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2025-09-16 - 04:22
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack3slot2.osadl.org (updated Tue Sep 16, 2025 00:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
235136222960,4chrt2351360-21/usr/sbin/munin20:50:260
234201622880,3sleep02342018-21proc_pri20:16:150
241628522670,2sleep02416286-21ssh00:03:520
235874022430,3sleep02358741-21awk21:15:350
237101222390,3chrt2371003-21ntpq21:51:180
242220022380,3chrt2422199-21ld00:20:580
239142422380,3chrt2391425-21ld22:50:570
239527322340,3chrt2395275-21swap23:01:590
238263122200,3chrt2382630-21/usr/sbin/munin22:25:310
236268322180,2sleep02362684-21gzip21:26:520
237818022070,3sleep02378181-21cat22:11:590
233757722050,2sleep02337580-21sort20:00:310
242589222020,2sleep02425890-21sendmail_mailst00:31:510
236620921990,2sleep02366210-21/usr/sbin/munin21:36:560
242823821880,2sleep02428239-21ssh00:39:250
235421121850,2sleep02354209-21interrupts21:00:260
239791721840,2sleep02397918-21/usr/sbin/munin23:10:170
235680521810,5chrt2356806-21ls21:10:110
236182321770,3sleep02361824-21systemctl21:25:040
234853521740,3chrt2348533-21df20:40:150
232322499171145,17cyclictest2325076-21kworker/u2:319:32:190
241329621700,3chrt2413294-21ssh23:55:170
237997421690,4chrt2379975-21timerwakeupswit22:17:020
234079321690,4chrt2340795-21switchtime20:11:220
232322499168136,20cyclictest84-21jbd2/mmcblk0p2-23:25:040
239000221670,3chrt2390003-21processes22:46:510
236709821670,4chrt2367064-21/usr/sbin/munin21:40:140
242422521660,2sleep02424226-21mailstats00:26:500
240358121660,4chrt2403576-21ntpq23:26:370
235119821660,2sleep02351199-21cat20:50:070
233654921660,4chrt2336550-21systemctl19:56:170
234475421650,3chrt2344752-21ntpq20:26:040
238805421640,3chrt2388045-21ssh22:41:060
240105721630,4chrt2401056-21ssh23:19:490
236530421630,3chrt2365306-21sed21:35:090
233350121580,4chrt2333500-21ld19:45:450
232322499155125,19cyclictest84-21jbd2/mmcblk0p2-23:00:100
232322499152121,20cyclictest84-21jbd2/mmcblk0p2-19:55:060
232322499150124,17cyclictest2392029-21kworker/u2:223:30:270
233113221490,2sleep02331133-21who19:36:240
232322499143114,18cyclictest2381775-21kworker/u2:222:23:220
232322499140111,20cyclictest29-21kswapd000:15:280
232322499139108,19cyclictest84-21jbd2/mmcblk0p2-22:00:150
232322499138111,18cyclictest2361755-21kworker/u2:221:59:430
232322499138109,19cyclictest84-21jbd2/mmcblk0p2-23:35:370
232322499135107,17cyclictest2361755-21kworker/u2:222:06:050
238637321340,3sleep02386374-21ssh22:36:170
232322499134108,17cyclictest2414822-21kworker/u2:300:13:220
232322499132106,17cyclictest2317617-21kworker/u2:219:19:190
232322499132104,19cyclictest2326984-21kworker/u2:019:25:540
232322499131103,18cyclictest2400761-21kworker/u2:123:49:130
232322499130102,18cyclictest2361755-21kworker/u2:221:47:380
232322499129104,16cyclictest2357929-21kworker/u2:321:14:360
232322499128102,17cyclictest2417936-21kworker/u2:100:08:530
232322499128101,17cyclictest2378493-21kworker/u2:123:09:290
232322499127104,15cyclictest2337183-21kworker/u2:020:05:250
232322499127101,17cyclictest2400761-21kworker/u2:123:44:180
232322499126100,17cyclictest2341348-21kworker/u2:120:23:520
23232249912496,17cyclictest2407978-21kworker/u2:223:52:050
23232249912398,17cyclictest2353443-21kworker/u2:220:58:330
23232249912194,18cyclictest2323233-21kworker/u2:019:14:210
23232249912092,19cyclictest2381775-21kworker/u2:222:31:460
23232249911688,19cyclictest2347410-21kworker/u2:020:38:230
23232249911588,18cyclictest2325076-21kworker/u2:319:22:070
23232249910781,17cyclictest2325076-21kworker/u2:319:42:500
23232249910579,18cyclictest2341348-21kworker/u2:120:34:550
2323224999564,20cyclictest84-21jbd2/mmcblk0p2-19:10:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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