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2026-04-23 - 00:59
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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 highest latencies:
System rack7slot8.osadl.org (updated Wed Apr 22, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24304221835,50sleep00-21swapper/019:07:220
24685991647,19cyclictest8314-21diskstats20:10:350
24685991637,16cyclictest14484-21df20:35:160
246859916352,91cyclictest3650irq/20-4900000000:35:330
24685991626,15cyclictest30189-21df23:45:170
246859915824,14cyclictest0-21swapper/000:04:440
246859915728,119cyclictest4172-21seq00:10:330
246859915541,96cyclictest8950irq/40-mmc100:24:500
246859915525,14cyclictest10250irq/56-4a10000022:01:550
246859915518,120cyclictest1734-21fw_conntrack19:45:410
246859915513,18cyclictest1408-21nginx22:27:460
246859915436,107cyclictest32372-21seq21:45:280
246859915419,16cyclictest10700-21tr20:20:160
24685991539,19cyclictest19854-21df23:05:270
24685991536,128cyclictest56522sleep022:08:420
246859915334,108cyclictest3322-21munin-plugin-st22:00:010
246859915324,17cyclictest2820-21wget19:50:150
246859915244,95cyclictest29987-21seq21:35:360
246859915236,104cyclictest23954-21cat23:20:250
246859915228,18cyclictest27149-21/usr/sbin/munin21:25:550
246859915218,17cyclictest16134-21seq22:50:270
246859915144,97cyclictest10084-21runrttasks20:17:050
246859915125,13cyclictest25412-21apt-get21:17:270
246859915117,26cyclictest3974-21wget19:55:130
246859915115,124cyclictest2010-21node22:47:070
24685991509,19cyclictest2707-21wget00:05:160
24685991508,19cyclictest27616-21wget23:35:150
24685991507,24cyclictest32164-21seq23:53:230
24685991506,19cyclictest1276-21runrttasks21:45:020
246859915037,102cyclictest23127-21cut21:10:150
246859915030,109cyclictest14003-21seq20:33:330
246859915029,109cyclictest15994-21which20:40:450
246859915025,114cyclictest754-21systemd-journal21:22:160
246859915020,12cyclictest0-21swapper/022:55:150
246859914940,98cyclictest25488-21runrttasks23:25:480
246859914937,100cyclictest5417-21runrttasks20:00:220
246859914933,102cyclictest29159-21ntpq23:40:420
246859914916,115cyclictest10250irq/56-4a10000023:17:550
246859914910,24cyclictest0-21swapper/022:15:110
246859914852,86cyclictest9557-21cron22:25:000
246859914845,91cyclictest8950-21mailstats00:25:460
246859914842,95cyclictest5542-21df00:15:220
246859914838,97cyclictest394-21ntpq23:55:420
246859914837,99cyclictest11823-21/usr/sbin/munin20:25:130
246859914827,111cyclictest28750-21ntpq21:30:360
246859914825,11cyclictest0-21swapper/019:13:400
24685991478,21cyclictest6502-21wget20:05:150
24685991477,18cyclictest14536-21latency_hist22:45:030
246859914732,104cyclictest20566-21seq21:00:110
246859914729,105cyclictest30677-21sshd19:33:200
246859914643,92cyclictest16961-21grep20:45:160
246859914638,87cyclictest1276-21runrttasks22:34:530
246859914628,108cyclictest22572-21seq21:07:200
246859914623,12cyclictest10150irq/55-4a10000019:20:430
246859914520,12cyclictest0-21swapper/023:34:360
24685991449,24cyclictest19007-21users23:00:480
246859914438,94cyclictest31022-21aten_r7power_cu19:35:130
246859914430,102cyclictest801-21dbus-daemon21:00:010
24685991438,19cyclictest28913-21ntp_states19:25:420
246859914337,94cyclictest12555-21runrttasks22:35:410
246859914336,97cyclictest26302-21runrttasks19:15:310
246859914330,101cyclictest801-21dbus-daemon20:50:430
246859914310,121cyclictest21296-21ntpq23:10:460
246859914226,103cyclictest2010-21node00:32:240
24685991417,20cyclictest32312-21wget19:40:130
246859914131,15cyclictest918-21/usr/sbin/munin21:50:260
246859913923,14cyclictest5958-21wget22:10:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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