You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-10-13 - 10:21

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 #c, slot #8

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.
Unexpectedly long latencies may be caused by SMIs
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 rackcslot8s.osadl.org (updated Sun Oct 13, 2024 00:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
258542710,2sleep125-21ksoftirqd/119:25:131
1734226250,7sleep70-21swapper/719:06:377
132091610,14ptp4l0-21swapper/619:05:186
79202590,0sleep20-21swapper/221:50:192
284862580,0sleep125-21ksoftirqd/100:27:431
1569325746,6sleep30-21swapper/319:05:043
1758425432,7sleep00-21swapper/019:09:430
132091540,6ptp4l0-21swapper/219:08:202
1733625240,7sleep10-21swapper/119:06:311
132091460,1ptp4l0-21swapper/519:05:165
1732024533,7sleep40-21swapper/419:06:264
132091360,0ptp4l0-21swapper/522:33:515
132091330,1ptp4l25282-21runrttasks22:14:444
132091330,1ptp4l25282-21runrttasks22:14:444
132091320,0ptp4l0-21swapper/400:34:544
132091310,0ptp4l0-21swapper/123:49:391
132091300,2ptp4l0-21swapper/521:58:205
132091300,0ptp4l0-21swapper/522:23:575
132091300,0ptp4l0-21swapper/522:15:295
132091300,0ptp4l0-21swapper/423:35:544
132091300,0ptp4l0-21swapper/400:09:374
132091300,0ptp4l0-21swapper/121:23:201
132091300,0ptp4l0-21swapper/100:17:221
132091300,0ptp4l0-21swapper/023:52:480
132091300,0ptp4l0-21swapper/000:03:200
132091290,0ptp4l0-21swapper/521:50:565
132091290,0ptp4l0-21swapper/521:24:295
132091290,0ptp4l0-21swapper/423:02:294
132091290,0ptp4l0-21swapper/422:47:284
132091290,0ptp4l0-21swapper/422:44:274
132091290,0ptp4l0-21swapper/421:47:164
132091290,0ptp4l0-21swapper/123:19:521
132091290,0ptp4l0-21swapper/121:15:141
132091280,2ptp4l0-21swapper/500:03:045
132091280,0ptp4l0-21swapper/523:15:115
132091280,0ptp4l0-21swapper/522:57:345
132091280,0ptp4l0-21swapper/522:40:495
132091280,0ptp4l0-21swapper/522:13:385
132091280,0ptp4l0-21swapper/522:13:385
132091280,0ptp4l0-21swapper/421:40:244
132091280,0ptp4l0-21swapper/421:25:084
132091280,0ptp4l0-21swapper/123:21:111
132091280,0ptp4l0-21swapper/123:04:461
132091280,0ptp4l0-21swapper/121:56:411
132091280,0ptp4l0-21swapper/100:32:121
132091280,0ptp4l0-21swapper/023:48:250
132091280,0ptp4l0-21swapper/023:17:100
132091280,0ptp4l0-21swapper/021:36:320
132091280,0ptp4l0-21swapper/000:06:470
132091270,3ptp4l0-21swapper/400:35:444
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional