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2026-03-25 - 23:37
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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 Wed Mar 25, 2026 13:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28371210470,11sleep028372-21aten_r7power_vo07:05:140
294629917432,17cyclictest10250irq/56-4a10000011:39:250
294629916721,17cyclictest8265-21ntp_states07:50:430
294629916644,14cyclictest8950irq/40-mmc111:15:220
294629916634,12cyclictest0-21swapper/011:57:500
294629916431,12cyclictest0-21swapper/009:27:150
294629916130,18cyclictest1408-21nginx07:48:530
294629916037,19cyclictest13790-21/usr/sbin/munin12:25:330
29462991588,21cyclictest27520-21diskstats09:05:230
294629915824,23cyclictest1305-21snmpd07:16:440
294629915643,20cyclictest63082chrt09:50:190
294629915640,17cyclictest10250irq/56-4a10000010:25:130
294629915638,19cyclictest2766-21processes11:40:440
29462991557,16cyclictest15962-21apt-get10:32:080
294629915537,12cyclictest10150irq/55-4a10000012:35:300
294629915524,17cyclictest8726-21sshd12:05:250
294629915449,11cyclictest101ktimersoftd/007:11:250
294629915440,16cyclictest10250irq/56-4a10000010:39:330
294629915438,21cyclictest13462-21cron10:20:010
294629915436,13cyclictest10150irq/55-4a10000007:25:170
29462991537,16cyclictest1544-21open_inodes09:30:410
29462991536,17cyclictest10779-21awk08:00:430
29462991527,52cyclictest143102sleep010:21:310
29462991527,19cyclictest30448-21apt-get11:27:120
29462991527,16cyclictest9557-21processes07:55:430
29462991527,16cyclictest7749-21ntp_states09:55:410
294629915240,11cyclictest10150irq/55-4a10000010:56:310
294629915237,17cyclictest5799-21sshd11:54:250
294629915225,117cyclictest25792-21aten_r7power_cu09:00:120
294629915222,27cyclictest10250irq/56-4a10000009:00:050
294629915147,92cyclictest11174-21runrttasks12:15:210
294629915044,16cyclictest31114-21sshd09:20:140
294629915043,17cyclictest8844-21sshd10:00:240
294629915042,97cyclictest16380-21sendmail_mailtr08:21:320
294629915039,17cyclictest27604-21runrttasks11:12:180
294629915026,17cyclictest12267-21wget12:20:110
294629914947,16cyclictest5627-21/usr/sbin/munin07:40:270
294629914942,13cyclictest10150irq/55-4a10000011:45:250
294629914940,17cyclictest1186-21apt-config07:25:060
294629914934,17cyclictest25938-21ntpq11:05:360
294629914920,27cyclictest10250irq/56-4a10000008:15:140
29462991488,50cyclictest11984-21ntp_states08:05:390
29462991487,18cyclictest21755-21memory10:50:340
29462991487,18cyclictest10133-21ntp_states12:10:460
294629914841,13cyclictest10150irq/55-4a10000008:46:250
294629914835,17cyclictest2010-21node09:14:060
294629914835,14cyclictest0-21swapper/008:34:000
294629914831,20cyclictest2940-21cut07:30:130
294629914831,12cyclictest0-21swapper/011:02:380
294629914734,20cyclictest19272-21sshd10:40:310
294629914638,18cyclictest29511-21runrttasks11:20:170
294629914622,22cyclictest0-21swapper/009:47:210
294629914613,30cyclictest0-21swapper/007:36:500
294629914540,19cyclictest15102-21runrttasks12:30:350
294629914536,20cyclictest19730-21cat08:35:290
294629914440,16cyclictest3018-21runrttasks09:36:000
294629914429,21cyclictest30958-21sendmail-msp09:20:020
294629914326,20cyclictest7569-21netstat12:00:300
294629914238,18cyclictest13033-21seq08:10:180
294629914131,22cyclictest754-21systemd-journal08:40:050
294629914111,28cyclictest0-21swapper/010:12:260
294629914042,87cyclictest4024-21/usr/sbin/munin09:40:370
294629914034,21cyclictest10849-21runrttasks10:09:010
294629913942,14cyclictest838-21seq11:34:510
294629913940,14cyclictest20744-21tr10:45:460
294629913935,18cyclictest17859-21runrttasks08:28:040
294629913812,34cyclictest23186-21/usr/sbin/munin08:50:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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