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2026-06-19 - 12:11
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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 Fri Jun 19, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501970,0irq/46-4a10000015297-21sshd19:07:040
15696999577,0cyclictest27292-21/usr/sbin/munin00:25:470
15696998561,0cyclictest24810-21idleruntime-cro19:34:550
15696998465,0cyclictest9854-21runrttasks23:35:200
15696998359,0cyclictest1555-21irqstats20:00:340
15696998263,0cyclictest15236-21irqstats22:15:520
15696998153,0cyclictest26949-21diskstats21:15:190
15696998067,0cyclictest7075-21/usr/sbin/munin21:50:510
15696998062,0cyclictest3585-21mailstats21:40:550
15696998061,0cyclictest438-21snmpd22:35:300
15696998060,0cyclictest31339-21runrttasks00:37:490
15696998057,0cyclictest18445-21fschecks_count00:00:250
15696997958,0cyclictest26990-21fschecks_count22:50:220
15696997957,0cyclictest8994-21runrttasks23:31:360
15696997957,0cyclictest24927-21runrttasks19:35:010
15696997956,0cyclictest5005-21latency20:10:320
15696997955,0cyclictest22236-21ntp_states21:00:500
15696997955,0cyclictest1019-21aten_r4power_cu21:35:050
15696997861,0cyclictest21410-21latency_hist00:09:570
15696997852,0cyclictest13375-21tune2fs22:10:220
15696997851,0cyclictest26235-21runrttasks22:47:460
15696997842,0cyclictest24314-21seq00:16:070
15696997841,0cyclictest9768-21df22:00:130
15696997760,0cyclictest4500-21aten_r4power_en21:45:070
15696997760,0cyclictest31614-21cron23:04:550
15696997758,0cyclictest7109-21timerandwakeup23:25:550
15696997757,0cyclictest750-21runrttasks21:33:540
15696997756,0cyclictest30495-21runrttasks21:25:240
15696997755,0cyclictest31582-21runrttasks19:54:390
15696997755,0cyclictest26680-21wget19:40:050
15696997754,0cyclictest24543-21runrttasks21:07:510
15696997752,0cyclictest10891-21seq20:28:000
15696997751,0cyclictest3780-21seq23:15:570
15696997742,0cyclictest26571-21grep00:24:580
15696997742,0cyclictest11441-21/usr/sbin/munin23:40:120
15696997658,0cyclictest19166-21users20:50:550
15696997657,0cyclictest1530-21irqstats23:10:320
15696997655,0cyclictest4693-21df_abs23:20:170
15696997655,0cyclictest21525-21runrttasks19:25:000
15696997654,0cyclictest6834-21sh20:15:430
15696997654,0cyclictest4067-21runrttasks20:08:050
15696997648,0cyclictest0-21swapper22:27:390
15696997555,0cyclictest28928-21meminfo00:30:350
15696997555,0cyclictest17096-21open_files23:55:440
15696997554,0cyclictest25874-21threads21:10:530
15696997552,0cyclictest21694-21cstates00:10:120
15696997550,0cyclictest15735-21users23:50:570
15696997548,0cyclictest32365-21memory19:55:360
15696997538,0cyclictest13058-21/usr/sbin/munin23:45:080
15696997454,0cyclictest14636-21latency_hist20:40:010
15696997453,0cyclictest28255-21sendmail-msp21:20:050
15696997452,0cyclictest11574-21diskstats20:30:190
15696997451,0cyclictest32371-21memory23:05:390
15696997451,0cyclictest29562-21runrttasks22:57:070
15696997451,0cyclictest17560-21seq20:46:350
15696997356,0cyclictest23118-21sendmail-msp22:40:290
15696997352,0cyclictest19715-21sendmail-msp19:20:310
15696997339,0cyclictest12855-21chrt22:09:560
15696997252,0cyclictest8390-21chrt20:20:350
15696997251,0cyclictest20251-21fw_conntrack22:30:250
15696997251,0cyclictest15434-21proc_pri20:40:480
15696997250,0cyclictest18461-21fschecks_count19:15:380
15696997250,0cyclictest17011-21meminfo22:20:420
15696997154,0cyclictest16111-21diskstats19:10:170
15696997150,0cyclictest20115-21diskstats20:55:180
15696997149,0cyclictest8441-21meminfo21:55:370
15696997138,0cyclictest29472-21chrt19:46:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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