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2025-12-22 - 10:12
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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 Mon Dec 22, 2025 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29307221737,52sleep00-21swapper/019:07:520
296269916354,14cyclictest3650irq/20-4900000022:50:430
296269916240,30cyclictest3650irq/20-4900000021:22:120
296269916046,29cyclictest3650irq/20-4900000020:15:440
296269915953,17cyclictest30072-21/usr/sbin/munin19:10:390
296269915831,33cyclictest21556-21runrttasks20:45:210
296269915439,28cyclictest3650irq/20-4900000019:18:030
296269915021,15cyclictest23205-21latency_hist23:00:050
296269914847,22cyclictest10150irq/55-4a10000022:05:250
296269914845,26cyclictest0-21swapper/020:50:310
296269914327,19cyclictest1276-21runrttasks21:45:210
5057211411,87sleep05107-21sed19:40:050
289121107,91sleep02894-21cron21:40:000
1781321085,79sleep017816-21diskstats20:30:220
13221210518,77sleep013230-21fw_conntrack22:20:230
1560621036,83sleep015607-21diskstats00:35:250
1194721025,83sleep01351-21lldpd00:20:330
263912995,83sleep026415-21df23:10:220
113102995,81sleep011256-21cron20:05:040
102972975,81sleep010303-21latency_hist00:15:030
29626999663,17cyclictest5612-21aten_r7power_vo21:50:150
203522965,76sleep020406-21latency_hist22:50:030
83612955,75sleep08388-21wc00:05:450
70562945,79sleep07065-21memory21:55:330
29626999436,43cyclictest10250irq/56-4a10000021:06:100
320832935,77sleep032093-21/usr/sbin/munin23:31:270
29626999259,15cyclictest10150irq/55-4a10000021:25:190
161972925,76sleep016198-21sshd20:24:360
29626999146,29cyclictest3650irq/20-4900000020:25:340
29626999033,17cyclictest754-21systemd-journal19:53:360
2962699879,39cyclictest8327-21memory22:00:330
29626998747,28cyclictest3650irq/20-4900000020:10:250
29626998639,32cyclictest0-21swapper/022:35:380
157572866,68sleep015775-21irqstats22:30:300
2962699855,21cyclictest14589-21seq22:25:350
29626998546,27cyclictest101ktimersoftd/000:25:440
29626998449,25cyclictest0-21swapper/021:00:230
29626998449,18cyclictest10150irq/55-4a10000022:10:340
29626998437,17cyclictest10250irq/56-4a10000019:47:500
29626998423,28cyclictest28582-21latency_hist23:20:040
2962699838,16cyclictest1305-21snmpd21:33:440
29626998344,26cyclictest3650irq/20-4900000000:15:440
29626998339,30cyclictest623-21if_eth023:35:290
29626998337,27cyclictest1276-21runrttasks20:00:150
29626998151,14cyclictest10150irq/55-4a10000000:00:020
29626998137,27cyclictest10250irq/56-4a10000019:30:130
29626998128,42cyclictest10250irq/56-4a10000020:38:330
29626998127,36cyclictest7811-21cron00:05:010
29626998049,15cyclictest10150irq/55-4a10000021:15:530
2962699799,15cyclictest1305-21snmpd19:58:240
29626997944,24cyclictest101ktimersoftd/023:21:300
29626997859,12cyclictest101ktimersoftd/023:05:290
29626997849,14cyclictest10150irq/55-4a10000023:50:020
29626997847,14cyclictest10150irq/55-4a10000022:40:230
29626997839,10cyclictest101ktimersoftd/020:40:440
29626997834,22cyclictest0-21swapper/023:51:000
7312776,60sleep0101ktimersoftd/019:20:490
29626997749,18cyclictest27804-21runrttasks21:10:270
29626997747,14cyclictest10150irq/55-4a10000019:25:180
29626997746,13cyclictest10150irq/55-4a10000021:40:170
29626997728,15cyclictest23962-21/usr/sbin/munin23:00:540
29626997657,12cyclictest101ktimersoftd/023:40:310
29626997650,19cyclictest30835-21runrttasks23:27:580
29626997640,26cyclictest0-21swapper/000:30:120
29626997544,15cyclictest10150irq/55-4a10000022:15:500
29626997447,16cyclictest6381-21latency_hist19:45:040
29626997339,25cyclictest24195-21runrttasks20:55:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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