You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-12 - 05:25

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 Fri Dec 12, 2025 00:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1581022600,2sleep015813-21latency_hist23:25:010
2014222590,2sleep020140-21sendmail_mailqu23:40:260
220222500,2sleep02203-21/usr/sbin/munin22:30:340
2904322470,2sleep029042-21/usr/sbin/munin22:10:150
2653521370,3chrt26534-21awk00:05:260
1381721310,3sleep013819-21grep21:10:280
32121260,4chrt322-21if_eth000:30:180
2399721200,2sleep023996-21latency19:45:170
1790621090,4sleep017978-21/usr/sbin/munin19:20:310
539421070,3sleep05384-21latency_hist22:45:020
2262621030,4sleep022664-21/usr/sbin/munin19:40:160
852921020,3sleep08080-21/usr/sbin/munin22:55:300
123522960,3sleep012350-21ntp_states21:05:290
264042930,3sleep026415-21/usr/sbin/munin22:00:150
6172920,2sleep0618-21ntpq22:25:210
314122920,2sleep031413-21ls22:20:020
111262870,3sleep011162-21swap23:05:300
5832836,63sleep0624-21memory20:20:200
1405628013,54sleep00-21swapper19:05:270
35182770,4sleep03591-21awk20:30:300
14674996216,17cyclictest28035-21processes22:05:310
14674996030,21cyclictest9683-21/usr/sbin/munin23:00:240
224332590,2sleep022434-21if_eth023:50:170
1467499599,18cyclictest17147-21/usr/sbin/munin23:30:150
14674995933,16cyclictest21358-21/usr/sbin/munin23:45:250
14674995931,17cyclictest14984-21/usr/sbin/munin19:10:210
14674995921,26cyclictest18577-21irqstats23:35:170
74342583,46sleep00-21swapper22:50:480
14674995834,16cyclictest5678-21/usr/sbin/munin20:40:140
14674995834,15cyclictest21416-21/usr/sbin/munin19:35:170
14674995817,14cyclictest18961-21ntp_states19:25:230
14674995810,16cyclictest24538-21sshd23:58:180
1467499579,19cyclictest31866-21ntp_states20:15:230
1467499578,14cyclictest6951-21df_inode20:45:160
1467499577,17cyclictest9769-21/usr/sbin/munin20:55:250
14674995733,15cyclictest27545-21/usr/sbin/munin00:10:160
14674995733,14cyclictest25302-21/usr/sbin/munin21:55:250
14674995732,15cyclictest21457-21/usr/sbin/munin21:40:240
14674995726,21cyclictest10947-21/usr/sbin/munin21:00:200
14674995710,16cyclictest4435-21/usr/sbin/munin20:35:190
14674995710,16cyclictest21064-21grep21:40:010
14674995710,15cyclictest17295-21/usr/sbin/munin21:25:290
1467499569,19cyclictest25393-21ntpq19:50:210
1467499569,19cyclictest2321-21vmstat20:25:330
1467499569,15cyclictest23750-21/usr/sbin/munin21:50:210
1467499569,15cyclictest13249-21/usr/sbin/munin23:15:300
1467499568,18cyclictest5652-21latency22:45:160
1467499568,17cyclictest19952-21/usr/sbin/munin19:30:270
1467499568,16cyclictest15861-21/usr/sbin/munin23:25:160
1467499568,14cyclictest14641-21/usr/sbin/munin21:15:360
1467499567,16cyclictest31682-21ntpq00:25:280
1467499567,15cyclictest30291-21/usr/sbin/munin20:10:280
14674995634,15cyclictest1822-21/usr/sbin/munin00:35:300
14674995633,15cyclictest22540-21/usr/sbin/munin21:45:150
14674995631,16cyclictest8761-21/usr/sbin/munin20:50:310
14674995631,16cyclictest28906-21/usr/sbin/munin00:15:190
14674995625,21cyclictest26462-21sh19:55:140
1467499558,15cyclictest2910-21/usr/sbin/munin22:35:110
1467499558,14cyclictest30283-21memory00:20:200
1467499557,15cyclictest24913-21/usr/sbin/munin00:00:170
14674995533,14cyclictest16542-21/usr/sbin/munin21:20:320
14674995531,15cyclictest31765-21/usr/sbin/munin22:20:200
14674995510,18cyclictest29008-21/usr/sbin/munin20:05:330
1467499549,14cyclictest11973-21grep23:10:130
14674995430,15cyclictest27802-21/usr/sbin/munin20:00:140
14674995330,14cyclictest18558-21runrttasks21:30:050
1467499526,19cyclictest16329-21grep19:15:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional