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2025-12-20 - 07:38
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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 100 highest latencies:
System rack4slot2.osadl.org (updated Sat Dec 20, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502010,0irq/46-4a10000010406-21runrttasks19:09:040
7450950,0irq/46-4a1000003988-21users21:56:030
7450950,0irq/46-4a10000029192-21/usr/sbin/munin21:35:510
7450950,0irq/46-4a1000002224-21/usr/sbin/munin21:51:020
7450940,0irq/46-4a10000014595-21runrttasks20:54:330
7450930,0irq/46-4a1000004605-21sed22:00:050
7450930,0irq/46-4a1000004538-21runrttasks20:25:110
7450930,0irq/46-4a1000003378-21sort23:30:300
7450930,0irq/46-4a10000032012-21ls23:20:040
7450930,0irq/46-4a1000002948-21wget20:20:200
7450930,0irq/46-4a10000026931-21sendmail-msp00:40:010
7450930,0irq/46-4a1000001793-21fw_conntrack23:25:360
7450930,0irq/46-4a10000017869-21runrttasks19:28:570
7450930,0irq/46-4a10000014816-21runrttasks00:04:160
7450930,0irq/46-4a10000014407-21sshd22:26:510
7450920,0irq/46-4a10000030960-21/usr/sbin/munin21:40:530
7450920,0irq/46-4a10000025225-21chrt23:00:160
7450920,0irq/46-4a10000023638-21df_inode19:45:500
7450920,0irq/46-4a10000022293-21meminfo21:15:580
7450920,0irq/46-4a10000021159-21/usr/sbin/munin00:21:040
7450920,0irq/46-4a10000019080-21memory00:15:480
7450920,0irq/46-4a10000018652-21cat19:30:410
7450920,0irq/46-4a10000017647-21runrttasks21:01:180
7450910,0irq/46-4a1000009132-21users22:11:050
7450910,0irq/46-4a1000008583-21fschecks_time23:45:320
7450910,0irq/46-4a10000027488-21/usr/sbin/munin23:05:420
7450910,0irq/46-4a10000026263-21chrt19:52:400
7450910,0irq/46-4a10000025601-21/usr/sbin/munin21:25:390
7450910,0irq/46-4a10000024569-21/usr/sbin/munin00:31:020
7450910,0irq/46-4a10000023918-21chrt22:55:340
7450910,0irq/46-4a10000021525-21idleruntime-cro21:14:590
7450910,0irq/46-4a10000020754-21runrttasks22:46:200
7450910,0irq/46-4a10000019462-21users22:41:130
7450910,0irq/46-4a10000018310-21cron00:14:580
7450910,0irq/46-4a10000015116-21chrt20:55:280
7450910,0irq/46-4a10000012322-21sshd23:55:510
7450910,0irq/46-4a10000011753-21users19:11:020
7450910,0irq/46-4a10000010384-21memory22:15:480
322652918,0sleep032269-21/usr/sbin/munin21:45:250
132412919,0sleep013244-21df19:15:410
7450900,0irq/46-4a1000008178-21sed20:35:230
7450900,0irq/46-4a1000007230-21/usr/sbin/munin23:40:570
7450900,0irq/46-4a10000031219-21/usr/sbin/munin20:06:100
7450900,0irq/46-4a10000030191-21seq23:14:580
7450900,0irq/46-4a10000030009-21munin-run20:05:000
7450900,0irq/46-4a10000024171-21kworker/u2:1120:10:050
7450900,0irq/46-4a10000024128-21/usr/sbin/munin21:20:550
7450900,0irq/46-4a10000022992-21users00:26:070
7450900,0irq/46-4a10000022563-21/usr/sbin/munin19:41:020
7450900,0irq/46-4a1000002213-21runrttasks20:16:270
7450900,0irq/46-4a10000015650-21ls00:05:480
7450900,0irq/46-4a10000012466-21users20:46:050
7450900,0irq/46-4a10000011391-21sendmail-msp22:20:060
7450900,0irq/46-4a10000010207-21runrttasks23:50:260
7350900,0irq/45-4a10000016179-1kworker/u3:123:20:090
7450890,0irq/46-4a1000005412-21ntpdc23:35:490
7450890,0irq/46-4a10000018445-21wc21:05:200
7450890,0irq/46-4a10000017714-21users22:36:040
7450880,0irq/46-4a1000009984-21runrttasks20:40:250
7450880,0irq/46-4a1000007764-21chrt20:34:460
7450880,0irq/46-4a10000019823-21cat19:35:040
7450880,0irq/46-4a10000015696-21wc22:30:560
7450870,0irq/46-4a10000027728-21wc21:31:000
7450870,0irq/46-4a10000015032-21df_inode19:20:260
7450860,0irq/46-4a1000007945-21latency_hist22:10:010
7450860,0irq/46-4a10000024137-1kworker/u3:419:55:440
7450840,0irq/46-4a10000022186-21fschecks_time22:50:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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