:26:410
19526991648,24cyclictest19221-21diskstats23:20:240
195269916233,107cyclictest27561-21sshd21:45:210
195269916040,101cyclictest3650irq/20-4900000020:52:120
195269916015,19cyclictest15771-21ntp_states23:06:490
195269915918,121cyclictest3034-21dpkg20:10:210
195269915841,104cyclictest801-21dbus-daemon22:55:000
195269915720,14cyclictest31164-21chrt00:08:270
195269915718,16cyclictest1004-21latency_hist22:10:020
19526991569,18cyclictest1452-21munin-run00:20:030
195269915619,115cyclictest30961-21systemctl22:00:010
195269915522,27cyclictest20638-21apt-get21:18:140
19526991546,22cyclictest23128-21ntp_states23:35:420
195269915445,96cyclictest13495-21cron23:00:010
195269915427,105cyclictest6870-21diskstats20:25:230
19526991538,17cyclictest1538-21ntp_states22:10:440
19526991538,16cyclictest25699-21ntp_states23:46:190
195269915342,100cyclictest31836-21netstat00:10:340
195269915337,98cyclictest3650irq/20-4900000021:00:060
195269915334,100cyclictest24036-21tr23:40:210
195269915331,100cyclictest30443-21seq19:52:540
195269915330,111cyclictest27433-21sshd23:53:440
195269915329,12cyclictest10150irq/55-4a10000023:10:340
19526991527,20cyclictest24656-21wget19:30:120
195269915223,15cyclictest827-21seq20:02:260
19526991517,34cyclictest18326-21wget21:10:140
19526991516,16cyclictest10279-21ntp_states22:45:420
195269915144,99cyclictest29508-21cat19:50:030
195269915134,100cyclictest0-21swapper/019:37:040
195269915133,105cyclictest20651-21ntpq23:25:420
195269915130,108cyclictest1472-21sshd20:05:210
195269915126,21cyclictest20848-21/usr/sbin/munin19:15:220
195269915114,15cyclictest16998-21/usr/sbin/munin21:05:420
19526991508,17cyclictest1988-21ntp_states00:20:470
195269915035,102cyclictest10287-21sendmail-msp20:40:020
195269915030,109cyclictest754-21systemd-journal22:41:210
195269915028,108cyclictest14045-21ntpq23:00:470
195269915011,30cyclictest31381-21irqstats22:00:280
195269914950,88cyclictest16364-21/usr/sbin/munin21:00:480
195269914942,97cyclictest25976-21cron21:40:000
195269914939,97cyclictest801-21dbus-daemon23:20:010
195269914827,17cyclictest26115-21/usr/sbin/munin21:40:540
195269914827,109cyclictest754-21systemd-journal22:38:280
195269914826,109cyclictest787-21haveged21:31:530
195269914816,15cyclictest4178-21wget20:15:120
195269914811,123cyclictest4040-21ntpq22:20:360
19526991478,21cyclictest27212-21wget19:40:150
195269914735,98cyclictest754-21systemd-journal23:58:420
195269914730,105cyclictest7153-21runrttasks00:39:150
195269914626,17cyclictest28658-21chrt21:50:160
19526991459,17cyclictest6460-21memory22:30:350
19526991458,19cyclictest1608-21ntpd00:30:360
19526991457,23cyclictest21716-21df23:30:370
195269914519,14cyclictest10250irq/56-4a10000021:26:240
195269914518,25cyclictest22869-21chrt19:21:520
19526991448,19cyclictest3160-21apt-get22:17:110
195269914433,98cyclictest754-21systemd-journal20:43:010
19526991438,37cyclictest4907-21/usr/sbin/munin22:25:460
195269914315,13cyclictest10150irq/55-4a10000020:45:260
19526991428,19cyclictest9025-21munin-plugin-st20:35:010
195269914228,14cyclictest10250irq/56-4a10000019:12:480
195269914134,95cyclictest23752-21runrttasks19:25:360
195269914040,87cyclictest21540-21runrttasks21:20:420
195269913946,86cyclictest5534-21aten_r7power_vo20:20:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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