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2026-09-05 - 10:41
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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 100 highest latencies:
System rack4slot2.osadl.org (updated Sat Sep 05, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502530,0irq/45-4a10000016172-21kworker/0:119:06:580
320339912534,0cyclictest21754-21sensors_temp23:20:490
320339912434,0cyclictest30809-21runrttasks20:39:090
320339912432,0cyclictest9299-21/usr/sbin/munin21:10:250
320339912431,0cyclictest6042-21chrt21:00:350
320339912431,0cyclictest12230-21ls21:19:590
320339912338,0cyclictest17488-21aten_r4power_po21:35:070
320339912335,0cyclictest4163-21fschecks_count00:05:200
320339912333,0cyclictest11848-21runrttasks19:42:480
320339912332,0cyclictest23103-21irqstats23:25:340
320339912135,0cyclictest2535-21irqstats20:50:310
320339912135,0cyclictest14738-21ntpq00:35:430
320339912133,0cyclictest4683-21grep20:55:510
320339912133,0cyclictest19544-21perl21:40:230
320339912132,0cyclictest29859-21if_eth022:10:280
320339912132,0cyclictest16984-21runrttasks19:57:580
320339912047,0cyclictest7350irq/45-4a10000020:05:160
320339912037,0cyclictest7275-21aten_r4power_po00:15:080
320339912036,0cyclictest27605-21latency_hist20:29:590
320339912033,0cyclictest24793-21cut21:55:320
320339912027,0cyclictest28227-21irqstats23:40:310
320339911942,0cyclictest7350irq/45-4a10000023:35:380
320339911937,0cyclictest32727-21latency_hist20:44:590
320339911937,0cyclictest32196-21runrttasks20:41:190
320339911935,0cyclictest15085-21users23:00:540
320339911933,0cyclictest23142-21/usr/sbin/munin20:15:380
320339911932,0cyclictest25186-21chrt20:20:500
320339911931,0cyclictest26894-21timerandwakeup20:25:510
320339911930,0cyclictest10192-21chrt00:22:270
320339911929,0cyclictest18653-21runrttasks20:02:290
320339911929,0cyclictest14421-21/usr/sbin/munin19:50:280
320339911929,0cyclictest11713-21runrttasks22:51:160
320339911928,0cyclictest4591-21/usr/sbin/munin22:30:510
320339911928,0cyclictest12243-21runrttasks19:45:010
320339911927,0cyclictest7382-21df_abs21:05:120
320339911924,0cyclictest14517-21/usr/sbin/munin21:25:310
320339911912,0cyclictest31183-21aten_r4power_vo22:15:070
320339911848,0cyclictest12-21ksoftirqd/023:30:280
320339911840,0cyclictest0-21swapper22:07:360
320339911837,0cyclictest0-21swapper00:25:070
320339911831,0cyclictest6112-21chrt19:25:420
320339911830,0cyclictest2980-21expr00:00:490
320339911828,0cyclictest5004-21chrt19:22:420
320339911827,0cyclictest2704-21/usr/sbin/munin22:25:390
320339911827,0cyclictest20592-21seq23:18:590
320339911826,0cyclictest438-21snmpd23:10:440
320339911810,0cyclictest1425-21users22:20:580
320339911746,0cyclictest7350irq/45-4a10000022:45:360
320339911736,0cyclictest0-21swapper19:13:420
320339911731,0cyclictest23647-21seq21:51:120
320339911730,0cyclictest6810-21seq00:12:560
320339911729,0cyclictest12516-21sed21:20:130
320339911728,0cyclictest16161-21idleruntime21:30:280
320339911726,0cyclictest9621-21awk19:35:450
320339911725,0cyclictest2696-21runrttasks19:16:010
320339911721,0cyclictest12742-1kworker/u3:122:57:420
320339911710,0cyclictest7054-21run-parts22:39:550
32033991169,0cyclictest7866-21grep19:30:440
320339911637,0cyclictest0-21swapper23:45:520
320339911626,0cyclictest21600-21/usr/sbin/munin20:10:490
320339911530,0cyclictest26819-21runrttasks22:00:470
320339911525,0cyclictest21895-21uptime21:45:520
320339911433,0cyclictest7760-21latency22:40:340
320339911431,0cyclictest1668-21chrt23:57:520
320339911429,0cyclictest13033-21runrttasks00:30:440
320339911426,0cyclictest16932-1kworker/u3:123:09:500
320339911327,0cyclictest32152-21grep23:50:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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