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2026-05-30 - 01:52
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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 100 highest latencies:
System rack4slot2.osadl.org (updated Sat May 30, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502360,0irq/46-4a10000026663-1kworker/u3:019:00:200
7350920,0irq/45-4a1000002727-21/usr/sbin/munin00:08:540
7450900,0irq/46-4a1000004487-21wget21:03:570
7350900,0irq/45-4a1000001501-21ls00:04:240
124352900,0sleep012399-1kworker/u3:123:00:310
7450890,0irq/46-4a10000018400-21df_inode23:19:050
7450880,0irq/46-4a10000022038-21irqstats23:29:240
7450880,0irq/46-4a10000018528-21fw_conntrack21:44:140
7450880,0irq/46-4a10000010050-21irqstats19:44:210
7450870,0irq/46-4a10000032224-21idleruntime22:24:180
7450870,0irq/46-4a1000003143-21fw_conntrack19:24:140
7450870,0irq/46-4a10000010626-21vmstat22:54:450
7350870,0irq/45-4a1000006973-21/usr/sbin/munin00:19:390
7350870,0irq/45-4a10000030370-21diskstats22:19:070
7350870,0irq/45-4a1000002645-21grep22:33:480
7350870,0irq/45-4a10000011135-21cron00:33:450
246892870,0chrt14368-1kworker/u3:020:28:100
17032879,0sleep01707-21ntp_states20:54:340
7450860,0irq/46-4a1000009446-21munin-run00:28:460
7450860,0irq/46-4a100000460-21snmpd23:13:580
7450860,0irq/46-4a10000020434-21cat23:24:300
213642860,0sleep019496-1kworker/u3:120:18:450
81322850,0chrt27984-1kworker/u3:122:49:040
7450850,0irq/46-4a1000007941-21aten_r4power_vo19:38:580
7450850,0irq/46-4a100000366-21vmstat19:14:440
7450850,0irq/46-4a10000028649-21seq20:39:080
7450850,0irq/46-4a10000013283-21grep19:54:090
7450850,0irq/46-4a10000013162-21runrttasks21:29:030
7450850,0irq/46-4a10000012399-1kworker/u3:123:04:140
7350850,0irq/45-4a10000029576-21mailstats19:04:400
7350850,0irq/45-4a10000015787-21sshd23:10:060
7450840,0irq/46-4a1000006656-21grep19:34:220
7450840,0irq/46-4a1000006327-21df_abs21:09:030
7450840,0irq/46-4a1000006012-21awk22:43:450
7450840,0irq/46-4a1000005964-21runrttasks00:18:200
7450840,0irq/46-4a10000032179-21fschecks_time23:59:130
7450840,0irq/46-4a10000030403-21fschecks_count20:44:110
7450840,0irq/46-4a10000030283-21df23:54:010
7450840,0irq/46-4a10000026938-21diskstats23:44:060
7450840,0irq/46-4a10000026935-21/usr/sbin/munin20:34:070
7450840,0irq/46-4a10000025799-21runrttasks23:39:370
7450840,0irq/46-4a10000025558-21awk22:04:290
7450840,0irq/46-4a10000025501-21meminfo20:29:240
7450840,0irq/46-4a10000024792-21cron23:38:440
7450840,0irq/46-4a10000023213-21/usr/sbin/munin21:59:270
7450840,0irq/46-4a10000022227-21open_files21:54:350
7450840,0irq/46-4a10000018374-21diskstats20:09:080
7450840,0irq/46-4a10000016959-21grep21:39:230
7450840,0irq/46-4a10000016675-21/usr/sbin/munin20:04:090
7450840,0irq/46-4a10000015229-21ls19:59:240
7450840,0irq/46-4a10000014897-21grep21:34:030
7450840,0irq/46-4a10000010944-1kworker/u3:221:23:080
7350840,0irq/45-4a1000002727-21/usr/sbin/munin22:34:310
7450830,0irq/46-4a1000006591-21fw_packets22:44:170
7450830,0irq/46-4a10000032055-21diskstats20:49:080
7450830,0irq/46-4a10000028649-21sshd23:49:060
7450830,0irq/46-4a10000027857-21runrttasks22:11:000
7450830,0irq/46-4a10000022123-21sed20:19:290
7450830,0irq/46-4a10000011759-21irqstats19:49:220
7450820,0irq/46-4a1000007868-21aten_r4power_cu21:13:560
7450820,0irq/46-4a1000004713-21diskstats19:29:070
7450820,0irq/46-4a10000030531-21aten_r4power_po19:08:560
7450820,0irq/46-4a100000291142chrt22:14:350
7450820,0irq/46-4a1000001530-21irqstats19:19:220
7450820,0irq/46-4a10000011461-21df_abs21:24:010
7450810,0irq/46-4a1000002685-21grep20:58:500
7450810,0irq/46-4a10000020084-21sshd21:49:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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