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2026-04-30 - 19:20
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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 Thu Apr 30, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73508000,0irq/45-4a10000011412sleep007:02:440
7450940,0irq/46-4a1000005534-21fw_forwarded_lo09:00:220
7450930,0irq/46-4a10000021086-21irqstats08:05:240
7450930,0irq/46-4a10000012554-21grep09:20:490
7450920,0irq/46-4a1000003440-21grep10:34:560
7450920,0irq/46-4a10000015858-21users09:30:480
7350920,0irq/45-4a10000010215-21/usr/sbin/munin09:15:120
1450999260,0cyclictest0-21swapper10:50:230
1450999258,0cyclictest0-21swapper07:30:440
1450999255,0cyclictest0-21swapper12:00:090
7450910,0irq/46-4a1000008567-21ls12:30:090
7450910,0irq/46-4a1000006851-21aten_r4power_po10:45:060
7450910,0irq/46-4a1000003916-21fw_forwarded_lo08:55:210
7450910,0irq/46-4a1000003107-21runrttasks08:52:280
7450910,0irq/46-4a10000030927-21runrttasks08:35:290
7450910,0irq/46-4a10000030278-21chrt08:34:550
7450910,0irq/46-4a10000027228-21cut08:25:060
7450910,0irq/46-4a10000026049-21meminfo08:20:290
7450910,0irq/46-4a10000022494-21diskstats08:10:130
7450910,0irq/46-4a10000021725-21fschecks_time11:30:180
7450910,0irq/46-4a10000021226-21cron09:49:550
7450910,0irq/46-4a10000019510-21latency08:00:270
7450910,0irq/46-4a10000017179-21pluginstate11:15:370
7450910,0irq/46-4a10000012842-1kworker/u3:109:25:380
7450910,0irq/46-4a10000012688-21wget07:40:070
7350910,0irq/45-4a1000009501-1kworker/u3:109:14:430
7350910,0irq/45-4a10000031849-1kworker/u3:007:11:520
7350910,0irq/45-4a10000016613-21aten_r4power_po09:35:080
7350910,0irq/45-4a10000016547-21mailstats07:50:410
1450999158,0cyclictest0-21swapper11:55:220
1450999158,0cyclictest0-21swapper09:40:460
7450900,0irq/46-4a1000006795-21wget12:25:040
7450900,0irq/46-4a1000005529-21runrttasks10:40:210
7450900,0irq/46-4a100000460-21snmpd09:05:300
7450900,0irq/46-4a1000003718-21cstates12:15:080
7450900,0irq/46-4a10000032634-21ntp_offset08:40:380
7450900,0irq/46-4a10000030558-21runrttasks10:16:290
7450900,0irq/46-4a10000026471-21diskstats11:45:140
7450900,0irq/46-4a10000024343-1kworker/u3:210:03:510
7450900,0irq/46-4a10000019243-21sshd11:21:390
7450900,0irq/46-4a1000001878-21fschecks_time07:05:150
7450900,0irq/46-4a10000016462-21latency_hist11:14:590
7450900,0irq/46-4a1000001441-21chrt12:07:180
7450900,0irq/46-4a10000014396-21runrttasks07:45:130
7450900,0irq/46-4a10000014363-21sshd11:06:390
7350900,0irq/45-4a1000008062-21seq07:25:210
1450999057,0cyclictest0-21swapper08:15:260
7450890,0irq/46-4a1000006578-21ls07:20:280
7450890,0irq/46-4a1000005360-21cstates12:20:110
7450890,0irq/46-4a1000005034-21/usr/sbin/munin07:15:350
7450890,0irq/46-4a1000003559-21/usr/sbin/munin10:35:460
7450890,0irq/46-4a100000345-21wget10:25:070
7450890,0irq/46-4a10000031933-21grep10:20:440
7450890,0irq/46-4a10000027859-21/usr/sbin/munin10:10:230
7450890,0irq/46-4a10000027771-21date10:09:580
7450890,0irq/46-4a10000025988-21chrt11:43:470
7450890,0irq/46-4a10000023008-21/usr/sbin/munin09:55:060
7450890,0irq/46-4a10000021377-21aten_r4power_cu09:50:050
7450890,0irq/46-4a10000019962-21cstates11:25:090
7450890,0irq/46-4a10000017553-21aten_r4power_vo07:55:080
7450890,0irq/46-4a10000012705-21chrt11:01:130
7450890,0irq/46-4a10000011567-21sshd07:35:390
7450880,0irq/46-4a10000027830-21wc11:49:580
7450880,0irq/46-4a10000023627-21ntp_states11:35:370
7450880,0irq/46-4a1000002105-21runrttasks12:10:100
7450870,0irq/46-4a1000001302-21chrt08:45:590
7450870,0irq/46-4a10000010023-21latency_hist10:54:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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