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2025-12-29 - 11:56
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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 Mon Dec 29, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502330,0irq/45-4a10000016772-21kworker/0:219:05:200
1197229820,0sleep012032-21processes21:35:370
7450970,0irq/46-4a1000007825-21runrttasks00:34:390
7450960,0irq/46-4a1000004206-21sendmail-msp19:41:230
7450960,0irq/46-4a10000028318-21sendmail-msp00:01:490
7450960,0irq/46-4a10000027565-21open_files23:56:380
7450960,0irq/46-4a10000025624-21meminfo22:16:130
7450960,0irq/46-4a10000024810-21/usr/sbin/munin20:40:140
7450960,0irq/46-4a10000014733-21/usr/sbin/munin23:20:500
7450950,0irq/46-4a1000009441-21chrt00:39:080
7450950,0irq/46-4a1000005021-21nfs4_client21:15:300
7450950,0irq/46-4a1000004206-21sendmail-msp19:39:410
7450950,0irq/46-4a100000397-21runrttasks00:11:520
7450950,0irq/46-4a100000359-21runrttasks19:26:260
7450950,0irq/46-4a10000030560-21/usr/sbin/munin00:05:160
7450950,0irq/46-4a10000028600-21/usr/sbin/munin20:50:080
7450950,0irq/46-4a10000027323-21pluginstate20:45:410
7450950,0irq/46-4a10000023851-21kernelversion23:45:260
7450950,0irq/46-4a10000017087-21chrt21:51:180
7450950,0irq/46-4a10000014800-21cstates20:10:080
2769529511,0sleep027707-21munin-node19:14:480
7450940,0irq/46-4a1000008892-21/usr/sbin/munin21:25:460
7450940,0irq/46-4a1000006570-21irqstats19:45:270
7450940,0irq/46-4a1000006490-21seq22:55:120
7450940,0irq/46-4a10000032118-21fschecks_count22:35:100
7450940,0irq/46-4a10000031578-21sendmail-msp20:59:570
7450940,0irq/46-4a10000029915-21cron22:29:370
7450940,0irq/46-4a10000029828-21sendmail-msp19:19:480
7450940,0irq/46-4a10000021469-21sendmail-msp23:41:020
7450940,0irq/46-4a1000001044-21chrt22:39:510
7450930,0irq/46-4a1000005645-21runrttasks00:26:040
7450930,0irq/46-4a1000003189-21seq21:10:210
7450930,0irq/46-4a1000003072-21chrt22:45:080
7450930,0irq/46-4a10000030196-21df20:55:020
7450930,0irq/46-4a10000023819-21meminfo22:10:270
7450930,0irq/46-4a10000017269-21rt-features23:25:380
7450930,0irq/46-4a10000016477-21cstates20:15:060
7450930,0irq/46-4a1000001273-21runrttasks21:05:090
7450930,0irq/46-4a10000011037-21sendmail-msp20:00:400
183742930,0chrt17791-1kworker/u3:123:30:030
7450920,0irq/46-4a1000008343-21memory19:50:290
7450920,0irq/46-4a100000460-21snmpd20:04:530
7450920,0irq/46-4a10000025830-21chrt23:50:390
7450920,0irq/46-4a10000020022-21df_inode20:25:050
7450920,0irq/46-4a10000019629-21cron21:59:380
7450920,0irq/46-4a10000015531-21kworker/u2:1621:20:100
7450920,0irq/46-4a10000014532-21awk21:44:400
7450920,0irq/46-4a10000013718-21runrttasks23:15:360
7450920,0irq/46-4a10000010817-21seq19:58:120
7450920,0irq/46-4a10000010052-21seq23:05:150
86292910,0sleep05816-1kworker/u3:123:00:530
7450910,0irq/46-4a1000009901-21tune2fs21:30:110
7450910,0irq/46-4a100000460-21snmpd20:30:170
7450910,0irq/46-4a10000030681-21meminfo22:30:300
7450910,0irq/46-4a1000002692-21sendmail-msp00:21:460
7450910,0irq/46-4a10000026626-21/usr/sbin/munin22:19:490
7450910,0irq/46-4a10000022886-21chrt22:08:100
7450910,0irq/46-4a10000019678-21sendmail-msp22:00:480
7450910,0irq/46-4a10000015752-21users21:45:500
7450910,0irq/46-4a10000012003-21ntp_states23:10:330
7450900,0irq/46-4a10000019861-21dpkg23:34:480
7450900,0irq/46-4a1000001367-21fw_forwarded_lo19:30:210
7450900,0irq/46-4a1000001146-21aten_r4power_po00:14:580
7450890,0irq/46-4a1000004512-21aten_r4power_en22:49:530
7450890,0irq/46-4a10000027436-21runrttasks19:14:230
7450890,0irq/46-4a10000024027-21grep20:35:450
7450890,0irq/46-4a10000019463-21chrt20:23:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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