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2026-01-10 - 07:29
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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 Sat Jan 10, 2026 01:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9843221332,50sleep00-21swapper/019:09:430
994499133108,15cyclictest0-21swapper/019:10:040
99449912150,53cyclictest10250irq/56-4a10000000:21:330
99449912039,23cyclictest12410-21apt-get19:22:100
99449911649,32cyclictest6845-21irqstats23:10:300
99449911646,48cyclictest26588-21grep22:20:430
99449911643,37cyclictest26013-21fw_conntrack20:10:380
99449911643,34cyclictest8028-21fw_forwarded_lo23:15:270
99449911548,31cyclictest10250irq/56-4a10000023:51:260
99449911538,55cyclictest1305-21snmpd23:26:190
99449911365,37cyclictest12174-21vmstat23:30:500
99449911238,54cyclictest8034-21sshd21:05:470
99449911070,31cyclictest3643-21latency_hist20:50:030
99449911051,19cyclictest9997-21sshd23:23:250
99449911033,19cyclictest13920-21apt-get23:42:120
99449910962,35cyclictest32474-21apt-config20:35:200
99449910960,33cyclictest3650irq/20-4900000022:35:210
99449910956,37cyclictest3650irq/20-4900000022:45:170
99449910939,52cyclictest16730-21wget19:35:130
99449910866,31cyclictest1408-21nginx00:04:060
99449910859,38cyclictest1305-21snmpd20:20:270
99449910840,33cyclictest26806-21apt-get00:31:320
99449910838,36cyclictest1305-21snmpd21:34:060
99449910836,54cyclictest30972-21fw_conntrack20:30:250
99449910836,35cyclictest21096-21ntp_states00:05:500
99449910834,20cyclictest20812-21pluginstate19:50:410
99449910833,37cyclictest20282-21ntp_states21:55:420
99449910763,33cyclictest19314-21sendmail00:00:030
99449910735,51cyclictest24149-21wget20:05:110
99449910667,29cyclictest24010-21/usr/sbin/munin22:10:360
99449910663,33cyclictest29361-21runrttasks22:31:510
99449910662,34cyclictest13174-21ntp_states23:35:370
99449910645,27cyclictest3691-21munin-node20:50:110
99449910635,33cyclictest23312-21/usr/sbin/munin20:00:430
99449910574,22cyclictest10698-21runrttasks21:17:060
99449910570,27cyclictest6069-21sendmail21:00:000
99449910569,29cyclictest16085-21latency_hist21:40:040
99449910560,33cyclictest31313-21apt-key22:40:140
99449910538,32cyclictest12412-21munin-run19:20:050
99449910473,22cyclictest18427-21runrttasks21:49:090
99449910462,34cyclictest1859-21runrttasks22:50:300
99449910460,34cyclictest1305-21snmpd20:28:520
99449910438,49cyclictest1305-21snmpd19:28:380
99449910436,48cyclictest21707-21wget19:55:140
99449910428,58cyclictest86712chrt21:10:110
99449910373,22cyclictest25655-21runrttasks22:17:100
99449910360,35cyclictest12457-21wget21:25:120
99449910357,35cyclictest16073-21seq23:45:390
99449910342,46cyclictest1305-21snmpd23:06:130
99449910333,17cyclictest1506-21memory20:40:320
99449910330,36cyclictest18764-21wget21:50:140
99449910255,36cyclictest22775-21seq00:12:450
99449910244,44cyclictest0-21swapper/019:33:410
99449910157,34cyclictest28130-21munin-run20:20:020
99449910156,36cyclictest19342-21df_inode19:45:190
99449910138,33cyclictest26808-21/usr/sbin/munin00:30:040
99449910133,49cyclictest29468-21sshd00:38:220
99449910133,35cyclictest6582-21ntp_states21:00:380
9944999970,21cyclictest18475-21mailstats19:40:430
9944999955,33cyclictest1305-21snmpd22:09:130
9944999953,35cyclictest16365-21df_inode21:40:180
9944999932,49cyclictest11303-21wget21:20:130
9944999932,33cyclictest27434-21wget22:25:140
9944999932,30cyclictest1305-21snmpd00:16:310
9944999766,21cyclictest21511-21seq22:00:370
9944999754,32cyclictest4925-21sshd23:02:460
9944999465,21cyclictest3634-21runrttasks22:57:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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