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2026-05-22 - 21:35
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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 May 22, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26708211730,12sleep026697-21ntp_states07:05:420
274899916530,117cyclictest31366-21memory11:35:390
274899916426,118cyclictest1408-21nginx07:44:320
274899916423,15cyclictest1408-21nginx11:20:160
274899916325,118cyclictest24124-21wget09:00:130
274899916324,15cyclictest10250irq/56-4a10000008:08:550
274899916148,92cyclictest10150irq/55-4a10000007:10:390
274899916131,21cyclictest28476-21fw_conntrack09:15:420
274899916118,16cyclictest24451-21wget11:10:090
274899916043,97cyclictest10150irq/55-4a10000009:10:380
274899916040,107cyclictest12002-21gpgv08:15:040
274899915844,103cyclictest1974-21seq07:35:220
274899915741,95cyclictest10150irq/55-4a10000010:10:420
27489991569,19cyclictest16815-21swap08:30:470
274899915636,97cyclictest8247-21/usr/sbin/munin10:05:220
274899915633,111cyclictest3933-21seq09:46:080
274899915612,18cyclictest1408-21nginx08:54:520
27489991559,21cyclictest5116-21apt-get12:02:140
27489991558,20cyclictest1480-21munin-node12:31:400
274899915545,100cyclictest2551-21chmod11:50:150
274899915538,105cyclictest21056-21ntpq10:55:330
274899915531,112cyclictest812-21avahi-daemon08:02:150
274899915440,103cyclictest16204-21latency_hist08:30:040
274899915439,103cyclictest31431-21apt-config07:25:100
274899915436,99cyclictest10150irq/55-4a10000010:15:400
274899915424,13cyclictest10250irq/56-4a10000008:44:490
27489991528,16cyclictest4720-21diskstats09:50:230
274899915235,104cyclictest1-21systemd12:10:030
274899915234,105cyclictest801-21dbus-daemon09:00:010
274899915234,104cyclictest1348-21fw_conntrack11:45:330
274899915225,17cyclictest1305-21snmpd10:29:540
274899915222,111cyclictest12288-21open_files12:25:380
27489991518,22cyclictest7646-21sshd10:00:550
27489991517,25cyclictest4479-21diskstats07:45:230
274899915137,102cyclictest10954-21memory12:20:300
274899915133,105cyclictest32498-21seq11:40:210
274899915128,20cyclictest6746-21/usr/sbin/munin07:55:510
274899915128,18cyclictest29023-21diskstats07:15:230
27489991508,18cyclictest1143-21ntp_states09:35:420
274899915043,95cyclictest5216-21aten_r7power_cu12:00:090
274899915036,95cyclictest0-21swapper/009:26:030
274899915020,16cyclictest13616-21cron08:20:000
27489991499,22cyclictest23212-21wget11:05:080
274899914942,98cyclictest10134-21runrttasks12:16:580
274899914934,104cyclictest26185-21apt-config11:15:260
274899914926,11cyclictest10150irq/55-4a10000012:39:350
274899914836,99cyclictest801-21dbus-daemon10:50:000
274899914834,96cyclictest0-21swapper/009:21:010
27489991478,24cyclictest28792-21fw_forwarded_lo11:25:230
274899914737,98cyclictest31232-21latency_hist07:25:050
274899914732,103cyclictest2882-21runrttasks09:42:430
27489991468,19cyclictest9257-21latency_hist12:15:040
274899914629,13cyclictest0-21swapper/010:20:330
274899914623,19cyclictest16973-21/usr/sbin/munin10:40:510
27489991458,20cyclictest14871-21ntp_states10:30:420
27489991457,19cyclictest30000-21diskstats11:30:160
274899914543,90cyclictest10250irq/56-4a10000007:30:210
274899914540,86cyclictest5779-21aten_r7power_cu09:55:120
274899914533,101cyclictest5515-21basename07:50:110
274899914442,90cyclictest26077-21seq09:06:500
274899914438,95cyclictest22468-21cat11:00:420
274899914431,102cyclictest20855-21runrttasks08:48:020
274899914419,17cyclictest18041-21tr08:35:460
274899914348,86cyclictest15828-21aten_r7power_vo10:35:160
274899914342,86cyclictest101ktimersoftd/010:50:450
274899914321,15cyclictest601-21latency_hist09:35:020
27489991418,17cyclictest14071-21memory08:20:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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