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2025-11-03 - 05:21
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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 Mon Nov 03, 2025 00:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502570,0irq/46-4a10000012-21ksoftirqd/019:06:240
7333999650,0cyclictest0-21swapper19:29:140
201622960,0sleep019510-1kworker/u3:022:55:100
7450950,0irq/46-4a10000026661-21chrt23:15:010
7450940,0irq/46-4a10000028170-21cat20:09:540
7450940,0irq/46-4a10000019895-21meminfo00:29:480
7450940,0irq/46-4a10000012446-21chrt00:09:200
7450930,0irq/46-4a1000005529-21aten_r4power_po22:14:200
7450930,0irq/46-4a10000026664-21ntp_kernel_pll_21:40:080
7450930,0irq/46-4a10000024845-21irqstats23:09:450
7450930,0irq/46-4a10000021835-21ls23:00:100
7450930,0irq/46-4a10000020366-21users21:21:330
7450930,0irq/46-4a10000012799-21irqstats19:25:360
7450930,0irq/46-4a10000010121-21sendmail-mta22:26:220
326312930,0sleep032388-1kworker/u3:123:33:100
7450920,0irq/46-4a1000009807-21chrt20:50:170
7450920,0irq/46-4a1000006656-21chrt23:50:100
7450920,0irq/46-4a1000005284-21sendmail20:39:040
7450920,0irq/46-4a10000031553-21sshd21:54:500
7450920,0irq/46-4a10000029783-21df_inode23:24:300
7450920,0irq/46-4a10000028514-21cut21:45:200
7450920,0irq/46-4a1000002366-21df23:39:250
7450920,0irq/46-4a10000021059-21df21:24:320
7450920,0irq/46-4a10000011532-21timerandwakeup20:55:150
7450910,0irq/46-4a1000008894-21sendmail-msp23:59:030
7450910,0irq/46-4a1000006995-21munin-run20:44:040
7450910,0irq/46-4a1000004208-21fw_forwarded_lo22:09:400
7450910,0irq/46-4a10000028095-21forks23:19:350
7450910,0irq/46-4a1000002415-21grep22:04:380
7450910,0irq/46-4a10000023389-21pure-ftpd21:31:130
7450910,0irq/46-4a1000002337-21grep20:29:380
7450910,0irq/46-4a10000021232-21ls00:34:330
7450910,0irq/46-4a10000018173-21open_files22:49:580
7450910,0irq/46-4a10000018121-21irqstats00:24:460
7450910,0irq/46-4a10000015871-21/usr/sbin/munin21:09:220
7450910,0irq/46-4a10000014828-21meminfo00:15:320
7450910,0irq/46-4a10000012820-21fw_conntrack22:35:030
7450910,0irq/46-4a10000010590-21aten_r4power_vo19:19:260
7350910,0irq/45-4a100000801-21/usr/sbin/munin20:24:530
7450900,0irq/46-4a1000009486-21fw_forwarded_lo23:59:420
7450900,0irq/46-4a1000007633-21df19:09:250
7450900,0irq/46-4a10000031716-1kworker/u3:222:02:090
7450900,0irq/46-4a10000031108-21/usr/sbin/munin20:19:230
7450900,0irq/46-4a10000030001-21memory21:50:020
7450900,0irq/46-4a10000024127-21cut19:59:100
7450900,0irq/46-4a10000020669-21/usr/sbin/munin19:50:120
7450900,0irq/46-4a10000019550-21irqstats19:44:530
7450900,0irq/46-4a10000018729-21chrt19:43:050
7450900,0irq/46-4a10000017614-21expr21:14:270
7450900,0irq/46-4a10000016951-21/usr/sbin/munin00:20:100
7450900,0irq/46-4a10000016397-21awk19:35:150
7450900,0irq/46-4a10000014574-21sshd22:39:490
7450900,0irq/46-4a10000014309-21diskstats21:04:350
7450900,0irq/46-4a10000011342-21ntp_states22:30:120
7450900,0irq/46-4a10000011200-21ls00:04:410
7450900,0irq/46-4a1000001109-21chrt23:35:260
7450890,0irq/46-4a1000009314-21munin-node19:14:230
7450890,0irq/46-4a1000007647-21tune2fs22:19:360
7450890,0irq/46-4a1000007349-21df20:44:290
7450890,0irq/46-4a100000443-21snmpd23:04:510
7450890,0irq/46-4a10000029708-21perl20:14:420
7450890,0irq/46-4a10000027349-21chrt20:08:320
7450890,0irq/46-4a10000024778-21if_eth021:34:580
7450890,0irq/46-4a10000016364-21memory22:44:520
7450890,0irq/46-4a10000010129-1kworker/u3:120:59:160
7450880,0irq/46-4a1000004361-21if_err_eth023:44:440
7450880,0irq/46-4a10000022653-21sed19:54:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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