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2026-05-08 - 04:17
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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 Fri May 08, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74508600,0irq/46-4a1000007203-1kworker/u3:219:01:510
7450970,0irq/46-4a10000019462-1kworker/u3:221:07:030
260932930,0sleep023213-1kworker/u3:221:25:330
150282937,0sleep015064-21aten_r4power_vo00:04:510
7450920,0irq/46-4a10000010289-21/usr/sbin/munin23:50:130
7350920,0irq/45-4a10000029962-21runrttasks21:37:460
7450910,0irq/46-4a1000008108-21/usr/sbin/munin23:45:000
7450910,0irq/46-4a1000001934-21nfs4_client20:15:210
7450910,0irq/46-4a10000014377-1kworker/u3:122:32:210
7450900,0irq/46-4a1000009193-21/usr/sbin/munin22:10:420
7450900,0irq/46-4a10000031670-1kworker/u3:023:20:040
7450900,0irq/46-4a10000024027-21irqstats21:20:130
7450900,0irq/46-4a10000020507-21fschecks_time22:45:060
7450900,0irq/46-4a10000020050-21sshd21:09:420
7450900,0irq/46-4a10000015560-21memory19:20:200
7450900,0irq/46-4a10000011999-21fw_forwarded_lo22:20:070
7450890,0irq/46-4a1000009831-21memory19:05:210
7450890,0irq/46-4a1000007005-21/usr/sbin/munin20:30:180
7450890,0irq/46-4a100000419-21/usr/sbin/munin21:45:330
7450890,0irq/46-4a10000032329-1kworker/u3:121:51:190
7450890,0irq/46-4a10000027225-1kworker/u3:023:06:440
7450890,0irq/46-4a10000024421-21switchtime22:55:350
7450890,0irq/46-4a10000023822-21/usr/sbin/munin00:30:040
7450890,0irq/46-4a10000018552-21/usr/sbin/munin22:39:520
7450890,0irq/46-4a1000001501-21df23:24:580
7450890,0irq/46-4a10000013178-21cat20:49:410
7450890,0irq/46-4a10000011317-21which19:10:020
7350890,0irq/45-4a10000031323-21/usr/sbin/munin23:15:370
51532898,0sleep05155-21fw_conntrack22:00:090
7450880,0irq/46-4a1000006420-21/usr/sbin/munin23:40:380
7450880,0irq/46-4a1000005215-21seq20:25:140
7450880,0irq/46-4a1000004596-21sendmail-msp23:34:390
7450880,0irq/46-4a1000003206-21runrttasks21:54:530
7450880,0irq/46-4a10000029952-21runrttasks20:02:450
7450880,0irq/46-4a10000029877-1kworker/u3:220:08:530
7450880,0irq/46-4a10000027479-21/usr/sbin/munin21:30:160
7450880,0irq/46-4a10000025712-21/usr/sbin/munin19:50:130
7450880,0irq/46-4a10000025654-21chrt23:00:080
7450880,0irq/46-4a10000023883-21tune2fs19:45:040
7450880,0irq/46-4a10000020606-1kworker/u3:219:37:560
7450880,0irq/46-4a10000019776-1kworker/u3:000:22:560
7450880,0irq/46-4a10000017883-1kworker/u3:019:33:270
7450880,0irq/46-4a10000017327-21ntpq00:10:250
7450880,0irq/46-4a10000014814-21munin-run20:54:380
7450880,0irq/46-4a10000014377-1kworker/u3:122:36:300
7450880,0irq/46-4a10000013703-21fw_forwarded_lo19:15:090
7450880,0irq/46-4a10000013351-21cut23:59:490
7450880,0irq/46-4a10000012965-21runrttasks23:58:270
7450880,0irq/46-4a10000010587-21ps20:40:300
7450870,0irq/46-4a1000009685-21cron20:39:370
7450870,0irq/46-4a1000007122-21open_files22:05:290
7450870,0irq/46-4a1000005235-21irqstats23:35:130
7450870,0irq/46-4a1000003322-21/usr/sbin/munin20:20:020
7450870,0irq/46-4a10000032553-21irqstats20:10:170
7450870,0irq/46-4a10000028686-21aten_r4power_po23:09:490
7450870,0irq/46-4a10000026751-1kworker/u3:019:59:090
7450870,0irq/46-4a10000023048-21runrttasks00:27:060
7450870,0irq/46-4a10000023031-21chrt19:42:030
7450870,0irq/46-4a10000022251-21fw_forwarded_lo21:15:100
7450870,0irq/46-4a10000021783-21/usr/sbin/munin22:50:340
7450870,0irq/46-4a10000018666-21df_abs00:14:590
7450870,0irq/46-4a10000017257-21memory19:25:210
7450870,0irq/46-4a10000016666-21/usr/sbin/munin20:59:490
7450870,0irq/46-4a10000015434-21if_err_eth020:55:120
7450870,0irq/46-4a10000010129-21sed22:14:560
7450860,0irq/46-4a10000030871-21kernelversion21:40:160
7450860,0irq/46-4a10000013242-21sshd22:24:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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