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2025-12-06 - 19:32
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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 06, 2025 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501990,0irq/46-4a1000009872-21/usr/sbin/munin07:03:120
7450970,0irq/46-4a10000025741-21tr10:57:440
180232960,0sleep016606-1kworker/u3:107:23:460
7450950,0irq/46-4a10000024971-21pure-ftpd07:43:510
7350950,0irq/45-4a10000031578-1kworker/u3:308:09:560
7450940,0irq/46-4a1000007459-21sed08:28:290
7450940,0irq/46-4a1000005930-21irqstats11:33:310
7450940,0irq/46-4a10000026674-21/usr/sbin/munin07:48:500
7450940,0irq/46-4a10000021127-21irqstats09:08:270
7450940,0irq/46-4a10000014246-21runrttasks10:23:370
7450940,0irq/46-4a10000010764-21fw_forwarded_lo08:38:200
7450930,0irq/46-4a100000443-21snmpd08:19:540
7450930,0irq/46-4a100000443-21snmpd07:39:240
7450930,0irq/46-4a10000029344-21chrt07:58:100
7450930,0irq/46-4a10000028362-21/usr/sbin/munin11:04:290
7450930,0irq/46-4a10000024872-21meminfo12:28:300
7450930,0irq/46-4a10000016229-21runrttasks12:03:270
7450930,0irq/46-4a10000014913-21switchtime11:58:460
7450930,0irq/46-4a1000001023-21mailstats09:43:430
7450920,0irq/46-4a1000009426-21ntp_states10:08:400
7450920,0irq/46-4a1000008562-21cron10:07:430
7450920,0irq/46-4a10000032138-21runrttasks11:14:220
7450920,0irq/46-4a10000031506-21meminfo09:38:310
7450920,0irq/46-4a10000031331-21if_eth008:03:560
7450920,0irq/46-4a10000029742-21fw_forwarded_lo11:08:240
7450920,0irq/46-4a1000002400-21sort11:23:320
7450920,0irq/46-4a10000017640-21fw_forwarded_lo08:58:230
7450920,0irq/46-4a10000015542-21sort10:27:480
7450920,0irq/46-4a10000013603-21runrttasks07:13:120
7450920,0irq/46-4a10000012230-21timerandwakeup07:08:460
7450920,0irq/46-4a10000010188-21wc08:37:460
7350920,0irq/45-4a10000015414-21latency_hist08:52:480
174982920,0sleep016816-1kworker/u3:010:33:050
7450910,0irq/46-4a1000008922-21wget11:43:040
7450910,0irq/46-4a1000005769-21cut08:23:310
7450910,0irq/46-4a1000005055-21runrttasks09:57:110
7450910,0irq/46-4a1000004210-21irqstats11:28:260
7450910,0irq/46-4a10000027622-21df_inode07:53:120
7450910,0irq/46-4a10000027458-21/usr/sbin/munin09:28:440
7450910,0irq/46-4a10000024042-21runrttasks09:17:540
7450910,0irq/46-4a10000022671-21aten_r4power_vo12:23:040
7450910,0irq/46-4a10000020978-21sshd07:33:260
7450910,0irq/46-4a10000019932-21swap10:38:460
7450910,0irq/46-4a10000019717-21/usr/sbin/munin12:13:290
7450910,0irq/46-4a10000019612-21tr07:28:430
7450910,0irq/46-4a10000017389-21/usr/sbin/munin12:08:280
7450910,0irq/46-4a10000011142-21meminfo11:48:300
7450900,0irq/46-4a1000003433-21runrttasks09:52:430
7450900,0irq/46-4a10000027558-21munin-run12:37:440
7450900,0irq/46-4a10000026433-21ntpq09:23:400
7450900,0irq/46-4a10000022834-21irqstats09:13:260
7450900,0irq/46-4a10000021752-21grep10:43:460
7450900,0irq/46-4a1000002028-21diskstats08:13:140
7450900,0irq/46-4a10000019422-21irqstats09:03:270
7450900,0irq/46-4a10000015625-21/usr/sbin/munin07:18:110
7450900,0irq/46-4a10000014267-21seq08:48:290
7450900,0irq/46-4a10000013071-21cat10:18:450
7450900,0irq/46-4a10000012211-21/usr/sbin/munin08:43:060
7450900,0irq/46-4a10000011658-21runrttasks10:14:520
7450890,0irq/46-4a1000007537-21fschecks_time11:38:170
7450890,0irq/46-4a1000005255-21latency_hist09:57:480
7450890,0irq/46-4a10000032685-21date11:17:480
7450890,0irq/46-4a10000029177-21seq09:33:010
7450890,0irq/46-4a10000026911-21awk10:58:510
7450890,0irq/46-4a10000023800-21seq10:51:090
7450890,0irq/46-4a10000021371-21runrttasks12:18:230
7450890,0irq/46-4a10000013511-21seq11:55:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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