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2026-04-22 - 03:23
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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 Wed Apr 22, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745013020,0irq/46-4a10000015332-1kworker/u3:219:03:210
156282880,0sleep06368-1kworker/u3:123:41:370
7450870,0irq/46-4a10000029082-21sensors_temp00:21:110
7450860,0irq/46-4a1000003588-21uptime19:56:150
7450860,0irq/46-4a10000030466-21meminfo19:40:540
7450860,0irq/46-4a10000025494-21open_inodes00:11:080
93132850,0sleep08213-1kworker/u3:223:25:180
7450850,0irq/46-4a100000511-21chrt00:33:460
7450850,0irq/46-4a1000003344-21grep21:31:120
7450850,0irq/46-4a10000030324-21fw_conntrack22:50:490
7450850,0irq/46-4a10000029195-21sed19:36:140
7450850,0irq/46-4a10000028464-21runrttasks21:10:400
7450850,0irq/46-4a10000024108-21users22:31:190
220192850,0chrt21152-1kworker/u3:219:16:030
7450840,0irq/46-4a1000007655-21aten_r4power_cu20:10:260
7450840,0irq/46-4a1000005982-21cut21:40:260
7450840,0irq/46-4a1000005762-1kworker/u3:020:10:080
7450840,0irq/46-4a10000032173-21memory19:45:590
7450840,0irq/46-4a10000031818-21df_abs22:55:340
7450840,0irq/46-4a10000030987-21chrt00:26:250
7450840,0irq/46-4a1000002981-21chrt23:05:460
7450840,0irq/46-4a10000027663-21chrt19:32:260
7450840,0irq/46-4a10000019932-21runrttasks22:20:370
7450840,0irq/46-4a10000018650-21pluginstate20:41:060
7450840,0irq/46-4a10000018419-21if_eth022:15:510
7450840,0irq/46-4a10000017048-1kworker/u3:119:11:000
7450840,0irq/46-4a10000016798-21seq22:10:590
7450840,0irq/46-4a10000015691-21seq20:32:200
7450840,0irq/46-4a10000015632-1kworker/u3:022:07:310
7450840,0irq/46-4a10000013886-21chrt20:26:300
7450840,0irq/46-4a1000001279-21fw_forwarded_lo21:25:480
7450840,0irq/46-4a10000012616-21runrttasks20:25:050
7450840,0irq/46-4a10000012309-21seq23:32:310
7350840,0irq/45-4a10000026348-21latency_hist19:30:180
7350840,0irq/45-4a10000017306-21/usr/sbin/munin19:05:240
7450830,0irq/46-4a1000008108-21fw_forwarded_lo21:45:480
7450830,0irq/46-4a1000007192-21sshd23:17:280
7450830,0irq/46-4a1000005883-21grep23:15:180
7450830,0irq/46-4a100000460-21snmpd23:30:140
7450830,0irq/46-4a1000004466-21df_abs21:35:330
7450830,0irq/46-4a10000032059-21ls21:20:500
7450830,0irq/46-4a10000030968-21awk21:16:200
7450830,0irq/46-4a10000028158-21/usr/sbin/munin22:45:550
7450830,0irq/46-4a10000028071-21munin-run00:20:150
7450830,0irq/46-4a10000023983-21grep00:06:150
7450830,0irq/46-4a10000021965-21memory00:01:020
7450830,0irq/46-4a10000021784-21fw_forwarded_lo22:25:470
7450830,0irq/46-4a10000019829-21cstates23:55:320
7450830,0irq/46-4a10000019342-1kworker/u3:120:48:090
7450830,0irq/46-4a10000017795-21munin-run23:50:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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