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2026-05-20 - 16:49
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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 792 highest latencies:
System rack3slot2.osadl.org (updated Wed May 20, 2026 12:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
254923399429367,51cyclictest29-21kswapd007:41:100
254923399376315,48cyclictest2577383-21/usr/sbin/munin08:50:210
254923399273235,26cyclictest2557527-31find07:39:160
254923399258226,22cyclictest29-21kswapd008:46:100
254923399258225,21cyclictest2559290-21awk07:45:220
259718322570,3chrt2597180-21ntpq10:00:480
258487722430,3chrt2584878-21sendmail_mailtr09:16:170
255093922400,2sleep02550942-21cut07:15:280
263240822310,4chrt2632410-21ls12:06:210
254923399226195,18cyclictest2595245-21kworker/u2:210:11:170
254923399224194,18cyclictest2613741-21kworker/u2:012:11:170
254923399222192,19cyclictest2613741-21kworker/u2:012:30:030
254923399215184,19cyclictest2613741-21kworker/u2:012:31:190
254923399214181,19cyclictest2574371-21kworker/u2:008:41:190
254923399210178,20cyclictest2613741-21kworker/u2:011:26:190
254923399210167,19cyclictest2599865-21kworker/u2:010:25:120
254923399208178,19cyclictest2559050-21kworker/u2:108:31:190
261817222060,2sleep02618170-21open_files11:16:130
254923399206177,19cyclictest2588290-21kworker/u2:009:55:120
260169422050,3sleep02601697-21sed10:16:200
254923399205174,19cyclictest2579023-21kworker/u2:208:56:190
256505022040,2sleep02565052-21awk08:05:300
254923399203172,19cyclictest2613741-21kworker/u2:011:50:020
254923399202171,19cyclictest2613741-21kworker/u2:011:40:060
264074422010,2sleep02640745-21timerwakeupswit12:36:210
254923399199170,19cyclictest2613741-21kworker/u2:011:06:220
254923399196166,18cyclictest2627955-21kworker/u2:111:51:170
259464321950,3chrt2594641-21systemctl09:51:190
254923399195164,20cyclictest2588290-21kworker/u2:009:46:180
254923399194163,19cyclictest2613741-21kworker/u2:012:05:060
254923399194163,19cyclictest2559050-21kworker/u2:108:25:040
254923399193161,20cyclictest2609616-21kworker/u2:110:50:130
254923399192162,18cyclictest2579023-21kworker/u2:209:05:070
254923399192161,19cyclictest2538208-21kworker/u2:007:11:210
254923399191160,20cyclictest2584105-21kworker/u2:109:30:060
254923399191160,19cyclictest2559050-21kworker/u2:108:26:210
254923399191160,19cyclictest2559050-21kworker/u2:108:11:190
254923399189158,19cyclictest2579023-21kworker/u2:209:15:050
263564721870,3sleep02635648-21cat12:20:000
254923399187158,17cyclictest2559050-21kworker/u2:107:55:120
254923399187157,18cyclictest2599865-21kworker/u2:010:41:180
254923399186155,19cyclictest2613741-21kworker/u2:012:21:170
257447121850,2sleep02574474-21latency_hist08:40:070
254923399185155,18cyclictest2609616-21kworker/u2:111:00:070
254923399185154,19cyclictest2627955-21kworker/u2:111:55:120
254923399185154,19cyclictest2613741-21kworker/u2:011:31:190
254923399185154,19cyclictest2559050-21kworker/u2:108:00:120
254923399184153,18cyclictest2559050-21kworker/u2:108:20:060
254923399183154,19cyclictest2546932-21kworker/u2:107:30:240
254923399183147,22cyclictest2589675-21anacron09:35:020
254923399182150,19cyclictest2599865-21kworker/u2:010:46:180
254923399181149,20cyclictest2546932-21kworker/u2:107:26:220
254923399180150,19cyclictest2538208-21kworker/u2:007:10:040
254923399177146,19cyclictest2579023-21kworker/u2:209:20:320
254923399173143,18cyclictest2579023-21kworker/u2:209:10:020
254923399172141,19cyclictest2588290-21kworker/u2:009:35:120
259172721710,4chrt2591725-21ntpq09:41:110
254923399170142,18cyclictest2599865-21kworker/u2:010:35:040
254923399168141,17cyclictest2595245-21kworker/u2:210:06:240
254923399168137,19cyclictest2613741-21kworker/u2:011:05:070
254923399167139,17cyclictest2613741-21kworker/u2:011:45:060
254923399167138,18cyclictest2546932-21kworker/u2:107:25:020
254923399167137,19cyclictest2599865-21kworker/u2:010:36:130
254923399162131,20cyclictest2613741-21kworker/u2:011:25:060
254923399159129,19cyclictest2599865-21kworker/u2:010:21:190
254923399158129,19cyclictest2613741-21kworker/u2:011:11:180
254923399156126,19cyclictest2556197-21kworker/u2:207:51:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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