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2026-05-06 - 23:14
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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 Wed May 06, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501880,0irq/46-4a1000003907-21runrttasks07:00:370
4446999359,0cyclictest0-21swapper07:55:430
7450920,0irq/46-4a10000022759-21/usr/sbin/munin11:05:210
7350920,0irq/45-4a1000003163-1kworker/u3:109:00:340
7450910,0irq/46-4a1000007890-21sed11:55:400
7450910,0irq/46-4a1000004760-21df07:04:570
7450910,0irq/46-4a10000029596-21/usr/sbin/munin11:25:170
4446999158,0cyclictest0-21swapper11:45:260
4446999155,0cyclictest0-21swapper10:05:430
7450900,0irq/46-4a1000005911-21/usr/sbin/munin08:40:310
7450900,0irq/46-4a1000003170-1kworker/u3:210:11:560
7450900,0irq/46-4a10000021417-1kworker/u3:009:27:100
7450900,0irq/46-4a10000020723-21expr07:49:560
7450900,0irq/46-4a10000019134-21/usr/sbin/munin10:55:030
7450900,0irq/46-4a10000014415-21open_files12:15:310
7450900,0irq/46-4a10000014121-21tune2fs10:40:100
4446999055,0cyclictest0-21swapper07:35:250
7450890,0irq/46-4a1000009080-21/usr/sbin/munin10:25:160
7450890,0irq/46-4a1000008944-21/usr/sbin/munin08:50:080
7450890,0irq/46-4a1000005782-21/usr/sbin/munin10:15:270
7450890,0irq/46-4a100000460-21snmpd11:40:430
7450890,0irq/46-4a10000030891-21wget11:29:550
7450890,0irq/46-4a1000002897-21chrt08:31:250
7450890,0irq/46-4a10000027729-21fschecks_count09:45:060
7450890,0irq/46-4a10000026342-21/usr/sbin/munin08:05:280
7450890,0irq/46-4a10000024647-21seq08:00:290
7450890,0irq/46-4a10000021520-21ls11:00:400
7450890,0irq/46-4a10000021417-1kworker/u3:009:33:120
7450890,0irq/46-4a10000017437-1kworker/u3:009:20:040
7450890,0irq/46-4a10000016126-21/usr/sbin/munin09:10:300
7450890,0irq/46-4a10000013690-1kworker/u3:009:09:180
7450890,0irq/46-4a10000010101-1kworker/u3:008:57:080
4446998956,0cyclictest0-21swapper07:45:180
4446998955,0cyclictest0-21swapper07:30:140
7450880,0irq/46-4a1000007166-21/usr/sbin/munin08:45:040
7450880,0irq/46-4a1000006858-21wc10:19:470
7450880,0irq/46-4a10000030888-21/usr/sbin/munin09:54:530
7450880,0irq/46-4a10000030770-21ls08:19:450
7450880,0irq/46-4a10000027981-21memory11:20:250
7450880,0irq/46-4a10000026155-21/usr/sbin/munin09:40:150
7450880,0irq/46-4a10000024792-21sendmail_mailtr11:10:350
7450880,0irq/46-4a10000017519-21tune2fs10:50:110
7450880,0irq/46-4a10000017437-1kworker/u3:009:18:160
7450880,0irq/46-4a10000015941-21uname12:20:170
7450880,0irq/46-4a10000015924-21irqstats10:45:190
7450880,0irq/46-4a10000012649-21/usr/sbin/munin10:35:270
7450880,0irq/46-4a10000011980-21/usr/sbin/munin12:10:280
7450880,0irq/46-4a10000011677-21runrttasks07:23:190
4446998857,0cyclictest0-21swapper08:35:330
4446998856,0cyclictest0-21swapper07:40:140
4446998855,0cyclictest0-21swapper07:10:340
7450870,0irq/46-4a100000512-21/usr/sbin/munin08:25:150
7450870,0irq/46-4a10000032700-21/usr/sbin/munin09:59:560
7450870,0irq/46-4a10000030198-21runrttasks08:15:590
7450870,0irq/46-4a10000029931-21awk09:50:360
7450870,0irq/46-4a10000028717-1kworker/u3:108:13:450
7450870,0irq/46-4a10000026733-21runrttasks11:15:430
7450870,0irq/46-4a10000024907-21ls09:35:360
7450870,0irq/46-4a10000019885-1kworker/u3:112:34:200
7450870,0irq/46-4a10000017715-21memory12:25:240
7450870,0irq/46-4a10000011402-21runrttasks10:31:040
7450870,0irq/46-4a10000010729-21fw_forwarded_lo12:05:140
4446998766,0cyclictest0-21swapper07:14:550
4446998755,0cyclictest0-21swapper11:35:360
7450860,0irq/46-4a1000009539-21sshd12:00:390
7450860,0irq/46-4a10000012164-21cstates07:24:570
7450850,0irq/46-4a1000005363-21df11:49:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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