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2023-10-03 - 23:12
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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 rack6slot7.osadl.org (updated Tue Oct 03, 2023 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2252021510,0sleep022517-21ls09:14:230
1053821320,0sleep110537-21ssh11:39:311
263552820,0sleep00-21swapper/009:59:170
82342710,1sleep00-21swapper/009:36:460
3080599695,62cyclictest0-21swapper/112:26:561
3080599685,62cyclictest0-21swapper/109:33:561
3080599673,63cyclictest0-21swapper/109:52:561
30804996762,4cyclictest1389-21rpc.gssd09:44:560
30804996758,7cyclictest24909-21munin-run11:18:580
3080599664,61cyclictest0-21swapper/112:16:551
3080599664,61cyclictest0-21swapper/111:58:561
3080599664,61cyclictest0-21swapper/111:09:551
3080599664,61cyclictest0-21swapper/110:47:561
3080599663,62cyclictest0-21swapper/112:05:551
3080599663,62cyclictest0-21swapper/111:59:571
3080599663,62cyclictest0-21swapper/111:45:561
3080599663,62cyclictest0-21swapper/111:29:571
3080599663,62cyclictest0-21swapper/111:18:581
3080599663,62cyclictest0-21swapper/109:59:581
3080599663,62cyclictest0-21swapper/109:01:561
3080499663,61cyclictest20884-21ssh11:13:570
3080499663,61cyclictest1289-21NetworkManager07:42:590
251002660,0sleep125101-21sh09:58:201
3080599654,60cyclictest0-21swapper/110:09:581
3080599654,60cyclictest0-21swapper/109:14:581
3080599653,61cyclictest0-21swapper/111:26:561
3080599653,61cyclictest0-21swapper/110:30:551
3080599653,61cyclictest0-21swapper/110:27:581
3080599653,61cyclictest0-21swapper/110:19:561
3080599653,61cyclictest0-21swapper/109:47:561
3080599653,61cyclictest0-21swapper/109:19:561
3080599653,61cyclictest0-21swapper/107:51:581
3080599653,61cyclictest0-21swapper/107:37:581
30804996561,3cyclictest1706-21runrttasks07:56:580
30804996560,4cyclictest1305-21wpa_supplicant11:24:580
30804996560,4cyclictest1289-21NetworkManager10:18:580
30804996560,4cyclictest0-21swapper/011:41:580
30804996560,4cyclictest0-21swapper/011:23:560
30804996559,4cyclictest1289-21NetworkManager10:10:590
30804996559,4cyclictest0-21swapper/012:30:570
30804996558,6cyclictest1706-21runrttasks08:22:570
30804996558,6cyclictest1289-21NetworkManager09:40:590
30804996542,21cyclictest0-21swapper/012:08:580
30804996532,31cyclictest17173-21diskmemload12:09:580
3080499653,61cyclictest0-21swapper/011:57:570
3080499653,60cyclictest1289-21NetworkManager12:15:580
3080499653,60cyclictest1289-21NetworkManager09:54:590
30805996462,1cyclictest0-21swapper/112:22:551
30805996459,4cyclictest0-21swapper/109:13:561
30805996459,3cyclictest3436-21ssh12:11:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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