You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-04-02 - 08:30
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 50 highest latencies:
System rack5slot7.osadl.org (updated Wed Apr 02, 2025 00:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
327223952201,142sleep00-21swapper17:48:350
7809915877,40cyclictest11077-21/usr/sbin/munin22:53:210
7809915782,35cyclictest30911-21apt-get20:22:420
7809915678,53cyclictest32660-21ssh22:15:170
7809915677,55cyclictest18421-21latency_hist23:17:250
7809915582,51cyclictest21878-21/usr/sbin/munin21:39:010
7809915579,52cyclictest24843-21/usr/sbin/munin20:02:540
7809915577,52cyclictest14996-21/usr/sbin/munin21:18:550
7809915478,52cyclictest6071-21ssh20:47:140
7809915478,34cyclictest2433-21/usr/sbin/munin22:22:500
7809915478,34cyclictest19338-21/usr/sbin/munin21:33:480
7809915476,54cyclictest1247-21sh20:32:490
7809915382,49cyclictest26708-21ssh20:08:350
7809915380,50cyclictest30572-21ssh22:08:060
7809915377,52cyclictest8937-21apt-get20:57:420
7809915279,49cyclictest12443-21ssh21:08:160
7809915277,34cyclictest14396-21ssh21:14:500
7809915275,51cyclictest23240-21memory21:43:370
7809915273,36cyclictest8419-21grep18:28:270
7809915184,26cyclictest8523-21apt-get22:42:430
7809915179,50cyclictest29845-21/usr/sbin/munin20:18:510
7809915177,51cyclictest23124-21/usr/sbin/munin19:57:320
7809915175,56cyclictest13639-21awk22:59:020
7809915174,52cyclictest721-21apt-get22:17:470
7809915081,49cyclictest4216-21ssh22:28:040
7809915079,47cyclictest11239-21ssh21:03:480
7809915078,50cyclictest16853-21sort19:27:240
7809915073,38cyclictest7420-21ssh20:52:530
7809915071,36cyclictest19360-21grep23:18:580
7809914977,49cyclictest26042-21awk21:53:480
7809914975,52cyclictest21441-21apt-get19:52:500
7809914975,50cyclictest7235-21munin-node20:52:280
7809914975,50cyclictest16933-21cat23:12:270
7809914974,34cyclictest10513-21ssh22:49:410
7809914973,37cyclictest25355-21latency_hist21:52:270
7809914972,53cyclictest18333-21latency_hist21:27:280
7809914972,52cyclictest27707-21ssh20:12:590
7809914969,54cyclictest21403-21ssh19:52:290
7809914883,43cyclictest28799-21apt-get22:02:440
7809914879,47cyclictest7269-21irqstats22:38:330
7809914876,50cyclictest14666-21ssh23:03:000
7809914875,50cyclictest13211-21apt-get19:02:380
7809914873,50cyclictest10496-21grep18:42:480
7809914871,54cyclictest12374-21cut18:57:470
7809914870,55cyclictest2897-21ssh20:37:480
7809914779,48cyclictest5941-21cut18:17:450
7809914775,32cyclictest27088-21/usr/sbin/munin21:58:280
7809914772,52cyclictest5736-21unixbench_singl18:13:310
7809914772,51cyclictest11917-21grep18:53:190
7809914676,49cyclictest19834-21df19:42:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional