You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-17 - 06:26
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: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack4slot3.osadl.org (updated Mon Nov 17, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15967212415,35sleep015998-21munin-node19:08:380
2857621210,4sleep028577-21perl19:48:250
20684211413,88sleep020724-21munin-node19:23:390
2024121140,4sleep020243-21ls22:43:010
1374921120,4sleep013750-21cut20:43:140
31987210514,16sleep031988-21load19:58:370
14199210414,16sleep014200-21diskstats00:03:220
12275210415,16sleep012292-21aten_r4power_po22:18:140
11372210214,16sleep011369-21ntp_states23:53:440
7650210113,16sleep07656-21munin-node23:43:170
27173210114,15sleep027174-21irqstats21:23:360
2607210114,16sleep02438-21munin-node21:48:190
16681210114,15sleep03217-21snmpd00:09:280
4217210013,15sleep04218-21entropy20:13:230
24780210014,16sleep03217-21snmpd00:34:180
683829915,16sleep06867-21users23:39:040
954729814,16sleep09548-21iostat_ios23:48:360
2726929814,16sleep027265-21ntp_states19:43:510
1873629814,15sleep018741-21ls00:18:000
3006929714,17sleep030070-21diskstats19:53:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional