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2026-06-17 - 12:28
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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 792 highest latencies:
System rack7slot8.osadl.org (updated Tue Jun 16, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31283220019,44sleep01480-21munin-node07:07:240
316589911121,35cyclictest16448-21apt-get10:17:300
316589910683,13cyclictest0-21swapper/007:10:040
316589910147,33cyclictest22220-21runrttasks10:40:310
31658999856,27cyclictest101ktimersoftd/008:07:130
31658999722,21cyclictest27518-21runrttasks11:00:310
31658999653,29cyclictest101ktimersoftd/009:35:200
31658999454,24cyclictest101ktimersoftd/008:15:310
31658999451,29cyclictest101ktimersoftd/011:55:530
31658999450,24cyclictest0-21swapper/012:36:570
31658999419,37cyclictest15306-21apt-get08:10:310
31658999356,24cyclictest101ktimersoftd/009:15:170
31658999352,27cyclictest101ktimersoftd/011:10:360
31658999267,11cyclictest101ktimersoftd/007:20:460
31658999218,55cyclictest2010-21node09:24:340
197162926,11sleep019718-21irqstats10:30:300
31658999169,9cyclictest101ktimersoftd/011:35:390
31658999147,30cyclictest101ktimersoftd/007:55:310
31658999139,38cyclictest101ktimersoftd/012:28:210
31658999138,33cyclictest7433-21runrttasks07:40:240
31658999045,32cyclictest101ktimersoftd/010:00:330
31658999020,33cyclictest7070-21munin-run07:40:020
3165899899,44cyclictest754-21systemd-journal12:20:010
31658998945,34cyclictest27046-21aten_r7power_cu08:55:120
3165899887,44cyclictest18374-21df10:25:190
31658998845,29cyclictest3650irq/20-4900000012:15:030
3165899883,35cyclictest7645-21df09:45:170
31658998820,48cyclictest8925-21sshd09:50:250
31658998819,49cyclictest6248-21wget09:40:140
31658998818,37cyclictest25176-21runrttasks08:45:570
31658998761,12cyclictest101ktimersoftd/012:30:490
31658998756,20cyclictest6583-21/usr/sbin/munin11:45:440
31658998742,35cyclictest26797-21runrttasks11:00:050
31658998741,13cyclictest10150irq/55-4a10000009:15:020
31658998739,32cyclictest10250irq/56-4a10000011:29:510
3165899871,70cyclictest290952chrt09:02:290
229482875,11sleep00-21swapper/008:38:160
3165899868,20cyclictest3781-21memory07:25:340
31658998636,33cyclictest1305-21snmpd07:48:220
31658998544,26cyclictest3650irq/20-4900000009:55:310
31658998535,16cyclictest10250irq/56-4a10000008:04:170
31658998520,50cyclictest787-21haveged08:20:140
31658998516,18cyclictest23485-21df08:40:170
31658998514,35cyclictest24687-21fw_forwarded_lo10:50:520
31658998454,20cyclictest9914-21runrttasks07:50:240
31658998440,34cyclictest10250irq/56-4a10000007:20:040
31658998440,30cyclictest10250irq/56-4a10000010:14:430
31658998356,11cyclictest101ktimersoftd/008:55:020
31658998354,13cyclictest10150irq/55-4a10000009:25:480
31658998351,15cyclictest10150irq/55-4a10000009:05:290
31658998331,13cyclictest15329-21grep12:20:160
3165899827,21cyclictest1305-21snmpd12:05:010
31658998259,11cyclictest101ktimersoftd/011:15:340
31658998245,27cyclictest0-21swapper/008:30:100
31658998225,42cyclictest1408-21nginx10:24:410
31658998222,46cyclictest1305-21snmpd08:25:530
31658998055,10cyclictest101ktimersoftd/011:20:450
31658998053,12cyclictest101ktimersoftd/007:30:200
31658998049,20cyclictest5132-21runrttasks11:40:290
31658998048,21cyclictest3960-21runrttasks09:30:260
31658998032,31cyclictest10150irq/55-4a10000010:35:430
3165899797,18cyclictest11669-21diskstats12:05:350
31658997951,17cyclictest28862-21/usr/sbin/munin11:05:350
31658997917,20cyclictest7529-21diskstats11:50:260
31658997836,32cyclictest3267-21sshd11:33:250
31658997745,14cyclictest10150irq/55-4a10000010:45:270
3165899758,14cyclictest13022-21diskstats10:05:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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