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2024-11-04 - 09:02
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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 Mon Nov 04, 2024 00:46:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20511159956626,540cyclictest17-21ksoftirqd/000:32:430
20511389955621,44cyclictest0-21swapper/723:21:4513
2051148995538,45cyclictest0-21swapper/1023:25:462
20511699954125,515cyclictest0-21swapper/1522:52:197
20511699954125,515cyclictest0-21swapper/1522:52:197
2051143995380,40cyclictest0-21swapper/821:22:5814
20511289953839,498cyclictest0-21swapper/421:46:4310
20511289953234,498cyclictest0-21swapper/421:38:4210
20511389952628,1cyclictest0-21swapper/723:02:4213
20511629952528,497cyclictest0-21swapper/1322:12:335
20511629952526,499cyclictest0-21swapper/1320:12:545
2051135995256,514cyclictest0-21swapper/621:39:4412
20511159952411,15cyclictest221rcuc/019:10:220
20511159952411,15cyclictest221rcuc/019:10:220
20511489951544,469cyclictest0-21swapper/1023:12:432
20511699951416,498cyclictest0-21swapper/1520:23:437
20511489951415,498cyclictest0-21swapper/1022:51:202
20511489951415,498cyclictest0-21swapper/1022:51:202
20511489951414,498cyclictest0-21swapper/1020:40:592
20511699950941,468cyclictest0-21swapper/1520:59:207
20511629950822,485cyclictest0-21swapper/1320:08:205
205115199508506,2cyclictest0-21swapper/1121:57:583
20511699950550,454cyclictest0-21swapper/1520:00:237
2051169995049,29cyclictest0-21swapper/1522:15:447
20511629950439,465cyclictest0-21swapper/1322:31:435
20511359950369,422cyclictest2133284-21kworker/6:2+events20:54:4412
20511359950279,0cyclictest2094547-21kworker/6:1+events20:48:1912
20511359950180,421cyclictest2094547-21kworker/6:1+i915-unordered20:17:4412
2051125995012,0cyclictest0-21swapper/321:39:449
20511629949831,467cyclictest0-21swapper/1320:42:425
20511699949527,468cyclictest0-21swapper/1519:59:447
20511159949427,0cyclictest0-21swapper/021:16:430
20511159949224,468cyclictest0-21swapper/019:26:590
2051115994920,491cyclictest0-21swapper/023:21:440
205115899490489,1cyclictest2015812-21kworker/12:0+i915-unordered19:11:594
205115899490489,1cyclictest2015812-21kworker/12:0+i915-unordered19:11:594
20511489949022,467cyclictest0-21swapper/1019:22:452
205114399489488,1cyclictest2141044-21kworker/8:0+events21:08:4114
20511159948726,461cyclictest0-21swapper/021:01:590
20511629948646,439cyclictest0-21swapper/1323:28:445
20511359948620,28cyclictest0-21swapper/620:44:4412
205116999485485,0cyclictest2226085-21kworker/15:2+i915-unordered23:04:237
20511589948530,455cyclictest0-21swapper/1223:41:424
20511489948516,0cyclictest0-21swapper/1019:38:592
205116999484484,0cyclictest2276796-21kworker/15:2+events00:01:217
205116999484483,1cyclictest2117834-21kworker/15:1+i915-unordered21:00:207
205116299484454,30cyclictest0-21swapper/1322:08:425
20511489948315,468cyclictest0-21swapper/1019:40:202
205112299481480,1cyclictest2117576-21kworker/2:2+events20:33:438
20511629948045,424cyclictest2226254-21kworker/13:1+i915-unordered00:12:435
205115899480478,2cyclictest2082755-21kworker/12:2+i915-unordered19:48:594
205113899478477,1cyclictest2175978-21kworker/7:2+events22:52:1913
205113899478477,1cyclictest2175978-21kworker/7:2+events22:52:1913
20511629947713,27cyclictest141-21ksoftirqd/1323:34:445
205116999476475,1cyclictest2276796-21kworker/15:2+events00:30:217
2051138994766,0cyclictest0-21swapper/723:17:2213
20511359947621,0cyclictest0-21swapper/622:48:2012
20511629947510,27cyclictest141-21ksoftirqd/1323:21:445
205116999474474,0cyclictest2288455-21kworker/15:1+i915-unordered00:17:207
2051162994744,0cyclictest0-21swapper/1320:50:595
20511629947439,423cyclictest2226254-21kworker/13:1+events00:08:225
205114399474473,1cyclictest2071143-21kworker/8:1+events19:33:2114
20511359947418,455cyclictest0-21swapper/619:20:5912
205111599474474,0cyclictest0-21swapper/021:25:580
205111599473472,1cyclictest2016634-21kworker/0:0+i915-unordered21:22:590
205116999472472,0cyclictest2233179-21kworker/15:0+i915-unordered23:40:467
205113399472471,1cyclictest2191390-21kworker/5:0+events22:12:3311
20511629947135,436cyclictest0-21swapper/1300:34:195
2051158994710,470cyclictest0-21swapper/1219:38:584
205113599471471,0cyclictest2133284-21kworker/6:2+i915-unordered20:56:2112
205113399471470,1cyclictest2094484-21kworker/5:1+events20:12:5511
205112299471470,1cyclictest0-21swapper/221:31:228
2051115994710,470cyclictest0-21swapper/019:38:590
205116299470470,0cyclictest2226254-21kworker/13:1+i915-unordered00:22:445
2051151994700,469cyclictest0-21swapper/1119:38:583
20511359947032,437cyclictest0-21swapper/623:03:4312
20511359947031,439cyclictest0-21swapper/621:41:4312
20511359947031,438cyclictest0-21swapper/619:43:2012
205112299470470,0cyclictest2133109-21kworker/2:2+events23:32:218
205116999469469,0cyclictest2249549-21kworker/15:1+i915-unordered23:23:227
205116299469469,0cyclictest2296018-21kworker/13:2+i915-unordered00:25:535
205114899468468,0cyclictest0-21swapper/1019:18:542
205115899465465,0cyclictest2059365-21kworker/12:2+i915-unordered19:20:584
205116999464464,0cyclictest2233179-21kworker/15:0+i915-unordered23:10:597
205114599464463,1cyclictest2113731-21kworker/9:1+events21:11:2015
205113899463462,1cyclictest0-21swapper/723:27:2113
205112299463462,1cyclictest0-21swapper/219:34:218
205116299461461,0cyclictest0-21swapper/1322:23:405
20511359946122,0cyclictest0-21swapper/620:00:2412
205112599461461,0cyclictest0-21swapper/321:47:229
205113899460458,2cyclictest2109826-21kworker/7:1+events20:21:4313
205114899459459,0cyclictest0-21swapper/1020:31:442
2051135994594,454cyclictest0-21swapper/622:58:2012
2051135994594,454cyclictest0-21swapper/622:58:1912
205116299458458,0cyclictest0-21swapper/1322:00:225
20511359945819,438cyclictest0-21swapper/622:02:5912
20511629945732,424cyclictest0-21swapper/1321:59:235
205115899457456,1cyclictest2050903-21kworker/12:1+events19:15:214
20511359945718,0cyclictest0-21swapper/620:26:2212
205113899456455,1cyclictest0-21swapper/722:58:1913
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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