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2026-09-15 - 02:42
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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 all highest latencies:
System rack4slot2.osadl.org (updated Tue Sep 15, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502120,0irq/45-4a10000011328-21/usr/sbin/munin19:05:120
1762629912,0sleep017661-21ls19:20:400
7450920,0irq/46-4a10000027614-21diskstats19:50:110
7450910,0irq/46-4a1000007553-21/usr/sbin/munin20:25:380
7450910,0irq/46-4a10000029871-21/usr/sbin/munin19:55:570
7450910,0irq/46-4a10000020206-21seq22:38:290
7450900,0irq/46-4a1000008875-21entropy22:05:160
7450900,0irq/46-4a100000539-21/usr/sbin/munin23:15:240
7450900,0irq/46-4a10000028461-21chrt23:01:000
7450900,0irq/46-4a1000001687-21date21:44:530
7450900,0irq/46-4a10000014798-21chrt20:46:140
7450890,0irq/46-4a10000031897-21seq20:01:280
7450890,0irq/46-4a10000031214-21fw_forwarded_lo23:10:190
7450890,0irq/46-4a10000026285-21memory00:30:340
7450890,0irq/46-4a10000025548-21sh00:29:480
7450890,0irq/46-4a10000019446-21/usr/sbin/munin21:00:360
7450890,0irq/46-4a10000017706-21memory22:30:340
7450890,0irq/46-4a10000016059-21ntpq20:50:360
7450890,0irq/46-4a10000012807-21/usr/sbin/munin23:50:410
7450880,0irq/46-4a100000442-21snmpd21:42:560
7450880,0irq/46-4a1000004075-21ntpdc20:15:360
7450880,0irq/46-4a10000026461-21grep21:20:440
7450880,0irq/46-4a10000025062-1kworker/u3:122:52:130
7450880,0irq/46-4a10000024207-21/usr/sbin/munin21:15:100
7450880,0irq/46-4a10000022800-21meminfo21:10:300
7450880,0irq/46-4a10000014140-21fw_conntrack23:55:170
7450880,0irq/46-4a10000013848-21rt-features19:10:390
7450880,0irq/46-4a10000011300-21grep22:10:460
7450870,0irq/46-4a1000007047-21cstates22:00:070
7450870,0irq/46-4a1000006669-21seq20:24:410
7450870,0irq/46-4a1000005208-21wget21:55:030
7450870,0irq/46-4a100000442-21snmpd19:42:100
7450870,0irq/46-4a1000003759-21diskstats23:25:120
7450870,0irq/46-4a10000031672sleep023:23:390
7450870,0irq/46-4a10000030695-21latency_hist21:34:520
7450870,0irq/46-4a10000027687-21diskstats00:35:110
7450870,0irq/46-4a10000026148-21if_eth022:55:250
7450870,0irq/46-4a10000023057-21grep19:35:540
7450870,0irq/46-4a10000022575-21df_inode00:20:130
7450870,0irq/46-4a10000021105-21memory21:05:310
7450870,0irq/46-4a10000020517-21ls00:14:530
7450870,0irq/46-4a10000019763-21switchtime00:10:440
7450870,0irq/46-4a10000019256-21if_err_eth019:25:230
7450870,0irq/46-4a10000018680-21sendmail-msp20:59:500
7450870,0irq/46-4a10000016925-21idleruntime-cro19:19:490
7450870,0irq/46-4a10000015496-21aten_r4power_po00:00:020
7450870,0irq/46-4a10000010767-21runrttasks20:35:270
7450860,0irq/46-4a1000008191-21seq23:37:580
7450860,0irq/46-4a1000005142-21seq23:29:560
7450860,0irq/46-4a10000027872-21irqstats21:25:260
7450860,0irq/46-4a10000025949-21fschecks_count19:45:140
7450860,0irq/46-4a10000023478-21sshd22:47:140
7450860,0irq/46-4a10000021810-21runrttasks22:42:310
7450860,0irq/46-4a10000021604-21sshd19:31:150
7450860,0irq/46-4a10000015925-21irqstats22:25:260
7450860,0irq/46-4a10000014027-21fschecks_count22:20:160
7450860,0irq/46-4a10000012174-21df20:40:090
7450860,0irq/46-4a10000010202-21wc23:44:520
7450850,0irq/46-4a100000442-21snmpd21:53:000
7450850,0irq/46-4a10000032487-21aten_r4power_en20:05:010
7450850,0irq/46-4a1000002382-21ntpq20:10:370
7450850,0irq/46-4a10000011865-21idleruntime-cro23:49:490
7450840,0irq/46-4a1000009056-21irqstats20:30:250
7450840,0irq/46-4a10000032008-21runrttasks21:37:200
7450840,0irq/46-4a10000030315-21runrttasks23:07:150
7450830,0irq/46-4a10000017338-21df00:05:050
7450830,0irq/46-4a10000012484-21irqstats22:15:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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