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2025-04-30 - 09:33
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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 Wed Apr 30, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745011050,0irq/46-4a10000028814-1kworker/u3:018:58:290
7450980,0irq/46-4a1000008450-21ntpq00:15:210
7450960,0irq/46-4a10000030470-21fw_forwarded_lo22:09:460
36982968,0sleep03700-21users20:49:470
7450940,0irq/46-4a10000032318-21ntpq23:49:320
7450940,0irq/46-4a10000019421-21sshd21:37:370
166972949,0sleep016698-21fw_forwarded_lo23:04:190
7450930,0irq/46-4a1000005851-21sshd00:08:400
7450930,0irq/46-4a10000023369-21/usr/sbin/munin23:24:050
7450930,0irq/46-4a10000020396-21memory20:05:110
7450930,0irq/46-4a10000018814-21rt-features19:59:350
7450930,0irq/46-4a10000014590-21wget22:58:570
7450930,0irq/46-4a10000011942-21ntpdc19:40:240
7450920,0irq/46-4a1000003585-21grep22:24:420
7450920,0irq/46-4a10000030844-21cat20:34:430
7450920,0irq/46-4a10000028227-21chrt22:03:530
7450920,0irq/46-4a10000021662-21sed20:09:040
7450920,0irq/46-4a10000021405-21wget23:19:000
7450920,0irq/46-4a10000019698-21runrttasks21:38:530
7450920,0irq/46-4a10000014870-21df_inode21:24:040
7450920,0irq/46-4a10000014476-21sendmail-msp19:48:400
7450920,0irq/46-4a10000012858-21/usr/sbin/munin21:19:440
7450920,0irq/46-4a10000012240-21users21:14:440
7450920,0irq/46-4a10000012187-21sed22:49:440
7450920,0irq/46-4a10000010359-21sensors21:09:400
49652920,0chrt979-1kworker/u3:020:54:320
7450910,0irq/46-4a100000966-21chrt19:08:580
7450910,0irq/46-4a1000008339-21memory21:04:270
7450910,0irq/46-4a1000006294-21df_abs00:09:040
7450910,0irq/46-4a1000006069-21runrttasks19:23:570
7450910,0irq/46-4a1000005428-21users19:19:480
7450910,0irq/46-4a1000003549-21/usr/sbin/munin23:59:430
7450910,0irq/46-4a10000031610-21grep22:13:420
7450910,0irq/46-4a10000029568-21runrttasks18:58:580
7450910,0irq/46-4a10000027070-21irqstats20:24:250
7450910,0irq/46-4a10000027026-21if_eth021:59:190
7450910,0irq/46-4a10000027019-21irqstats23:34:210
7450910,0irq/46-4a10000024882-21wget21:53:550
7450910,0irq/46-4a10000023342-21runrttasks20:14:000
7450910,0irq/46-4a10000019756-21wget23:13:570
7450910,0irq/46-4a1000001850-21ls22:19:420
7350910,0irq/45-4a10000031171-21munin-node22:45:150
7450900,0irq/46-4a1000009764-21snmpd19:33:160
7450900,0irq/46-4a100000904-21/usr/sbin/munin20:44:360
7450900,0irq/46-4a100000889-21aten_r4power_cu23:53:540
7450900,0irq/46-4a1000006609-21meminfo22:34:250
7450900,0irq/46-4a1000006486-21fw_forwarded_lo20:59:180
7450900,0irq/46-4a10000031656-21/usr/sbin/munin20:39:390
7450900,0irq/46-4a10000031127-21date19:03:440
7450900,0irq/46-4a10000028651-21chrt23:39:180
7450900,0irq/46-4a10000028254-21/usr/sbin/munin20:29:450
7450900,0irq/46-4a10000025219-21seq23:29:160
7450900,0irq/46-4a10000024772-21latency_hist20:18:420
7450900,0irq/46-4a10000018845-21grep23:09:390
7450900,0irq/46-4a10000016655-21grep21:29:110
7450900,0irq/46-4a10000016530-21df19:54:060
7450900,0irq/46-4a10000014694-21seq19:48:560
7450900,0irq/46-4a10000013167-21fschecks_count22:54:100
7450900,0irq/46-4a10000010101-21ntp_states00:19:350
56952900,0chrt4220-1kworker/u3:122:32:230
7450890,0irq/46-4a1000009678-21/usr/sbin/munin19:34:020
7450890,0irq/46-4a1000008887-21sshd22:40:370
7450890,0irq/46-4a10000030762-21sendmail_mailtr23:44:390
7450890,0irq/46-4a1000003012-21grep19:14:120
7450890,0irq/46-4a10000023580-21runrttasks21:49:180
7450890,0irq/46-4a10000021753-21tune2fs21:44:100
7450890,0irq/46-4a10000011107-21seq00:23:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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