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2025-09-16 - 09:19
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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 Tue Sep 16, 2025 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
794605997320,46cyclictest0-21swapper/021:52:310
79460599578,45cyclictest0-21swapper/022:27:320
794606994829,1cyclictest0-21swapper/122:07:301
794606994310,24cyclictest619-21mta-sts-daemon21:52:311
79460599420,36cyclictest0-21swapper/023:52:240
79460599416,27cyclictest832634-21ntpq21:07:290
79460599383,21cyclictest0-21swapper/023:12:560
79460599374,8cyclictest11050irq/107-eth%d21:37:300
79460599374,3cyclictest936012-21ntpq23:07:330
79460599365,8cyclictest985413-21ntpq00:02:320
79460599362,23cyclictest11050irq/107-eth%d23:35:020
794605993518,7cyclictest0-21swapper/000:22:300
79460599345,7cyclictest0-21swapper/021:30:010
79460599341,19cyclictest0-21swapper/023:03:000
794605993318,3cyclictest872725-21grep21:57:300
79460599311,7cyclictest944316-21/usr/sbin/munin23:17:270
79460599311,7cyclictest1010355-21apt00:34:590
79460599311,6cyclictest794565-21munin-run19:14:590
794605993115,8cyclictest1012309-21ntp_kernel_pll_00:37:330
79460599302,10cyclictest841394-21tune2fs21:22:260
794605993016,3cyclictest0-21swapper/000:29:390
79460599301,13cyclictest891144-21ntpq22:17:310
79460799291,4cyclictest171rcu_preempt00:02:322
79460599292,4cyclictest881472-21aten_r2power_po22:07:240
79460599291,7cyclictest808512-21munin-plugin-st19:54:590
79460599291,2cyclictest982946-21ls00:00:000
79460599291,13cyclictest993252-21fschecks_count00:12:290
794606992816,9cyclictest261rcuc/119:25:581
79460599285,4cyclictest795174-21fschecks_time19:17:260
79460599285,2cyclictest0-21swapper/020:27:310
79460599282,6cyclictest2952069-1kworker/0:2H+kblockd23:45:140
79460599282,1cyclictest0-21swapper/021:17:360
79460599282,14cyclictest0-21swapper/022:45:020
79460599282,13cyclictest848431-21latency_hist21:29:590
79460599281,7cyclictest806949-21cat19:49:590
112699280,1rtkit-daemon0-21swapper/223:52:042
79460599277,2cyclictest0-21swapper/022:57:240
79460599276,3cyclictest967664-21ssh23:42:330
79460599274,6cyclictest0-21swapper/000:44:590
79460599273,8cyclictest813315-21grep20:07:390
79460599273,7cyclictest803491-21aten_r2power_cu19:42:240
79460599272,9cyclictest908273-21grep22:37:280
79460599272,7cyclictest824733-21timerandwakeup20:42:360
79460599272,11cyclictest823325-21cron20:40:000
79460599271,7cyclictest820619-21cut20:32:230
79460599264,7cyclictest817333-21tune2fs20:22:250
79460599264,4cyclictest111788-21systemd-journal20:14:590
79460599263,7cyclictest0-21swapper/019:57:350
79460599263,5cyclictest989028-21/usr/sbin/munin00:07:260
79460599263,5cyclictest913086-21ssh22:42:300
79460599263,5cyclictest835408-21grep21:15:000
79460599263,4cyclictest895275-21/usr/sbin/munin22:22:260
79460599261,7cyclictest948490-21aten_r2power_en23:22:250
79460599261,4cyclictest798488-21fschecks_count19:27:280
794605992610,2cyclictest797782-21unixbench_multi19:22:370
79460599260,4cyclictest794604-21cyclictest23:32:270
79460599260,2cyclictest0-21swapper/022:32:360
794606992521,3cyclictest816642-21unixbench_multi20:17:371
79460699251,21cyclictest122792-21ntpd21:10:041
79460599252,9cyclictest825331-21aten_r2power_fr20:47:260
79460599252,5cyclictest997400-21grep00:17:280
79460599252,5cyclictest864338-21needreboot21:47:300
79460599252,3cyclictest828790-21grep20:57:250
79460599252,11cyclictest878337-21ssh22:02:400
79460599251,7cyclictest830250-21aten_r2power_fr21:02:260
79460599251,5cyclictest828346-21latency_hist20:55:000
79460599251,4cyclictest886212-21fschecks_time22:12:280
794605992514,2cyclictest0-21swapper/022:52:250
79460599250,8cyclictest811887-21wc20:05:000
794607992421,2cyclictest1006987-21cron00:30:002
794607992410,12cyclictest111788-21systemd-journal21:26:452
794607992320,2cyclictest800544-21cut19:32:272
79460699232,1cyclictest0-21swapper/121:22:271
794606992312,9cyclictest0-21swapper/119:30:301
79460599239,1cyclictest0-21swapper/019:37:270
79460599231,3cyclictest0-21swapper/023:27:270
79460799224,14cyclictest111788-21systemd-journal23:05:412
79460799223,14cyclictest11050irq/107-eth%d23:42:332
794607992214,7cyclictest0-21swapper/223:24:592
79460699225,12cyclictest1006-21mta-sts-daemon00:39:201
79460599227,2cyclictest0-21swapper/021:42:280
79460599222,6cyclictest815685-21fschecks_time20:17:270
79460799216,10cyclictest859814-21rm21:42:292
79460799213,12cyclictest882190-21ntpq22:07:302
79460799212,12cyclictest915340-21sendmail-msp22:45:022
794607992118,2cyclictest870755-21basename21:54:592
79460799206,11cyclictest1015016-21/usr/sbin/munin00:42:282
79460799206,10cyclictest0-21swapper/200:07:252
79460799205,10cyclictest958216-21ntpq23:32:282
79460799203,4cyclictest171rcu_preempt22:27:312
794607992015,4cyclictest926519-21fschecks_count22:57:272
794607992010,8cyclictest0-21swapper/219:22:372
794606992017,2cyclictest913920-21unixbench_singl22:42:381
794606992016,3cyclictest926567-21grep22:57:271
794606992014,5cyclictest988895-21/usr/sbin/munin00:07:251
79460599202,11cyclictest800233-21/usr/sbin/munin19:32:240
79460799196,11cyclictest872394-21/usr/sbin/munin21:57:402
79460799193,11cyclictest111788-21systemd-journal19:45:042
79460799192,5cyclictest921710-21/usr/sbin/munin22:52:282
79460799192,15cyclictest997819-21/usr/sbin/munin00:17:312
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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