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2026-04-02 - 13:47
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rack0slot5.osadl.org (updated Thu Apr 02, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41083849949514,29cyclictest0-21swapper/1122:01:323
41083389948617,28cyclictest0-21swapper/000:13:320
410838999463463,0cyclictest0-21swapper/1222:20:324
41083899945935,30cyclictest133-21ksoftirqd/1220:17:324
41083389945226,424cyclictest0-21swapper/021:51:540
41083939945127,29cyclictest142-21ksoftirqd/1321:27:325
41083899945129,28cyclictest0-21swapper/1200:17:324
41083939944824,29cyclictest0-21swapper/1323:59:285
41083389944215,30cyclictest0-21swapper/020:10:150
4108384994400,439cyclictest0-21swapper/1121:08:163
41083429944016,30cyclictest34-21ksoftirqd/122:17:321
410838499439439,0cyclictest0-21swapper/1119:35:533
410838499439438,1cyclictest1818-21snmpd20:47:263
4108384994390,438cyclictest0-21swapper/1123:53:163
41083899943815,30cyclictest133-21ksoftirqd/1221:50:324
410838499438438,0cyclictest0-21swapper/1123:20:553
410839699436435,1cyclictest0-21swapper/1421:06:556
4108361994369,29cyclictest0-21swapper/620:41:5512
4108361994368,29cyclictest0-21swapper/600:01:5512
4108361994359,30cyclictest0-21swapper/623:35:1612
4108361994356,30cyclictest0-21swapper/622:28:5312
4108361994356,30cyclictest0-21swapper/622:28:5312
4108361994345,30cyclictest0-21swapper/623:44:1812
4108361994338,30cyclictest0-21swapper/620:23:5312
4108361994337,30cyclictest0-21swapper/622:18:1612
4108361994337,30cyclictest0-21swapper/619:33:1312
4108361994336,30cyclictest0-21swapper/623:19:1712
4108361994327,28cyclictest0-21swapper/623:24:1512
4108361994326,30cyclictest0-21swapper/623:01:1712
410833899432428,3cyclictest1818-21snmpd00:37:440
41084009943017,30cyclictest0-21swapper/1500:06:327
4108361994304,29cyclictest0-21swapper/620:32:1612
4108361994304,28cyclictest0-21swapper/623:26:1512
4108338994300,29cyclictest0-21swapper/023:25:540
4108389994294,30cyclictest133-21ksoftirqd/1221:37:324
4108369994290,3cyclictest0-21swapper/800:18:5314
4108380994280,426cyclictest0-21swapper/1022:17:042
4108400994277,29cyclictest0-21swapper/1521:47:327
41083939942426,397cyclictest0-21swapper/1300:20:535
41083939942425,399cyclictest0-21swapper/1323:04:555
4108393994240,28cyclictest0-21swapper/1319:09:565
4108389994230,29cyclictest0-21swapper/1219:35:324
410833899423423,0cyclictest148727-21kworker/0:2+pm00:17:440
41084009942226,396cyclictest0-21swapper/1521:33:177
41083479942223,398cyclictest0-21swapper/219:29:538
41083429942123,397cyclictest0-21swapper/123:38:151
41083389942020,397cyclictest0-21swapper/023:31:530
41083479941921,398cyclictest0-21swapper/222:04:558
4108342994197,411cyclictest0-21swapper/123:07:321
41083389941920,395cyclictest0-21swapper/022:24:160
41083389941919,396cyclictest0-21swapper/019:19:550
410838499418418,0cyclictest0-21swapper/1122:22:183
41083389941818,397cyclictest0-21swapper/022:44:140
410838499417417,0cyclictest0-21swapper/1120:42:553
410838499417417,0cyclictest0-21swapper/1119:52:143
410838499417417,0cyclictest0-21swapper/1100:07:143
4108384994170,416cyclictest0-21swapper/1123:41:163
41083619941716,0cyclictest0-21swapper/621:49:5312
410834799417414,3cyclictest4149290-21kworker/2:2+pm22:17:048
41083389941717,399cyclictest0-21swapper/020:59:550
410838499416416,0cyclictest0-21swapper/1123:27:553
410838499416416,0cyclictest0-21swapper/1121:20:543
4108353994160,29cyclictest0-21swapper/421:52:3210
41083389941615,397cyclictest0-21swapper/023:16:150
41083939941518,396cyclictest0-21swapper/1300:04:175
41083619941517,395cyclictest0-21swapper/600:34:5412
41083429941516,398cyclictest0-21swapper/119:24:551
41084009941321,391cyclictest0-21swapper/1523:56:327
41083939941316,396cyclictest0-21swapper/1321:10:175
41083939941316,396cyclictest0-21swapper/1320:23:165
41083939941315,397cyclictest0-21swapper/1323:46:535
41083939941315,397cyclictest0-21swapper/1321:21:545
41083429941316,396cyclictest0-21swapper/121:40:531
41083429941315,397cyclictest0-21swapper/122:59:531
41083939941215,396cyclictest0-21swapper/1320:31:535
41084009941120,390cyclictest0-21swapper/1519:48:327
41084009941120,390cyclictest0-21swapper/1519:48:327
41083939941113,397cyclictest0-21swapper/1323:50:175
41083939941113,397cyclictest0-21swapper/1320:45:555
41083939941113,397cyclictest0-21swapper/1320:00:165
410838999411409,2cyclictest1818-21snmpd22:17:044
41083939941012,397cyclictest0-21swapper/1321:48:535
41083939941012,397cyclictest0-21swapper/1319:47:165
41083939941012,397cyclictest0-21swapper/1319:47:165
410836699410407,3cyclictest136327-21kworker/u64:8+events_unbound23:41:3213
410835399410409,1cyclictest0-21swapper/400:21:3210
41083539941018,391cyclictest0-21swapper/420:05:3210
41083429941011,398cyclictest0-21swapper/100:11:541
4108393994099,399cyclictest0-21swapper/1322:10:145
41083939940913,395cyclictest0-21swapper/1322:21:145
41083939940912,396cyclictest0-21swapper/1321:04:145
41083939940912,396cyclictest0-21swapper/1320:08:555
41083939940911,397cyclictest0-21swapper/1321:50:135
41083939940911,397cyclictest0-21swapper/1321:38:145
41083939940911,397cyclictest0-21swapper/1320:44:155
41083939940911,397cyclictest0-21swapper/1319:15:565
41083939940911,397cyclictest0-21swapper/1300:18:535
4108361994099,397cyclictest0-21swapper/623:09:5412
4108349994099,399cyclictest0-21swapper/319:58:169
41083939940811,396cyclictest0-21swapper/1323:18:155
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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