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2026-05-20 - 04:53
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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 the 100 highest latencies:
System rack4slot2.osadl.org (updated Wed May 20, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501980,0irq/46-4a10000018336-21/usr/sbin/munin18:59:250
19739998966,0cyclictest1830-21/usr/sbin/munin00:29:230
19739998673,0cyclictest10807-21/usr/sbin/munin23:19:490
19739998669,0cyclictest13105-21runrttasks23:26:100
19739998668,0cyclictest8458-21latency_hist23:14:140
19739998668,0cyclictest3946-21meminfo19:49:490
19739998668,0cyclictest32720-21df_inode21:14:310
19739998569,0cyclictest26067-21if_eth020:54:430
19739998563,0cyclictest25485-21runrttasks22:29:120
19739998563,0cyclictest21735-21runrttasks23:51:540
19739998559,0cyclictest22994-21find23:55:020
19739998464,0cyclictest29313-21df_abs00:14:330
19739998464,0cyclictest21086-21runrttasks19:06:290
19739998463,0cyclictest29651-21runrttasks22:39:550
19739998460,0cyclictest32464-21wget19:39:210
19739998457,0cyclictest21347-21runrttasks20:40:030
19739998448,0cyclictest31188-21idleruntime00:19:430
19739998366,0cyclictest10191-21/usr/sbin/munin20:09:200
19739998364,0cyclictest7242-21fw_forwarded_lo21:34:420
19739998364,0cyclictest32261-21cron19:39:090
19739998363,0cyclictest17296-21df_abs23:39:290
19739998361,0cyclictest18849-21aten_r4power_vo20:34:220
19739998361,0cyclictest16761-21runrttasks23:38:040
19739998350,0cyclictest2090-21fw_conntrack19:44:390
19739998165,0cyclictest13972-21fschecks_count20:19:360
19739998160,0cyclictest1122-21runrttasks00:25:490
19739998159,0cyclictest21788-21chrt22:17:120
19739998158,0cyclictest8950-21/usr/sbin/munin21:39:430
19739998158,0cyclictest27434-21cpu19:24:220
19739998156,0cyclictest28896-21tr00:14:100
19739998156,0cyclictest24163-21diskstats20:49:320
19739998148,0cyclictest28982-21/usr/sbin/munin21:04:190
19739998066,0cyclictest543-21/usr/sbin/munin22:49:500
19739998062,0cyclictest12919-21unixbench_singl20:15:070
19739998061,0cyclictest13951-21fschecks_count21:54:360
19739998060,0cyclictest20085-21seq22:12:240
19739998059,0cyclictest4479-21runrttasks21:25:290
19739998059,0cyclictest4072-21ntpq22:59:580
19739998057,0cyclictest22160-21uptime19:09:390
19739998057,0cyclictest15904-21runrttasks20:24:490
19739998045,0cyclictest23453-21sshd20:47:060
19739998044,0cyclictest17231-21df22:04:280
19739997960,0cyclictest6890-21wget23:09:240
19739997960,0cyclictest2882-21runrttasks21:21:180
19739997958,0cyclictest8785-21diskstats20:04:370
19739997957,0cyclictest28319-21awk22:35:090
19739997956,0cyclictest3296-21sshd22:59:120
19739997956,0cyclictest16384-21users22:00:100
19739997952,0cyclictest0-21swapper21:47:460
19739997947,0cyclictest17462-21fw_conntrack20:29:400
19739997860,0cyclictest22391-21df_abs22:19:270
19739997859,0cyclictest30182-1kworker/u3:119:31:180
19739997859,0cyclictest0-21swapper22:29:530
19739997854,0cyclictest19640-21chrt23:45:040
19739997852,0cyclictest28371-21seq21:00:120
19739997763,0cyclictest31981-21runrttasks22:46:520
19739997757,0cyclictest5507-21fw_conntrack23:04:370
19739997755,0cyclictest6382-21runrttasks21:32:100
19739997754,0cyclictest5351-21df_abs19:54:280
19739997754,0cyclictest24125-21df_abs19:14:260
19739997753,0cyclictest26383-21/usr/sbin/munin19:20:030
19739997751,0cyclictest0-21swapper21:09:200
19739997657,0cyclictest0-21swapper00:00:150
19739997654,0cyclictest13603-21sshd23:29:140
19739997653,0cyclictest12959-21users21:50:110
19739997557,0cyclictest25374-1kworker/u3:000:07:550
19739997552,0cyclictest82752sleep020:03:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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