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2026-08-10 - 23:39
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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 Mon Aug 10, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
436321780,3sleep0417599cyclictest14:48:400
2789821550,4sleep3419199cyclictest11:53:383
1053621080,3sleep2418699cyclictest10:43:192
1068911050,4ptp4l401ktimersoftd/309:20:513
16062670,5sleep0417599cyclictest14:44:580
4186996553,6cyclictest33-21ksoftirqd/214:08:382
4175996453,4cyclictest9-21ksoftirqd/012:53:350
4175996352,5cyclictest9-21ksoftirqd/013:13:340
4175996249,5cyclictest9-21ksoftirqd/009:58:270
39282620,1sleep00-21swapper/013:08:340
4175996150,4cyclictest9-21ksoftirqd/014:38:370
4175996149,6cyclictest9-21ksoftirqd/011:53:320
78632600,2sleep20-21swapper/213:12:302
4175996048,5cyclictest9-21ksoftirqd/012:33:320
4175996048,5cyclictest9-21ksoftirqd/010:08:280
201642600,5sleep220168-21timerwakeupswit13:23:502
4191995913,27cyclictest1853-21sh11:27:393
243042580,3sleep029771-21diskmemload12:23:220
4175995644,5cyclictest9-21ksoftirqd/013:33:360
4175995643,7cyclictest9-21ksoftirqd/011:48:320
48512550,2sleep00-21swapper/013:42:510
39922554,40sleep00-21swapper/009:22:160
11612550,3sleep0417599cyclictest11:58:450
251572540,2sleep10-21swapper/114:36:281
160482530,2sleep20-21swapper/213:19:492
4175995240,6cyclictest9-21ksoftirqd/010:03:290
419199500,4cyclictest13069-21chrt12:11:203
419199500,4cyclictest13069-21chrt12:11:203
149042500,3sleep30-21swapper/312:46:093
4175994433,5cyclictest9-21ksoftirqd/011:28:340
4175994236,3cyclictest9-21ksoftirqd/011:18:210
4175994218,4cyclictest9-21ksoftirqd/014:33:420
4175994216,17cyclictest9-21ksoftirqd/012:23:450
4175994133,4cyclictest9-21ksoftirqd/011:08:350
379424120,11sleep125-21ksoftirqd/109:19:381
4175993916,4cyclictest9-21ksoftirqd/012:43:460
106891390,1ptp4l401ktimersoftd/313:17:273
106891390,0ptp4l401ktimersoftd/312:08:113
419199382,30cyclictest0-21swapper/313:43:373
4175993832,3cyclictest9-21ksoftirqd/012:33:210
4175993832,3cyclictest9-21ksoftirqd/011:43:340
4175993820,3cyclictest9-21ksoftirqd/014:03:350
4175993814,3cyclictest9-21ksoftirqd/012:06:240
106891380,1ptp4l401ktimersoftd/314:27:253
106891380,1ptp4l401ktimersoftd/313:41:483
106891380,1ptp4l401ktimersoftd/313:32:493
106891380,1ptp4l401ktimersoftd/313:24:303
106891380,1ptp4l401ktimersoftd/313:10:523
106891380,1ptp4l401ktimersoftd/312:39:423
106891380,1ptp4l401ktimersoftd/312:31:213
419199374,26cyclictest1350-21apt-get10:23:313
419199374,26cyclictest1350-21apt-get10:23:313
419199371,29cyclictest29042-21apt-get10:13:313
4191993712,22cyclictest23412-21sed09:58:443
4175993721,5cyclictest9-21ksoftirqd/013:03:500
4175993713,4cyclictest9-21ksoftirqd/013:28:510
106891370,1ptp4l401ktimersoftd/314:51:143
106891370,1ptp4l401ktimersoftd/314:44:263
106891370,1ptp4l401ktimersoftd/314:29:073
106891370,1ptp4l401ktimersoftd/314:21:123
106891370,1ptp4l401ktimersoftd/314:10:133
106891370,1ptp4l401ktimersoftd/314:06:443
106891370,1ptp4l401ktimersoftd/313:54:143
106891370,1ptp4l401ktimersoftd/313:20:213
106891370,1ptp4l401ktimersoftd/312:50:013
106891370,1ptp4l401ktimersoftd/312:35:023
106891370,1ptp4l401ktimersoftd/311:59:133
106891370,1ptp4l401ktimersoftd/311:48:563
106891370,1ptp4l401ktimersoftd/311:44:573
106891370,1ptp4l401ktimersoftd/311:34:293
106891370,0ptp4l401ktimersoftd/314:14:383
106891370,0ptp4l401ktimersoftd/312:54:303
4191993619,14cyclictest41-21ksoftirqd/311:18:293
4191993611,21cyclictest6334-21expr10:33:323
4191993611,21cyclictest24917-21wc11:13:203
4186993629,4cyclictest33-21ksoftirqd/210:13:182
106891360,1ptp4l401ktimersoftd/314:38:153
106891360,1ptp4l401ktimersoftd/313:49:323
106891360,1ptp4l401ktimersoftd/313:34:253
106891360,1ptp4l401ktimersoftd/313:05:023
106891360,1ptp4l401ktimersoftd/312:59:323
106891360,1ptp4l401ktimersoftd/312:21:353
106891360,1ptp4l401ktimersoftd/311:05:013
106891360,1ptp4l401ktimersoftd/309:38:353
106891360,0ptp4l401ktimersoftd/311:29:313
419199352,27cyclictest0-21swapper/310:38:303
4186993525,5cyclictest33-21ksoftirqd/212:03:332
417599359,4cyclictest9-21ksoftirqd/011:23:340
4175993525,8cyclictest9-21ksoftirqd/014:08:400
4175993521,10cyclictest9-21ksoftirqd/012:08:520
4175993521,10cyclictest9-21ksoftirqd/012:08:520
106891350,0ptp4l401ktimersoftd/311:42:563
106891350,0ptp4l401ktimersoftd/310:10:303
419199340,5cyclictest24931-21/usr/sbin/munin12:23:383
419199340,4cyclictest15361-21if_err_enp1s012:13:403
419199340,4cyclictest15361-21if_err_enp1s012:13:403
4175993423,9cyclictest9-21ksoftirqd/013:43:420
4175993412,7cyclictest9-21ksoftirqd/010:48:370
4175993411,4cyclictest9-21ksoftirqd/014:23:100
419199337,23cyclictest40092irq/92-enp1s0-T10:53:333
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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