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2025-12-12 - 05:20
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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 Fri Dec 12, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502340,0irq/46-4a10000027931-1kworker/u3:219:05:550
29238998558,0cyclictest0-21swapper21:47:390
29238998355,0cyclictest0-21swapper22:23:060
29238998252,0cyclictest0-21swapper22:12:410
29238998249,0cyclictest0-21swapper00:29:340
29238998157,0cyclictest0-21swapper23:48:230
29238997544,0cyclictest25928-21/usr/sbin/munin23:38:270
29238997451,0cyclictest0-21swapper21:58:030
7450730,0irq/46-4a1000009504-21apt-get19:42:430
29238997341,0cyclictest16938-21/usr/sbin/munin23:13:020
29238997254,0cyclictest7350irq/45-4a10000019:37:590
29238997153,0cyclictest1720-21ntp_kernel_pll_20:53:230
29238997152,0cyclictest1396-21/usr/sbin/munin19:18:080
29238997147,0cyclictest23750-21sshd23:32:580
7450700,0irq/46-4a100000314-21cron19:49:300
29238997050,0cyclictest31246-21switchtime23:53:360
29238997050,0cyclictest19562-21runrttasks20:12:010
29238996955,0cyclictest0-21swapper23:18:060
29238996948,0cyclictest17535-21runrttasks20:04:190
29238996946,0cyclictest4357-21runrttasks19:27:440
29238996945,0cyclictest23093-21sshd23:30:580
29238996941,0cyclictest32716-21/usr/sbin/munin19:13:520
29238996935,0cyclictest7729-1kworker/u3:121:12:260
29238996855,0cyclictest7350irq/45-4a10000021:28:030
29238996848,0cyclictest14473-21runrttasks23:05:330
29238996846,0cyclictest7531-21runrttasks19:36:460
29238996845,0cyclictest2742-21/usr/sbin/munin19:22:480
7350670,0irq/45-4a10000010742-1kworker/u3:400:32:440
29238996754,0cyclictest7350irq/45-4a10000021:03:260
29238996744,0cyclictest0-21swapper20:32:440
29238996741,0cyclictest32266-21fw_packets20:48:110
29238996741,0cyclictest0-21swapper20:45:300
29238996730,0cyclictest23772-21kernelversion20:23:170
29238996642,0cyclictest15288-21ls19:58:200
29238996642,0cyclictest0-21swapper22:42:390
29238996638,0cyclictest0-21swapper20:30:580
29238996635,0cyclictest9565-1kworker/u3:021:25:200
29238996553,0cyclictest12-21ksoftirqd/023:42:460
29238996547,0cyclictest20410-21/usr/sbin/munin20:13:200
29238996544,0cyclictest9508-21runrttasks00:25:520
29238996544,0cyclictest19316-21runrttasks21:43:430
29238996540,0cyclictest32470-21perl23:58:060
29238996450,0cyclictest0-21swapper22:59:590
29238996445,0cyclictest10255-21/usr/sbin/munin21:18:200
29238996444,0cyclictest7981-21seq00:22:220
29238996443,0cyclictest22680-21runrttasks20:19:150
29238996442,0cyclictest29215-21run-parts20:38:290
29238996437,0cyclictest15229-21fw_forwarded_lo21:33:070
7350630,0irq/45-4a10000024490-1kworker/u3:522:02:470
7350630,0irq/45-4a10000022989-1kworker/u3:022:17:420
29238996347,0cyclictest1733-21fschecks_time00:03:070
29238996343,0cyclictest30943-21awk19:12:320
29238996343,0cyclictest0-21swapper00:11:350
29238996342,0cyclictest11051-21runrttasks22:55:430
29238996341,0cyclictest14502-21awk19:57:320
29238996340,0cyclictest0-21swapper21:00:350
29238996339,0cyclictest0-21swapper00:12:520
7350620,0irq/45-4a10000012225-21kworker/0:221:52:460
29238996247,0cyclictest0-21swapper22:41:170
29238996247,0cyclictest0-21swapper21:40:520
29238996243,0cyclictest8614-21/usr/sbin/munin21:13:290
29238996243,0cyclictest3993-21runrttasks22:34:000
29238996243,0cyclictest20441-21fschecks_time23:23:060
29238996243,0cyclictest0-21swapper22:31:040
7350610,0irq/45-4a1000000-21swapper22:07:490
29238996139,0cyclictest0-21swapper22:47:500
29238996137,0cyclictest0-21swapper23:11:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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