You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-12-01 - 20:54

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 #b, 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 rackbslot8s (updated Mon Dec 01, 2025 12:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21464232140126,9sleep60-21swapper/607:08:506
21464232140126,9sleep60-21swapper/607:08:496
21463702137128,6sleep00-21swapper/007:08:030
21463702137128,6sleep00-21swapper/007:08:030
21462342125110,10sleep30-21swapper/307:06:063
21462342125110,10sleep30-21swapper/307:06:053
21463652123109,9sleep40-21swapper/407:08:004
21463652123109,9sleep40-21swapper/407:07:594
21463952122108,9sleep70-21swapper/707:08:277
21463952122108,9sleep70-21swapper/707:08:267
21464892121107,9sleep50-21swapper/507:09:455
21464892121107,9sleep50-21swapper/507:09:455
21463062119104,10sleep10-21swapper/107:07:071
21463062119104,10sleep10-21swapper/107:07:071
21461952118103,10sleep20-21swapper/207:05:322
21461952118103,10sleep20-21swapper/207:05:322
214676799103100,2cyclictest3437785-21snmpd09:10:396
21467419910299,3cyclictest3437785-21snmpd12:12:290
21467709910199,2cyclictest0-21swapper/710:45:077
21467679910199,2cyclictest3437785-21snmpd11:53:336
214676799101100,1cyclictest0-21swapper/608:24:396
21467589910199,2cyclictest3437785-21snmpd12:32:034
21467589910199,2cyclictest3437785-21snmpd10:06:204
21467589910199,2cyclictest3437785-21snmpd09:10:254
2146758991010,100cyclictest0-21swapper/409:56:004
21467549910199,2cyclictest561-21ntpd11:26:253
21467549910199,2cyclictest3437785-21snmpd10:34:513
21467549910199,2cyclictest3437785-21snmpd10:04:173
21467509910199,2cyclictest3437785-21snmpd12:18:012
21467469910199,2cyclictest3437785-21snmpd07:33:301
2146746991010,100cyclictest0-21swapper/108:46:381
2146746991010,100cyclictest0-21swapper/107:11:201
21467419910198,3cyclictest3437785-21snmpd08:02:280
2146741991010,101cyclictest0-21swapper/012:25:430
2146741991010,101cyclictest0-21swapper/012:02:460
2146741991010,101cyclictest0-21swapper/008:38:420
21467679910099,1cyclictest3437785-21snmpd12:34:306
21467679910099,1cyclictest3437785-21snmpd11:15:276
21467679910099,1cyclictest3437785-21snmpd10:16:246
21467679910099,1cyclictest3437785-21snmpd10:14:306
21467679910099,1cyclictest3437785-21snmpd09:28:346
21467679910099,1cyclictest3437785-21snmpd07:15:596
21467679910098,2cyclictest3437785-21snmpd09:51:446
214676799100100,0cyclictest3437785-21snmpd07:25:176
2146767991000,99cyclictest0-21swapper/611:32:476
2146767991000,99cyclictest0-21swapper/611:32:476
2146767991000,99cyclictest0-21swapper/608:55:456
2146767991000,99cyclictest0-21swapper/608:44:176
2146767991000,99cyclictest0-21swapper/607:48:216
2146767991000,100cyclictest0-21swapper/609:40:166
2146767991000,100cyclictest0-21swapper/608:37:266
2146767991000,0cyclictest0-21swapper/611:45:396
21467629910099,1cyclictest561-21ntpd08:21:265
21467629910099,1cyclictest561-21ntpd08:16:255
21467629910099,1cyclictest3437785-21snmpd12:28:105
21467629910099,1cyclictest3437785-21snmpd11:15:485
21467629910099,1cyclictest3437785-21snmpd10:30:425
21467629910099,1cyclictest3437785-21snmpd09:59:235
21467629910099,1cyclictest3437785-21snmpd09:37:595
21467629910099,1cyclictest3437785-21snmpd08:13:105
21467629910099,1cyclictest3437785-21snmpd07:14:025
21467629910098,2cyclictest3437785-21snmpd09:47:195
2146762991000,99cyclictest0-21swapper/510:50:295
2146762991000,99cyclictest0-21swapper/510:41:335
2146762991000,99cyclictest0-21swapper/509:23:015
2146762991000,99cyclictest0-21swapper/507:37:395
2146762991000,100cyclictest0-21swapper/509:31:165
2146762991000,100cyclictest0-21swapper/508:43:385
21467589910099,1cyclictest3437785-21snmpd11:48:274
21467589910099,1cyclictest3437785-21snmpd11:38:074
21467589910099,1cyclictest3437785-21snmpd11:38:064
21467589910099,1cyclictest3437785-21snmpd10:25:514
21467589910099,1cyclictest3437785-21snmpd09:46:464
21467589910099,1cyclictest3437785-21snmpd09:24:314
21467589910099,1cyclictest3437785-21snmpd09:09:184
21467589910099,1cyclictest3437785-21snmpd08:47:004
21467589910099,1cyclictest3437785-21snmpd07:35:574
21467589910099,0cyclictest3437785-21snmpd10:32:004
21467589910098,2cyclictest3437785-21snmpd11:57:164
21467589910098,1cyclictest3437785-21snmpd08:12:194
2146758991000,99cyclictest0-21swapper/411:13:364
2146758991000,100cyclictest0-21swapper/412:10:494
2146758991000,100cyclictest0-21swapper/411:15:164
2146758991000,100cyclictest0-21swapper/410:53:314
2146758991000,100cyclictest0-21swapper/410:49:084
2146758991000,100cyclictest0-21swapper/408:33:474
21467549910099,1cyclictest3437785-21snmpd12:16:283
21467549910099,1cyclictest3437785-21snmpd09:16:543
21467549910099,1cyclictest3437785-21snmpd07:53:373
21467549910099,1cyclictest3437785-21snmpd07:20:063
21467549910099,1cyclictest3437785-21snmpd07:11:353
21467549910099,0cyclictest3437785-21snmpd10:55:553
21467549910098,2cyclictest3437785-21snmpd12:02:193
21467549910098,2cyclictest3437785-21snmpd11:54:183
21467509910099,1cyclictest3437785-21snmpd08:57:032
21467509910099,1cyclictest3437785-21snmpd08:04:072
21467509910099,1cyclictest0-21swapper/211:23:232
21467509910099,1cyclictest0-21swapper/210:40:582
21467509910098,2cyclictest3437785-21snmpd09:56:122
21467509910098,2cyclictest2342600-21cat11:30:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional