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2024-04-24 - 08:00
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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 rack0slot6.osadl.org (updated Wed Apr 24, 2024 00:46:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9211389958316,45cyclictest0-21swapper/519:37:2211
9211679957511,44cyclictest0-21swapper/1321:53:445
9211639957353,0cyclictest0-21swapper/1222:41:224
9211289956364,499cyclictest0-21swapper/220:30:458
9211389955411,43cyclictest0-21swapper/520:47:2211
92114499553114,430cyclictest1023033-21kworker/7:0+i915-unordered21:21:2113
9211289955332,521cyclictest0-21swapper/223:17:438
9211429955248,504cyclictest0-21swapper/600:08:2212
9211679954827,520cyclictest0-21swapper/1322:03:445
9211729954525,1cyclictest0-21swapper/1419:36:436
9211449954498,445cyclictest1158971-21kworker/7:1+events00:25:4313
9211389954223,519cyclictest0-21swapper/519:33:4211
9211449954035,0cyclictest0-21swapper/721:51:2213
9211639953819,519cyclictest0-21swapper/1222:24:444
9211229953863,475cyclictest181ktimers/020:01:210
9211679953513,520cyclictest0-21swapper/1323:12:215
9211229953529,506cyclictest0-21swapper/020:24:220
921172995278,517cyclictest0-21swapper/1421:01:226
9211729952728,497cyclictest0-21swapper/1421:58:206
9211389952736,489cyclictest0-21swapper/521:18:4211
9211389952721,504cyclictest0-21swapper/520:41:4311
92113499527526,1cyclictest0-21swapper/423:32:4610
92113899524517,4cyclictest831628-21kworker/5:1+i915-unordered21:53:4311
9211429952333,490cyclictest0-21swapper/622:02:2012
9211389952353,470cyclictest0-21swapper/519:40:2311
9211229952226,496cyclictest0-21swapper/020:09:230
92113899520520,0cyclictest831628-21kworker/5:1+events22:03:4411
92113499520518,2cyclictest1081170-21kworker/4:0+i915-unordered22:32:2210
92116399519517,2cyclictest1065673-21kworker/12:0+i915-unordered22:38:594
92116399517516,1cyclictest1007622-21kworker/12:2+events21:51:224
92117299515485,30cyclictest0-21swapper/1420:57:436
9211449951524,44cyclictest0-21swapper/719:33:4313
921144995119,27cyclictest0-21swapper/720:52:2213
92112299509480,29cyclictest0-21swapper/021:28:190
92116799506505,1cyclictest941708-21kworker/13:1+events21:05:215
92113899506505,1cyclictest1050236-21kworker/5:2+events23:12:2011
92116399505475,30cyclictest0-21swapper/1222:32:224
921144995043,42cyclictest0-21swapper/723:54:4413
921144995030,27cyclictest0-21swapper/700:07:5913
9211449950124,476cyclictest0-21swapper/722:02:2013
92114299501501,0cyclictest803826-21kworker/6:2+i915-unordered19:36:4312
9211449949937,460cyclictest0-21swapper/721:42:5913
92114299497496,1cyclictest803826-21kworker/6:2+events21:01:2212
921142994960,490cyclictest0-21swapper/621:18:4312
9211449949514,27cyclictest0-21swapper/719:42:2013
92113299495493,2cyclictest932063-21kworker/3:0+i915-unordered20:44:439
9211449949434,459cyclictest0-21swapper/723:38:2013
9211449949432,461cyclictest0-21swapper/720:41:4313
9211449949112,478cyclictest0-21swapper/719:37:2313
92117299490490,0cyclictest953258-21kworker/14:2+events19:47:416
921172994900,1cyclictest0-21swapper/1400:31:216
9211449948929,0cyclictest0-21swapper/722:39:2113
92117299486485,1cyclictest0-21swapper/1423:08:436
92116799485484,1cyclictest0-21swapper/1300:22:215
92117299484483,1cyclictest1061937-21kworker/14:1+i915-unordered22:11:206
9211449948224,0cyclictest0-21swapper/720:58:4413
92114299481480,1cyclictest1054037-21kworker/6:0+events21:58:2012
92114899480480,0cyclictest1019064-21kworker/8:2+i915-unordered21:24:4514
92117499477476,1cyclictest66850irq/164-i91522:44:237
92113899477476,1cyclictest0-21swapper/500:18:2211
921144994760,475cyclictest0-21swapper/720:13:4513
9211449947514,461cyclictest0-21swapper/721:58:4213
92115899474474,0cyclictest988125-21kworker/11:0+i915-unordered20:52:223
92114899473472,1cyclictest1026907-21kworker/8:1+events21:25:4514
921142994735,0cyclictest0-21swapper/619:42:2012
92113899472444,0cyclictest0-21swapper/521:11:2211
92113299472471,1cyclictest0-21swapper/321:42:589
92117299471471,0cyclictest1003904-21kworker/14:2+events00:08:216
92113499471441,30cyclictest0-21swapper/420:13:4410
92117499470470,0cyclictest66850irq/164-i91523:42:437
92115899468468,0cyclictest933156-21kworker/11:2+i915-unordered20:26:433
921144994685,462cyclictest0-21swapper/721:46:2313
921144994675,461cyclictest0-21swapper/720:46:5813
92113899465464,1cyclictest1050236-21kworker/5:2+i915-unordered23:50:4411
9211429946421,29cyclictest0-21swapper/600:33:4212
92116799463461,0cyclictest915662-21kworker/13:0+i915-unordered19:32:585
92117499462457,2cyclictest66850irq/164-i91521:53:437
92113299462433,29cyclictest0-21swapper/320:36:469
92116399461460,1cyclictest1065673-21kworker/12:0+i915-unordered22:46:454
92116399461459,2cyclictest972579-21kworker/12:1+events20:13:444
92114499461460,1cyclictest0-21swapper/720:39:2113
92114899460460,0cyclictest965034-21kworker/8:0+i915-unordered20:06:4514
921144994600,460cyclictest0-21swapper/723:55:2313
92117499459458,1cyclictest66850irq/164-i91523:50:447
92114299459458,1cyclictest0-21swapper/622:09:2312
92113299459459,0cyclictest0-21swapper/320:52:229
92117499458458,0cyclictest66850irq/164-i91522:03:437
92117499457456,1cyclictest66850irq/164-i91521:30:587
92117499457456,1cyclictest66850irq/164-i91521:30:587
92116799457455,2cyclictest941708-21kworker/13:1+i915-unordered20:58:445
92115899457456,1cyclictest1034700-21kworker/11:1+i915-unordered21:42:583
92114299456456,0cyclictest803826-21kworker/6:2+events20:59:2212
92117499455455,0cyclictest66850irq/164-i91522:37:437
92113299455455,0cyclictest1127950-21kworker/3:1+i915-unordered23:38:219
921144994540,454cyclictest0-21swapper/721:33:4513
921144994540,454cyclictest0-21swapper/721:33:4513
92117499453452,1cyclictest66850irq/164-i91521:23:447
92117499452452,0cyclictest66850irq/164-i91520:33:437
92115399452451,1cyclictest1115986-21kworker/10:1+i915-unordered23:16:212
92113299452452,0cyclictest0-21swapper/320:26:439
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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