You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-09-16 - 07:28
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 Tue Sep 16, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
735010360,0irq/45-4a10000012-21ksoftirqd/019:02:140
19572210010,0sleep019586-21/usr/sbin/munin19:53:070
7450960,0irq/46-4a10000024000-21latency_hist21:42:100
7450940,0irq/46-4a1000009402-21latency00:07:520
7450940,0irq/46-4a10000030480-1kworker/u3:122:05:210
7450940,0irq/46-4a10000029032-1kworker/u3:023:33:020
7450940,0irq/46-4a10000024428-21seq20:07:500
7450940,0irq/46-4a10000018153-21timerwakeupswit19:49:100
7450940,0irq/46-4a10000016112-21nfs4_client21:17:560
7450930,0irq/46-4a1000005155-21/usr/sbin/munin20:47:500
7450930,0irq/46-4a10000028507-21ls23:28:050
7450930,0irq/46-4a10000028325-21timerwakeupswit20:18:070
7450930,0irq/46-4a10000016101-21fschecks_time00:27:400
7450930,0irq/46-4a10000014144-21/usr/sbin/munin00:22:270
7450930,0irq/46-4a10000010089-21runrttasks21:01:330
30432930,0sleep01621-1kworker/u3:023:48:150
7450920,0irq/46-4a1000008694-21/usr/sbin/munin22:33:000
7450920,0irq/46-4a1000007957-21awk20:53:110
7450920,0irq/46-4a100000691-21tune2fs23:42:390
7450920,0irq/46-4a1000005521-21grep19:12:210
7450920,0irq/46-4a10000026205-21fw_packets21:47:440
7450920,0irq/46-4a10000022921-21meminfo21:37:530
7450920,0irq/46-4a10000019309-21fschecks_time21:27:420
7450920,0irq/46-4a10000015382-21aten_r4power_en19:42:220
7450920,0irq/46-4a10000013723-21/usr/sbin/munin21:12:290
7450920,0irq/46-4a10000013483-21sendmail19:37:060
7450910,0irq/46-4a1000006668-21seq22:25:410
7450910,0irq/46-4a1000005590-21cpuspeed23:57:260
7450910,0irq/46-4a1000005303-21latency_hist19:12:160
7450910,0irq/46-4a1000004613-21/usr/sbin/munin23:53:080
7450910,0irq/46-4a1000003447-21runrttasks22:17:060
7450910,0irq/46-4a10000031372-21grep23:37:390
7450910,0irq/46-4a10000030870-21aten_r4power_vo20:27:210
7450910,0irq/46-4a10000027799-21chrt21:52:530
7450910,0irq/46-4a10000021163-21/usr/sbin/munin23:07:470
7450910,0irq/46-4a10000020941-21seq19:57:440
7450910,0irq/46-4a10000015726-21cpuspeed22:52:260
7450910,0irq/46-4a10000014295-21fw_forwarded_lo22:47:440
7450910,0irq/46-4a10000013210-21zcat00:19:110
7450910,0irq/46-4a10000011374-21awk22:39:020
7450900,0irq/46-4a1000008679-21sh00:07:040
7450900,0irq/46-4a1000008108-21runrttasks19:20:170
7450900,0irq/46-4a1000007214-21/usr/sbin/munin22:27:300
7450900,0irq/46-4a1000003842-21tune2fs20:42:390
7450900,0irq/46-4a1000003575-21runrttasks22:17:190
7450900,0irq/46-4a10000029048-21/usr/sbin/munin20:23:070
7450900,0irq/46-4a10000026203-21runrttasks20:12:500
7450900,0irq/46-4a10000020918-21/usr/sbin/munin21:32:370
7450900,0irq/46-4a10000019439-21perl23:02:430
7450900,0irq/46-4a10000018781-21runrttasks00:35:480
7450900,0irq/46-4a10000017760-21latency21:22:500
7450900,0irq/46-4a10000011016-21chrt21:02:580
7450900,0irq/46-4a10000010746-21df00:12:280
271862900,0sleep025000-1kworker/u3:123:25:180
228602900,0chrt20434-1kworker/u3:023:12:430
7450890,0irq/46-4a1000008807-21diskstats19:22:360
7450890,0irq/46-4a10000032644-21grep20:32:270
7450890,0irq/46-4a10000029457-21chrt21:57:360
7450890,0irq/46-4a10000022269-21seq20:02:260
7450890,0irq/46-4a10000017881-21meminfo22:57:530
7450890,0irq/46-4a1000001741-21runrttasks20:37:180
7450890,0irq/46-4a10000013596-21grep19:37:110
7450890,0irq/46-4a10000012904-21/usr/sbin/munin22:43:050
7450890,0irq/46-4a10000012599-21grep21:07:500
7450890,0irq/46-4a10000010799-21meminfo19:27:520
7450880,0irq/46-4a10000024351-21df23:17:280
7450870,0irq/46-4a1000001729-21cut22:12:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional