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2025-04-02 - 08:24
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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 02, 2025 00:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502470,0irq/46-4a1000009953-1kworker/u3:318:58:270
7450940,0irq/46-4a10000032235-21cron21:49:400
7450940,0irq/46-4a10000028492-21seq21:36:370
7450940,0irq/46-4a10000016854-21meminfo19:15:440
41412940,0chrt24731-1kworker/u3:420:20:200
232329410,0sleep02342-21latency_hist21:59:560
7450930,0irq/46-4a1000009321-21runrttasks00:13:000
7450930,0irq/46-4a10000026635-21runrttasks21:30:140
7450930,0irq/46-4a10000025621-21/usr/sbin/munin19:41:200
7450930,0irq/46-4a10000022367-21/usr/sbin/munin23:07:420
7450930,0irq/46-4a10000012716-21grep00:26:280
7450930,0irq/46-4a10000012605-21runrttasks20:45:220
7450930,0irq/46-4a10000011135-21memory00:21:350
1358229311,0sleep013610-21pluginstate19:06:130
106252930,0chrt3686-1kworker/u3:120:40:020
10405999358,0cyclictest0-21swapper19:20:210
7450920,0irq/46-4a1000009823-21runrttasks00:16:100
7450920,0irq/46-4a1000007765-21sshd00:09:190
7450920,0irq/46-4a100000689-21df23:45:180
7450920,0irq/46-4a1000006012-21df_abs22:10:350
7450920,0irq/46-4a1000002311-21hostname23:50:080
7450920,0irq/46-4a1000002065-21meminfo20:10:590
7450920,0irq/46-4a10000019855-21seq19:25:210
7450920,0irq/46-4a10000019726-21load21:05:540
7450920,0irq/46-4a10000016361-21runrttasks20:55:570
7450920,0irq/46-4a10000015565-21/usr/sbin/munin22:45:130
7450920,0irq/46-4a10000010886-21/usr/sbin/munin22:27:370
318632920,0chrt28827-1kworker/u3:023:40:460
10405999258,0cyclictest0-21swapper20:35:000
7450910,0irq/46-4a1000007496-21df_abs20:30:220
7450910,0irq/46-4a1000005811-21grep20:25:190
7450910,0irq/46-4a1000004666-21aten_r4power_po00:00:140
7450910,0irq/46-4a10000032371-21date21:49:470
7450910,0irq/46-4a10000032196-21runrttasks20:05:160
7450910,0irq/46-4a10000031650-21awk20:01:420
7450910,0irq/46-4a10000030344-21runrttasks21:43:010
7450910,0irq/46-4a10000027424-21df_abs23:25:280
7450910,0irq/46-4a10000026403-21runrttasks19:45:070
7450910,0irq/46-4a10000025820-21df_inode23:21:010
7450910,0irq/46-4a10000023276-21df19:35:320
7450910,0irq/46-4a10000022017-21ntpq19:30:500
7450910,0irq/46-4a10000021303-21fw_forwarded_lo21:10:460
7450910,0irq/46-4a10000017952-21irqstats21:00:420
7450910,0irq/46-4a10000014746-21run-parts22:41:000
7450910,0irq/46-4a10000011481-21date22:29:480
7450910,0irq/46-4a10000011047-21/usr/sbin/munin19:00:520
208372910,0chrt20789-1kworker/u3:223:01:160
7450900,0irq/46-4a1000007484-21kworker/u2:022:20:410
7450900,0irq/46-4a10000030338-21cron19:59:400
7450900,0irq/46-4a10000028052-21latency_hist19:49:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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