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2026-04-05 - 05:13
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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 792 highest latencies:
System rack4slot2.osadl.org (updated Sun Apr 05, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502700,0irq/46-4a10000021674-1kworker/u3:219:04:130
236249912833,0cyclictest30951-1kworker/u3:200:21:350
236249912340,0cyclictest2170-21/usr/sbin/munin19:36:060
236249912335,0cyclictest1353-21switchtime22:41:520
236249912333,0cyclictest28690-21switchtime19:16:490
236249912332,0cyclictest12238-21munin-plugin-st20:05:550
236249912233,0cyclictest14757-21ntpq20:11:420
236249912138,0cyclictest23094-21runrttasks20:36:270
236249912133,0cyclictest31770-21sshd19:26:400
236249912131,0cyclictest23642-21unixbench_singl23:46:550
236249912042,0cyclictest6227-21/usr/sbin/munin00:31:410
236249912040,0cyclictest15204-21runrttasks23:22:090
236249912034,0cyclictest460-21snmpd19:58:160
236249912032,0cyclictest18435-21ls20:21:530
236249911947,0cyclictest7350irq/45-4a10000019:21:410
236249911937,0cyclictest10149-21runrttasks21:32:560
236249911932,0cyclictest22987-21tune2fs22:11:210
236249911931,0cyclictest2026-21latency_hist21:10:580
236249911929,0cyclictest3828-21seq22:51:030
236249911840,0cyclictest0-21swapper21:44:000
236249911832,0cyclictest8831-21/usr/sbin/munin21:30:570
236249911832,0cyclictest18029-21kernelversion23:31:320
236249911831,0cyclictest6642-21chrt22:57:000
236249911830,0cyclictest5067-21seq00:28:050
236249911739,0cyclictest11817-21runrttasks23:12:350
236249911737,0cyclictest26957-21sensors19:12:090
236249911734,0cyclictest29824-21fschecks_count22:31:210
236249911731,0cyclictest17167-21runrttasks21:54:280
236249911730,0cyclictest20298-21seq22:02:000
236249911729,0cyclictest32449-21runrttasks22:38:290
236249911729,0cyclictest22193-21seq22:08:400
236249911729,0cyclictest1297-21/usr/sbin/munin19:31:500
236249911642,0cyclictest25024-21/usr/sbin/munin22:16:410
236249911635,0cyclictest6237-21ntp_offset21:21:430
236249911633,0cyclictest2698-21wc22:46:340
236249911632,0cyclictest31777-21memory21:01:380
236249911630,0cyclictest17810-21df21:56:170
236249911629,0cyclictest25064-21runrttasks19:08:580
236249911611,0cyclictest19646-21chrt20:26:260
236249911547,0cyclictest12-21ksoftirqd/021:36:470
236249911541,0cyclictest0-21swapper22:21:560
236249911533,0cyclictest310092chrt21:00:470
236249911529,0cyclictest6470-21runrttasks19:46:510
236249911529,0cyclictest4963-21runrttasks21:17:160
236249911529,0cyclictest25502-21runrttasks20:42:360
236249911529,0cyclictest2468-21fschecks_count21:11:210
236249911529,0cyclictest13783-1kworker/u3:220:17:010
236249911513,0cyclictest8291-21/usr/sbin/munin19:51:530
236249911427,0cyclictest13784-21seq20:09:470
236249911334,0cyclictest26318-21df_abs23:56:130
236249911328,0cyclictest29891-21/usr/sbin/munin00:06:230
236249911323,0cyclictest28615-21mailstats20:51:500
236249911237,0cyclictest0-21swapper23:01:340
236249911236,0cyclictest15141-21users21:46:550
236249911234,0cyclictest21642-21open_files23:41:450
236249911233,0cyclictest484-21runrttasks19:41:250
236249911233,0cyclictest27852-21cut22:26:070
236249911230,0cyclictest27036-21runrttasks20:46:520
236249911226,0cyclictest12605-1kworker/u3:223:16:180
236249911138,0cyclictest0-21swapper00:16:300
236249911133,0cyclictest15962-21cpuspeed23:26:090
236249911128,0cyclictest20499-21runrttasks23:38:360
236249911112,0cyclictest10511-21cron23:10:540
236249911029,0cyclictest31430-21df_abs00:11:140
236249911026,0cyclictest28384-21/usr/sbin/munin00:01:380
236249911026,0cyclictest25502-1kworker/u3:223:53:150
236249911011,0cyclictest21280-21tune2fs20:31:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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