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2024-04-28 - 12:10
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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 376 highest latencies:
System rack4slot2.osadl.org (updated Sun Apr 28, 2024 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745012890,0irq/46-4a10000013926-1kworker/u3:119:08:440
7350940,0irq/45-4a1000001881-1kworker/u3:300:00:450
7350880,0irq/45-4a10000012285-21/usr/sbin/munin20:40:290
276072870,0sleep024154-1kworker/u3:500:35:090
7450860,0irq/46-4a100000430-21snmpd20:02:340
7350860,0irq/45-4a1000003375-21seq20:15:090
7350860,0irq/45-4a10000028520-1kworker/u3:023:30:300
7350860,0irq/45-4a10000019212-21grep21:00:320
7350850,0irq/45-4a10000024160-1kworker/u3:600:25:400
7450840,0irq/46-4a10000020485-21sendmail-msp22:40:420
7350840,0irq/45-4a10000024694-21ntp_kernel_pll_22:50:430
7450830,0irq/46-4a100000430-21snmpd19:22:170
7450830,0irq/46-4a10000032385-21sendmail-msp21:40:050
7450830,0irq/46-4a1000001763-21chrt21:45:020
7450830,0irq/46-4a10000017027-21latency_hist20:54:550
7350830,0irq/45-4a1000007909-21vmstat20:26:050
304222830,0chrt27207-1kworker/u3:221:33:090
7450820,0irq/46-4a1000008035-21users23:36:010
7450820,0irq/46-4a1000006779-21sendmail-msp22:01:220
7450820,0irq/46-4a10000029769-21seq23:05:400
7450820,0irq/46-4a10000029588-21sshd19:55:530
7450820,0irq/46-4a10000027329-21sendmail-msp23:00:290
7450820,0irq/46-4a10000025540-21sendmail-msp21:19:560
7450820,0irq/46-4a10000022277-21sendmail-msp00:20:290
7350820,0irq/45-4a10000023366-21unixbench_singl22:46:040
7350820,0irq/45-4a10000011161-21cat20:35:580
15747998254,0cyclictest0-21swapper22:10:170
141712829,0sleep014216-21grep23:55:280
95912817,0sleep0430-21snmpd22:06:040
7450810,0irq/46-4a1000004980-21sendmail-msp20:20:460
7450810,0irq/46-4a1000004070-21/usr/sbin/munin21:50:380
7450810,0irq/46-4a10000026038-21runrttasks00:30:190
7450810,0irq/46-4a10000024352-21diskstats19:35:190
7450810,0irq/46-4a10000021748-21users00:16:040
7450810,0irq/46-4a1000002092-21tune2fs20:10:330
7450810,0irq/46-4a10000015905-21runrttasks20:50:350
7450810,0irq/46-4a10000013636-21sendmail-msp22:22:510
7450810,0irq/46-4a10000011030-21grep23:45:410
7350810,0irq/45-4a10000025976-21df_inode21:20:230
4752810,0sleep028520-1kworker/u3:023:15:220
260612810,0sleep025650-1kworker/u3:219:42:380
214952810,0sleep017107-1kworker/u3:219:25:560
7450800,0irq/46-4a1000009352-21sendmail_mailst20:30:500
7450800,0irq/46-4a1000008558-21sendmail-msp23:40:090
7450800,0irq/46-4a10000031116-21chrt21:35:230
7450800,0irq/46-4a10000026870-21fschecks_time19:45:200
7450800,0irq/46-4a10000021550-21sed21:05:580
7450800,0irq/46-4a10000019030-21runrttasks00:10:070
7450800,0irq/46-4a1000001884-21kworker/u2:523:51:020
7450800,0irq/46-4a10000018794-21sendmail-msp19:19:540
7450800,0irq/46-4a10000015928-21fw_forwarded_lo22:25:280
7450800,0irq/46-4a10000013636-21sendmail-msp22:19:570
7350800,0irq/45-4a100000430-21snmpd23:20:310
7450790,0irq/46-4a1000005396-21df21:55:130
7450790,0irq/46-4a10000027706-1kworker/u3:119:54:520
7450790,0irq/46-4a10000022438-21aten_r4power_vo19:30:110
7450790,0irq/46-4a10000018251-21users22:31:020
7450790,0irq/46-4a10000017572-21ls19:14:570
7350790,0irq/45-4a1000002969-21kworker/u2:1820:06:040
312892796,0sleep031313-21perl23:10:290
7450780,0irq/46-4a10000027657-21df_abs21:25:150
7450780,0irq/46-4a10000025730-21runrttasks22:55:030
7450780,0irq/46-4a10000018922-21cut22:35:060
7450780,0irq/46-4a10000014976-1kworker/u3:220:48:300
15747997851,0cyclictest0-21swapper23:25:430
7450770,0irq/46-4a10000017666-21tune2fs00:05:280
7450760,0irq/46-4a10000023404-1kworker/u3:221:12:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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