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2024-12-09 - 17:50
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackaslot8.osadl.org (updated Mon Dec 09, 2024 12:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
281942314282,20sleep20-21swapper/207:09:182
278972276216,18sleep10-21swapper/107:05:351
280062263229,22sleep30-21swapper/307:06:513
279662261227,22sleep00-21swapper/007:06:180
248352580,0sleep10-21swapper/112:05:131
291152560,0sleep20-21swapper/212:30:002
271712540,0sleep20-21swapper/211:45:232
318202290,0sleep30-21swapper/312:09:543
7672210,0sleep00-21swapper/011:07:140
214042190,0sleep00-21swapper/010:58:490
71752180,0sleep30-21swapper/307:30:203
43542150,0sleep00-21swapper/010:20:360
99142130,0sleep30-21swapper/309:59:243
59602130,0sleep10-21swapper/112:35:151
34382130,1sleep20-21swapper/207:25:122
281662130,0sleep20-21swapper/211:25:252
28354991110,1cyclictest12-21ksoftirqd/011:45:000
2835499109,1cyclictest12-21ksoftirqd/012:00:010
2835499109,1cyclictest12-21ksoftirqd/011:10:000
2835499102,5cyclictest12-21ksoftirqd/009:54:260
2835499101,4cyclictest0-21swapper/009:38:000
283659996,2cyclictest10058-21sed07:40:013
283659994,3cyclictest19982-21systemd-journal10:01:353
283639994,3cyclictest19982-21systemd-journal09:25:002
283589998,1cyclictest22-21ksoftirqd/110:15:021
283589994,3cyclictest19982-21systemd-journal08:38:581
283549998,1cyclictest12-21ksoftirqd/007:40:000
283549994,3cyclictest19982-21systemd-journal09:08:360
283549994,3cyclictest19982-21systemd-journal08:43:080
283549994,3cyclictest19982-21systemd-journal08:30:370
283549994,3cyclictest19982-21systemd-journal08:27:170
283549992,5cyclictest12-21ksoftirqd/011:00:560
283549992,4cyclictest0-21swapper/012:25:050
283549992,4cyclictest0-21swapper/010:25:570
283659984,3cyclictest508-21dbus-daemon12:17:353
283659983,3cyclictest19982-21systemd-journal12:37:373
283659983,3cyclictest19982-21systemd-journal12:33:393
283659983,3cyclictest19982-21systemd-journal11:49:563
283659983,3cyclictest19982-21systemd-journal11:30:273
283659983,3cyclictest19982-21systemd-journal10:11:113
283659983,3cyclictest19982-21systemd-journal09:28:123
283659983,3cyclictest19982-21systemd-journal09:20:413
283589984,3cyclictest508-21dbus-daemon12:19:411
283589984,3cyclictest19982-21systemd-journal11:44:391
283589984,2cyclictest19982-21systemd-journal08:55:001
283589983,3cyclictest19982-21systemd-journal11:15:011
283589983,3cyclictest19982-21systemd-journal07:31:241
283549987,1cyclictest12-21ksoftirqd/008:20:010
283549987,1cyclictest12-21ksoftirqd/008:20:000
283549982,4cyclictest23536-1kworker/u9:009:11:560
283549982,4cyclictest12-21ksoftirqd/012:20:190
283549982,4cyclictest12-21ksoftirqd/012:16:290
283549982,4cyclictest12-21ksoftirqd/012:06:490
283549982,4cyclictest12-21ksoftirqd/012:00:540
283549982,4cyclictest12-21ksoftirqd/012:00:540
283549982,4cyclictest12-21ksoftirqd/011:52:400
283549982,4cyclictest12-21ksoftirqd/011:47:430
283549982,4cyclictest12-21ksoftirqd/011:35:100
283549982,4cyclictest12-21ksoftirqd/010:46:240
283549982,4cyclictest12-21ksoftirqd/010:42:150
283549982,4cyclictest12-21ksoftirqd/010:35:210
283549982,4cyclictest12-21ksoftirqd/010:14:030
283549982,4cyclictest12-21ksoftirqd/009:59:490
283549982,4cyclictest12-21ksoftirqd/009:44:240
283549982,4cyclictest12-21ksoftirqd/009:30:480
283549982,4cyclictest12-21ksoftirqd/009:20:320
283549982,4cyclictest12-21ksoftirqd/009:16:120
283549982,4cyclictest0-21swapper/012:34:080
283549982,4cyclictest0-21swapper/010:51:040
283549982,3cyclictest508-21dbus-daemon11:30:000
283549982,3cyclictest12-21ksoftirqd/010:17:250
283549981,5cyclictest12-21ksoftirqd/011:21:430
283549981,4cyclictest12-21ksoftirqd/011:16:230
283549981,4cyclictest0-21swapper/011:32:190
283549981,3cyclictest12-21ksoftirqd/009:28:150
283549980,6cyclictest19982-21systemd-journal07:10:410
283549980,5cyclictest12-21ksoftirqd/010:06:590
283549980,2cyclictest25557-21cron08:15:010
9585270,0sleep20-21swapper/210:25:152
283659973,3cyclictest19982-21systemd-journal11:53:413
283659973,3cyclictest19982-21systemd-journal10:45:493
283659973,3cyclictest1-21systemd12:02:343
283659973,3cyclictest1-21systemd12:02:343
283659973,3cyclictest0-21swapper/312:10:533
283659973,1cyclictest0-21swapper/310:52:143
283659973,1cyclictest0-21swapper/309:54:343
283659972,3cyclictest19982-21systemd-journal10:34:083
283659972,3cyclictest19982-21systemd-journal09:38:383
283659971,4cyclictest19982-21systemd-journal10:40:243
283659970,6cyclictest1198-21cron11:30:003
283659970,4cyclictest19982-21systemd-journal11:36:183
283659970,4cyclictest19982-21systemd-journal10:08:413
283659970,4cyclictest19982-21systemd-journal09:42:503
283639976,1cyclictest6874-21ssh09:29:202
283639975,1cyclictest18589-21ssh10:55:492
283639974,2cyclictest508-21dbus-daemon11:30:532
283639974,2cyclictest508-21dbus-daemon07:47:392
283639973,3cyclictest6644-21ntp_states07:30:192
283639973,3cyclictest508-21dbus-daemon11:41:432
283639973,3cyclictest30654-21snmpd12:24:262
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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