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2024-05-29 - 01:06
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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 Tue May 28, 2024 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
130191199832413,419cyclictest0-21swapper/900:26:1215
130190499822821,1cyclictest0-21swapper/723:59:5013
130189499773772,1cyclictest0-21swapper/400:14:1110
130190999748330,417cyclictest0-21swapper/823:28:1214
130188999635634,1cyclictest1300921-21kworker/2:0+events20:48:498
130189199626626,0cyclictest0-21swapper/322:55:129
130189199610610,0cyclictest0-21swapper/300:43:499
13018819960844,30cyclictest0-21swapper/022:14:490
130192899578578,0cyclictest0-21swapper/1301:47:125
130188499573573,0cyclictest0-21swapper/101:19:261
13019289956933,535cyclictest0-21swapper/1321:06:495
130188999563563,0cyclictest0-21swapper/221:10:128
130192499559559,0cyclictest0-21swapper/1222:55:504
1301891995598,550cyclictest0-21swapper/322:07:129
130192499553553,0cyclictest0-21swapper/1223:09:124
130192499553553,0cyclictest0-21swapper/1223:09:124
130192899548548,0cyclictest0-21swapper/1301:54:105
130192499548548,0cyclictest0-21swapper/1221:06:134
130192499546546,0cyclictest0-21swapper/1223:39:114
130188499546546,0cyclictest0-21swapper/123:28:481
1301930995449,534cyclictest0-21swapper/1423:56:116
13018949954235,504cyclictest0-21swapper/400:10:4910
13018819954067,473cyclictest0-21swapper/001:06:270
1301904995377,27cyclictest0-21swapper/700:49:1213
13019019953722,515cyclictest0-21swapper/601:39:2612
13018819953720,26cyclictest0-21swapper/021:43:120
13019049953616,519cyclictest0-21swapper/723:32:2313
130191199533532,1cyclictest1353420-21kworker/9:0+events21:31:1015
1301901995297,522cyclictest0-21swapper/621:02:2412
13018849952419,504cyclictest0-21swapper/122:35:271
130192899522522,0cyclictest0-21swapper/1321:31:485
13018819952218,503cyclictest0-21swapper/001:31:100
13019249952147,474cyclictest0-21swapper/1223:00:134
13019119952114,506cyclictest0-21swapper/900:31:5015
13019019952016,504cyclictest0-21swapper/600:41:2712
13018949952020,500cyclictest0-21swapper/401:03:2710
13019349951918,0cyclictest0-21swapper/1522:22:237
13018999951814,503cyclictest0-21swapper/501:19:1211
13018919951714,503cyclictest0-21swapper/301:48:109
130192899515514,1cyclictest1401860-21kworker/13:1+events23:54:495
130190499510510,0cyclictest0-21swapper/720:53:5113
13019049951018,491cyclictest0-21swapper/723:32:5013
1301899995105,0cyclictest0-21swapper/501:09:4811
130193099509507,1cyclictest0-21swapper/1422:09:276
130190499509509,0cyclictest0-21swapper/721:37:2313
1301904995092,507cyclictest0-21swapper/701:27:4813
1301899995096,502cyclictest0-21swapper/523:46:5011
1301934995077,26cyclictest0-21swapper/1522:11:277
130190999507506,1cyclictest1483996-21kworker/8:2+i915-unordered01:31:1114
130191699506506,0cyclictest1380383-21kworker/11:2+events22:07:123
130192899505504,1cyclictest0-21swapper/1300:57:505
1301884995050,504cyclictest0-21swapper/100:29:501
130192499504503,1cyclictest1434727-21kworker/12:1+events23:22:134
130193099502502,0cyclictest1317422-21kworker/14:2+i915-unordered21:35:276
130191199502502,0cyclictest1048513-21kworker/9:1+i915-unordered22:47:2315
1301911995020,501cyclictest0-21swapper/901:31:2615
13018949950218,483cyclictest0-21swapper/423:33:2710
1301894995020,501cyclictest0-21swapper/423:12:1110
1301894995020,501cyclictest0-21swapper/423:12:1110
130188499502502,0cyclictest1559507-21kworker/1:0+i915-unordered01:31:261
130190199501498,0cyclictest1334651-21kworker/6:2+i915-unordered23:56:1112
130189199501501,0cyclictest1272119-21kworker/3:1+i915-unordered21:01:279
130191699499499,0cyclictest0-21swapper/1121:34:273
130191699498497,1cyclictest0-21swapper/1101:35:263
130191199498497,1cyclictest0-21swapper/921:56:1015
13019049949825,29cyclictest0-21swapper/722:37:2313
130193499497495,2cyclictest1564003-21kworker/15:1+i915-unordered01:27:497
130192499497497,0cyclictest1465319-21kworker/12:2+i915-unordered23:34:494
130191699497496,1cyclictest1380383-21kworker/11:2+events23:35:503
130191199497497,0cyclictest0-21swapper/921:23:2715
130190999497496,1cyclictest1119359-21kworker/8:0+i915-unordered21:48:1214
130189499497496,1cyclictest0-21swapper/401:01:4810
130189199497497,0cyclictest0-21swapper/302:00:129
1301894994967,488cyclictest0-21swapper/421:09:1010
130193499495494,1cyclictest0-21swapper/1523:51:497
13019049949519,475cyclictest0-21swapper/723:49:2713
130189999495495,0cyclictest1201787-21kworker/5:2+events00:57:5011
130189999495494,1cyclictest1577255-21kworker/5:0+events01:47:1211
13018949949518,476cyclictest0-21swapper/421:01:1210
13018849949518,475cyclictest0-21swapper/122:21:501
13018819949520,474cyclictest0-21swapper/001:16:480
130191699494493,1cyclictest0-21swapper/1123:23:273
1301911994946,0cyclictest0-21swapper/922:23:2715
13018849949421,473cyclictest0-21swapper/122:47:231
13019049949318,0cyclictest0-21swapper/721:41:1313
1301891994934,0cyclictest0-21swapper/321:09:499
130193099492492,0cyclictest1317422-21kworker/14:2+i915-unordered21:41:276
130192499492491,1cyclictest1434727-21kworker/12:1+i915-unordered23:03:494
130192499492491,1cyclictest1434727-21kworker/12:1+i915-unordered23:03:494
130190199492492,0cyclictest0-21swapper/621:45:4912
130189999492492,0cyclictest1577255-21kworker/5:0+i915-unordered01:55:2611
13018999949218,0cyclictest0-21swapper/521:26:2711
130192499491491,0cyclictest1322183-21kworker/12:1+events21:09:104
13019249949016,0cyclictest0-21swapper/1200:56:274
13018899949016,473cyclictest0-21swapper/222:43:278
13018899949016,473cyclictest0-21swapper/221:20:118
13018899949016,0cyclictest0-21swapper/201:58:498
13018899949013,476cyclictest0-21swapper/200:23:118
13018899948915,473cyclictest0-21swapper/200:46:118
13018899948914,473cyclictest0-21swapper/222:48:508
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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