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2025-04-18 - 15:50
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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 Apr 18, 2025 12:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74508630,0irq/46-4a10000012-21ksoftirqd/006:55:350
7350960,0irq/45-4a10000066-21hwrng12:08:130
7450950,0irq/46-4a1000003005-21ntpq10:00:570
1263129512,0sleep012637-21entropy12:24:350
7450940,0irq/46-4a10000032233-21seq09:49:190
7450940,0irq/46-4a10000028244-21/usr/sbin/munin07:56:010
90652938,0sleep09081-21/usr/sbin/munin08:34:470
7450930,0irq/46-4a1000008902-21meminfo12:10:410
7450930,0irq/46-4a100000309-21runrttasks11:42:460
7450930,0irq/46-4a10000030538-21runrttasks11:34:030
7450930,0irq/46-4a10000027980-21runrttasks11:24:590
7450930,0irq/46-4a10000011304-21/usr/sbin/munin12:19:590
7450920,0irq/46-4a1000009676-21cat07:04:080
7450920,0irq/46-4a1000008505-21fw_forwarded_lo10:19:480
7450920,0irq/46-4a1000006228-21users08:25:090
7450920,0irq/46-4a10000027367-21grep09:30:360
7450920,0irq/46-4a10000022112-21cron07:39:040
7450920,0irq/46-4a10000017142-21sendmail10:49:040
7450920,0irq/46-4a10000015476-21aten_r4power_en07:19:240
7450920,0irq/46-4a10000010499-21nfs4_client10:25:530
7350920,0irq/45-4a10000066-21hwrng08:23:170
7891999158,0cyclictest0-21swapper07:40:110
7450910,0irq/46-4a1000005617-21seq10:09:190
7450910,0irq/46-4a1000004153-21runrttasks11:55:120
7450910,0irq/46-4a10000030830-21runrttasks09:44:360
7450910,0irq/46-4a10000022015-21/usr/sbin/munin11:04:520
7450910,0irq/46-4a10000019650-21cut10:59:100
7450910,0irq/46-4a10000019350-21irqstats09:04:470
7450910,0irq/46-4a10000017759-21fw_forwarded_lo10:49:450
7450910,0irq/46-4a10000015304-21/usr/sbin/munin07:19:050
7450910,0irq/46-4a10000013993-21hostname10:39:460
7450910,0irq/46-4a10000012648-21memory07:09:540
7350910,0irq/45-4a10000010528-21sshd08:39:320
7450900,0irq/46-4a1000006340-21runrttasks12:04:040
7450900,0irq/46-4a1000003894-21aten_r4power_cu10:04:230
7450900,0irq/46-4a1000003383-21grep11:50:090
7450900,0irq/46-4a10000032742-21df08:09:300
7450900,0irq/46-4a10000031117-21/usr/sbin/munin08:04:420
7450900,0irq/46-4a10000026387-21runrttasks07:50:350
7450900,0irq/46-4a10000025491-21grep11:19:070
7450900,0irq/46-4a10000024674-21ntp_states07:44:590
7450900,0irq/46-4a10000024375-21runrttasks09:22:550
7450900,0irq/46-4a1000002278-21ls11:49:080
7450900,0irq/46-4a10000019729-21awk07:30:040
7450900,0irq/46-4a10000019695-21date10:59:180
7450900,0irq/46-4a10000018688-21cron07:29:040
7450900,0irq/46-4a1000001763-21chrt08:14:170
7450900,0irq/46-4a10000014005-21grep08:49:330
7450900,0irq/46-4a10000012074-21memory10:30:000
293162909,0sleep029331-21df07:59:430
7891998957,0cyclictest0-21swapper09:09:410
7450890,0irq/46-4a1000007488-21meminfo08:29:500
7450890,0irq/46-4a10000029103-21df_inode09:39:270
7450890,0irq/46-4a10000025563-21sensors_temp09:25:080
7450890,0irq/46-4a10000023342-21cstates11:09:270
7450890,0irq/46-4a10000017589-21fw_forwarded_lo08:59:470
7450890,0irq/46-4a10000012361-21fschecks_count08:44:370
7450890,0irq/46-4a10000011493-21sh07:06:030
7450890,0irq/46-4a10000010197-21runrttasks12:16:510
7450880,0irq/46-4a1000006893-1kworker/u3:210:15:040
7450880,0irq/46-4a10000030741-21runrttasks11:34:520
7450880,0irq/46-4a10000024992-21runrttasks11:15:370
7450880,0irq/46-4a10000022226-21latency_hist09:14:080
7450880,0irq/46-4a10000016338-21ls08:55:050
7450880,0irq/46-4a10000013710-21cron10:39:030
7450870,0irq/46-4a1000002055-21dpkg09:59:040
7450860,0irq/46-4a10000028698-21latency_hist09:39:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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