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2025-12-27 - 07:50
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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 Dec 27, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73508060,0irq/45-4a10000022532sleep019:09:210
7350960,0irq/45-4a10000011809-21seq21:10:030
7350920,0irq/45-4a10000010407-21/usr/sbin/munin22:40:170
7350910,0irq/45-4a10000017965-21/usr/sbin/munin23:00:590
7450900,0irq/46-4a1000001436-21seq20:39:570
38602890,0sleep025178-1kworker/u3:222:20:440
7450880,0irq/46-4a1000006521-21date20:54:480
7450880,0irq/46-4a100000460-21snmpd21:41:170
7450880,0irq/46-4a10000032319-21wget22:10:000
7450880,0irq/46-4a10000031387-21/usr/sbin/munin20:30:480
7450880,0irq/46-4a10000013187-21kworker/u2:219:40:260
132702880,0sleep02987-1kworker/u3:022:49:090
7450870,0irq/46-4a1000006384-21sendmail-msp19:19:580
7450870,0irq/46-4a10000029657-21runrttasks23:35:460
7450870,0irq/46-4a10000010495-21fschecks_count00:15:150
226022876,0sleep022608-21ntp_states20:05:400
124092870,0chrt11764-1kworker/u3:100:20:300
7450860,0irq/46-4a100000843-21runrttasks20:36:130
7450860,0irq/46-4a10000058-21kswapd023:12:050
7450860,0irq/46-4a1000004903-21sendmail-msp23:59:470
7450860,0irq/46-4a10000032320-21/usr/sbin/munin23:45:400
7450860,0irq/46-4a1000003157-1kworker/u3:200:00:540
7450860,0irq/46-4a10000025743-21fschecks_count21:50:120
7450860,0irq/46-4a10000020242-21copy23:09:500
7450860,0irq/46-4a1000002015-21fschecks_time23:50:180
7450860,0irq/46-4a10000020065-21sendmail-msp20:00:430
7350860,0irq/45-4a10000028137-21sshd20:21:040
93232850,0chrt9220-1kworker/u3:021:00:590
7450850,0irq/46-4a1000005051-21cstates20:50:050
7450850,0irq/46-4a100000460-21snmpd22:31:420
7450850,0irq/46-4a100000460-21snmpd20:25:340
7450850,0irq/46-4a10000030501-21sendmail-msp23:40:350
7450850,0irq/46-4a10000026325-21mailstats23:25:430
7450850,0irq/46-4a10000023543-21grep20:09:460
7450850,0irq/46-4a10000021024-21proc_pri21:35:420
7450850,0irq/46-4a10000015636-21latency19:45:330
7450850,0irq/46-4a10000015299-21seq00:29:580
7450850,0irq/46-4a10000014211-21memory00:25:360
7450850,0irq/46-4a10000010001-21runrttasks21:04:550
240932850,0chrt21041-1kworker/u3:323:20:140
7450840,0irq/46-4a1000009464-21unixbench_singl00:10:500
7450840,0irq/46-4a1000007044-21runrttasks00:05:100
7450840,0irq/46-4a1000003663-21pure-ftpd19:11:430
7450840,0irq/46-4a1000003466-21diskstats20:45:120
7450840,0irq/46-4a10000027557-21seq21:55:190
7450840,0irq/46-4a10000027413-21runrttasks23:30:070
7450840,0irq/46-4a10000024323-21meminfo21:45:440
7450840,0irq/46-4a10000017404-21uname21:25:300
7450840,0irq/46-4a10000017057-21aten_r4power_en00:34:580
7450840,0irq/46-4a10000017013-21df_abs19:50:070
7450840,0irq/46-4a10000016122-21ls22:55:440
7450840,0irq/46-4a10000015526-21fschecks_count21:20:190
7450840,0irq/46-4a10000013424-21date22:49:460
7450830,0irq/46-4a1000009951-21sendmail-msp22:39:470
7450830,0irq/46-4a1000008636-21perl19:25:170
7450830,0irq/46-4a10000032019-21chrt22:09:110
7450830,0irq/46-4a1000002941-21chrt22:18:470
7450830,0irq/46-4a10000025922-21seq20:15:330
7450830,0irq/46-4a10000022762-21/usr/sbin/munin23:15:420
7450830,0irq/46-4a10000018982-21interrupts19:55:260
7450830,0irq/46-4a10000013500-21cut21:15:000
7450830,0irq/46-4a10000011204-21runrttasks19:32:320
7450820,0irq/46-4a1000005899-21runrttasks19:16:100
7450820,0irq/46-4a1000005250-21df_inode22:25:110
7450820,0irq/46-4a10000028919-1kworker/u3:122:00:480
7450820,0irq/46-4a10000018536-21date21:29:470
7450820,0irq/46-4a10000011836-21chrt19:35:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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