You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-11 - 14:01

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

Default latency plot of shadow in rack #4, slot #6

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next
  
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
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack4slot6s.osadl.org (updated Thu Jun 11, 2026 12:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2446721370,2sleep024470-21wc09:35:270
1664121330,4chrt16201-21/usr/sbin/munin09:05:270
1749421260,4chrt17492-21memory11:15:160
3178021180,2sleep031781-21date08:00:010
1504821180,4chrt15045-21open_files11:05:240
1099821170,4chrt10999-21/usr/sbin/munin10:50:160
1007821170,3chrt10074-21cat10:45:260
2557421160,3chrt25575-21/usr/sbin/munin09:40:230
373021120,3chrt3731-21vmstat10:20:280
2852821000,2sleep028525-21cat07:45:270
228832980,4sleep022926-21/usr/sbin/munin09:30:180
134862970,3sleep013540-21date08:55:010
36152950,3sleep03269-21/usr/sbin/munin08:15:250
291652950,5sleep029183-21/usr/sbin/munin09:55:130
215902950,4sleep021637-21/usr/sbin/munin11:30:260
252182890,4sleep025257-21/usr/sbin/munin11:45:160
18854998452,20cyclictest11511-21/usr/sbin/munin08:45:260
18854998354,19cyclictest4465-21/usr/sbin/munin10:25:110
18854998152,18cyclictest5695-21/usr/sbin/munin10:30:290
18854998054,16cyclictest18707-21idleruntime11:20:140
18854998053,14cyclictest29878-21users07:50:300
18854998051,16cyclictest22666-21memory11:35:180
18854998049,19cyclictest20156-21/usr/sbin/munin09:20:120
18854997953,14cyclictest17603-21/usr/sbin/munin09:10:140
18854997949,18cyclictest19912-21/usr/sbin/munin11:25:300
18854997853,16cyclictest32670-21runrttasks08:01:590
18854997853,13cyclictest4878-21ntp_states08:20:210
18854997849,18cyclictest14972-21/usr/sbin/munin09:00:140
18854997750,15cyclictest25481-21/usr/sbin/munin07:35:130
1792427721,34sleep017942-21ntp_states07:05:200
18854997652,13cyclictest26833-21ntp_states09:45:220
18854997651,14cyclictest32003-21ntp_states10:05:220
18854997651,14cyclictest29042-21seq09:55:020
18854997651,14cyclictest1651-21chrt10:14:450
18854997651,13cyclictest13672-21/usr/sbin/munin08:55:140
18854997649,15cyclictest30561-21irqstats10:00:180
18854997648,17cyclictest2282-21ntp_states08:10:220
18854997551,14cyclictest19146-21memory07:10:170
18854997551,14cyclictest12329-21/usr/sbin/munin10:55:170
18854997551,13cyclictest6493-21chrt08:25:340
18854997547,17cyclictest8563-21/usr/sbin/munin10:40:220
18854997541,21cyclictest8440-21/usr/sbin/munin08:35:280
18854997451,13cyclictest9751-21/usr/sbin/munin08:40:250
18854997451,13cyclictest13803-21ps11:00:260
18854997450,14cyclictest633-21ntp_states12:15:220
18854997450,14cyclictest1866-21latency_hist08:10:010
18854997350,13cyclictest22254-21seq09:27:410
18854997349,15cyclictest16315-21ntp_states11:10:220
18854997349,14cyclictest31710-21memory12:10:180
18854997348,14cyclictest27122-21find07:40:260
18854997347,15cyclictest18765-21runrttasks09:15:050
18854997347,15cyclictest114-21systemd-journal08:30:010
18854997344,19cyclictest30239-21/usr/sbin/munin12:05:140
18854997342,18cyclictest24114-21/usr/sbin/munin11:40:230
18854997338,19cyclictest27307-21sshd11:53:190
18854997250,14cyclictest24780-21runrttasks07:30:530
18854997249,12cyclictest1955-21seq12:20:220
18854997248,14cyclictest3348-21sendmail_mailqu12:25:260
18854997246,15cyclictest21486-21wc07:20:020
18854997245,16cyclictest2088-21/usr/sbin/munin10:15:200
18854997244,14cyclictest21607-21awk07:20:090
18854997147,14cyclictest28489-21chrt11:57:300
18854997138,21cyclictest22841-21/usr/sbin/munin07:25:180
18854997040,17cyclictest29138-21memory12:00:180
18854996944,15cyclictest5927-21mailstats12:35:250
18854996937,18cyclictest4287-21df_inode12:30:120
18854996846,13cyclictest7379-21ps10:35:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional