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2026-01-05 - 09:56
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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 highest latencies:
System rack4slot2.osadl.org (updated Mon Jan 05, 2026 00:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502180,0irq/45-4a1000003355-21kworker/0:419:05:450
107309913644,0cyclictest26927-21/usr/sbin/munin23:05:510
107309913262,0cyclictest7350irq/45-4a10000021:01:370
107309912943,0cyclictest10580-21aten_r4power_en23:54:410
107309912842,0cyclictest7399-21df_inode22:09:580
107309912750,0cyclictest7350irq/45-4a10000022:20:370
107309912743,0cyclictest1130-21/usr/sbin/munin21:50:390
107309912542,0cyclictest5859-21/usr/sbin/munin22:05:100
107309912439,0cyclictest12227-21/usr/sbin/munin22:24:330
107309912437,0cyclictest364-21aten_r4power_po23:24:440
107309912343,0cyclictest24566-21runrttasks00:35:020
107309912240,0cyclictest5026-21runrttasks22:02:490
107309912144,0cyclictest14300-21fschecks_time19:20:130
107309912040,0cyclictest0-21swapper21:30:050
107309911939,0cyclictest0-21swapper20:25:530
107309911938,0cyclictest0-21swapper19:25:030
107309911850,0cyclictest0-21swapper19:47:320
107309911843,0cyclictest0-21swapper23:42:570
107309911840,0cyclictest20468-21runrttasks22:48:080
107309911840,0cyclictest0-21swapper19:54:480
107309911839,0cyclictest0-21swapper21:10:380
107309911743,0cyclictest10516-1kworker/u3:120:54:350
107309911738,0cyclictest0-21swapper20:49:240
107309911735,0cyclictest25292-21runrttasks19:51:220
107309911735,0cyclictest0-21swapper22:54:590
107309911639,0cyclictest0-21swapper20:15:540
107309911442,0cyclictest7350irq/45-4a10000019:29:400
107309911338,0cyclictest0-21swapper22:42:410
107309911338,0cyclictest0-21swapper19:43:120
107309911334,0cyclictest0-21swapper00:28:250
107309911241,0cyclictest31450-21/usr/sbin/munin20:10:160
107309911241,0cyclictest0-21swapper23:22:150
107309911236,0cyclictest0-21swapper00:05:550
107309911139,0cyclictest0-21swapper20:07:420
107309910934,0cyclictest0-21swapper20:01:040
107309910836,0cyclictest0-21swapper21:08:540
107309910352,0cyclictest0-21swapper19:10:490
107309910333,0cyclictest0-21swapper00:21:020
10730998357,0cyclictest0-21swapper00:10:230
7350820,0irq/45-4a10000010325-21modprobe20:44:220
7450790,0irq/46-4a1000002134-21kworker/u2:219:15:450
10730997945,0cyclictest0-21swapper22:14:370
7350780,0irq/45-4a1000004499-1kworker/u3:020:29:330
10730997752,0cyclictest0-21swapper22:29:360
7450760,0irq/46-4a10000028779-1kworker/u3:121:37:080
10730997647,0cyclictest12-21ksoftirqd/023:00:130
7450740,0irq/46-4a10000020456-1kworker/u3:119:39:200
7450730,0irq/46-4a1000007757-21kworker/u2:423:45:540
7350730,0irq/45-4a1000002800-21find20:20:490
7450720,0irq/46-4a10000030501-1kworker/u3:021:54:500
7450720,0irq/46-4a10000029174-21apt23:14:230
7450720,0irq/46-4a10000025194-1kworker/u3:623:14:490
7450720,0irq/46-4a10000023335-1kworker/u3:021:24:490
7450720,0irq/46-4a10000018646-1kworker/u3:021:15:370
7450720,0irq/46-4a10000015715-1kworker/u3:100:16:430
7450720,0irq/46-4a10000015652-1kworker/u3:322:34:430
7450720,0irq/46-4a1000001342-1kworker/u3:223:30:230
7450720,0irq/46-4a10000012871-1kworker/u3:020:53:100
10730997243,0cyclictest0-21swapper21:42:060
7450710,0irq/46-4a10000028779-1kworker/u3:121:45:380
7450710,0irq/46-4a1000001342-1kworker/u3:223:49:450
7450710,0irq/46-4a10000010204-1kworker/u3:100:00:580
7450700,0irq/46-4a10000017373-1kworker/u3:022:50:470
7450700,0irq/46-4a1000001342-1kworker/u3:223:34:560
7350700,0irq/45-4a10000014457-21kworker/u2:921:19:400
229622700,0sleep012022-1kworker/u3:000:30:110
10730996855,0cyclictest7350irq/45-4a10000020:35:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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