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2025-11-25 - 07:51
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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 50 highest latencies:
System rack4slot2.osadl.org (updated Tue Nov 25, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7164210010,0chrt7083-1kworker/u3:219:08:010
74501000,0irq/46-4a1000003004-21sshd20:28:300
1481429810,0sleep014805-21apt-get19:28:270
7450950,0irq/46-4a10000032723-21proc_pri20:19:070
7450940,0irq/46-4a10000013523-21chrt22:33:300
7450940,0irq/46-4a10000013241-21seq20:58:240
7450930,0irq/46-4a1000004858-21/usr/sbin/munin23:44:140
7450930,0irq/46-4a10000032608-21uniq23:29:050
7450930,0irq/46-4a10000031198-21memory23:24:450
7450930,0irq/46-4a10000030413-21/usr/sbin/munin20:13:310
7450930,0irq/46-4a10000029245-21latency21:43:580
7450930,0irq/46-4a10000025800-21fw_forwarded_lo23:08:470
7450930,0irq/46-4a10000024513-21grep21:29:130
7450930,0irq/46-4a10000015619-21/usr/sbin/munin21:04:020
7450930,0irq/46-4a10000014054-21memory00:08:590
7450920,0irq/46-4a1000009967-21/usr/sbin/munin20:48:290
7450920,0irq/46-4a1000008911-1kworker/u3:019:26:020
7450920,0irq/46-4a1000008493-21cstates23:53:320
7450920,0irq/46-4a1000007668-21runrttasks23:49:200
7450920,0irq/46-4a1000005357-21ntp_states20:34:050
7450920,0irq/46-4a1000004729-21latency_hist23:43:100
7450920,0irq/46-4a10000025661-21tune2fs21:33:450
7450920,0irq/46-4a10000022965-21cat00:34:120
7450920,0irq/46-4a10000020414-21df_inode21:18:360
7450920,0irq/46-4a10000019788-21runrttasks22:51:070
7450920,0irq/46-4a1000001468-21seq20:23:400
7450920,0irq/46-4a10000011880-21runrttasks20:53:430
7350920,0irq/45-4a10000021668-21apt-get19:48:270
127862920,0sleep011854-1kworker/u3:222:29:460
7450910,0irq/46-4a1000003182-21wget22:03:290
7450910,0irq/46-4a10000030106-21idleruntime-cro20:13:110
7450910,0irq/46-4a10000029397-21meminfo23:18:580
7450910,0irq/46-4a10000026923-21latency_hist21:38:170
7450910,0irq/46-4a10000026831-21chrt20:03:250
7450910,0irq/46-4a10000024167-21runrttasks19:54:060
7450910,0irq/46-4a10000020917-21load00:28:570
7450910,0irq/46-4a10000020519-21entropy22:53:410
7450910,0irq/46-4a10000020179-21apt00:28:100
7450910,0irq/46-4a10000016049-21mailstats22:40:110
7450910,0irq/46-4a10000015220-21/usr/sbin/munin00:13:280
7450910,0irq/46-4a10000010550-21seq22:23:590
47622910,0sleep02005-1kworker/u3:122:08:200
7450900,0irq/46-4a1000009706-21aten_r4power_cu19:13:460
7450900,0irq/46-4a1000009441-21seq20:46:290
7450900,0irq/46-4a1000007788-1kworker/u3:322:20:190
7450900,0irq/46-4a1000006682-1kworker/u3:120:41:060
7450900,0irq/46-4a1000006483-21runrttasks22:13:230
7450900,0irq/46-4a10000030701-21forks21:48:400
7450900,0irq/46-4a10000027058-21chrt23:13:240
7450900,0irq/46-4a10000026184-21users19:59:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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