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2026-05-01 - 04:09
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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 Fri May 01, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502300,0irq/45-4a10000026561-21kworker/0:319:03:140
7450970,0irq/46-4a1000008402-21seq00:05:070
7450960,0irq/46-4a10000019456-21/usr/sbin/munin21:26:000
7450960,0irq/46-4a10000012928-21seq19:30:180
7450950,0irq/46-4a1000009318-21wget22:30:070
7450950,0irq/46-4a10000031879-21/usr/sbin/munin22:00:260
41632950,0sleep03639-1kworker/u3:123:50:060
7450940,0irq/46-4a1000008178-21ntpq19:15:420
7450940,0irq/46-4a10000028817-21/usr/sbin/munin21:50:540
7450940,0irq/46-4a10000026742-21seq21:45:260
7450940,0irq/46-4a10000023144-21df_abs20:00:130
7450940,0irq/46-4a10000017405-21runrttasks22:53:240
7450940,0irq/46-4a10000016014-21wc19:39:580
7450940,0irq/46-4a1000001338-21ntp_kernel_pll_23:40:420
7450930,0irq/46-4a1000007453-21grep23:59:570
7450930,0irq/46-4a1000006881-1kworker/u3:220:54:530
7450930,0irq/46-4a1000006009-21df22:20:100
7450930,0irq/46-4a10000032259-21/usr/sbin/munin23:35:580
7450930,0irq/46-4a10000029591-21munin-run23:29:540
7450930,0irq/46-4a10000025250-21/usr/sbin/munin23:15:390
7450930,0irq/46-4a10000023250-21fschecks_count21:35:200
7450930,0irq/46-4a10000023152-21df_abs23:10:130
7450930,0irq/46-4a10000017229-21fw_forwarded_lo00:30:250
7450930,0irq/46-4a10000013585-21df00:20:120
7450930,0irq/46-4a10000013209-21meminfo21:05:320
34822930,0sleep027588-1kworker/u3:022:11:150
7450920,0irq/46-4a1000009393-21chrt19:20:100
7450920,0irq/46-4a1000006210-21munin-node19:10:000
7450920,0irq/46-4a1000005996-21df20:45:110
7450920,0irq/46-4a1000004295-21runrttasks20:40:100
7450920,0irq/46-4a10000031709-21df_inode20:25:160
7450920,0irq/46-4a10000030308-21meminfo21:55:330
7450920,0irq/46-4a1000002593-21df_abs23:45:130
7450920,0irq/46-4a10000024902-21/usr/sbin/munin21:40:180
7450920,0irq/46-4a10000021789-21grep21:30:370
7450920,0irq/46-4a10000021626-21fw_packets19:55:280
7450920,0irq/46-4a10000020572-21runrttasks23:01:100
7450920,0irq/46-4a10000018846-21vmstat21:20:590
7450920,0irq/46-4a10000016661-21chrt21:15:390
7450920,0irq/46-4a10000015262-21seq00:25:100
7450920,0irq/46-4a10000014058-21seq22:43:500
7450920,0irq/46-4a10000011946-21sed00:15:140
7450920,0irq/46-4a10000011428-21if_eth021:00:290
7450920,0irq/46-4a10000010394-21fw_forwarded_lo00:10:260
7450910,0irq/46-4a1000009423-21runrttasks20:55:100
7450910,0irq/46-4a100000842-21cat20:30:080
7450910,0irq/46-4a1000008107-21latency_hist00:04:530
7450910,0irq/46-4a1000007615-21grep22:25:080
7450910,0irq/46-4a1000004785-21ntpq22:15:460
7450910,0irq/46-4a100000460-21snmpd23:22:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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