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2024-04-28 - 17:54
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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 376 highest latencies:
System rackcslot2.osadl.org (updated Sun Apr 28, 2024 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
173392970,0sleep00-21swapper/007:55:090
123562720,0sleep00-21swapper/009:06:000
3372680,0sleep00-21swapper/009:34:500
3098426848,16sleep00-21swapper/007:01:450
2955526855,8sleep10-21swapper/107:00:121
68562180,1sleep1221rcuc/111:10:211
155022180,0sleep00-21swapper/011:22:460
136382180,0sleep00-21swapper/007:45:060
40512170,1sleep14046-21unixbench_singl11:50:191
31473991616,0cyclictest0-21swapper/111:45:191
31473991616,0cyclictest0-21swapper/108:47:451
31473991615,1cyclictest8899-21ssh11:57:461
31473991615,1cyclictest3051-21ssh09:37:231
31473991615,1cyclictest14387-21ssh10:36:121
31473991615,0cyclictest27839-21grep08:25:061
31473991615,0cyclictest22230-21ssh11:31:281
31473991610,6cyclictest0-21swapper/112:00:191
31473991610,6cyclictest0-21swapper/110:23:081
31473991610,0cyclictest0-21swapper/112:05:161
31473991610,0cyclictest0-21swapper/109:49:131
31472991616,0cyclictest29734-21ssh10:57:570
31472991615,0cyclictest907-21chrt12:30:200
31472991615,0cyclictest26950-21ssh12:21:500
31473991515,0cyclictest4832-21ssh11:08:341
31473991514,1cyclictest0-21swapper/109:55:441
31473991513,1cyclictest55012sleep109:40:201
31473991511,4cyclictest0-21swapper/107:20:111
31473991510,5cyclictest0-21swapper/110:18:381
31473991510,4cyclictest0-21swapper/111:15:551
31473991510,3cyclictest0-21swapper/112:27:561
31473991510,0cyclictest0-21swapper/110:54:531
31473991510,0cyclictest0-21swapper/109:17:191
31472991515,0cyclictest23477-21ssh09:20:330
31472991515,0cyclictest0-21swapper/009:10:220
31472991515,0cyclictest0-21swapper/009:04:010
31472991514,1cyclictest16951-21ssh12:09:000
31472991514,0cyclictest7967-21ssh10:28:450
31472991514,0cyclictest18137-21ssh11:25:250
31472991514,0cyclictest10416-21uniq12:00:100
31472991510,5cyclictest0-21swapper/010:35:340
31472991510,5cyclictest0-21swapper/010:19:320
31472991510,5cyclictest0-21swapper/009:39:060
31472991510,5cyclictest0-21swapper/008:20:450
31473991414,0cyclictest0-21swapper/110:27:391
31473991412,2cyclictest93750irq/100-eth0-rx10:41:071
31473991412,1cyclictest633-21nscd12:15:081
31473991412,1cyclictest13837-1kworker/u5:012:24:451
31473991412,1cyclictest11809-21sh10:33:481
31473991411,2cyclictest93750irq/100-eth0-rx07:25:111
31473991411,2cyclictest93650irq/99-eth0-rx-11:40:331
31473991411,2cyclictest93650irq/99-eth0-rx-11:25:091
31473991411,2cyclictest7647-21apache209:21:251
31473991410,4cyclictest0-21swapper/107:45:131
31473991410,4cyclictest0-21swapper/107:39:131
31473991410,4cyclictest0-21swapper/107:15:411
31473991410,3cyclictest27246-21ntpq10:10:151
31473991410,3cyclictest0-21swapper/111:36:081
31473991410,1cyclictest13864-21kworker/u4:011:20:271
31473991410,1cyclictest13864-21kworker/u4:011:01:521
31473991410,1cyclictest0-21swapper/112:11:191
31473991410,0cyclictest0-21swapper/112:31:131
31473991410,0cyclictest0-21swapper/110:55:371
31473991410,0cyclictest0-21swapper/109:31:091
31473991410,0cyclictest0-21swapper/109:26:071
31473991410,0cyclictest0-21swapper/109:11:111
31473991410,0cyclictest0-21swapper/109:09:381
31472991414,0cyclictest6127-21seq09:41:070
31472991414,0cyclictest0-21swapper/012:26:400
31472991414,0cyclictest0-21swapper/012:12:580
31472991414,0cyclictest0-21swapper/011:10:190
31472991414,0cyclictest0-21swapper/010:48:100
31472991414,0cyclictest0-21swapper/010:05:180
31472991414,0cyclictest0-21swapper/007:54:020
31472991414,0cyclictest0-21swapper/007:27:180
31472991413,1cyclictest9697-21ssh11:59:290
31472991413,1cyclictest23401-21ssh11:34:160
31472991413,0cyclictest26175-21grep08:15:230
31472991412,1cyclictest9293-21sh10:30:120
31472991412,1cyclictest7620-21apache211:15:050
31472991412,1cyclictest7620-21apache208:50:210
31472991412,1cyclictest7620-21apache208:10:100
31472991412,1cyclictest633-21nscd09:54:580
31472991411,2cyclictest24629-1kworker/u5:010:13:470
31472991411,2cyclictest19406-1kworker/u5:111:35:160
31472991410,3cyclictest0-21swapper/012:17:290
31472991410,3cyclictest0-21swapper/010:23:070
31472991410,1cyclictest14546-21kworker/u4:211:48:230
31472991410,1cyclictest13864-21kworker/u4:011:08:550
31473991313,0cyclictest22430-21awk08:05:211
31473991312,1cyclictest793-21sendmail-mta07:44:291
31473991312,1cyclictest7647-21apache210:02:021
31473991311,1cyclictest7710-21/usr/sbin/munin07:30:071
31473991311,1cyclictest7647-21apache207:57:041
31473991311,1cyclictest7620-21apache208:35:111
31473991311,1cyclictest7620-21apache208:01:191
31473991311,1cyclictest22817-21apache207:06:391
31473991311,1cyclictest11719-21/usr/sbin/munin09:50:131
31473991311,1cyclictest10606-21snmpd10:04:591
31473991311,1cyclictest10606-21snmpd08:31:131
31473991310,3cyclictest0-21swapper/108:13:351
31473991310,3cyclictest0-21swapper/107:10:081
31473991310,1cyclictest93750irq/100-eth0-rx08:55:111
31473991310,1cyclictest29325-1kworker/u5:209:02:091
31473991310,1cyclictest0-21swapper/110:45:031
31473991310,0cyclictest0-21swapper/108:50:191
31473991310,0cyclictest0-21swapper/108:43:231
31472991313,0cyclictest17136-21taskset10:40:160
31472991312,1cyclictest7620-21apache211:39:590
31472991312,1cyclictest7620-21apache208:35:130
31472991312,1cyclictest7620-21apache207:32:320
31472991311,2cyclictest7620-21apache211:50:000
31472991311,1cyclictest81ktimersoftd/007:20:050
31472991311,1cyclictest7620-21apache208:30:200
31472991311,1cyclictest633-21nscd07:05:190
31472991311,1cyclictest24692sleep007:11:550
31472991311,1cyclictest10429-21diskmemload11:00:270
31472991310,3cyclictest0-21swapper/009:44:560
31472991310,3cyclictest0-21swapper/008:00:490
31472991310,3cyclictest0-21swapper/007:39:590
31472991310,3cyclictest0-21swapper/007:34:560
31472991310,2cyclictest10616-21kworker/u4:109:16:210
31472991310,2cyclictest0-21swapper/009:50:140
31472991310,1cyclictest93650irq/99-eth0-rx-09:59:580
31472991310,1cyclictest93650irq/99-eth0-rx-08:05:200
31472991310,1cyclictest0-21swapper/010:52:410
31472991310,1cyclictest0-21swapper/009:24:580
31472991310,0cyclictest101rcu_sched07:14:570
31472991310,0cyclictest0-21swapper/008:48:190
31473991210,1cyclictest597-21avahi-daemon08:19:571
31473991210,1cyclictest0-21swapper/108:15:071
31473991210,1cyclictest0-21swapper/107:50:091
31472991211,1cyclictest597-21avahi-daemon08:40:040
31472991211,0cyclictest27644-21cpuspeed_turbos08:25:040
31472991210,1cyclictest0-21swapper/008:55:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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