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2025-12-01 - 18:49
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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 rack5slot2.osadl.org (updated Mon Dec 01, 2025 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
55662195160,12sleep30-21swapper/307:05:123
76572193177,11sleep10-21swapper/107:08:271
75442190174,12sleep00-21swapper/007:06:590
7695210689,12sleep20-21swapper/207:08:562
269962450,0sleep10-21swapper/110:25:201
285102430,0sleep10-21swapper/110:59:021
190282430,0sleep30-21swapper/309:16:443
170272430,0sleep20-21swapper/209:31:482
22422270,0sleep361-21kswapd011:18:063
196382100,0sleep00-21swapper/009:33:260
18732100,0sleep00-21swapper/010:29:350
79529980,4cyclictest10309-21munin-run07:15:010
8523250,0sleep10-21swapper/110:15:551
79669955,0cyclictest25877-21kworker/3:111:52:073
79669954,1cyclictest3984-21munin-run09:10:013
79669950,5cyclictest0-21swapper/310:40:163
79669950,4cyclictest0-21swapper/311:45:133
79629955,0cyclictest0-21swapper/212:32:482
79629954,1cyclictest31686-21rm11:32:422
79629950,5cyclictest0-21swapper/211:38:502
79629950,5cyclictest0-21swapper/210:23:532
79629950,5cyclictest0-21swapper/210:17:112
79629950,5cyclictest0-21swapper/209:45:202
79629950,4cyclictest0-21swapper/209:55:122
79629950,0cyclictest0-21swapper/209:35:432
79579951,2cyclictest0-21swapper/111:10:121
79579950,5cyclictest0-21swapper/109:15:111
79529955,0cyclictest0-21swapper/011:36:250
79529951,2cyclictest0-21swapper/007:20:120
79529950,5cyclictest0-21swapper/011:57:480
79529950,5cyclictest0-21swapper/011:33:210
79529950,5cyclictest0-21swapper/011:15:010
79529950,5cyclictest0-21swapper/010:53:470
79529950,5cyclictest0-21swapper/010:16:580
79529950,5cyclictest0-21swapper/009:35:130
79669944,0cyclictest0-21swapper/312:25:453
79669944,0cyclictest0-21swapper/311:01:053
79669944,0cyclictest0-21swapper/307:15:143
79669943,1cyclictest15536-21/usr/sbin/munin10:20:143
79669942,1cyclictest714-21snmpd08:42:263
79669942,1cyclictest24891-21/usr/sbin/munin12:35:133
79669940,4cyclictest4116-21ssh09:57:563
79669940,4cyclictest17102-21hddtemp_smartct07:25:173
79669940,4cyclictest13796-21apt-get07:20:113
79669940,4cyclictest12649-21ssh11:06:463
79669940,4cyclictest0-21swapper/312:30:123
79669940,4cyclictest0-21swapper/312:05:123
79669940,4cyclictest0-21swapper/311:55:263
79669940,4cyclictest0-21swapper/311:10:123
79669940,4cyclictest0-21swapper/310:10:123
79669940,4cyclictest0-21swapper/309:10:123
79669940,3cyclictest8587-21df07:10:143
79669940,3cyclictest6402-21cat08:10:013
79669940,3cyclictest4032-21hddtemp_smartct10:30:173
79669940,3cyclictest30274-21latency_hist12:05:003
79669940,3cyclictest29063-21dpkg08:55:003
79669940,3cyclictest28080-21ssh09:37:273
79669940,3cyclictest26964-21ssh10:25:193
79669940,3cyclictest26429-21sh10:09:233
79669940,3cyclictest23347-21ssh12:17:303
79669940,3cyclictest20046-21rm09:50:013
79669940,3cyclictest19020-21cut08:35:003
79669940,3cyclictest12666-21ssh12:11:593
79669940,3cyclictest12010-21ssh10:01:353
79669940,3cyclictest11478-21hddtemp_smartct10:50:143
79669940,3cyclictest0-21swapper/307:55:143
79669940,2cyclictest11262-21ssh11:22:303
79669940,1cyclictest620-21/usr/sbin/munin10:45:223
79669940,1cyclictest5533-21/usr/sbin/munin10:15:123
79669940,1cyclictest31684-21/usr/sbin/munin09:00:113
79669940,1cyclictest26582-21cut08:50:113
79669940,1cyclictest22009-21ntp_states10:55:193
79669940,1cyclictest21198-21/usr/sbin/munin07:35:123
79669940,1cyclictest19095-21/usr/sbin/munin08:35:153
79669940,1cyclictest15967-21/usr/sbin/munin11:25:163
79669940,1cyclictest14155-21/usr/sbin/munin08:25:163
79669940,1cyclictest1165-21/usr/sbin/munin08:00:133
79669940,1cyclictest1077-21fschecks_time09:40:153
79669940,1cyclictest0-21swapper/309:20:153
79669940,0cyclictest0-21swapper/311:40:473
79669940,0cyclictest0-21swapper/309:26:123
79629944,0cyclictest0-21swapper/210:47:092
79629944,0cyclictest0-21swapper/209:26:512
79629942,1cyclictest714-21snmpd09:40:332
79629941,3cyclictest714-21snmpd11:48:182
79629941,2cyclictest714-21snmpd07:56:022
79629940,4cyclictest30552-21apt-get11:00:042
79629940,4cyclictest0-21swapper/212:25:122
79629940,4cyclictest0-21swapper/212:20:112
79629940,4cyclictest0-21swapper/212:10:112
79629940,4cyclictest0-21swapper/212:00:102
79629940,4cyclictest0-21swapper/211:57:522
79629940,4cyclictest0-21swapper/211:50:152
79629940,4cyclictest0-21swapper/211:40:132
79629940,4cyclictest0-21swapper/210:55:132
79629940,4cyclictest0-21swapper/210:30:142
79629940,4cyclictest0-21swapper/210:05:152
79629940,4cyclictest0-21swapper/208:50:112
79629940,4cyclictest0-21swapper/208:25:122
79629940,4cyclictest0-21swapper/208:20:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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