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2023-10-04 - 03:09
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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 50 highest latencies:
System rack4slot2.osadl.org (updated Wed Oct 04, 2023 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74503840,0irq/46-4a1000002071-1kworker/u3:019:01:550
7450970,0irq/46-4a10000020461-21grep21:02:310
7450960,0irq/46-4a10000015925-21snmpd20:21:230
7450960,0irq/46-4a10000013546-21grep22:17:240
191122960,0sleep016224-1kworker/u3:119:26:160
7450950,0irq/46-4a1000003083-21seq20:13:230
7450950,0irq/46-4a10000025413-21grep19:42:300
5822950,0sleep032717-1kworker/u3:023:15:370
313642950,0sleep030560-1kworker/u3:123:10:590
1530129510,0sleep015347-21uptime20:47:330
7450940,0irq/46-4a1000008565-21awk23:37:300
7450940,0irq/46-4a10000031847-21fschecks_time21:37:020
7450940,0irq/46-4a10000029730-21sshd21:31:420
7450940,0irq/46-4a1000001788-21users21:42:360
7350940,0irq/45-4a100000479-21runrttasks23:05:260
7350940,0irq/45-4a10000028006-21/usr/sbin/munin21:27:270
219012940,0chrt21713-1kworker/u3:322:42:550
107862940,0sleep02200-1kworker/u3:123:44:490
7450930,0irq/46-4a1000009738-21runrttasks22:07:060
7450930,0irq/46-4a1000008039-21fw_forwarded_lo22:02:110
7450930,0irq/46-4a1000007250-21cron20:26:200
7450930,0irq/46-4a10000023061-21entropy19:37:010
7450930,0irq/46-4a10000021377-21df21:06:570
7450930,0irq/46-4a10000021322-21sendmail-msp00:16:220
7450930,0irq/46-4a10000018705-21awk22:32:290
7450930,0irq/46-4a10000016170-21df_inode19:16:520
7450930,0irq/46-4a10000014742-21df_inode22:21:530
7450930,0irq/46-4a10000013068-21df23:51:500
7450930,0irq/46-4a10000012210-21users23:47:320
1437329328,0sleep014393-21sed19:12:040
7450920,0irq/46-4a1000009442-21sshd20:31:580
7450920,0irq/46-4a10000027052-21meminfo22:57:140
7450920,0irq/46-4a10000026124-21runrttasks22:55:130
7450920,0irq/46-4a10000025295-21tune2fs00:27:010
7450920,0irq/46-4a10000023401-21cut22:47:020
7450920,0irq/46-4a1000002113-21apt-get20:11:220
7450920,0irq/46-4a10000020156-21cat19:27:290
7450920,0irq/46-4a10000017713-21chrt20:56:370
7450920,0irq/46-4a10000016680-21irqstats22:27:100
7450920,0irq/46-4a10000015722-21runrttasks23:57:560
7450920,0irq/46-4a10000012141-21sshd19:06:590
7350920,0irq/45-4a100000479-21runrttasks19:32:300
7450910,0irq/46-4a1000006695-21ntpq23:32:200
7450910,0irq/46-4a1000006478-21/usr/sbin/munin21:57:210
7450910,0irq/46-4a1000004498-21df_abs23:26:510
7450910,0irq/46-4a1000004440-21diskstats21:51:580
7450910,0irq/46-4a1000003917-21runrttasks23:24:440
7450910,0irq/46-4a10000031923-21memory20:02:190
7450910,0irq/46-4a1000002835-21runrttasks21:46:590
7450910,0irq/46-4a10000027982-21/usr/sbin/munin19:51:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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