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2023-12-09 - 00:35
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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 rackeslot5.osadl.org (updated Fri Dec 08, 2023 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3231699320,31cyclictest0-21swapper/311:43:513
3230699321,30cyclictest1129-21swap12:05:270
3231699310,30cyclictest24223-21diskmemload10:45:233
3231399310,30cyclictest0-21swapper/210:16:322
3231199310,30cyclictest9534-21/usr/sbin/munin12:15:301
3231199310,30cyclictest11204-21cron11:10:001
32306993128,2cyclictest14814-21sh10:40:000
3230699310,30cyclictest561-21dbus-daemon12:20:020
3230699310,30cyclictest2411-21systemd-journal11:25:000
3230699310,30cyclictest0-21swapper/009:30:460
32316993029,1cyclictest0-21swapper/311:55:123
32316993028,1cyclictest6884-21ssh11:05:193
32316993028,1cyclictest24955-21cstates09:10:223
32316993028,1cyclictest22255-21cron11:55:013
32316993028,1cyclictest0-21swapper/312:07:403
32316993028,1cyclictest0-21swapper/310:20:013
32316993028,1cyclictest0-21swapper/310:10:013
32316993027,2cyclictest5717-21sh11:03:483
3231699300,30cyclictest0-21swapper/312:33:063
3231699300,29cyclictest0-21swapper/307:45:023
3231699300,1cyclictest9939-21memory10:00:283
3231699300,1cyclictest561-21dbus-daemon10:15:013
3231699300,1cyclictest0-21swapper/311:47:213
3231699300,1cyclictest0-21swapper/310:58:123
3231399300,29cyclictest807-21ssh09:18:442
3231399300,29cyclictest27554-21ssh09:12:222
3231399300,29cyclictest14438-21sh11:12:172
32311993029,1cyclictest211rcuc/109:40:011
3231199300,29cyclictest7982-21ssh09:59:101
3231199300,29cyclictest749-21ssh10:25:181
3231199300,29cyclictest27344-21ssh12:00:081
3231199300,29cyclictest10698-21sh11:42:041
3231199300,29cyclictest0-21swapper/112:36:591
3231199300,29cyclictest0-21swapper/111:48:181
3231199300,29cyclictest0-21swapper/108:43:141
3231199300,1cyclictest24223-21diskmemload10:56:411
3231199300,1cyclictest24223-21diskmemload10:39:071
3231199300,1cyclictest0-21swapper/111:19:471
32306993029,1cyclictest58550irq/126-eno109:25:350
32306993028,1cyclictest0-21swapper/010:12:560
3230699300,30cyclictest0-21swapper/010:54:180
3230699300,29cyclictest24223-21diskmemload11:45:180
3230699300,29cyclictest24223-21diskmemload10:56:510
3230699300,29cyclictest24223-21diskmemload10:40:170
3230699300,29cyclictest24223-21diskmemload10:32:460
3230699300,29cyclictest24223-21diskmemload09:50:480
3230699300,29cyclictest24223-21diskmemload09:15:360
3230699300,29cyclictest0-21swapper/012:00:210
3230699300,29cyclictest0-21swapper/011:41:060
3230699300,29cyclictest0-21swapper/011:35:300
3230699300,29cyclictest0-21swapper/011:35:300
3230699300,29cyclictest0-21swapper/011:30:190
3230699300,29cyclictest0-21swapper/010:15:200
3230699300,29cyclictest0-21swapper/010:05:180
3230699300,29cyclictest0-21swapper/009:36:530
3230699300,29cyclictest0-21swapper/009:10:200
3230699300,1cyclictest23136-21expr11:55:210
3230699300,1cyclictest0-21swapper/009:45:170
32316992929,0cyclictest0-21swapper/312:20:323
32316992928,1cyclictest4271-21ssh09:21:203
32316992927,1cyclictest9426-21ssh12:15:073
3231699290,29cyclictest24223-21diskmemload11:30:353
3231699290,29cyclictest24223-21diskmemload10:36:453
3231699290,29cyclictest24223-21diskmemload10:30:313
3231699290,29cyclictest24223-21diskmemload09:41:003
3231699290,29cyclictest0-21swapper/312:26:153
3231699290,29cyclictest0-21swapper/312:00:593
3231699290,29cyclictest0-21swapper/311:20:153
3231699290,29cyclictest0-21swapper/310:53:103
3231699290,29cyclictest0-21swapper/310:41:353
3231699290,29cyclictest0-21swapper/310:20:123
3231699290,29cyclictest0-21swapper/309:35:513
3231699290,29cyclictest0-21swapper/309:15:153
3231699290,28cyclictest0-21swapper/311:16:153
3231699290,28cyclictest0-21swapper/309:50:383
3231699290,1cyclictest13474-21ssh11:10:353
3231699290,0cyclictest24223-21diskmemload11:35:273
3231699290,0cyclictest24223-21diskmemload11:35:273
3231699290,0cyclictest24223-21diskmemload11:25:533
3231699290,0cyclictest24223-21diskmemload10:25:513
3231699290,0cyclictest24223-21diskmemload09:30:193
3231699290,0cyclictest0-21swapper/312:35:263
3231699290,0cyclictest0-21swapper/309:55:333
3231699290,0cyclictest0-21swapper/309:45:033
3231699290,0cyclictest0-21swapper/309:28:383
32313992929,0cyclictest0-21swapper/212:02:052
32313992929,0cyclictest0-21swapper/211:06:352
32313992929,0cyclictest0-21swapper/210:25:082
32313992928,1cyclictest24223-21diskmemload12:20:062
32313992928,1cyclictest24223-21diskmemload09:31:562
32313992928,1cyclictest12065-21ssh11:44:272
3231399290,29cyclictest75-21kswapd012:30:152
3231399290,29cyclictest24223-21diskmemload12:25:032
3231399290,29cyclictest24223-21diskmemload12:10:212
3231399290,29cyclictest24223-21diskmemload11:32:332
3231399290,29cyclictest24223-21diskmemload11:15:272
3231399290,29cyclictest24223-21diskmemload11:00:542
3231399290,29cyclictest24223-21diskmemload10:56:372
3231399290,29cyclictest24223-21diskmemload10:45:122
3231399290,29cyclictest24223-21diskmemload10:22:592
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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