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2026-03-06 - 19:37
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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 50 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
1899999374,0cyclictest27938-21modprobe11:32:490
1899999374,0cyclictest10646-21/usr/sbin/munin10:42:340
1899999372,0cyclictest3796-21latency_hist07:12:110
1899999360,0cyclictest0-21swapper11:57:360
1899999275,0cyclictest26011-21runrttasks11:27:330
1899999274,0cyclictest6982-21/usr/sbin/munin08:57:210
1899999274,0cyclictest2250-21meminfo10:17:420
1899999273,0cyclictest10053-21modprobe07:32:030
1899999175,0cyclictest25863-21df_inode08:17:240
1899999072,0cyclictest12093-21df07:37:180
1899999058,0cyclictest0-21swapper11:22:530
1899999058,0cyclictest0-21swapper07:07:580
1899999057,0cyclictest0-21swapper11:07:260
1899999057,0cyclictest0-21swapper07:57:190
1899999056,0cyclictest0-21swapper07:43:030
1899998973,0cyclictest14128-21irqstats12:27:390
1899998971,0cyclictest364-21fw_conntrack11:47:310
1899998970,0cyclictest30857-21ls10:07:160
1899998966,0cyclictest0-21swapper11:42:520
1899998956,0cyclictest0-21swapper07:17:550
1899998873,0cyclictest28964-21/usr/sbin/munin08:27:570
1899998873,0cyclictest26608-21users09:53:000
1899998872,0cyclictest10441-21df_abs12:17:200
1899998871,0cyclictest3816-21fw_forwarded_lo10:22:360
1899998870,0cyclictest17518-21irqstats07:52:380
1899998868,0cyclictest18728-21aten_r4power_cu09:32:120
1899998857,0cyclictest0-21swapper09:28:030
1899998773,0cyclictest22255-21aten_r4power_vo11:17:150
1899998771,0cyclictest8993-21irqstats09:02:390
1899998770,0cyclictest12905-21grep12:23:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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