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2026-04-15 - 05:42
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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 Wed Apr 15, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2927521460,3sleep12041599cyclictest22:33:401
2205121390,3sleep12041599cyclictest22:58:491
1855521290,4sleep10-21swapper/120:13:381
106891970,4ptp4l401ktimersoftd/320:16:323
106891720,1ptp4l401ktimersoftd/320:48:403
242232710,2sleep10-21swapper/122:28:381
242232710,2sleep10-21swapper/122:28:381
106891700,2ptp4l401ktimersoftd/301:14:003
106891690,9ptp4l401ktimersoftd/323:18:463
106891690,1ptp4l401ktimersoftd/323:17:563
106891690,1ptp4l401ktimersoftd/320:25:573
43312670,3sleep233-21ksoftirqd/223:48:412
200382664,10sleep00-21swapper/020:14:510
106891650,1ptp4l401ktimersoftd/322:40:503
131052620,2sleep00-21swapper/022:49:170
282772610,5sleep028268-21apt-get00:13:400
282772610,5sleep028268-21apt-get00:13:400
106891580,1ptp4l401ktimersoftd/323:31:553
106891580,1ptp4l401ktimersoftd/301:06:013
139052570,3sleep013214-21/usr/sbin/munin01:38:470
106891560,1ptp4l401ktimersoftd/322:35:293
146062550,2sleep30-21swapper/323:24:213
106891540,1ptp4l401ktimersoftd/300:47:133
221232510,2sleep20-21swapper/200:39:352
139982490,1sleep10-21swapper/122:50:501
106891490,1ptp4l401ktimersoftd/301:31:453
7622460,1sleep00-21swapper/023:10:400
143291460,1getstats0-21swapper/322:02:493
2042099431,27cyclictest27217-21awk21:38:242
106891430,1ptp4l401ktimersoftd/323:10:583
106891420,7ptp4l401ktimersoftd/301:36:303
2042099419,20cyclictest19940-21ptp4l00:03:492
81372400,3sleep12041599cyclictest00:25:251
153512400,1sleep20-21swapper/200:33:412
123092400,2sleep20-21swapper/201:37:292
106891400,1ptp4l401ktimersoftd/301:46:503
20420993922,14cyclictest33-21ksoftirqd/220:33:342
20420993922,14cyclictest33-21ksoftirqd/220:33:342
106891390,1ptp4l401ktimersoftd/322:25:053
106891390,1ptp4l401ktimersoftd/322:25:053
106891390,1ptp4l401ktimersoftd/301:43:043
2042099382,28cyclictest1936-21apt-get00:53:412
106891380,1ptp4l401ktimersoftd/322:59:463
106891380,1ptp4l401ktimersoftd/322:30:203
106891380,1ptp4l401ktimersoftd/322:30:203
106891380,1ptp4l401ktimersoftd/301:27:243
106891380,1ptp4l401ktimersoftd/300:25:453
106891380,0ptp4l401ktimersoftd/323:07:293
106891370,1ptp4l401ktimersoftd/323:51:513
106891370,1ptp4l401ktimersoftd/323:41:553
106891370,1ptp4l401ktimersoftd/323:36:243
106891370,1ptp4l401ktimersoftd/322:54:203
106891370,1ptp4l401ktimersoftd/321:28:593
106891370,1ptp4l401ktimersoftd/301:19:253
106891370,1ptp4l401ktimersoftd/301:00:233
106891370,1ptp4l401ktimersoftd/300:57:143
106891370,1ptp4l401ktimersoftd/300:41:153
106891370,1ptp4l401ktimersoftd/300:34:183
106891370,1ptp4l401ktimersoftd/300:31:443
106891370,1ptp4l401ktimersoftd/300:10:393
106891370,0ptp4l401ktimersoftd/322:18:363
2042099364,25cyclictest7696-21apt-get23:18:362
106891360,1ptp4l401ktimersoftd/323:59:373
106891360,1ptp4l401ktimersoftd/323:46:113
106891360,1ptp4l401ktimersoftd/300:13:373
106891360,1ptp4l401ktimersoftd/300:13:373
106891360,0ptp4l401ktimersoftd/301:11:573
106891360,0ptp4l401ktimersoftd/300:48:453
106891360,0ptp4l401ktimersoftd/300:20:443
20424993529,3cyclictest41-21ksoftirqd/322:08:243
2042099353,24cyclictest31042-21apt-get20:38:342
2042099352,25cyclictest23922-21apt-get20:23:352
2042099351,20cyclictest27904-21snmp_o5powerctl01:18:542
2042099350,4cyclictest9609-21chrt20:58:502
106891350,0ptp4l401ktimersoftd/321:46:583
106891350,0ptp4l401ktimersoftd/321:41:403
106891350,0ptp4l401ktimersoftd/300:04:243
2042099342,26cyclictest2421-21apt-get21:53:382
2042099342,25cyclictest7153-21apt-get22:03:362
2042099342,25cyclictest31282-21apt-get01:23:412
2042099342,25cyclictest20702-21apt-get22:58:382
20420993418,13cyclictest33-21ksoftirqd/221:45:392
20420993414,17cyclictest7910-21sed22:43:542
20420993414,17cyclictest731-21sh00:52:052
20420993414,17cyclictest21523-21sh22:24:362
20420993414,17cyclictest21523-21sh22:24:362
2042099341,30cyclictest13726-21gltestperf01:38:462
2042099341,29cyclictest11722-21mailstats00:28:522
2042099340,2cyclictest0-21swapper/222:19:242
20415993417,14cyclictest25-21ksoftirqd/123:33:391
106891340,1ptp4l401ktimersoftd/322:48:513
106891340,1ptp4l401ktimersoftd/321:12:363
211602330,2sleep10-21swapper/123:32:221
2042099332,26cyclictest11553-21apt-get01:03:422
20420993314,16cyclictest31218-21sh22:34:362
20420993314,16cyclictest17872-21switchtime01:08:572
20420993314,16cyclictest14663-21sh22:52:012
20420993313,17cyclictest18066-21sh22:54:302
20420993313,16cyclictest13771-21acpi23:58:392
2042099331,26cyclictest31830-21apt-get23:43:392
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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