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2026-05-02 - 04:59
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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 Sat May 02, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20105499551550,1cyclictest282147-21kworker/6:2+i915-unordered20:50:3712
2010349954622,520cyclictest0-21swapper/121:30:371
20105499540510,30cyclictest0-21swapper/623:06:3712
201085995320,528cyclictest0-21swapper/1319:15:375
20106599517515,2cyclictest0-21swapper/922:06:3715
20104299498497,1cyclictest278263-21kworker/3:2+i915-unordered21:16:379
201038994939,483cyclictest0-21swapper/221:47:378
2010349949215,60cyclictest0-21swapper/120:06:221
201076994910,490cyclictest0-21swapper/1123:32:373
20103299489430,30cyclictest0-21swapper/023:54:580
20103299489430,30cyclictest0-21swapper/023:54:580
2010329948321,462cyclictest0-21swapper/020:54:370
201034994781,58cyclictest0-21swapper/123:37:591
201076994770,57cyclictest0-21swapper/1121:05:193
201076994770,57cyclictest0-21swapper/1121:05:193
2010809947627,29cyclictest0-21swapper/1200:10:204
2010329947621,454cyclictest0-21swapper/023:52:370
2010329947621,454cyclictest0-21swapper/023:52:370
20104299473471,2cyclictest278263-21kworker/3:2+i915-unordered21:11:379
20104299473471,2cyclictest278263-21kworker/3:2+i915-unordered21:11:379
2010349947325,29cyclictest0-21swapper/120:50:191
2010859947124,29cyclictest0-21swapper/1323:13:005
2010769947124,29cyclictest0-21swapper/1121:16:373
2010349947022,29cyclictest0-21swapper/123:49:581
2010349947022,29cyclictest0-21swapper/123:49:581
201032994697,460cyclictest0-21swapper/022:06:370
2010809946719,30cyclictest0-21swapper/1220:32:234
2010549946620,29cyclictest79-21ksoftirqd/621:21:3712
2010329946423,30cyclictest0-21swapper/022:02:210
2010329946420,29cyclictest0-21swapper/022:45:190
2010769946315,29cyclictest0-21swapper/1121:54:203
2010549946317,30cyclictest0-21swapper/621:26:3712
20106599461459,1cyclictest314320-21kworker/9:0+i915-unordered21:30:3715
20103299461460,1cyclictest0-21swapper/020:50:370
2010389946017,30cyclictest0-21swapper/222:15:378
20109399457456,1cyclictest0-21swapper/1522:35:377
20106299457456,1cyclictest69750irq/159-i91521:30:3714
201080994564,30cyclictest0-21swapper/1222:50:594
2010329945415,438cyclictest0-21swapper/019:30:370
20103299452451,1cyclictest0-21swapper/021:16:370
20103299452450,2cyclictest0-21swapper/023:06:370
2010769945126,29cyclictest0-21swapper/1100:20:593
201076994501,29cyclictest0-21swapper/1121:24:213
2010349945021,30cyclictest0-21swapper/122:44:211
201034994501,29cyclictest0-21swapper/122:26:591
201042994490,448cyclictest0-21swapper/322:20:379
2010329944924,29cyclictest0-21swapper/023:00:220
2010349944823,29cyclictest0-21swapper/123:32:201
2010349944823,29cyclictest0-21swapper/123:23:001
20103299448446,2cyclictest0-21swapper/019:15:370
2010709944726,420cyclictest0-21swapper/1023:43:222
20104699447446,1cyclictest0-21swapper/420:29:4910
20103499447445,1cyclictest285978-21kworker/1:6+events21:06:221
20103499447445,1cyclictest285978-21kworker/1:6+events21:06:221
201034994470,30cyclictest0-21swapper/120:48:211
2010769944624,419cyclictest0-21swapper/1123:34:583
2010769944624,30cyclictest0-21swapper/1123:51:013
2010769944624,30cyclictest0-21swapper/1123:51:013
2010709944624,421cyclictest0-21swapper/1023:51:222
2010709944624,421cyclictest0-21swapper/1023:51:222
2010579944624,421cyclictest0-21swapper/721:36:2213
20103499446445,1cyclictest274230-21kworker/1:0+i915-unordered22:06:371
2010769944524,418cyclictest0-21swapper/1122:24:243
2010769944523,419cyclictest0-21swapper/1122:04:213
2010769944522,421cyclictest0-21swapper/1122:01:223
2010769944517,30cyclictest0-21swapper/1122:54:193
2010769944417,30cyclictest0-21swapper/1100:29:583
2010579944424,419cyclictest0-21swapper/720:18:0013
2010389944425,418cyclictest0-21swapper/220:28:598
20103299444443,1cyclictest0-21swapper/021:47:370
201032994442,441cyclictest0-21swapper/022:31:370
2010549944323,418cyclictest0-21swapper/620:53:5912
20104299443442,1cyclictest0-21swapper/322:31:379
2010429944325,417cyclictest0-21swapper/300:10:379
2010389944321,29cyclictest0-21swapper/223:31:378
20108899442440,2cyclictest0-21swapper/1420:54:376
201088994420,30cyclictest0-21swapper/1423:49:376
201088994420,30cyclictest0-21swapper/1423:49:376
2010859944223,417cyclictest0-21swapper/1320:32:585
2010769944221,419cyclictest0-21swapper/1122:16:193
2010709944221,420cyclictest0-21swapper/1020:30:212
2010549944221,420cyclictest0-21swapper/621:03:5812
2010549944221,420cyclictest0-21swapper/621:03:5812
2010389944223,418cyclictest0-21swapper/220:25:208
2010389944221,30cyclictest0-21swapper/223:27:378
2010939944120,418cyclictest0-21swapper/1521:09:007
2010939944120,418cyclictest0-21swapper/1521:09:007
2010709944121,417cyclictest0-21swapper/1020:59:222
2010709944120,420cyclictest0-21swapper/1021:17:212
2010709944120,419cyclictest0-21swapper/1023:11:192
2010709944120,419cyclictest0-21swapper/1000:00:582
2010709944118,422cyclictest0-21swapper/1022:29:592
20103299441440,1cyclictest0-21swapper/021:11:370
20103299441440,1cyclictest0-21swapper/021:11:370
2010329944123,416cyclictest0-21swapper/020:15:210
20108899440438,2cyclictest386595-21kworker/14:0+i915-unordered23:06:376
2010709944019,419cyclictest0-21swapper/1022:09:202
2010709944019,419cyclictest0-21swapper/1021:44:212
2010659944024,415cyclictest0-21swapper/920:41:3715
20105199440436,4cyclictest1818-21snmpd23:54:1011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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