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2026-05-25 - 10:57
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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 Mon May 25, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745013110,0irq/46-4a1000009179-1kworker/u3:219:01:360
129549912840,0cyclictest13822-21/usr/sbin/munin23:49:100
129549912435,0cyclictest25244-21runrttasks00:21:480
129549912336,0cyclictest25980-21fschecks_count22:49:220
129549912234,0cyclictest8740-21chrt20:24:130
129549912133,0cyclictest29600-21ls19:49:360
129549912133,0cyclictest22092-21latency_hist00:13:570
129549912048,0cyclictest12-21ksoftirqd/022:24:590
129549912042,0cyclictest0-21swapper21:22:380
129549912034,0cyclictest460-21snmpd23:28:310
129549912034,0cyclictest12858-21switchtime22:09:530
129549912033,0cyclictest9626-21runrttasks21:59:590
129549911932,0cyclictest27637-21diskstats19:44:220
129549911931,0cyclictest19317-21irqstats22:29:350
129549911926,0cyclictest13985-21diskstats20:39:210
129549911921,0cyclictest18202-21runrttasks20:50:190
129549911845,0cyclictest7350irq/45-4a10000020:29:580
129549911834,0cyclictest14128-21users19:04:580
129549911833,0cyclictest22767-21irqstats00:14:350
129549911832,0cyclictest31447-21ntp_states21:29:470
129549911831,0cyclictest15972-21meminfo20:44:380
129549911829,0cyclictest7296-21fw_forwarded_lo20:19:300
12954991179,0cyclictest28003-21ntp_kernel_err22:54:470
129549911741,0cyclictest0-21swapper22:15:290
129549911735,0cyclictest31276-21irqstats19:54:320
129549911731,0cyclictest2367-21/usr/sbin/munin20:04:430
129549911730,0cyclictest17096-21runrttasks23:59:060
129549911729,0cyclictest5429-21df_inode20:14:170
129549911710,0cyclictest24672-21/usr/sbin/munin22:44:490
129549911710,0cyclictest23261-21users19:29:590
129549911649,0cyclictest12-21ksoftirqd/023:54:380
129549911634,0cyclictest27432-21aten_r4power_po00:29:100
129549911632,0cyclictest490-21if_err_eth019:59:320
129549911628,0cyclictest27051-21runrttasks00:27:350
129549911612,0cyclictest25934-21diskstats19:39:190
129549911541,0cyclictest0-21swapper21:25:530
129549911529,0cyclictest15082-21chrt19:09:160
129549911528,0cyclictest24892-21runrttasks19:34:520
129549911510,0cyclictest26940-21chrt21:16:480
129549911443,0cyclictest0-21swapper19:21:500
129549911441,0cyclictest0-21swapper23:29:350
129549911434,0cyclictest6859-21aten_r4power_cu21:54:070
129549911433,0cyclictest19216-21perl20:54:250
129549911431,0cyclictest3491-21wget21:44:100
129549911430,0cyclictest2888-21seq23:15:410
129549911412,0cyclictest2471-21ps21:39:480
129549911411,0cyclictest4525-21seq20:10:190
129549911411,0cyclictest20554-21hostname20:59:090
129549911343,0cyclictest12-21ksoftirqd/022:19:400
129549911332,0cyclictest18761-21date00:04:010
129549911332,0cyclictest13577-21latency_hist23:49:000
129549911330,0cyclictest21020-21/usr/sbin/munin22:34:310
129549911329,0cyclictest29468-21chrt22:59:230
129549911327,0cyclictest32619-21/usr/sbin/munin23:09:130
12954991129,0cyclictest25166-21seq21:11:210
129549911214,0cyclictest10567-21diskstats23:39:210
129549911213,0cyclictest12287-21forks20:34:220
129549911135,0cyclictest4099-21ntpdc23:19:440
129549911128,0cyclictest8547-21runrttasks23:34:050
129549911027,0cyclictest5326-21runrttasks21:49:140
129549911025,0cyclictest23532-21runrttasks21:07:050
129549911024,0cyclictest23487-21runrttasks22:41:320
129549911016,0cyclictest10766-21irqstats22:04:350
129549911012,0cyclictest528-21irqstats21:34:330
129549911012,0cyclictest17969-21sensors19:14:500
129549910925,0cyclictest31973-1kworker/u3:023:07:460
129549910823,0cyclictest20586-21aten_r4power_vo19:24:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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