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2026-09-13 - 05:16
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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 all highest latencies:
System rack4slot2.osadl.org (updated Sun Sep 13, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502410,0irq/46-4a10000027209-1kworker/u3:219:07:200
7450950,0irq/46-4a10000030062-21chrt22:24:170
7450940,0irq/46-4a10000015389-21irqstats20:05:310
7450930,0irq/46-4a1000006765-21tune2fs19:40:230
7450930,0irq/46-4a10000025740-21memory22:10:380
7450930,0irq/46-4a10000013506-21diskstats23:10:190
7450920,0irq/46-4a1000009300-21sshd21:22:170
7450920,0irq/46-4a10000032564-21memory20:55:410
7450920,0irq/46-4a10000032542-21latency22:30:320
7450920,0irq/46-4a10000027442-21meminfo22:15:360
7450920,0irq/46-4a10000024496-21users22:05:520
7450920,0irq/46-4a10000023698-21df_inode20:30:140
7450920,0irq/46-4a10000022807-21users23:35:530
7450920,0irq/46-4a10000020673-21seq20:20:410
7450920,0irq/46-4a10000014150-21timerwakeupswit21:35:530
7450910,0irq/46-4a1000009861-21/usr/sbin/munin21:25:050
7450910,0irq/46-4a1000008032-21date22:54:570
7450910,0irq/46-4a1000004480-21chrt19:34:550
7450910,0irq/46-4a100000414-21grep00:05:510
7450910,0irq/46-4a1000003751-21chrt21:05:460
7450910,0irq/46-4a10000030536-21df_inode20:50:140
7450910,0irq/46-4a10000029836-21runrttasks23:57:220
7450910,0irq/46-4a10000029631-21sed19:14:590
7450910,0irq/46-4a10000021729-21/usr/sbin/munin22:00:380
7450910,0irq/46-4a10000021614-21seq21:59:550
7450910,0irq/46-4a10000019363-21users21:50:530
7450910,0irq/46-4a1000001890-21grep00:10:450
7450910,0irq/46-4a10000016314-21runrttasks23:18:370
7450910,0irq/46-4a10000015095-21df21:40:110
7450910,0irq/46-4a10000010174-21runrttasks19:50:240
1762529110,0sleep017636-21vmstat20:10:550
7450900,0irq/46-4a1000008714-21seq00:30:390
7450900,0irq/46-4a1000008485-21fw_conntrack19:45:260
7450900,0irq/46-4a1000007412-21/usr/sbin/munin00:25:500
7450900,0irq/46-4a1000006679-21/usr/sbin/munin22:50:220
7450900,0irq/46-4a1000004439-21runrttasks00:19:070
7450900,0irq/46-4a10000031797-21runrttasks22:29:300
7450900,0irq/46-4a10000030628-21diskstats00:00:180
7450900,0irq/46-4a10000029748-21timerandwakeup19:15:060
7450900,0irq/46-4a10000025782-21ntpq20:35:450
7450890,0irq/46-4a1000007202-21mailstats21:15:490
7450890,0irq/46-4a1000005299-21ntpq21:10:430
7450890,0irq/46-4a1000005194-21chrt22:45:320
7450890,0irq/46-4a1000005125-21irqstats19:35:290
7450890,0irq/46-4a100000442-21snmpd00:38:460
7450890,0irq/46-4a1000004211-21seq22:42:230
7450890,0irq/46-4a10000029025-21if_err_eth020:45:300
7450890,0irq/46-4a10000028257-1kworker/u3:023:54:180
7450890,0irq/46-4a1000002721-21runrttasks19:29:360
7450890,0irq/46-4a10000023671-21df23:40:090
7450890,0irq/46-4a10000017284-21ntp_kernel_err23:20:400
7450890,0irq/46-4a1000001693-21ls21:00:310
7450890,0irq/46-4a10000013607-21cat20:00:230
7450890,0irq/46-4a1000001249-21aten_r4power_cu22:35:050
7450890,0irq/46-4a10000012097-21meminfo23:05:350
7450890,0irq/46-4a1000001049-21cron19:24:540
7450890,0irq/46-4a10000010257-21/usr/sbin/munin23:00:300
7450880,0irq/46-4a1000005452-21/usr/sbin/munin00:20:450
7450880,0irq/46-4a10000021873-21/usr/sbin/munin20:25:100
7450880,0irq/46-4a10000020492-21fw_forwarded_lo23:30:250
7450880,0irq/46-4a10000012440-21cat19:55:530
192892880,0sleep017757-1kworker/u3:123:25:480
7450870,0irq/46-4a10000025483-21diskstats23:45:170
7450870,0irq/46-4a10000018574-21diskstats20:15:170
7450870,0irq/46-4a10000017443-21basename21:45:470
7450870,0irq/46-4a10000011775-21runrttasks21:30:190
7450860,0irq/46-4a10000026717-21sendmail-msp20:40:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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