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2024-04-27 - 01:05
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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 Fri Apr 26, 2024 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1711626956,8sleep10-21swapper/107:00:161
1797926754,8sleep00-21swapper/007:01:020
114142580,2sleep11853999cyclictest08:10:071
32042220,2sleep1231ktimersoftd/109:10:121
213792180,0sleep00-21swapper/011:45:240
18539991810,7cyclictest4524-21ssh11:22:541
18539991717,0cyclictest8872-21ssh12:13:311
18539991713,3cyclictest16081-21pmu-power10:10:171
18539991710,1cyclictest0-21swapper/108:40:331
18539991710,1cyclictest0-21swapper/108:33:531
18539991710,1cyclictest0-21swapper/107:46:211
18538991716,1cyclictest8598-21ssh09:16:230
18539991616,0cyclictest15196-21ssh10:53:481
18539991615,0cyclictest23463-21taskset09:36:101
18539991612,3cyclictest0-21swapper/107:40:171
18539991610,6cyclictest0-21swapper/109:45:201
18539991610,1cyclictest0-21swapper/110:05:371
18539991610,1cyclictest0-21swapper/108:37:371
18538991610,6cyclictest0-21swapper/012:05:220
18538991610,6cyclictest0-21swapper/008:40:080
18539991515,0cyclictest4291-21apache_processe09:55:091
18539991515,0cyclictest21728-21ntp_states12:30:171
18539991515,0cyclictest10767-21ssh10:47:011
18539991515,0cyclictest0-21swapper/112:06:401
18539991515,0cyclictest0-21swapper/110:20:171
18539991515,0cyclictest0-21swapper/109:50:161
18539991515,0cyclictest0-21swapper/108:45:181
18539991515,0cyclictest0-21swapper/107:22:561
18539991514,1cyclictest8192-21ssh09:15:291
18539991514,1cyclictest25541-21ssh11:07:091
18539991510,5cyclictest0-21swapper/111:53:171
18539991510,5cyclictest0-21swapper/111:16:411
18539991510,5cyclictest0-21swapper/109:27:131
18539991510,5cyclictest0-21swapper/109:21:271
18539991510,5cyclictest0-21swapper/108:06:361
18539991510,5cyclictest0-21swapper/107:10:411
18539991510,4cyclictest0-21swapper/112:25:571
18539991510,1cyclictest0-21swapper/112:01:331
18539991510,1cyclictest0-21swapper/111:37:531
18539991510,1cyclictest0-21swapper/107:37:371
18539991510,0cyclictest0-21swapper/112:20:521
18539991510,0cyclictest0-21swapper/108:25:191
18538991515,0cyclictest0-21swapper/011:03:380
18538991515,0cyclictest0-21swapper/011:03:380
18538991515,0cyclictest0-21swapper/010:36:150
18538991514,1cyclictest14224-21ssh11:35:270
18538991511,4cyclictest8706-21kworker/0:212:01:350
18538991511,4cyclictest28427-21kworker/0:107:45:510
18538991511,4cyclictest28427-21kworker/0:107:41:310
18538991511,3cyclictest28427-21kworker/0:108:27:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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