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2026-04-03 - 04:08
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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 Fri Apr 03, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501920,0irq/46-4a1000003050-21/usr/sbin/munin19:01:200
7350970,0irq/45-4a1000009130-21/usr/sbin/munin20:51:450
2543229717,0sleep025439-21munin-run20:06:010
7450950,0irq/46-4a10000014260-21/usr/sbin/munin19:31:450
304562950,0sleep028792-1kworker/u3:223:30:210
7450930,0irq/46-4a1000006396-21entropy19:11:160
7450930,0irq/46-4a1000005429-21grep20:41:240
7450930,0irq/46-4a10000027575-21df_inode23:21:190
7450920,0irq/46-4a10000019376-21ntp_kernel_err19:46:460
7450920,0irq/46-4a10000016016-21ntp_offset00:21:480
7450920,0irq/46-4a10000015295-21/usr/sbin/munin22:46:530
7450920,0irq/46-4a10000010634-21chrt20:56:270
7350920,0irq/45-4a10000018597-21modprobe21:20:590
7450910,0irq/46-4a1000009191-21/usr/sbin/munin19:16:470
7450910,0irq/46-4a1000009137-21/usr/sbin/munin00:01:450
7450910,0irq/46-4a1000005508-21fw_forwarded_lo23:51:310
7450910,0irq/46-4a100000459-21kernelversion22:01:390
7450910,0irq/46-4a1000004015-1kworker/u3:019:10:430
7450910,0irq/46-4a1000003543-21df22:11:160
7450910,0irq/46-4a10000031035-21/usr/sbin/munin23:31:270
7450910,0irq/46-4a10000027256-1kworker/u3:020:25:450
7450910,0irq/46-4a10000026601-1kworker/u3:021:43:140
7450910,0irq/46-4a10000019808-21/usr/sbin/munin22:57:020
7450910,0irq/46-4a10000017730-21ntp_states19:41:480
7450910,0irq/46-4a10000012704-21awk21:01:520
7450910,0irq/46-4a10000012191-21/usr/sbin/munin19:26:190
7450910,0irq/46-4a1000001146-21runrttasks20:28:090
7450910,0irq/46-4a10000010510-21fschecks_count22:31:270
216412910,0chrt18206-1kworker/u3:019:53:080
7450900,0irq/46-4a1000007865-21/usr/sbin/munin23:57:020
7450900,0irq/46-4a1000007191-21tune2fs22:21:280
7450900,0irq/46-4a1000005074-21/usr/sbin/munin22:16:560
7450900,0irq/46-4a100000460-21snmpd23:39:260
7450900,0irq/46-4a10000029135-21cpuspeed21:51:140
7450900,0irq/46-4a10000028200-21threads20:11:560
7450900,0irq/46-4a10000026084-21runrttasks20:06:380
7450900,0irq/46-4a10000022526-21fschecks_time23:06:270
7450900,0irq/46-4a1000002150-21irqstats22:06:360
7450900,0irq/46-4a10000020499-21aten_r4power_po21:26:120
7450900,0irq/46-4a1000001934-21/usr/sbin/munin20:31:190
7450900,0irq/46-4a10000014499-21/usr/sbin/munin21:06:570
130542900,0sleep09884-1kworker/u3:222:37:380
7450890,0irq/46-4a1000008535-21/usr/sbin/munin22:26:130
7450890,0irq/46-4a1000007169-21fschecks_time20:46:250
7450890,0irq/46-4a1000002833-21chrt23:42:530
7450890,0irq/46-4a10000027800-21sshd21:46:390
7450890,0irq/46-4a10000026174-21meminfo23:16:410
7450890,0irq/46-4a10000024181-21/usr/sbin/munin21:36:250
7450890,0irq/46-4a10000024047-21df23:11:150
7450890,0irq/46-4a10000023743-21sendmail-msp21:36:010
7450890,0irq/46-4a10000021046-1kworker/u3:123:04:110
7450890,0irq/46-4a10000019978-21runrttasks21:23:250
7450890,0irq/46-4a10000019639-21switchtime00:31:550
7450890,0irq/46-4a10000017650-21grep00:26:470
7450890,0irq/46-4a10000017449-21perl22:51:280
7450890,0irq/46-4a10000015747-21fschecks_time19:36:280
7450890,0irq/46-4a10000013304-1kworker/u3:000:19:070
7450890,0irq/46-4a10000011776-21awk19:26:000
7450880,0irq/46-4a1000004238-21grep20:36:530
7450880,0irq/46-4a1000003783-21perl23:46:270
7450880,0irq/46-4a10000029012-21wget20:16:090
7450880,0irq/46-4a10000022146-21/usr/sbin/munin19:56:100
7450880,0irq/46-4a10000015303-21/usr/sbin/munin21:11:130
7450880,0irq/46-4a10000013878-21sed22:41:190
7450880,0irq/46-4a10000010801-21chrt00:06:450
7450870,0irq/46-4a10000030641-21date21:56:040
7450870,0irq/46-4a10000013213-21chrt00:13:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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