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2024-04-15 - 18:53
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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: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Mon Apr 15, 2024 12:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
267062114104,7sleep10-21swapper/107:07:311
267002111102,6sleep00-21swapper/007:07:260
266712111102,6sleep30-21swapper/307:07:053
26675210797,7sleep20-21swapper/207:07:082
26732910,0sleep02671-21ssh10:09:530
8222750,0sleep30-21swapper/307:40:123
252712720,0sleep1211ktimersoftd/108:00:121
246992700,0sleep20-21swapper/210:35:152
18962680,1sleep30-21swapper/310:25:143
297792660,0sleep30-21swapper/308:30:223
275442650,1sleep30-21swapper/311:41:493
274212640,1sleep10-21swapper/111:25:571
277332630,0sleep20-21swapper/210:55:092
65942590,0sleep30-21swapper/307:15:173
20372590,2sleep120-21rcuc/109:36:251
145212570,0sleep014522-21ssh12:07:530
214612560,0sleep30-21swapper/309:30:143
109602550,0sleep00-21swapper/011:35:130
26592540,0sleep12662-21kthreadcore11:45:161
115102430,0sleep211516-21kthreadcore10:45:162
2707699327,1cyclictest0-21swapper/210:34:082
2707699310,3cyclictest0-21swapper/212:05:382
2707699306,1cyclictest0-21swapper/211:48:142
2707699303,15cyclictest24867-21kworker/2:009:13:162
2707699301,2cyclictest15553-21cut11:20:152
2707699300,3cyclictest0-21swapper/211:53:392
27076992916,12cyclictest0-21swapper/211:36:382
2707699290,2cyclictest0-21swapper/211:44:522
2707699290,14cyclictest0-21swapper/211:27:422
2707699282,16cyclictest27160-21kworker/2:212:20:422
2707699282,15cyclictest24867-21kworker/2:009:19:502
2707699282,15cyclictest24867-21kworker/2:009:19:502
2707699282,15cyclictest0-21swapper/210:05:352
27076992818,8cyclictest10272-21snmpd10:55:002
27076992817,5cyclictest0-21swapper/212:16:282
2707699281,25cyclictest6650-21apt-get07:45:072
2707699280,27cyclictest0-21swapper/208:35:232
2707699280,25cyclictest0-21swapper/211:03:252
2707699280,17cyclictest0-21swapper/211:56:022
2707699280,16cyclictest0-21swapper/211:31:122
2707699280,15cyclictest27160-21kworker/2:212:11:232
27076992714,11cyclictest0-21swapper/210:20:442
27076992714,11cyclictest0-21swapper/209:51:202
2707699271,15cyclictest24867-21kworker/2:009:31:212
2707699270,3cyclictest0-21swapper/208:00:072
2707699270,24cyclictest0-21swapper/209:43:052
2707699270,1cyclictest24880-21kworker/2:110:40:012
2707699270,15cyclictest24880-21kworker/2:110:13:302
2707699270,15cyclictest0-21swapper/211:19:442
2707699270,10cyclictest0-21swapper/209:56:172
2707399270,26cyclictest0-21swapper/112:15:501
2707399270,26cyclictest0-21swapper/110:45:031
2707399270,26cyclictest0-21swapper/109:57:091
2707399270,26cyclictest0-21swapper/107:56:431
2706899270,26cyclictest0-21swapper/008:07:370
2707699268,13cyclictest0-21swapper/212:33:152
27076992619,6cyclictest10272-21snmpd07:43:062
2707699260,2cyclictest19999-21sed07:55:212
2707399260,25cyclictest0-21swapper/110:13:541
2707399260,25cyclictest0-21swapper/108:24:341
2707399260,25cyclictest0-21swapper/108:10:471
2707399260,25cyclictest0-21swapper/107:22:521
2707399260,18cyclictest2493-21tr11:30:161
27076992518,6cyclictest10272-21snmpd08:24:192
27076992518,6cyclictest10272-21snmpd07:22:182
27076992514,4cyclictest0-21swapper/211:05:152
2707699251,18cyclictest0-21swapper/209:25:162
2707699251,17cyclictest0-21swapper/212:36:062
2707699251,15cyclictest0-21swapper/210:00:052
2707699250,3cyclictest0-21swapper/209:35:442
2707699250,24cyclictest0-21swapper/210:16:312
2707699250,15cyclictest0-21swapper/208:55:252
2707399251,23cyclictest0-21swapper/111:13:431
2707699244,7cyclictest0-21swapper/209:24:252
2707699242,7cyclictest9621-21date09:10:002
2707699241,8cyclictest29060-21/usr/sbin/munin11:10:182
27076992418,5cyclictest10272-21snmpd08:19:522
27076992418,5cyclictest10272-21snmpd07:10:032
27076992416,7cyclictest10272-21snmpd09:04:352
2707699240,11cyclictest0-21swapper/209:47:122
2707699240,10cyclictest0-21swapper/212:26:512
2707699240,10cyclictest0-21swapper/212:26:502
2707399241,17cyclictest0-21swapper/109:32:211
27068992410,3cyclictest0-21swapper/012:16:120
2706899240,23cyclictest0-21swapper/011:10:390
27076992316,6cyclictest10272-21snmpd08:50:192
2707699231,21cyclictest0-21swapper/208:12:412
2707699231,15cyclictest0-21swapper/212:00:082
2707699230,3cyclictest0-21swapper/210:25:232
2707699230,1cyclictest0-21swapper/208:05:552
27073992319,3cyclictest0-21swapper/111:40:031
27073992317,6cyclictest0-21swapper/112:25:021
27073992317,6cyclictest0-21swapper/112:25:011
2707399231,16cyclictest0-21swapper/111:01:461
2707399231,16cyclictest0-21swapper/110:59:451
2707399230,22cyclictest0-21swapper/112:20:221
2707399230,22cyclictest0-21swapper/111:52:591
2707399230,22cyclictest0-21swapper/109:42:301
2706899230,22cyclictest0-21swapper/012:22:290
2706899230,21cyclictest0-21swapper/007:25:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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