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2026-03-07 - 03:23
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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 20 highest latencies:
System rack4slot2.osadl.org (updated Fri Mar 06, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745012950,0irq/46-4a10000032256-1kworker/u3:107:02:070
18999911175,0cyclictest0-21swapper07:32:480
18999910279,0cyclictest0-21swapper08:37:550
1899999978,0cyclictest14485-21sensors_temp10:52:590
1899999967,0cyclictest0-21swapper09:57:530
1899999882,0cyclictest31344-21ntp_kernel_pll_08:32:490
1899999881,0cyclictest15604-21df_inode12:32:210
1899999868,0cyclictest0-21swapper08:02:200
1899999778,0cyclictest20638-21df09:37:190
1899999676,0cyclictest15764-21/usr/sbin/munin09:22:340
1899999563,0cyclictest0-21swapper08:12:550
1899999477,0cyclictest29351-21cut11:37:280
1899999476,0cyclictest8659-21ls12:12:170
1899999476,0cyclictest12400-21irqstats09:12:400
1899999475,0cyclictest8930-21fw_conntrack10:37:330
1899999475,0cyclictest18009-21/usr/sbin/munin11:02:590
1899999474,0cyclictest28902-21latency_hist08:27:050
1899999467,0cyclictest10691-21interrupts09:07:400
1899999461,0cyclictest0-21swapper08:42:550
1899999374,0cyclictest29573-21modprobe10:02:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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