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2026-07-01 - 11:18
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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 Wed Jul 01, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1599628140,0chrt14396-1kworker/u3:119:08:340
7350890,0irq/45-4a10000031283-21wget21:29:380
7450870,0irq/46-4a10000018485-21switchtime22:25:220
7450860,0irq/46-4a100000438-21snmpd00:30:160
212482860,0sleep017300-1kworker/u3:120:59:450
7450850,0irq/46-4a100000438-21snmpd21:18:380
7450840,0irq/46-4a10000028265-21seq22:54:590
7350840,0irq/45-4a100000492-21/usr/sbin/munin19:59:350
7450830,0irq/46-4a100000438-21snmpd22:08:570
7450830,0irq/46-4a100000438-21snmpd21:23:390
7450830,0irq/46-4a10000014039-21sendmail-msp20:39:490
7350830,0irq/45-4a100000438-21snmpd22:44:110
7350830,0irq/45-4a10000025609-21runrttasks22:46:340
206842830,0sleep017300-1kworker/u3:120:58:140
7450820,0irq/46-4a100000438-21snmpd23:39:440
7450820,0irq/46-4a1000004172-21df_abs20:09:450
7450820,0irq/46-4a1000003786-1kworker/u3:020:15:210
7450820,0irq/46-4a1000002407-21df20:04:420
7450820,0irq/46-4a10000022705-21/usr/sbin/munin19:30:130
7450820,0irq/46-4a10000022525-21cron22:39:250
7450820,0irq/46-4a10000017974-21wc19:14:310
7450820,0irq/46-4a10000015096-21timerandwakeup22:15:230
22232820,0sleep020881-1kworker/u3:221:39:360
7450810,0irq/46-4a1000008905-21sendmail-msp22:00:220
7450810,0irq/46-4a1000007188-21seq21:54:260
7450810,0irq/46-4a100000438-21snmpd23:49:510
7450810,0irq/46-4a100000438-21snmpd21:48:500
7450810,0irq/46-4a10000032404-21runrttasks23:06:180
7450810,0irq/46-4a10000031235-21/usr/sbin/munin19:55:260
7450810,0irq/46-4a10000029571-21wget22:59:380
7450810,0irq/46-4a10000027153-21users22:50:260
7450810,0irq/46-4a1000002492-21/usr/sbin/munin23:14:510
7450810,0irq/46-4a10000021900-21df00:14:440
7450810,0irq/46-4a10000019166-21sendmail19:19:260
7450810,0irq/46-4a10000017300-1kworker/u3:121:05:230
7450810,0irq/46-4a10000017086-1kworker/u3:000:02:370
7350810,0irq/45-4a1000004327-21fschecks_time23:20:000
7350810,0irq/45-4a10000019992-21awk19:20:230
7350810,0irq/45-4a10000014039-21sendmail-msp20:39:270
7450800,0irq/46-4a1000009184-21cstates23:34:430
7450800,0irq/46-4a1000007899-21runrttasks23:30:080
7450800,0irq/46-4a1000007518-21cstates20:19:420
7450800,0irq/46-4a1000007424-21egrep21:54:400
7450800,0irq/46-4a100000438-21snmpd23:24:330
7450800,0irq/46-4a10000031205-1kworker/u3:123:10:530
7450800,0irq/46-4a10000029716-21/usr/sbin/munin19:49:420
7450800,0irq/46-4a10000024863-21runrttasks19:34:570
7450800,0irq/46-4a10000021037-21aten_r4power_en19:24:360
7450800,0irq/46-4a1000002078-21sendmail-msp21:39:290
7450800,0irq/46-4a10000020557-1kworker/u3:000:13:110
7450800,0irq/46-4a10000015936-21wget23:54:370
7450800,0irq/46-4a10000015858-21sshd20:44:340
7450790,0irq/46-4a100000438-21snmpd23:44:480
7450790,0irq/46-4a10000030413-21sensors21:25:200
7450790,0irq/46-4a10000027846-21aten_r4power_cu19:44:350
7450790,0irq/46-4a10000026015-1kworker/u3:119:40:090
7450790,0irq/46-4a10000025406-21sed00:24:450
7450790,0irq/46-4a10000023300-21sendmail-msp00:20:140
7450790,0irq/46-4a10000019866-21/usr/sbin/munin22:30:080
7450790,0irq/46-4a10000018921-1kworker/u3:200:05:360
7450790,0irq/46-4a10000017300-1kworker/u3:121:10:050
7450790,0irq/46-4a10000015858-21/usr/sbin/munin22:19:560
7450790,0irq/46-4a10000012423-21/usr/sbin/munin22:10:140
7450790,0irq/46-4a10000011219-21if_eth020:29:590
7450790,0irq/46-4a10000010625-21grep20:29:270
7350790,0irq/45-4a10000030103-21munin-run00:39:290
7450780,0irq/46-4a10000018015-21runrttasks20:49:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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