You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-28 - 19:55

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 Fri Nov 28, 2025 12:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9212952139122,13sleep70-21swapper/707:07:387
9213072128113,10sleep10-21swapper/107:07:481
921402212696,10sleep30-21swapper/307:09:093
9213102126111,10sleep40-21swapper/407:07:504
9211962124108,10sleep20-21swapper/207:06:112
9213682122108,9sleep60-21swapper/607:08:406
9213672121107,9sleep50-21swapper/507:08:395
9193482118103,10sleep00-21swapper/007:05:060
9217129910420,0cyclictest882177-21kworker/3:207:24:093
9217129910319,84cyclictest1007187-21kworker/3:011:30:553
9217129910319,84cyclictest1007187-21kworker/3:010:04:533
9216989910399,3cyclictest3437785-21snmpd11:52:370
921698991030,100cyclictest0-21swapper/011:38:590
9217129910220,82cyclictest1007187-21kworker/3:010:25:313
9217129910219,0cyclictest1007187-21kworker/3:010:53:573
9217129910218,84cyclictest1007187-21kworker/3:012:31:213
9217129910218,84cyclictest1007187-21kworker/3:012:23:333
9217129910218,84cyclictest1007187-21kworker/3:011:59:233
9217129910218,84cyclictest1007187-21kworker/3:011:26:403
9217129910218,0cyclictest1007187-21kworker/3:011:50:523
9217129910216,0cyclictest882177-21kworker/3:207:36:583
921723991010,100cyclictest0-21swapper/611:50:156
9217199910199,1cyclictest3437785-21snmpd11:00:585
9217199910198,3cyclictest3437785-21snmpd11:44:225
921719991010,99cyclictest0-21swapper/508:10:055
921719991010,101cyclictest0-21swapper/508:00:095
921719991010,101cyclictest0-21swapper/507:59:005
921716991010,100cyclictest0-21swapper/411:35:154
921716991010,100cyclictest0-21swapper/410:05:204
9217129910117,84cyclictest882177-21kworker/3:208:30:183
9217129910117,84cyclictest1007187-21kworker/3:011:45:103
9217129910117,84cyclictest1007187-21kworker/3:010:57:303
9217129910117,1cyclictest882177-21kworker/3:208:50:563
9217129910116,84cyclictest882177-21kworker/3:208:06:523
9217129910116,84cyclictest1007187-21kworker/3:011:43:023
9217079910198,2cyclictest3437785-21snmpd12:32:512
921707991010,100cyclictest0-21swapper/207:21:172
92170399101100,1cyclictest3437785-21snmpd08:18:431
921703991010,100cyclictest0-21swapper/110:00:381
921698991010,99cyclictest0-21swapper/011:41:590
921698991010,101cyclictest0-21swapper/011:21:450
921698991010,101cyclictest0-21swapper/010:08:500
921698991010,100cyclictest0-21swapper/009:39:110
921698991010,100cyclictest0-21swapper/007:21:470
921698991010,0cyclictest0-21swapper/010:18:500
921726991000,99cyclictest0-21swapper/710:22:127
921726991000,99cyclictest0-21swapper/707:47:017
921726991000,100cyclictest0-21swapper/707:23:307
921726991000,0cyclictest0-21swapper/710:19:157
921726991000,0cyclictest0-21swapper/708:47:417
9217239910099,1cyclictest3437785-21snmpd10:56:396
9217239910099,1cyclictest3437785-21snmpd10:17:096
9217239910099,1cyclictest3437785-21snmpd07:57:306
9217239910099,1cyclictest1135714-21cat11:55:146
921723991000,99cyclictest0-21swapper/608:08:416
921723991000,100cyclictest0-21swapper/612:24:036
921723991000,100cyclictest0-21swapper/612:01:336
9217199910099,1cyclictest3437785-21snmpd10:41:095
9217199910097,3cyclictest3437785-21snmpd11:16:155
921719991000,100cyclictest0-21swapper/512:04:085
921719991000,100cyclictest0-21swapper/508:06:475
9217169910099,1cyclictest3437785-21snmpd11:24:084
9217169910099,1cyclictest3437785-21snmpd10:48:064
9217169910099,1cyclictest3437785-21snmpd10:02:494
9217169910099,1cyclictest3437785-21snmpd09:00:364
9217169910099,1cyclictest3437785-21snmpd08:44:384
9217169910099,1cyclictest3437785-21snmpd08:44:384
9217169910098,2cyclictest3437785-21snmpd12:28:204
9217169910098,2cyclictest3437785-21snmpd11:57:324
9217169910098,2cyclictest3437785-21snmpd11:31:194
9217169910098,2cyclictest3437785-21snmpd07:22:244
921716991000,99cyclictest0-21swapper/411:08:194
921716991000,99cyclictest0-21swapper/410:16:424
921716991000,99cyclictest0-21swapper/407:18:574
921716991000,100cyclictest0-21swapper/412:35:034
921716991000,100cyclictest0-21swapper/410:40:184
921716991000,100cyclictest0-21swapper/409:41:564
9217129910099,1cyclictest3437785-21snmpd12:16:393
9217129910099,1cyclictest3437785-21snmpd09:27:063
9217129910017,0cyclictest882177-21kworker/3:208:04:003
9217129910016,84cyclictest1007187-21kworker/3:010:31:543
9217129910016,83cyclictest882177-21kworker/3:208:38:083
9217129910016,83cyclictest882177-21kworker/3:207:52:373
9217129910016,0cyclictest882177-21kworker/3:209:06:333
9217129910016,0cyclictest882177-21kworker/3:208:47:223
9217129910016,0cyclictest882177-21kworker/3:207:29:513
9217079910099,1cyclictest3437785-21snmpd12:01:232
9217079910099,1cyclictest3437785-21snmpd11:32:462
9217079910099,1cyclictest3437785-21snmpd11:23:082
9217079910099,1cyclictest3437785-21snmpd11:12:332
9217079910099,1cyclictest3437785-21snmpd10:58:252
9217079910099,1cyclictest3437785-21snmpd08:41:022
9217079910099,1cyclictest3437785-21snmpd08:41:022
9217079910099,1cyclictest3437785-21snmpd08:32:112
9217079910099,1cyclictest3437785-21snmpd08:14:282
9217079910099,1cyclictest3437785-21snmpd07:39:342
9217079910099,1cyclictest1086598-21cat11:00:152
9217079910099,1cyclictest0-21swapper/212:24:172
921707991000,99cyclictest0-21swapper/212:35:552
921707991000,99cyclictest0-21swapper/212:07:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional