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2025-11-25 - 17:48
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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 50 highest latencies:
System rack2slot7.osadl.org (updated Tue Nov 25, 2025 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
511300994833,2cyclictest0-21swapper/012:23:400
51130099462,24cyclictest0-21swapper/009:28:080
511300994022,6cyclictest0-21swapper/010:50:360
51130099383,3cyclictest0-21swapper/011:06:180
51130299358,11cyclictest11050irq/107-eth%d09:23:082
51130099323,20cyclictest0-21swapper/009:38:030
51130099320,28cyclictest711304-21ssh12:31:510
51130299319,16cyclictest111788-21systemd-journal11:01:042
511301993123,5cyclictest638979-21sendmail-msp11:11:061
51130099313,25cyclictest0-21swapper/009:21:010
51130099311,19cyclictest0-21swapper/011:54:470
112699310,4rtkit-daemon1125-21rtkit-daemon09:20:471
51130299304,19cyclictest706099-21sendmail-msp12:26:322
51130299303,2cyclictest551161-21diskmemload11:13:072
511302993023,4cyclictest1005-21mta-sts-daemon11:06:062
51130099305,5cyclictest0-21swapper/011:37:380
511300993019,1cyclictest0-21swapper/009:13:080
51130099300,28cyclictest681363-21tune2fs11:58:020
511301992923,3cyclictest638979-21sendmail-msp11:06:101
51130099295,18cyclictest0-21swapper/011:28:040
51130099290,21cyclictest607926-21aten_r2power_vo10:27:590
51130199282,7cyclictest11050irq/107-eth%d12:13:091
511301992812,4cyclictest11050irq/107-eth%d08:31:011
511300992827,0cyclictest0-21swapper/009:46:050
51130099281,24cyclictest632977-21/usr/sbin/munin10:58:060
51130299273,6cyclictest171rcu_preempt11:18:082
51130299273,6cyclictest171rcu_preempt10:18:072
51130299273,14cyclictest715056-21latency_hist12:36:022
511302992716,5cyclictest111788-21systemd-journal10:15:282
511302992716,5cyclictest111788-21systemd-journal10:15:282
511300992717,6cyclictest259-21jbd2/mmcblk0p2-811:34:510
511302992615,10cyclictest0-21swapper/211:33:022
511302992613,11cyclictest607-21dbus-daemon08:36:012
51130099263,20cyclictest111788-21systemd-journal12:12:500
51130099263,20cyclictest0-21swapper/011:01:010
511300992613,6cyclictest595402-21/usr/sbin/munin10:13:000
511300992613,6cyclictest595402-21/usr/sbin/munin10:13:000
51130099261,2cyclictest721719-21ssh12:43:060
51130099261,2cyclictest652961-21fschecks_time11:23:030
511300992610,12cyclictest688227-21sendmail-msp12:06:410
51130299255,5cyclictest0-21swapper/211:58:052
51130099253,15cyclictest0-21swapper/010:18:040
511300992513,2cyclictest524687-21/usr/sbin/munin07:58:040
112699250,1rtkit-daemon0-21swapper/109:38:461
511302992420,3cyclictest655584-21latency_hist11:26:022
51130199243,15cyclictest522233-21collect207:48:051
51130199242,10cyclictest11050irq/107-eth%d11:26:031
51130199241,5cyclictest11050irq/107-eth%d10:27:591
51130099244,19cyclictest0-21swapper/011:13:010
51130099244,14cyclictest0-21swapper/009:34:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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