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2023-09-22 - 07:48
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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 a total of 2 SMIs that occured during the measurement.
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 50 highest latencies:
System rack8slot2.osadl.org (updated Fri Sep 22, 2023 00:43:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10739210845,32sleep00-21swapper/019:11:020
10627210641,32sleep10-21swapper/119:09:341
1106699104100,1cyclictest0-21swapper/319:11:433
1106599102100,1cyclictest0-21swapper/219:11:432
51432930,0sleep00-21swapper/000:36:530
1050328947,31sleep30-21swapper/319:08:003
1044228945,32sleep20-21swapper/219:07:102
152672860,0sleep30-21swapper/323:41:173
163522850,0sleep00-21swapper/022:36:130
23602820,0sleep30-21swapper/323:59:333
11064998274,7cyclictest0-21swapper/119:11:431
11066997572,2cyclictest21616-21strings19:32:023
11065997472,1cyclictest0-21swapper/219:32:022
11064995446,7cyclictest21617-21grep19:32:021
31782330,1sleep012-21ksoftirqd/021:47:590
1106499270,26cyclictest0-21swapper/100:36:541
59512250,1sleep30-21swapper/323:31:553
46482240,1sleep30-21swapper/300:02:013
1106599241,22cyclictest0-21swapper/223:41:572
259922230,1chrt0-21swapper/100:24:001
1106399236,10cyclictest27706-21basename21:01:370
1106699221,1cyclictest0-21swapper/319:46:563
1106699220,1cyclictest0-21swapper/322:31:573
327222210,0sleep00-21swapper/021:46:070
16892200,0sleep00-21swapper/023:58:340
225282190,0sleep20-21swapper/200:21:122
1106399195,7cyclictest27605-21perf00:26:370
1106399188,5cyclictest12-21ksoftirqd/023:55:540
1106399188,5cyclictest12-21ksoftirqd/023:55:540
1106699161,14cyclictest0-21swapper/319:41:553
11065991614,1cyclictest0-21swapper/221:51:542
1106399169,6cyclictest18454-21kworker/0:223:12:250
1106399165,2cyclictest141rcu_preempt21:35:520
1106399163,4cyclictest141rcu_preempt22:20:000
1106399162,5cyclictest141rcu_preempt23:01:580
1106399160,9cyclictest4501-21perf21:16:360
1106699151,9cyclictest22325-21memory20:47:033
1106599153,7cyclictest11973-21ssh21:23:102
1106399155,7cyclictest22729-21ssh22:08:110
1106399154,3cyclictest141rcu_preempt23:50:100
1106399154,2cyclictest141rcu_preempt23:08:300
1106399154,2cyclictest141rcu_preempt21:01:440
1106399153,5cyclictest141rcu_preempt21:37:480
1106399153,4cyclictest141rcu_preempt21:19:360
1106399153,1cyclictest141rcu_preempt00:30:160
1106399151,8cyclictest10241-21perf21:56:360
1106399150,8cyclictest20013-21perf22:06:360
11066991410,3cyclictest38250irq/33-enp3s0-r00:06:563
1106599149,3cyclictest24271-21grep23:17:012
1106599148,1cyclictest0-21swapper/219:18:422
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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