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2024-05-19 - 03:38
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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
Characteristics of the 50 highest latencies:
System rackcslot2.osadl.org (updated Sat May 18, 2024 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
246482710,1sleep10-21swapper/108:55:181
117912700,1sleep00-21swapper/012:10:100
1283126956,8sleep00-21swapper/007:01:310
1279126754,8sleep10-21swapper/107:01:051
13324991817,1cyclictest27959-21ls09:45:031
13324991716,1cyclictest21074-21ssh10:17:441
13324991715,1cyclictest2182-21ssh11:15:301
13324991715,1cyclictest11796-21ls10:05:111
13324991710,7cyclictest0-21swapper/110:35:111
13324991710,7cyclictest0-21swapper/109:52:561
13324991710,7cyclictest0-21swapper/107:32:291
13323991716,0cyclictest29848-21ssh09:07:000
13324991616,0cyclictest30620-21ssh11:52:421
13324991615,1cyclictest19686-21ssh09:35:021
13324991615,1cyclictest13342-21ssh09:26:221
13324991615,0cyclictest24-21ksoftirqd/112:14:471
13324991610,6cyclictest0-21swapper/107:37:301
13324991610,5cyclictest0-21swapper/109:33:171
13324991610,0cyclictest0-21swapper/108:22:371
13323991615,1cyclictest22605-21ssh11:42:010
13323991614,1cyclictest13766-21ls11:30:110
13323991611,4cyclictest30707-21kworker/0:110:10:330
13324991515,0cyclictest383-21ssh11:55:121
13324991515,0cyclictest23753-21ssh11:02:031
13324991515,0cyclictest11550-21ssh10:46:001
13324991515,0cyclictest0-21swapper/112:30:321
13324991515,0cyclictest0-21swapper/111:33:041
13324991515,0cyclictest0-21swapper/111:05:101
13324991515,0cyclictest0-21swapper/110:02:511
13324991514,1cyclictest4599-21ssh09:55:501
13324991514,0cyclictest24-21ksoftirqd/112:19:481
13324991512,2cyclictest23176-21apache210:40:551
13324991510,5cyclictest0-21swapper/111:37:341
13324991510,5cyclictest0-21swapper/108:50:091
13324991510,0cyclictest0-21swapper/111:23:121
13323991515,0cyclictest20591-21ssh12:22:230
13323991515,0cyclictest13183-21ssh10:07:280
13323991515,0cyclictest0-21swapper/012:17:010
13323991515,0cyclictest0-21swapper/011:06:310
13323991514,0cyclictest6282-21ssh10:40:040
13323991514,0cyclictest2146-21ssh09:12:460
13323991513,1cyclictest27066-21ssh12:30:240
13323991512,3cyclictest30707-21kworker/0:110:58:290
13323991512,2cyclictest23176-21apache209:51:480
13323991511,4cyclictest30707-21kworker/0:110:20:330
13323991511,3cyclictest30707-21kworker/0:110:35:210
13323991511,3cyclictest23183-21kworker/0:008:49:370
13323991510,4cyclictest14759-21kworker/0:207:16:330
2663921410,3sleep10-21swapper/111:47:051
13324991414,0cyclictest26219-21ssh09:43:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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