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2026-03-14 - 08:18
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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 Sat Mar 14, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
317672367109,0sleep022829-21kworker/0:119:02:260
326879913036,0cyclictest6673-21runrttasks22:32:270
326879912840,0cyclictest20552-21/usr/sbin/munin23:12:370
326879912632,0cyclictest22886-21seq20:10:590
326879912527,0cyclictest2227-21runrttasks23:54:290
326879912438,0cyclictest13570-21ntp_kernel_pll_22:52:310
326879912356,0cyclictest7350irq/45-4a10000022:42:100
326879912337,0cyclictest0-21swapper00:18:480
326879912331,0cyclictest15782-21seq00:33:300
326879912238,0cyclictest27062-21runrttasks20:22:190
326879912231,0cyclictest16614-21df_abs23:02:060
326879912230,0cyclictest29678-21runrttasks20:30:320
326879912230,0cyclictest10998-21runrttasks21:11:290
326879912228,0cyclictest26037-21runrttasks21:53:360
326879912228,0cyclictest24455-21runrttasks23:24:310
326879912228,0cyclictest17688-21runrttasks21:30:130
326879912226,0cyclictest27928-21runrttasks23:35:060
326879912142,0cyclictest0-21swapper00:09:350
326879912141,0cyclictest4098-21runrttasks20:50:550
326879912140,0cyclictest0-21swapper19:09:140
326879912133,0cyclictest2714-21/usr/sbin/munin19:12:170
326879912129,0cyclictest4024-21runrttasks22:25:050
326879912129,0cyclictest31197-21runrttasks23:43:470
326879912129,0cyclictest2052-21runrttasks20:43:010
326879912128,0cyclictest14191-21runrttasks21:19:250
326879912034,0cyclictest2128-21munin-node19:27:460
326879912032,0cyclictest18462-21fw_conntrack19:57:130
326879912028,0cyclictest5460-21runrttasks19:17:550
326879912026,0cyclictest5567-21runrttasks20:53:550
326879912025,0cyclictest19305-21runrttasks23:09:270
326879911947,0cyclictest7350irq/45-4a10000023:47:260
326879911944,0cyclictest0-21swapper19:49:340
326879911933,0cyclictest20794-21users20:02:470
326879911932,0cyclictest6996-21switchtime20:57:410
326879911932,0cyclictest20675-21sort21:37:410
326879911931,0cyclictest4667-21diskstats22:27:070
326879911929,0cyclictest29401-21seq23:38:020
326879911929,0cyclictest22990-21seq23:21:350
326879911929,0cyclictest19390-21runrttasks21:35:110
326879911928,0cyclictest11471-21sshd19:37:040
326879911839,0cyclictest13362-21/usr/sbin/munin00:27:160
326879911834,0cyclictest7888-21aten_r4power_vo22:36:570
326879911834,0cyclictest26813-21df_abs21:57:030
326879911834,0cyclictest0-21swapper22:13:240
326879911830,0cyclictest6259-21cstates19:22:000
326879911828,0cyclictest21525-21aten_r4power_po21:41:570
326879911824,0cyclictest14041-21runrttasks19:43:160
326879911740,0cyclictest9032-21runrttasks00:14:110
326879911730,0cyclictest8279-21if_eth021:02:180
326879911726,0cyclictest32129-21fschecks_time20:37:140
326879911639,0cyclictest29748-21runrttasks22:06:000
326879911639,0cyclictest0-21swapper23:58:120
326879911639,0cyclictest0-21swapper00:21:590
326879911638,0cyclictest11939-21runrttasks21:12:360
326879911634,0cyclictest4372-21/usr/sbin/munin00:02:300
326879911632,0cyclictest14715-21aten_r4power_vo21:21:580
326879911624,0cyclictest24289-21runrttasks21:48:160
326879911536,0cyclictest9820-21fschecks_count19:32:100
326879911535,0cyclictest0-21swapper22:19:570
326879911529,0cyclictest338-21sshd22:08:030
326879911432,0cyclictest23432-21df_inode20:12:060
326879911431,0cyclictest25784-21switchtime20:17:390
326879911430,0cyclictest31147-21runrttasks20:33:320
326879911429,0cyclictest14603-21latency_hist22:56:500
326879911428,0cyclictest12019-21mailstats22:47:370
326879911241,0cyclictest12-21ksoftirqd/023:26:530
326879911228,0cyclictest16362-21aten_r4power_po19:51:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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