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2026-04-23 - 10:59
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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 Thu Apr 23, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502010,0irq/45-4a10000030972-21kworker/0:019:02:010
7450930,0irq/46-4a10000015848-21cron21:20:130
266528911,0sleep04211-1kworker/u3:219:06:090
7450850,0irq/46-4a10000027182-21switchtime23:26:110
7450850,0irq/46-4a10000026918-21ntpq21:51:000
7450850,0irq/46-4a1000002344-21/usr/sbin/munin20:40:220
7450840,0irq/46-4a100000460-21snmpd21:26:170
7450840,0irq/46-4a10000018231-21sed19:50:520
7450830,0irq/46-4a1000005138-21sshd20:46:270
7450830,0irq/46-4a10000022430-1kworker/u3:023:20:130
7450830,0irq/46-4a10000016716-21ntpq00:31:010
7450830,0irq/46-4a10000011881-21awk21:06:120
196062838,0sleep019609-21df23:05:300
7450820,0irq/46-4a1000009624-21basename19:25:470
7450820,0irq/46-4a1000005927-1kworker/u3:120:55:140
7450820,0irq/46-4a1000004639-21/usr/sbin/munin22:20:550
7450820,0irq/46-4a10000030830-1kworker/u3:220:30:240
7450820,0irq/46-4a10000030830-1kworker/u3:220:29:440
7450820,0irq/46-4a10000027774-1kworker/u3:023:36:120
7450820,0irq/46-4a10000016001-21aten_r4power_cu22:55:220
7450820,0irq/46-4a10000014077-21runrttasks00:24:250
7450820,0irq/46-4a10000011992-21runrttasks19:31:400
262828211,0sleep02631-21diskstats23:50:350
228402828,0sleep022873-21cut21:40:230
7450810,0irq/46-4a1000008890-21chrt19:24:120
7450810,0irq/46-4a1000008568-1kworker/u3:200:10:420
7450810,0irq/46-4a1000008151-21ntpq20:56:050
7450810,0irq/46-4a1000006380-21cat00:00:590
7450810,0irq/46-4a100000460-21snmpd21:36:210
7450810,0irq/46-4a10000031117-1kworker/u3:123:41:050
7450810,0irq/46-4a10000030825-1kworker/u3:222:05:310
7450810,0irq/46-4a10000028418-21/usr/sbin/munin23:30:470
7450810,0irq/46-4a10000027417-1kworker/u3:022:26:070
7450810,0irq/46-4a10000025409-21mailstats21:46:070
7450810,0irq/46-4a1000002367-1kworker/u3:222:15:520
7450810,0irq/46-4a100000234902chrt20:06:010
7450810,0irq/46-4a10000015333-1kworker/u3:121:20:530
7450810,0irq/46-4a10000010420-1kworker/u3:000:15:300
7450800,0irq/46-4a100000620-21seq20:35:220
7450800,0irq/46-4a10000028261-1kworker/u3:120:20:390
7450800,0irq/46-4a10000026464-1kworker/u3:020:15:490
7450800,0irq/46-4a10000025689-1kworker/u3:122:00:460
7450800,0irq/46-4a10000019312sleep022:13:110
7450800,0irq/46-4a100000188742chrt23:01:580
7450800,0irq/46-4a10000017066-1kworker/u3:120:10:280
7450800,0irq/46-4a10000014962-21ntpq19:41:000
7450800,0irq/46-4a100000138142sleep019:37:300
7450800,0irq/46-4a10000012061-1kworker/u3:122:45:290
7450800,0irq/46-4a10000010278-1kworker/u3:223:56:080
7350800,0irq/45-4a1000009779-21memory22:35:590
7450790,0irq/46-4a1000005445-1kworker/u3:219:15:400
7450790,0irq/46-4a1000004265-21df19:10:490
7450790,0irq/46-4a10000022430-1kworker/u3:023:21:010
7450790,0irq/46-4a10000022394-21runrttasks23:12:540
7450790,0irq/46-4a10000019719-21diskstats19:55:370
7450790,0irq/46-4a1000001160-1kworker/u3:019:45:370
7350790,0irq/45-4a100000460-21snmpd21:01:000
7450780,0irq/46-4a1000005249-1kworker/u3:000:05:240
7450780,0irq/46-4a100000369-1kworker/u3:023:46:010
7450780,0irq/46-4a10000020097-21ntp_states21:31:010
7450780,0irq/46-4a10000019018-1kworker/u3:220:00:510
7450780,0irq/46-4a10000014066-1kworker/u3:022:50:500
7450780,0irq/46-4a10000012086-21seq22:42:200
7450780,0irq/46-4a10000011580-1kworker/u3:121:10:300
7450770,0irq/46-4a10000028642-21ntpq21:56:010
7450770,0irq/46-4a10000012340-1kworker/u3:200:25:340
7450760,0irq/46-4a10000027417-1kworker/u3:022:31:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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