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2025-11-27 - 06:27
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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 highest latencies:
System rack4slot2.osadl.org (updated Thu Nov 27, 2025 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502100,0irq/46-4a10000017285-1kworker/u3:119:07:180
7450880,0irq/46-4a100000443-21snmpd22:00:290
7450870,0irq/46-4a1000006358-1kworker/u3:321:50:180
7350870,0irq/45-4a10000019197-21runrttasks22:28:380
7450860,0irq/46-4a1000008560-21ls23:33:060
155332850,0sleep09795-1kworker/u3:422:18:240
7450840,0irq/46-4a10000028174-21meminfo00:28:530
248992849,0sleep023891-21apt-get22:45:000
7450830,0irq/46-4a100000766-21memory19:53:580
7450830,0irq/46-4a10000030174-21awk19:45:030
7450830,0irq/46-4a10000026298-21fschecks_time00:23:410
7450830,0irq/46-4a10000023327-21ls19:24:060
7350830,0irq/45-4a1000005118-21cut21:48:110
7350830,0irq/45-4a1000001621-21chrt23:12:420
7350830,0irq/45-4a10000016011-21fw_forwarded_lo23:53:470
235862830,0sleep020459-1kworker/u3:022:40:430
7450820,0irq/46-4a1000006101-21rt-features20:09:040
7450820,0irq/46-4a100000443-21snmpd22:35:420
7450820,0irq/46-4a10000031331-21fw_forwarded_lo23:03:420
7450820,0irq/46-4a100000312322sleep019:48:380
7450820,0irq/46-4a10000030401-1kworker/u3:321:13:580
7450820,0irq/46-4a10000029133-21wc19:43:110
7450820,0irq/46-4a10000029132-21aten_r4power_po21:23:220
7450820,0irq/46-4a10000028740-1kworker/u3:221:22:190
7450820,0irq/46-4a1000002770-21runrttasks23:14:050
7450820,0irq/46-4a10000018017-21fschecks_time19:08:390
7450820,0irq/46-4a10000012427-21df_abs23:43:300
7450820,0irq/46-4a10000011151-21/usr/sbin/munin20:29:000
134992820,0sleep030401-1kworker/u3:320:38:070
7450810,0irq/46-4a1000007066-21sshd20:13:240
7450810,0irq/46-4a100000443-21snmpd21:35:140
7450810,0irq/46-4a10000025748-21runrttasks22:48:250
7450810,0irq/46-4a10000024146-21/usr/sbin/munin19:28:230
7450810,0irq/46-4a10000022361-21latency_hist00:13:090
7450810,0irq/46-4a10000017131-21wget20:48:220
7450810,0irq/46-4a10000011557-21seq22:05:330
7350810,0irq/45-4a10000010845-21sort23:38:370
7450800,0irq/46-4a1000009052-21diskstats20:18:330
7450800,0irq/46-4a1000008027-21chrt21:54:420
7450800,0irq/46-4a1000005387-21runrttasks23:23:260
7450800,0irq/46-4a1000003811-21df_abs20:03:290
7450800,0irq/46-4a1000003752-21cstates23:18:250
7450800,0irq/46-4a10000031891-21chrt21:29:250
7450800,0irq/46-4a10000029592-21df_inode00:33:340
7450800,0irq/46-4a10000028546-1kworker/u3:022:55:320
7450800,0irq/46-4a10000025749-21/usr/sbin/munin19:33:370
7450800,0irq/46-4a1000002482-21meminfo19:58:540
7450800,0irq/46-4a10000024616-21runrttasks00:18:430
7450800,0irq/46-4a10000022610-21tune2fs21:03:370
7450800,0irq/46-4a1000002178-21perl21:38:400
7450800,0irq/46-4a10000021198-21cat00:08:460
7450800,0irq/46-4a10000015547-21cstates20:43:260
7450800,0irq/46-4a10000014440-21runrttasks23:48:530
7450800,0irq/46-4a10000010319-1kworker/u3:120:40:590
7350800,0irq/45-4a10000024101-21cstates21:08:260
7450790,0irq/46-4a1000008468-1kworker/u3:123:35:570
7450790,0irq/46-4a10000029375-21df22:58:270
7450790,0irq/46-4a10000021090-21load20:58:490
7450790,0irq/46-4a10000018964-21grep00:03:100
7450790,0irq/46-4a10000017743-21fw_conntrack23:58:420
7450790,0irq/46-4a10000015326-21https22:18:070
7450790,0irq/46-4a10000012056-21sshd22:08:230
7450790,0irq/46-4a10000010521-21runrttasks20:23:550
7450780,0irq/46-4a10000020623-21/usr/sbin/munin19:18:570
7450780,0irq/46-4a10000020480-21munin-run19:18:080
7450780,0irq/46-4a10000016640-1kworker/u3:222:23:230
7450780,0irq/46-4a10000010319-1kworker/u3:120:53:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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