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2026-05-14 - 20:12
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 792 highest latencies:
System rack5slot7.osadl.org (updated Thu May 14, 2026 12:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24332224030,12sleep023451-1kworker/u3:207:02:110
250859917115,131cyclictest12113-21users12:08:120
250859916737,112cyclictest6754-21users10:18:080
250859916721,24cyclictest22728-21apt-get09:31:370
250859916719,25cyclictest12683-21apt-get10:36:410
250859916618,125cyclictest16593-21df12:21:590
250859916520,23cyclictest9461-21apt-get12:01:370
250859916514,127cyclictest18155-21/usr/sbin/munin09:17:450
250859916513,129cyclictest31652-21aten_r5power_en11:31:490
250859916419,25cyclictest29086-21users11:23:060
250859916333,109cyclictest21488-21cstates11:01:570
250859916318,38cyclictest2858-21df11:42:040
250859916318,25cyclictest8097-21df_inode11:57:130
250859916318,23cyclictest4823-21memory11:47:390
250859916316,26cyclictest17824-21apt-get10:51:390
250859916316,123cyclictest4319-21df10:12:010
250859916315,38cyclictest14676-21df10:42:030
250859916219,24cyclictest24776-21/usr/sbin/munin09:37:080
250859916213,26cyclictest3605-21ssh10:09:430
250859916212,43cyclictest31689-21df_inode09:57:110
250859916118,39cyclictest19934-21fw_conntrack10:57:220
250859916116,23cyclictest29857-21apt-get11:26:350
250859916115,40cyclictest595-21apt-get10:01:380
250859916114,39cyclictest18041-21apt-get12:26:340
250859916114,27cyclictest7526-21/usr/sbin/munin10:21:570
250859916112,44cyclictest9146-21ntpq08:37:140
250859916018,42cyclictest13185-21apt-get09:01:350
250859916015,23cyclictest9236-21apt-get10:26:410
250859916013,44cyclictest16114-21apt-get10:46:440
250859916013,29cyclictest26427-21/usr/sbin/munin11:17:520
250859916012,25cyclictest10952-21/usr/sbin/munin10:32:360
250859915936,21cyclictest23214-21ssh11:06:570
250859915918,35cyclictest26545-21df_inode09:42:120
250859915917,24cyclictest21271-21df09:27:020
250859915916,37cyclictest27898-21apt-get09:46:460
250859915916,24cyclictest20373-21ssh09:23:470
250859915914,38cyclictest29630-21apt-get09:51:390
250859915912,20cyclictest17447-21munin-run09:16:190
250859915816,24cyclictest15075-21irqstats12:17:310
250859915815,23cyclictest24688-21apt-get11:11:410
250859915813,25cyclictest12877-21/usr/sbin/munin12:11:570
250859915722,21cyclictest0-21swapper08:32:060
250859915720,35cyclictest14110-21apt-get09:06:400
250859915720,25cyclictest6071-21aten_r5power_cu11:51:490
250859915715,24cyclictest28409-21munin-run07:26:210
250859915714,24cyclictest2214-21ssh11:40:070
250859915713,41cyclictest12739-21tr08:57:140
250859915631,19cyclictest30206-21munin-run07:36:200
250859915630,33cyclictest651-21grep07:51:430
250859915614,24cyclictest20040-21df12:32:040
250859915540,19cyclictest10169-21sendmail_mailqu08:42:200
250859915521,31cyclictest32316-21df07:46:500
250859915519,45cyclictest26929-21df07:16:490
250859915423,28cyclictest2782-21memory08:02:080
250859915416,37cyclictest26404-21memory07:11:430
250859915410,42cyclictest10470-21/usr/sbin/munin08:47:120
250859915323,28cyclictest25387-21df07:06:490
250859915315,36cyclictest1956-21ntp_states07:57:140
250859915314,38cyclictest3536-21df_inode08:06:530
250859915312,40cyclictest30536-21df07:36:500
250859915233,22cyclictest6430-21ntp_kernel_err08:22:130
250859915221,25cyclictest32010-21munin-run07:46:210
250859915114,44cyclictest28798-21fw_conntrack07:26:580
250859915014,24cyclictest4973-21munin-run08:16:200
250859914916,45cyclictest7144-21df_inode08:26:530
250859914916,25cyclictest5157-21aten_r5power_po08:16:410
250859914815,26cyclictest11680-21/usr/sbin/munin08:52:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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