You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-10 - 08:11

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 Tue Mar 10, 2026 00:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5368822118104,9sleep70-21swapper/719:09:557
5366372118104,9sleep40-21swapper/419:06:244
5347702117103,9sleep30-21swapper/319:05:023
5367422115100,9sleep60-21swapper/619:07:546
5366552115101,9sleep20-21swapper/219:06:372
536880211499,10sleep50-21swapper/519:09:545
536783211399,9sleep00-21swapper/019:08:270
537130991030,103cyclictest0-21swapper/423:16:184
53711499103100,3cyclictest553-21snmpd23:12:510
53711499103100,3cyclictest553-21snmpd22:02:220
537142991020,100cyclictest0-21swapper/723:47:587
537138991020,0cyclictest0-21swapper/619:15:396
537130991020,99cyclictest0-21swapper/423:40:224
537130991020,99cyclictest0-21swapper/423:40:224
537130991020,100cyclictest0-21swapper/423:55:504
5371239910299,3cyclictest553-21snmpd22:03:162
537123991020,102cyclictest0-21swapper/223:55:142
537119991020,100cyclictest0-21swapper/123:20:141
537119991020,100cyclictest0-21swapper/120:32:391
53711499102100,2cyclictest553-21snmpd22:54:150
537114991020,102cyclictest0-21swapper/020:55:140
536587210288,9sleep10-21swapper/119:05:401
537142991010,101cyclictest0-21swapper/720:52:077
5371389910199,2cyclictest553-21snmpd23:59:096
5371389910196,2cyclictest553-21snmpd23:03:246
537138991010,101cyclictest0-21swapper/623:28:576
537138991010,101cyclictest0-21swapper/623:13:106
5371349910199,2cyclictest553-21snmpd21:16:065
5371349910199,2cyclictest553-21snmpd21:10:055
5371349910198,2cyclictest553-21snmpd22:01:035
537134991010,100cyclictest0-21swapper/523:25:455
537134991010,100cyclictest0-21swapper/522:14:565
5371309910199,2cyclictest553-21snmpd00:16:574
5371309910198,3cyclictest553-21snmpd00:09:444
5371289910199,2cyclictest553-21snmpd00:04:413
5371239910199,2cyclictest553-21snmpd22:07:432
5371239910198,3cyclictest553-21snmpd22:42:382
537123991010,99cyclictest0-21swapper/223:24:302
537123991010,100cyclictest0-21swapper/221:26:322
537123991010,0cyclictest0-21swapper/223:54:262
5371199910198,3cyclictest553-21snmpd00:03:231
537119991010,101cyclictest0-21swapper/120:16:031
5371149910199,2cyclictest553-21snmpd23:05:270
5371149910199,2cyclictest553-21snmpd21:43:270
5371149910199,2cyclictest553-21snmpd21:02:290
5371149910198,2cyclictest553-21snmpd21:18:050
5371149910197,4cyclictest553-21snmpd21:50:310
537114991010,100cyclictest0-21swapper/023:30:100
537114991010,100cyclictest0-21swapper/020:52:430
537114991010,100cyclictest0-21swapper/019:20:430
537114991010,0cyclictest0-21swapper/022:31:590
537114991010,0cyclictest0-21swapper/019:16:340
537142991000,99cyclictest0-21swapper/723:25:007
537142991000,99cyclictest0-21swapper/722:25:327
537142991000,99cyclictest0-21swapper/722:16:347
537142991000,99cyclictest0-21swapper/721:44:317
537142991000,99cyclictest0-21swapper/720:14:597
537142991000,100cyclictest0-21swapper/720:16:507
537142991000,100cyclictest0-21swapper/719:40:527
537142991000,100cyclictest0-21swapper/700:26:287
5371389910099,1cyclictest553-21snmpd20:29:166
5371389910099,1cyclictest553-21snmpd00:38:516
5371389910098,1cyclictest553-21snmpd21:56:126
5371389910096,2cyclictest553-21snmpd19:55:156
5371389910096,1cyclictest553-21snmpd23:08:216
537138991000,100cyclictest0-21swapper/623:54:016
537138991000,100cyclictest0-21swapper/600:20:156
5371349910099,1cyclictest553-21snmpd22:59:115
5371349910098,2cyclictest553-21snmpd22:16:265
5371349910098,2cyclictest553-21snmpd00:16:515
537134991000,99cyclictest0-21swapper/522:52:295
537134991000,1cyclictest0-21swapper/523:44:135
537134991000,1cyclictest0-21swapper/523:44:135
537134991000,100cyclictest0-21swapper/522:45:545
537134991000,100cyclictest0-21swapper/521:56:455
537134991000,100cyclictest0-21swapper/520:44:065
537134991000,100cyclictest0-21swapper/500:33:125
537134991000,0cyclictest0-21swapper/520:22:225
5371309910099,0cyclictest553-21snmpd20:51:294
537130991000,99cyclictest0-21swapper/421:15:434
537130991000,99cyclictest0-21swapper/419:57:534
537130991000,99cyclictest0-21swapper/400:13:114
537130991000,100cyclictest0-21swapper/423:21:274
537130991000,100cyclictest0-21swapper/420:59:464
537130991000,100cyclictest0-21swapper/400:26:394
5371289910099,1cyclictest553-21snmpd22:10:203
5371289910099,1cyclictest553-21snmpd20:12:053
5371289910099,1cyclictest553-21snmpd19:38:073
5371289910099,1cyclictest553-21snmpd00:07:533
5371289910098,2cyclictest553-21snmpd23:27:033
5371289910098,2cyclictest553-21snmpd00:26:333
5371239910099,1cyclictest553-21snmpd23:13:332
5371239910099,1cyclictest553-21snmpd22:23:462
5371239910099,1cyclictest553-21snmpd21:33:122
5371239910098,2cyclictest553-21snmpd23:29:332
5371239910098,2cyclictest553-21snmpd22:12:582
5371239910098,2cyclictest553-21snmpd20:09:172
5371239910097,3cyclictest553-21snmpd22:55:412
5371239910097,3cyclictest553-21snmpd22:17:462
537123991000,99cyclictest0-21swapper/221:03:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional