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2026-09-01 - 18:30
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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 Tue Sep 01, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14840212130,9sleep014838-21ntp_states19:05:290
156459917539,14cyclictest10250irq/56-4a10000000:23:520
156459916655,17cyclictest2517-21journal-offline22:32:130
156459916445,30cyclictest101ktimersoftd/020:10:430
15645991637,17cyclictest27958-21seq19:55:370
156459915940,30cyclictest3650irq/20-4900000020:20:180
15645991586,20cyclictest7203-21aten_r7power_po22:50:210
156459915836,29cyclictest3650irq/20-4900000021:32:100
156459915453,16cyclictest5348-21cron22:45:010
156459915333,29cyclictest3650irq/20-4900000019:47:100
156459915323,44cyclictest10250irq/56-4a10000023:38:390
156459915162,11cyclictest101ktimersoftd/019:50:220
156459915061,11cyclictest101ktimersoftd/021:10:200
156459915059,11cyclictest101ktimersoftd/023:05:320
156459915043,28cyclictest0-21swapper/000:29:400
15645991487,16cyclictest25461-21apt-get21:57:090
156459914845,20cyclictest22867-21apt23:50:250
156459914642,23cyclictest1008-21apt-get20:17:030
156459914557,12cyclictest101ktimersoftd/019:15:420
156459914544,23cyclictest31558-21wc22:20:030
15645991256,25cyclictest16708-21diskstats21:20:210
29296211819,86sleep029299-21diskstats00:15:200
18453211513,89sleep018459-21/usr/sbin/munin19:20:240
1971521046,85sleep019717-21fw_forwarded_lo19:25:260
1313021045,85sleep013133-21ntpq21:05:400
2429321026,81sleep024296-21df23:55:390
165682998,78sleep01305-21snmpd19:12:410
15645999943,20cyclictest801-21dbus-daemon21:40:000
101562985,78sleep010195-21/usr/sbin/munin23:00:490
2171429518,66sleep0101ktimersoftd/023:45:490
181382944,79sleep018146-21awk21:25:420
15645999440,17cyclictest23291-21df21:45:170
15645999330,30cyclictest101ktimersoftd/020:50:310
123982935,11sleep015635-21cyclictest23:10:360
15645999113,67cyclictest0-21swapper/022:10:310
17522904,75sleep01753-21sshd00:33:140
15645998759,12cyclictest101ktimersoftd/023:25:240
15645998646,28cyclictest3650irq/20-4900000019:45:040
15645998543,27cyclictest3650irq/20-4900000020:45:240
15645998528,39cyclictest0-21swapper/019:37:250
15645998452,14cyclictest10150irq/55-4a10000023:30:340
15645998421,18cyclictest30088-21latency_hist20:05:030
15645998346,27cyclictest0-21swapper/020:25:210
15645998335,30cyclictest435-21/usr/sbin/munin22:25:380
15645998326,38cyclictest0-21swapper/020:42:390
15645998234,29cyclictest1276-21runrttasks22:05:150
15645998150,14cyclictest10150irq/55-4a10000023:20:310
15645998130,33cyclictest25801-21which00:00:460
15645998021,27cyclictest3220-21latency_hist00:40:040
15645997950,13cyclictest10150irq/55-4a10000022:55:530
15645997941,27cyclictest0-21swapper/019:30:220
15645997930,41cyclictest1312-21sshd20:58:130
15645997929,14cyclictest27541-21netstat22:00:340
208282784,13sleep00-21swapper/023:42:560
15645997855,9cyclictest101ktimersoftd/020:30:250
15645997850,14cyclictest10150irq/55-4a10000022:20:490
15645997850,13cyclictest10150irq/55-4a10000022:35:310
15645997847,15cyclictest8950irq/40-mmc100:05:430
15645997846,14cyclictest10150irq/55-4a10000023:17:070
15645997820,16cyclictest22981-21latency_hist21:45:030
1564599777,21cyclictest15769-21mailstats21:15:460
15645997714,49cyclictest10250irq/56-4a10000020:05:160
15645997710,33cyclictest787-21haveged21:05:020
15645997642,18cyclictest24433-21aten_r7power_vo21:50:140
15645997628,13cyclictest27975-21cpu00:10:160
15645997528,31cyclictest1305-21snmpd22:45:230
15645997445,14cyclictest10150irq/55-4a10000020:35:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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