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2025-12-12 - 07:53
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rack2slot7.osadl.org (updated Fri Dec 12, 2025 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
411519799452,35cyclictest0-21swapper/000:01:300
4115197994324,6cyclictest52167-21ssh22:58:200
4115197993714,15cyclictest11050irq/107-eth%d22:51:200
4115199993626,7cyclictest22885-21sendmail-msp22:33:112
411519799346,25cyclictest111788-21systemd-journal21:49:240
4115197993420,4cyclictest62956-21ssh23:11:160
411519799336,4cyclictest4118485-21systemctl19:26:150
411519799332,9cyclictest565-21ssh22:00:280
4115199993223,6cyclictest0-21swapper/222:08:262
411519899314,6cyclictest0-21swapper/121:50:291
4115197993118,12cyclictest151ktimers/020:53:170
411519999306,18cyclictest4192885-21ntp_states21:58:192
411519899309,8cyclictest11050irq/107-eth%d21:53:101
411519799282,26cyclictest0-21swapper/022:11:160
411519799281,22cyclictest125608-21apt-get00:21:170
411519999276,7cyclictest171rcu_preempt22:38:142
4115199992712,14cyclictest1006-21mta-sts-daemon21:36:202
411519899275,7cyclictest127423-21ssh00:23:151
411519899273,16cyclictest111788-21systemd-journal21:36:201
4115198992717,9cyclictest764-21rs:main1
411519799272,23cyclictest41971-21fschecks_count22:48:080
4115199992613,4cyclictest171rcu_preempt22:28:152
411519799262,4cyclictest4173718-21ssh21:36:530
411519799262,18cyclictest140647-21unixbench_multi00:38:250
411519799262,18cyclictest140647-21unixbench_multi00:38:250
411519799261,21cyclictest0-21swapper/023:58:180
4115198992521,3cyclictest133891-21gpgv00:31:161
4115198992520,4cyclictest112004-21date00:06:161
411519799255,14cyclictest78367-21/usr/sbin/munin23:28:190
411519799253,17cyclictest0-21swapper/023:23:170
4115197992515,6cyclictest0-21swapper/000:28:000
411519999243,2cyclictest65055-21ssh23:13:172
4115199992410,11cyclictest111788-21systemd-journal00:06:162
4115198992413,7cyclictest0-21swapper/119:16:161
411519799246,14cyclictest16419-21ntp_states22:18:180
411519799246,14cyclictest120568-21apt-get00:16:200
411519799242,4cyclictest114193-21ssh00:08:160
4115197992421,1cyclictest0-21swapper/022:29:090
4115197992416,3cyclictest4166174-21needreboot21:28:250
4115199992314,5cyclictest351ktimers/220:13:182
411519899232,14cyclictest2243333-21munin-node20:33:171
4115198992313,5cyclictest0-21swapper/100:31:171
411519799238,4cyclictest171rcu_preempt23:03:200
4115197992317,0cyclictest0-21swapper/023:16:160
4115197992313,6cyclictest151ktimers/020:26:150
4115197992312,7cyclictest151ktimers/021:55:520
4115197992311,9cyclictest4170887-21sh21:33:230
411519999224,11cyclictest129434-21sendmail-msp00:28:002
4115199992214,8cyclictest59064-21kworker/u8:0+events_unbound23:38:142
411519899225,11cyclictest106001-21ssh23:58:491
411519899224,15cyclictest4192889-21ntpq21:58:191
411519899223,11cyclictest87140-21ntpq23:38:141
411519899222,12cyclictest4170604-21ssh21:33:151
411519899221,13cyclictest47400-21ssh22:53:181
411519799226,8cyclictest4115160-21munin-run19:16:150
4115197992210,5cyclictest33189-21/usr/sbin/munin22:38:090
411519999215,2cyclictest0-21swapper/200:01:302
411519999214,3cyclictest171rcu_preempt00:13:202
4115199992111,1cyclictest171rcu_preempt00:39:542
4115199992111,1cyclictest171rcu_preempt00:39:542
411519799217,4cyclictest28479-21munin-node22:33:100
411519799214,2cyclictest171rcu_preempt23:48:170
4115197992118,2cyclictest135521-21cut00:33:140
4115197992116,4cyclictest762-21in:imuxsock23:33:160
411519799211,4cyclictest11050irq/107-eth%d21:26:160
411519799210,4cyclictest91628-21ntpq23:43:140
411519799210,3cyclictest171rcu_preempt19:28:150
411519999209,8cyclictest11050irq/107-eth%d00:33:272
411519999203,15cyclictest619-21mta-sts-daemon00:21:182
411519899204,11cyclictest111788-21systemd-journal23:13:171
411519799207,2cyclictest171rcu_preempt20:31:390
411519799206,13cyclictest151ktimers/019:48:080
411519799203,2cyclictest5516-21sendmail-msp22:06:160
411519999191,6cyclictest0-21swapper/221:28:192
411519999191,14cyclictest11050irq/107-eth%d22:51:202
411519899199,8cyclictest10075-21ssh22:11:161
411519899195,11cyclictest0-21swapper/120:13:171
411519899192,10cyclictest111788-21systemd-journal21:28:251
4115198991915,2cyclictest4122641-21cut19:38:081
411519799193,14cyclictest4134221-21fschecks_time20:13:100
411519799192,8cyclictest37164-21/usr/sbin/munin22:43:160
112699190,7rtkit-daemon1005-21mta-sts-daemon22:23:140
112699190,3rtkit-daemon1006-21mta-sts-daemon20:09:231
411519999183,10cyclictest4149630-21/usr/sbin/munin20:58:162
411519999182,4cyclictest171rcu_preempt21:43:222
411519999182,4cyclictest171rcu_preempt21:43:222
411519999182,14cyclictest351ktimers/219:16:152
4115199991813,4cyclictest0-21swapper/200:18:242
4115199991810,6cyclictest111788-21systemd-journal20:08:212
4115199991810,4cyclictest0-21swapper/221:55:522
411519899185,9cyclictest69411-21awk23:18:131
411519899185,8cyclictest120568-21apt-get00:16:191
411519899185,2cyclictest0-21swapper/123:48:071
411519899184,7cyclictest91802-21/usr/sbin/munin23:43:161
411519899184,11cyclictest111953-21sendmail-msp00:13:201
411519899183,12cyclictest5516-21sendmail-msp22:06:231
411519899181,8cyclictest11050irq/107-eth%d22:48:081
4115198991812,4cyclictest141907-21idleruntime-cro00:41:151
4115198991812,4cyclictest141907-21idleruntime-cro00:41:151
411519899181,13cyclictest15764-21grep22:18:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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