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2026-04-11 - 08:52
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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 Sat Apr 11, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1678821660,2sleep10-21swapper/123:39:541
1749721520,5sleep2507699cyclictest23:06:472
1068911190,8ptp4l24645-21kworker/3:220:15:493
2540421150,4sleep325407-21gltestperf01:26:323
105791690,4getstats508599cyclictest22:00:453
177852650,1sleep10-21swapper/122:35:581
4952620,5sleep2507699cyclictest21:11:282
5076995945,8cyclictest33-21ksoftirqd/201:36:262
106891580,1ptp4l401ktimersoftd/323:01:393
292232570,2sleep10-21swapper/101:30:591
48432564,10sleep20-21swapper/220:14:402
297052550,1sleep00-21swapper/022:46:370
106891550,1ptp4l401ktimersoftd/322:56:583
5582540,2sleep20-21swapper/222:51:132
5076995137,6cyclictest33-21ksoftirqd/200:56:262
106891500,1ptp4l401ktimersoftd/300:24:313
5076994938,6cyclictest33-21ksoftirqd/223:36:262
106891490,1ptp4l401ktimersoftd/322:28:003
301502470,2sleep10-21swapper/122:46:461
5076994634,5cyclictest33-21ksoftirqd/220:51:222
5076994633,6cyclictest33-21ksoftirqd/200:11:262
5076994533,6cyclictest33-21ksoftirqd/222:16:232
106891440,1ptp4l401ktimersoftd/321:22:463
106891440,1ptp4l401ktimersoftd/321:22:463
106891430,1ptp4l27899-21kworker/3:023:39:303
5076994235,4cyclictest33-21ksoftirqd/223:21:182
106891420,1ptp4l401ktimersoftd/322:08:123
106891420,1ptp4l401ktimersoftd/301:03:423
5076994136,2cyclictest33-21ksoftirqd/200:41:192
106891410,1ptp4l401ktimersoftd/300:41:443
106891410,17ptp4l401ktimersoftd/322:51:323
106891400,1ptp4l401ktimersoftd/301:16:283
42462393,21sleep02835-21/usr/sbin/munin20:11:350
106891390,1ptp4l401ktimersoftd/323:30:203
106891390,1ptp4l401ktimersoftd/322:19:033
106891390,1ptp4l401ktimersoftd/321:16:383
106891390,0ptp4l401ktimersoftd/300:11:453
5076993827,5cyclictest33-21ksoftirqd/220:21:222
106891380,1ptp4l401ktimersoftd/323:45:023
106891380,1ptp4l401ktimersoftd/323:15:203
106891380,1ptp4l401ktimersoftd/322:50:083
106891380,1ptp4l401ktimersoftd/322:26:103
106891380,1ptp4l401ktimersoftd/320:41:393
106891380,1ptp4l401ktimersoftd/301:40:573
106891380,1ptp4l401ktimersoftd/301:07:113
106891380,1ptp4l401ktimersoftd/300:39:393
106891380,1ptp4l401ktimersoftd/300:29:063
106891370,1ptp4l401ktimersoftd/323:49:113
106891370,1ptp4l401ktimersoftd/323:32:043
106891370,1ptp4l401ktimersoftd/323:18:203
106891370,1ptp4l401ktimersoftd/322:41:523
106891370,1ptp4l401ktimersoftd/300:59:033
106891370,1ptp4l401ktimersoftd/300:51:363
106891370,1ptp4l401ktimersoftd/300:19:063
106891370,0ptp4l401ktimersoftd/301:11:533
106891370,0ptp4l401ktimersoftd/300:01:563
106891360,1ptp4l401ktimersoftd/323:51:463
106891360,1ptp4l401ktimersoftd/323:23:063
106891360,1ptp4l401ktimersoftd/301:45:123
106891360,1ptp4l401ktimersoftd/301:34:003
106891360,1ptp4l401ktimersoftd/300:08:053
5076993529,3cyclictest33-21ksoftirqd/222:51:252
5076993529,3cyclictest33-21ksoftirqd/222:26:122
106891350,1ptp4l401ktimersoftd/321:32:293
106891350,1ptp4l401ktimersoftd/300:49:083
106891350,1ptp4l401ktimersoftd/300:49:083
106891350,12ptp4l401ktimersoftd/300:35:533
106891350,0ptp4l401ktimersoftd/323:06:533
106891350,0ptp4l401ktimersoftd/322:39:253
5076993429,3cyclictest33-21ksoftirqd/200:06:152
5076993428,3cyclictest33-21ksoftirqd/200:16:192
5076993422,9cyclictest33-21ksoftirqd/222:31:422
506499340,5cyclictest4061-21grep00:31:350
106891340,0ptp4l401ktimersoftd/322:33:253
106891340,0ptp4l401ktimersoftd/301:23:433
5076993326,4cyclictest33-21ksoftirqd/223:46:142
5070993318,4cyclictest25-21ksoftirqd/100:31:351
106891330,1ptp4l401ktimersoftd/320:31:343
5076993227,3cyclictest33-21ksoftirqd/220:56:262
5076993227,3cyclictest33-21ksoftirqd/220:36:102
5076993227,3cyclictest33-21ksoftirqd/201:21:172
5076993227,3cyclictest33-21ksoftirqd/200:26:142
5076993226,3cyclictest33-21ksoftirqd/200:36:292
5076993226,3cyclictest33-21ksoftirqd/200:01:152
5076993225,3cyclictest33-21ksoftirqd/223:21:142
233942320,5sleep223399-21gltestperf23:46:292
106891320,1ptp4l401ktimersoftd/323:57:413
5085993119,9cyclictest41-21ksoftirqd/321:52:013
5076993126,3cyclictest33-21ksoftirqd/221:26:112
5076993126,3cyclictest33-21ksoftirqd/221:26:112
5076993126,3cyclictest33-21ksoftirqd/200:51:162
5076993126,3cyclictest33-21ksoftirqd/200:51:162
5076993125,3cyclictest33-21ksoftirqd/223:01:262
5076993125,3cyclictest33-21ksoftirqd/201:36:172
35302310,6sleep13533-21mailstats21:16:331
106891310,1ptp4l401ktimersoftd/320:28:053
507699304,8cyclictest0-21swapper/222:01:282
5076993024,3cyclictest33-21ksoftirqd/222:06:402
5076993024,3cyclictest33-21ksoftirqd/221:36:112
5076993024,3cyclictest33-21ksoftirqd/201:31:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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