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2026-08-26 - 01:53
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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 Wed Aug 26, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502040,0irq/45-4a10000030708-21/usr/sbin/munin19:04:340
323159913044,0cyclictest22758-21/usr/sbin/munin20:14:260
323159912653,0cyclictest7350irq/45-4a10000023:00:040
323159912437,0cyclictest14434-21/usr/sbin/munin00:34:390
323159912251,0cyclictest7350irq/45-4a10000022:20:110
323159912235,0cyclictest8438-21users22:40:360
323159912111,0cyclictest26904-21/usr/sbin/munin22:00:240
323159912052,0cyclictest7350irq/45-4a10000020:59:550
323159912041,0cyclictest20458-21runrttasks21:40:500
323159912035,0cyclictest29557-21date20:34:200
323159911946,0cyclictest7350irq/45-4a10000023:19:550
323159911943,0cyclictest0-21swapper22:14:040
323159911936,0cyclictest1725-21runrttasks23:56:480
323159911934,0cyclictest30116-21chrt23:44:570
323159911933,0cyclictest1242-21ntpq20:45:060
323159911932,0cyclictest8237-21/usr/sbin/munin00:15:170
323159911932,0cyclictest20712-21runrttasks23:18:160
323159911930,0cyclictest11717-21grep21:15:160
323159911849,0cyclictest7350irq/45-4a10000022:54:500
323159911840,0cyclictest11626-21sensors_temp22:50:140
323159911835,0cyclictest27866-21aten_r4power_en23:39:290
323159911833,0cyclictest7574-21/usr/sbin/munin19:29:320
323159911833,0cyclictest24970-21if_err_eth020:20:000
323159911831,0cyclictest24990-21/usr/sbin/munin21:54:550
323159911827,0cyclictest17898-21seq21:34:380
32315991179,0cyclictest18162-21memory23:09:590
323159911751,0cyclictest0-21swapper19:58:410
323159911736,0cyclictest22928-21df21:49:340
323159911734,0cyclictest317522sleep022:14:520
323159911732,0cyclictest15865-21/usr/sbin/munin23:04:240
323159911730,0cyclictest2552-21diskstats20:49:470
323159911646,0cyclictest12-21ksoftirqd/021:19:460
323159911639,0cyclictest0-21swapper20:02:050
323159911636,0cyclictest21504-21idleruntime20:09:490
323159911635,0cyclictest32285-21users23:50:200
323159911632,0cyclictest13713-21seq19:46:160
323159911631,0cyclictest5335-21seq20:57:550
323159911630,0cyclictest28854-21unixbench_singl22:05:180
323159911629,0cyclictest12108-21runrttasks00:27:520
323159911629,0cyclictest11896-21grep19:40:320
323159911627,0cyclictest2321-21cut19:14:450
323159911615,0cyclictest9399-21diskstats19:34:390
323159911540,0cyclictest0-21swapper00:30:180
323159911534,0cyclictest25428-21unixbench_singl23:30:190
323159911534,0cyclictest15822-21latency_hist21:29:180
323159911532,0cyclictest7224-21sendmail-msp22:39:190
323159911530,0cyclictest8847-21seq21:08:400
323159911529,0cyclictest2592-21tune2fs22:24:430
323159911528,0cyclictest2712-21if_eth000:00:020
323159911437,0cyclictest26461-21df_abs20:24:500
323159911434,0cyclictest161052chrt21:29:330
323159911419,0cyclictest7268-21munin-run19:29:170
323159911411,0cyclictest9961-21/usr/sbin/munin22:45:140
323159911410,0cyclictest6284-21/usr/sbin/munin00:10:050
323159911410,0cyclictest23454-21chrt23:25:070
323159911337,0cyclictest0-21swapper19:21:090
323159911328,0cyclictest31759-21fw_forwarded_lo20:39:570
323159911325,0cyclictest32733-21seq19:09:380
323159911232,0cyclictest14739-21irqstats19:49:530
323159911231,0cyclictest19650-21seq20:04:400
323159911214,0cyclictest4989-21seq22:30:220
323159911211,0cyclictest22083-21seq21:45:180
323159911133,0cyclictest10454-21runrttasks21:12:550
323159911114,0cyclictest28179-21diskstats20:29:410
323159911113,0cyclictest4836-21threads00:05:150
323159911037,0cyclictest0-21swapper23:38:210
323159911010,0cyclictest9013-21/usr/sbin/munin00:20:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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