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2026-04-18 - 11:30
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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 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8463217422,51sleep08478-21df07:05:160
94759917244,27cyclictest3650irq/20-4900000009:57:110
94759917035,30cyclictest10250irq/56-4a10000007:34:240
94759916853,12cyclictest101ktimersoftd/011:55:170
94759916840,30cyclictest3650irq/20-4900000008:27:120
94759916541,15cyclictest10150irq/55-4a10000007:25:430
94759916348,13cyclictest10150irq/55-4a10000010:15:330
94759916346,19cyclictest24490-21/usr/sbin/munin10:11:300
94759916246,97cyclictest3650irq/20-4900000009:18:200
94759916226,16cyclictest10250irq/56-4a10000008:44:310
94759916133,33cyclictest31442-21sendmail12:40:010
94759916133,22cyclictest0-21swapper/011:10:550
9475991607,22cyclictest26920-21apt-get12:27:440
94759915942,17cyclictest16519-21runrttasks11:45:290
94759915842,16cyclictest16774-21latency_hist09:45:030
94759915834,25cyclictest0-21swapper/011:05:540
94759915647,21cyclictest6634-21/usr/sbin/munin09:05:140
94759915646,14cyclictest10150irq/55-4a10000010:00:290
94759915638,21cyclictest10694-21http07:15:030
9475991548,22cyclictest23570-21fw_forwarded_lo12:10:460
94759915454,19cyclictest5200-21seq09:00:020
94759915255,15cyclictest10824-21apt-key07:15:080
94759915247,22cyclictest10150irq/55-4a10000011:16:180
94759915245,18cyclictest5438-21cpu09:00:140
94759915243,14cyclictest10150irq/55-4a10000008:30:160
94759915160,11cyclictest101ktimersoftd/011:26:000
94759915142,21cyclictest22726-21systemd12:09:450
94759915139,19cyclictest26191-21ntpq12:20:390
94759915044,18cyclictest3812-21runrttasks10:56:030
94759915043,14cyclictest10150irq/55-4a10000010:31:030
94759914944,18cyclictest26901-21runrttasks08:17:090
94759914944,13cyclictest10150irq/55-4a10000010:35:470
94759914858,11cyclictest101ktimersoftd/012:30:220
94759914857,12cyclictest101ktimersoftd/008:10:100
94759914852,14cyclictest11230-21latency_hist11:25:030
9475991479,26cyclictest12450-21/usr/sbin/munin07:20:180
94759914744,18cyclictest1680-21cron10:50:010
94759914740,19cyclictest19127-21processes07:45:440
9475991466,29cyclictest5217-21mailstats11:00:410
94759914641,18cyclictest27670-21runrttasks08:20:290
94759914641,18cyclictest23434-21latency_hist10:10:060
94759914556,11cyclictest101ktimersoftd/008:00:390
94759914527,38cyclictest23827-21sshd08:05:160
94759914456,11cyclictest101ktimersoftd/009:10:500
94759914340,17cyclictest27029-21runrttasks10:20:580
94759914319,17cyclictest1305-21snmpd07:56:230
94759914246,13cyclictest10150irq/55-4a10000012:00:470
94759914157,10cyclictest101ktimersoftd/007:50:240
94759913955,11cyclictest101ktimersoftd/008:50:420
94759913952,12cyclictest101ktimersoftd/008:45:430
94759913753,10cyclictest101ktimersoftd/011:35:230
9475991368,27cyclictest14584-21df09:35:180
94759912854,12cyclictest101ktimersoftd/012:15:310
17074211313,86sleep01305-21snmpd09:45:160
16686210518,76sleep016720-21awk07:35:450
280182976,77sleep01608-21ntpd10:25:400
161642955,75sleep016199-21date11:45:030
9475998820,32cyclictest18672-21https11:55:080
129272845,68sleep012925-21ntp_states11:30:390
947599828,21cyclictest31692-21diskstats08:35:200
9475998232,35cyclictest11617-21runrttasks09:23:270
9475998136,30cyclictest12674-21seq09:26:550
9475998127,18cyclictest1276-21runrttasks09:30:260
9475998041,27cyclictest3650irq/20-4900000007:40:350
9475998039,28cyclictest3650irq/20-4900000010:40:250
9475997645,13cyclictest10150irq/55-4a10000010:55:020
9475997541,26cyclictest0-21swapper/009:50:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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