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2025-12-19 - 11:57
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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 highest latencies:
System rack4slot2.osadl.org (updated Fri Dec 19, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73508990,0irq/45-4a100000215792sleep019:08:570
7450970,0irq/46-4a10000030465-21/usr/sbin/munin21:07:020
7450960,0irq/46-4a10000024534-21seq22:25:200
7450960,0irq/46-4a10000018708-21/usr/sbin/munin23:42:060
7450950,0irq/46-4a10000032108-21cat21:11:060
7450940,0irq/46-4a1000005309-21dpkg19:55:030
7450940,0irq/46-4a100000460-21snmpd23:56:170
7450940,0irq/46-4a100000460-21snmpd23:25:520
7450940,0irq/46-4a10000018113-21meminfo20:31:290
7450940,0irq/46-4a10000016537-21meminfo23:35:460
7450940,0irq/46-4a10000012696-21diskstats21:50:290
2128429411,0sleep021287-21df23:50:240
7450930,0irq/46-4a1000009478-21runrttasks20:05:510
7450930,0irq/46-4a1000005610-21cron00:40:010
7450930,0irq/46-4a100000460-21snmpd23:46:080
7450930,0irq/46-4a100000460-21snmpd23:10:430
7450930,0irq/46-4a100000460-21snmpd22:50:280
7450930,0irq/46-4a1000003862-21ls23:00:050
7450930,0irq/46-4a10000031805-21chrt22:45:460
7450930,0irq/46-4a10000031550-21cpu00:20:210
7450930,0irq/46-4a10000031441-21fschecks_time19:35:360
7450930,0irq/46-4a10000030083-21irqstats22:40:440
7450930,0irq/46-4a10000030002-21meminfo19:31:210
7450930,0irq/46-4a10000027709-21/usr/sbin/munin21:00:570
7450930,0irq/46-4a10000026258-21cut19:20:340
7450930,0irq/46-4a10000023930-21tune2fs19:15:160
7450930,0irq/46-4a10000021254-21fschecks_time20:40:340
7450930,0irq/46-4a10000020877-21cut22:15:060
7450930,0irq/46-4a10000019971-21/usr/sbin/munin20:36:100
7450930,0irq/46-4a1000001904-21runrttasks21:19:440
7450930,0irq/46-4a1000001647-21sort00:26:050
7450930,0irq/46-4a10000014214-21/usr/sbin/munin23:30:540
7450930,0irq/46-4a10000014105-21chrt21:55:150
7450930,0irq/46-4a10000012285-21seq20:15:150
7450930,0irq/46-4a1000001205-21sensors19:41:000
7450930,0irq/46-4a10000011139-21seq21:45:370
7450930,0irq/46-4a10000010606-21aten_r4power_en20:10:180
7450930,0irq/46-4a10000010025-21/usr/sbin/munin23:16:070
70322930,0sleep032565-1kworker/u3:020:00:040
7450920,0irq/46-4a1000007372-21egrep21:35:210
7450920,0irq/46-4a1000006225-21/usr/sbin/munin21:30:540
7450920,0irq/46-4a1000005704-21aten_r4power_en23:05:180
7450920,0irq/46-4a1000004720-21sensors21:26:010
7450920,0irq/46-4a100000460-21snmpd00:01:210
7450920,0irq/46-4a10000032565-1kworker/u3:019:48:450
7450920,0irq/46-4a10000029959-21diskstats00:15:310
7450920,0irq/46-4a10000027905-21df19:25:250
7450920,0irq/46-4a10000026921-21/usr/sbin/munin20:56:040
7450920,0irq/46-4a10000022575-21sendmail-msp22:20:040
7450920,0irq/46-4a10000016288-21fw_forwarded_lo22:00:380
7450910,0irq/46-4a1000009293-21entropy21:40:320
7450910,0irq/46-4a1000007862-21ntp_states20:00:570
7450910,0irq/46-4a1000004484-21irqstats23:00:440
7450910,0irq/46-4a10000028374-21fschecks_time00:10:360
7450910,0irq/46-4a10000026451-21df00:05:280
7450910,0irq/46-4a10000024596-21diskstats20:50:330
7450910,0irq/46-4a10000023471-21chrt19:15:030
7450910,0irq/46-4a10000022692-21/usr/sbin/munin22:21:000
7450910,0irq/46-4a10000017533-21/usr/sbin/munin22:05:560
7450910,0irq/46-4a10000015960-21df_abs20:25:250
7450910,0irq/46-4a10000013863-21latency_hist20:20:060
277862910,0sleep027344-1kworker/u3:122:35:060
7450900,0irq/46-4a1000003671-21cron21:25:010
7450900,0irq/46-4a10000026505-21chrt22:30:350
7450900,0irq/46-4a10000023651-21users20:46:100
7450900,0irq/46-4a1000002297-21date00:30:040
7450900,0irq/46-4a10000011414-21chrt23:20:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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