You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-29 - 07:53

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 100 highest latencies:
System rackcslot8s.osadl.org (updated Mon Dec 29, 2025 00:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
92752940,0sleep60-21swapper/621:21:226
739926543,7sleep70-21swapper/719:06:537
111391620,28ptp4l0-21swapper/019:08:370
111391610,30ptp4l0-21swapper/119:08:461
307352600,0sleep530736-21ksmtuned21:06:325
111391600,5ptp4l0-21swapper/519:08:555
258972590,1sleep7721ktimersoftd/700:30:207
763725747,6sleep40-21swapper/419:09:554
41322570,0sleep5561ktimersoftd/500:02:555
316852570,0sleep20-21swapper/221:10:132
1881915735,7phc2sys0-21swapper/319:08:583
742325139,7sleep20-21swapper/219:07:122
755724736,6sleep60-21swapper/619:08:526
111391350,1ptp4l1061-21snmpd19:35:204
111391330,0ptp4l0-21swapper/422:24:264
111391330,0ptp4l0-21swapper/422:24:254
111391320,1ptp4l6168-21/usr/sbin/munin20:15:184
111391320,1ptp4l15766-21cat22:55:000
111391320,0ptp4l0-21swapper/122:16:001
111391310,0ptp4l0-21swapper/121:57:101
111391310,0ptp4l0-21swapper/119:20:171
111391310,0ptp4l0-21swapper/022:32:220
111391300,0ptp4l0-21swapper/622:07:496
111391300,0ptp4l0-21swapper/400:35:244
111391300,0ptp4l0-21swapper/400:13:164
111391300,0ptp4l0-21swapper/023:24:060
111391290,0ptp4l0-21swapper/423:58:434
111391290,0ptp4l0-21swapper/423:18:344
111391290,0ptp4l0-21swapper/423:05:174
111391290,0ptp4l0-21swapper/400:27:174
111391290,0ptp4l0-21swapper/323:31:433
111391290,0ptp4l0-21swapper/322:50:183
111391290,0ptp4l0-21swapper/120:30:121
111391290,0ptp4l0-21swapper/023:05:470
111391290,0ptp4l0-21swapper/021:52:280
111391290,0ptp4l0-21swapper/021:41:360
111391290,0ptp4l0-21swapper/021:14:390
111391280,0ptp4l31016-21diskmemload23:01:560
111391280,0ptp4l0-21swapper/523:20:155
111391280,0ptp4l0-21swapper/521:39:285
111391280,0ptp4l0-21swapper/422:56:264
111391280,0ptp4l0-21swapper/421:50:054
111391280,0ptp4l0-21swapper/400:15:074
111391280,0ptp4l0-21swapper/123:42:181
111391280,0ptp4l0-21swapper/023:17:480
111391280,0ptp4l0-21swapper/000:33:060
111391270,2ptp4l0-21swapper/422:13:194
111391270,2ptp4l0-21swapper/122:02:061
111391270,0ptp4l0-21swapper/623:37:086
111391270,0ptp4l0-21swapper/422:43:574
111391270,0ptp4l0-21swapper/422:37:154
111391270,0ptp4l0-21swapper/422:29:504
111391270,0ptp4l0-21swapper/400:32:034
111391270,0ptp4l0-21swapper/400:04:074
111391270,0ptp4l0-21swapper/123:10:471
111391270,0ptp4l0-21swapper/121:20:201
111391270,0ptp4l0-21swapper/022:47:180
111391260,3ptp4l0-21swapper/023:43:090
111391260,0ptp4l0-21swapper/620:15:166
111391260,0ptp4l0-21swapper/521:20:125
111391260,0ptp4l0-21swapper/423:37:394
111391260,0ptp4l0-21swapper/422:48:384
111391260,0ptp4l0-21swapper/422:15:064
111391260,0ptp4l0-21swapper/421:48:284
111391260,0ptp4l0-21swapper/421:29:324
111391260,0ptp4l0-21swapper/421:12:464
111391260,0ptp4l0-21swapper/121:18:571
111391260,0ptp4l0-21swapper/121:01:321
111391260,0ptp4l0-21swapper/100:00:121
111391260,0ptp4l0-21swapper/021:36:110
111391260,0ptp4l0-21swapper/019:55:200
111391260,0ptp4l0-21swapper/000:16:570
111391250,2ptp4l0-21swapper/123:38:411
111391250,2ptp4l0-21swapper/022:58:110
111391250,1ptp4l4657-21/usr/sbin/munin20:10:184
111391250,0ptp4l0-21swapper/722:50:157
111391250,0ptp4l0-21swapper/622:35:356
111391250,0ptp4l0-21swapper/620:50:126
111391250,0ptp4l0-21swapper/520:30:005
111391250,0ptp4l0-21swapper/520:05:225
111391250,0ptp4l0-21swapper/519:35:175
111391250,0ptp4l0-21swapper/519:15:225
111391250,0ptp4l0-21swapper/423:00:534
111391250,0ptp4l0-21swapper/421:55:204
111391250,0ptp4l0-21swapper/420:35:144
111391250,0ptp4l0-21swapper/419:31:434
111391250,0ptp4l0-21swapper/123:59:201
111391250,0ptp4l0-21swapper/123:07:591
111391250,0ptp4l0-21swapper/123:04:051
111391250,0ptp4l0-21swapper/023:53:370
111391250,0ptp4l0-21swapper/021:27:370
111391250,0ptp4l0-21swapper/021:22:250
111391250,0ptp4l0-21swapper/021:05:000
111391250,0ptp4l0-21swapper/020:03:320
111391250,0ptp4l0-21swapper/000:40:000
111391250,0ptp4l0-21swapper/000:23:190
111391250,0ptp4l0-21swapper/000:10:480
111391240,3ptp4l241ktimersoftd/100:21:081
111391240,2ptp4l0-21swapper/423:33:434
111391240,2ptp4l0-21swapper/000:09:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional