You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-05-02 - 12:42

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 #0, slot #0

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: 100 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 r0s0s.osadl.org (updated Fri May 02, 2025 00:46:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4770462303274,22sleep10-21swapper/119:08:451
4769162299278,13sleep40-21swapper/419:07:034
4751852295287,5sleep70-21swapper/719:05:057
4770422291256,27sleep60-21swapper/619:08:426
4770772286266,13sleep50-21swapper/519:09:145
4768272284264,13sleep00-21swapper/019:05:460
4770662281263,12sleep30-21swapper/319:09:033
4768292281260,13sleep20-21swapper/219:05:492
477607994848,0cyclictest0-21swapper/222:55:152
477607994848,0cyclictest0-21swapper/200:30:352
477607994747,0cyclictest0-21swapper/221:52:392
477607994444,0cyclictest0-21swapper/221:29:432
477607994443,1cyclictest331irq_work/222:26:312
477607994443,1cyclictest331irq_work/200:12:312
477607994242,0cyclictest331irq_work/222:02:072
477607993636,0cyclictest0-21swapper/223:24:352
47761099350,30cyclictest0-21swapper/522:05:155
47761099350,1cyclictest0-21swapper/521:40:175
477607993535,0cyclictest0-21swapper/220:58:562
477607993535,0cyclictest0-21swapper/220:51:472
477607993534,1cyclictest331irq_work/222:47:032
477606993530,4cyclictest833-21snmpd20:18:151
47761099340,33cyclictest0-21swapper/523:06:565
477607993433,1cyclictest331irq_work/220:45:152
477607993433,1cyclictest331irq_work/219:34:582
477607993433,1cyclictest331irq_work/200:00:272
477606993430,3cyclictest833-21snmpd00:12:131
477612993330,2cyclictest833-21snmpd22:53:357
477612993330,2cyclictest509593-21cat20:15:187
47761299330,30cyclictest0-21swapper/723:58:047
47761199330,32cyclictest0-21swapper/620:39:226
47761199330,30cyclictest0-21swapper/620:32:436
477610993330,2cyclictest545262-21cat21:30:195
47761099330,32cyclictest0-21swapper/522:00:515
47761099330,32cyclictest0-21swapper/519:56:365
47761099330,30cyclictest0-21swapper/520:04:425
477608993330,2cyclictest833-21snmpd23:50:193
477608993330,2cyclictest833-21snmpd21:00:383
477608993330,2cyclictest630419-21cat00:30:163
477608993329,3cyclictest0-21swapper/319:37:353
477607993333,0cyclictest0-21swapper/200:35:112
477607993332,1cyclictest331irq_work/222:51:042
477606993330,2cyclictest833-21snmpd22:23:211
477606993330,2cyclictest833-21snmpd22:23:211
477606993330,2cyclictest833-21snmpd22:03:271
477606993330,2cyclictest833-21snmpd21:03:371
477606993330,2cyclictest833-21snmpd20:10:541
477606993330,2cyclictest833-21snmpd19:56:241
477606993329,3cyclictest833-21snmpd23:38:061
477606993329,3cyclictest833-21snmpd19:23:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional