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2025-12-07 - 10:52
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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 100 highest latencies:
System rackbslot6.osadl.org (updated Sun Dec 07, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3044721710,5sleep12952699cyclictest23:50:051
2462421680,5sleep12952699cyclictest21:20:501
1773911210,8ptp4l17597-21kworker/3:120:21:313
140692830,2sleep20-21swapper/201:21:112
61912610,3sleep30-21swapper/301:50:593
29543996150,5cyclictest41-21ksoftirqd/320:55:493
266142610,3sleep3401ktimersoftd/301:00:093
29543995848,5cyclictest41-21ksoftirqd/301:05:533
2952299585,17cyclictest1764-21/usr/sbin/munin23:15:560
177391580,1ptp4l401ktimersoftd/322:55:443
29543995727,10cyclictest41-21ksoftirqd/301:35:403
29543995726,5cyclictest41-21ksoftirqd/300:55:403
29543995722,8cyclictest41-21ksoftirqd/300:01:023
2952299576,13cyclictest24627-21rm00:56:090
2952299575,17cyclictest1250-21head22:36:050
292472574,41sleep00-21swapper/020:23:200
281312570,2sleep10-21swapper/101:00:591
177391570,1ptp4l401ktimersoftd/301:50:343
2952299567,15cyclictest28424-21phc2sys01:01:020
272552560,3sleep2321ktimersoftd/223:06:542
2954399554,11cyclictest41-21ksoftirqd/300:00:383
2952299555,17cyclictest978-21/usr/sbin/munin00:31:150
2952299555,16cyclictest26178-21/usr/sbin/munin23:05:590
29543995423,5cyclictest41-21ksoftirqd/301:35:583
2952299545,16cyclictest393-21uptime23:51:070
29543995322,10cyclictest41-21ksoftirqd/322:05:513
29543995322,10cyclictest41-21ksoftirqd/321:35:353
29543995322,10cyclictest41-21ksoftirqd/301:25:573
29543995321,14cyclictest41-21ksoftirqd/322:10:513
29543995320,9cyclictest41-21ksoftirqd/301:03:433
29543995320,8cyclictest41-21ksoftirqd/321:01:053
29543995320,5cyclictest41-21ksoftirqd/321:50:583
2954399526,6cyclictest41-21ksoftirqd/322:41:083
29543995223,10cyclictest41-21ksoftirqd/322:01:073
29543995222,10cyclictest41-21ksoftirqd/323:06:073
29543995222,10cyclictest41-21ksoftirqd/320:30:463
29543995222,10cyclictest41-21ksoftirqd/320:30:463
29543995221,8cyclictest41-21ksoftirqd/323:25:573
29543995220,11cyclictest41-21ksoftirqd/300:05:543
29543995219,7cyclictest41-21ksoftirqd/322:35:473
29543995218,8cyclictest41-21ksoftirqd/300:31:003
2952299526,18cyclictest9372-21python01:16:040
2952299525,17cyclictest2226-21irqrtprio21:40:540
2952299525,16cyclictest15900-21unixbench-2d00:46:080
2952299524,17cyclictest26756-21/usr/sbin/munin23:45:530
2952299524,16cyclictest8074-21ssh23:22:410
2952299524,14cyclictest23668-21ssh23:03:140
2954399514,10cyclictest41-21ksoftirqd/300:20:593
29543995125,4cyclictest41-21ksoftirqd/301:44:543
29543995122,4cyclictest41-21ksoftirqd/323:01:003
29543995121,5cyclictest41-21ksoftirqd/323:33:413
29543995119,4cyclictest41-21ksoftirqd/322:35:363
2952299516,11cyclictest7435-21apt-get00:00:510
2952299515,15cyclictest22663-21diskmemload01:05:450
2952299515,14cyclictest3812-21ssh01:48:000
2952299515,14cyclictest25883-21ssh23:44:260
2952299514,16cyclictest21883-21/usr/sbin/munin21:16:010
2952299514,14cyclictest3822-21apt-get22:40:490
2954399505,10cyclictest41-21ksoftirqd/323:46:073
29543995025,4cyclictest41-21ksoftirqd/300:17:103
29543995025,4cyclictest41-21ksoftirqd/300:17:103
29543995024,4cyclictest41-21ksoftirqd/300:27:583
29543995020,10cyclictest41-21ksoftirqd/321:20:573
29543995011,10cyclictest41-21ksoftirqd/300:40:563
2952299506,11cyclictest12192-21/usr/sbin/munin00:05:540
2952299505,11cyclictest22663-21diskmemload01:51:420
2952299504,9cyclictest21691-21/usr/sbin/munin00:16:000
2952299504,9cyclictest21691-21/usr/sbin/munin00:16:000
2952299504,14cyclictest22663-21diskmemload23:27:400
2952299504,13cyclictest12356-21apt-get01:20:540
2952299504,11cyclictest22663-21diskmemload01:35:330
2952299503,16cyclictest22663-21diskmemload22:56:020
2952299503,14cyclictest27454-21apt-get22:30:490
2952299503,12cyclictest12623-21fschecks_count22:50:520
183792500,1sleep30-21swapper/300:11:553
183792500,1sleep30-21swapper/300:11:553
29543994926,7cyclictest41-21ksoftirqd/320:45:343
29543994922,4cyclictest41-21ksoftirqd/322:55:343
29543994921,4cyclictest41-21ksoftirqd/321:25:523
29543994918,10cyclictest41-21ksoftirqd/301:20:583
2952299496,9cyclictest17154-21/usr/sbin/munin01:25:560
2952299495,8cyclictest15389-21/usr/sbin/munin23:31:010
2952299495,13cyclictest19997-21ssh00:15:230
2952299495,13cyclictest19997-21ssh00:15:230
2952299495,12cyclictest22663-21diskmemload22:26:490
2952299495,12cyclictest22663-21diskmemload22:26:490
2952299494,17cyclictest22663-21diskmemload23:13:030
2952299494,17cyclictest22663-21diskmemload00:21:390
2952299494,16cyclictest22663-21diskmemload01:13:430
2952299494,14cyclictest8743-21apt-get21:55:510
2952299494,11cyclictest18243-21/usr/sbin/munin23:35:580
2952299493,16cyclictest22663-21diskmemload00:42:340
2952299492,15cyclictest22663-21diskmemload23:59:340
29543994823,7cyclictest41-21ksoftirqd/320:55:343
29543994822,4cyclictest41-21ksoftirqd/323:52:473
29543994816,10cyclictest41-21ksoftirqd/323:13:243
2952299486,9cyclictest6630-21phc2sys00:36:010
2952299484,17cyclictest25612-21apt-get01:35:540
2954399475,9cyclictest41-21ksoftirqd/300:36:113
2954399472,9cyclictest41-21ksoftirqd/300:46:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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