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2026-04-14 - 09:10
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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 rack4slot2.osadl.org (updated Tue Apr 14, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502350,0irq/46-4a10000025643-1kworker/u3:019:05:240
257819912743,0cyclictest0-21swapper22:23:160
257819912634,0cyclictest30354-21fw_forwarded_lo20:51:070
257819912541,0cyclictest3507-21/usr/sbin/munin21:06:350
257819912531,0cyclictest20724-21users20:21:370
257819912530,0cyclictest4591-21diskstats19:35:580
257819912529,0cyclictest30218-21entropy22:26:000
257819912437,0cyclictest2628-21aten_r4power_en22:40:460
257819912434,0cyclictest15411-21switchtime20:06:270
257819912433,0cyclictest25888-21runrttasks19:05:430
257819912431,0cyclictest20182-21irqstats21:56:140
257819912340,0cyclictest11551-21fschecks_time19:56:030
257819912334,0cyclictest4986-21ntp_kernel_pll_21:11:440
257819912334,0cyclictest25468-21ntp_states22:11:240
257819912330,0cyclictest17385-21chrt21:47:140
257819912330,0cyclictest10234-21which23:01:280
257819912329,0cyclictest2917-21grep19:31:000
257819912239,0cyclictest12-21ksoftirqd/021:30:540
257819912233,0cyclictest10621-21runrttasks19:52:500
257819912231,0cyclictest5138-21run-parts22:46:300
257819912230,0cyclictest26945-21fw_conntrack20:41:050
257819912229,0cyclictest8676-21sort22:56:360
257819912228,0cyclictest588-21runrttasks20:59:300
257819912227,0cyclictest21550-21cstates20:25:510
257819912227,0cyclictest17092-21grep20:11:290
257819912131,0cyclictest23520-21sort22:06:080
257819912130,0cyclictest8918-21chrt19:47:520
257819912130,0cyclictest17567-21runrttasks23:23:370
257819912129,0cyclictest827-21date00:10:380
257819912129,0cyclictest6434-21runrttasks22:51:060
257819912129,0cyclictest16168-21cat21:45:370
257819912128,0cyclictest6737-21proc_pri19:41:250
257819912037,0cyclictest31510-21latency_hist00:05:360
257819912031,0cyclictest8472-21/usr/sbin/munin21:21:420
257819912030,0cyclictest460-21snmpd21:53:040
257819912030,0cyclictest25688-21sort23:46:300
257819912011,0cyclictest2210-21runrttasks22:38:440
257819911933,0cyclictest15209-21seq23:16:230
257819911931,0cyclictest23943-21mailstats20:31:290
257819911931,0cyclictest18602-21ntpq20:16:210
257819911930,0cyclictest13778-21wc20:01:310
257819911928,0cyclictest460-21snmpd22:03:070
257819911927,0cyclictest32552-21/usr/sbin/munin22:31:330
257819911839,0cyclictest4612-21/usr/sbin/munin00:20:590
257819911831,0cyclictest1314-21/usr/sbin/munin19:26:090
257819911829,0cyclictest7946-21sed00:30:540
257819911828,0cyclictest12834-21wget23:10:450
257819911812,0cyclictest13531-21/usr/sbin/munin21:36:250
257819911739,0cyclictest0-21swapper23:43:540
257819911737,0cyclictest7350irq/45-4a10000023:51:350
257819911733,0cyclictest32137-21runrttasks00:06:110
257819911732,0cyclictest12377-21seq23:08:150
257819911730,0cyclictest25728-21/usr/sbin/munin20:36:310
257819911730,0cyclictest1549-21ntpq21:01:220
257819911728,0cyclictest28974-21seq19:11:460
257819911726,0cyclictest22709-21seq23:38:470
257819911719,0cyclictest19357-21runrttasks23:29:240
257819911713,0cyclictest7615-21date21:20:370
257819911711,0cyclictest27202-21/usr/sbin/munin22:16:230
257819911636,0cyclictest29541-21runrttasks20:48:500
257819911630,0cyclictest10345-21threads21:26:340
257819911628,0cyclictest7450irq/46-4a10000000:16:020
257819911532,0cyclictest28254-21aten_r4power_en23:55:450
257819911529,0cyclictest32219-21meminfo19:21:150
257819911432,0cyclictest20103-21fw_forwarded_lo23:31:090
257819911429,0cyclictest29998-21chrt19:15:450
257819911332,0cyclictest6297-21diskstats00:25:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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