You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-10-29 - 04:20

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 #0, slot #5

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 rack0slot5s.osadl.org (updated Wed Oct 29, 2025 00:47:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18980812381374,5sleep100-21swapper/1019:06:382
18982432364311,17sleep50-21swapper/519:08:5811
18981842363311,44sleep40-21swapper/419:08:0810
18982742361306,18sleep20-21swapper/219:09:278
18981072354303,41sleep10-21swapper/119:07:001
18979762352323,20sleep60-21swapper/619:05:2912
18980392345318,18sleep70-21swapper/719:06:0313
18982822342284,18sleep80-21swapper/819:09:3214
18981712342315,18sleep90-21swapper/919:07:5715
18982942341314,18sleep30-21swapper/319:09:449
18982862341314,18sleep120-21swapper/1219:09:374
18981202340312,19sleep140-21swapper/1419:07:136
18980822339312,18sleep110-21swapper/1119:06:393
18980492338310,19sleep150-21swapper/1519:06:117
18980092337311,18sleep00-21swapper/019:05:380
18981562335308,18sleep130-21swapper/1319:07:445
189867699445,25cyclictest0-21swapper/621:30:1112
189867699391,38cyclictest0-21swapper/619:18:2312
189867699390,25cyclictest0-21swapper/600:14:5612
189867699390,25cyclictest0-21swapper/600:14:5512
189867699371,11cyclictest0-21swapper/623:09:0212
189867699360,25cyclictest0-21swapper/600:03:5712
189867699360,25cyclictest0-21swapper/600:03:5612
189867699338,25cyclictest0-21swapper/621:41:1112
1898711993226,5cyclictest4152971-21snmpd21:11:086
189871199320,1cyclictest0-21swapper/1422:10:076
189871199320,1cyclictest0-21swapper/1422:10:076
189867699327,25cyclictest567-21plymouthd23:52:5812
189867699327,11cyclictest0-21swapper/622:58:0312
189867699327,11cyclictest0-21swapper/620:46:1612
189867699317,24cyclictest0-21swapper/622:36:0512
189867699317,24cyclictest0-21swapper/621:19:1212
189867699317,24cyclictest0-21swapper/620:24:1612
189867699317,11cyclictest0-21swapper/620:35:1712
189867699316,11cyclictest0-21swapper/622:47:0412
189867699316,11cyclictest0-21swapper/622:14:0812
189867699316,11cyclictest0-21swapper/622:14:0712
189867699316,11cyclictest0-21swapper/621:52:1012
189867699316,11cyclictest0-21swapper/621:08:1412
189867699316,11cyclictest0-21swapper/619:29:2212
189867699306,11cyclictest0-21swapper/623:31:0012
189867699306,11cyclictest0-21swapper/620:57:1512
189867699306,11cyclictest0-21swapper/620:13:1812
189867699306,11cyclictest0-21swapper/620:13:1812
189867699306,11cyclictest0-21swapper/600:36:5312
189867699306,11cyclictest0-21swapper/600:25:5412
189867699305,25cyclictest0-21swapper/619:51:1912
189867699305,11cyclictest0-21swapper/620:02:1812
1898676993010,14cyclictest2156989-21sed22:25:0612
1898662993027,2cyclictest4152971-21snmpd23:05:078
189871199290,29cyclictest0-21swapper/1423:05:416
1898693992922,7cyclictest4152971-21snmpd19:53:062
189869399290,29cyclictest0-21swapper/1019:32:172
189868399290,29cyclictest0-21swapper/820:39:4214
189868199295,14cyclictest0-21swapper/722:15:1913
1898653992926,3cyclictest4152971-21snmpd20:42:370
1898706992827,1cyclictest4152971-21snmpd22:24:575
189870699280,28cyclictest0-21swapper/1319:40:245
189870699280,27cyclictest0-21swapper/1319:45:245
189869799280,28cyclictest0-21swapper/1122:02:393
189869799280,28cyclictest0-21swapper/1122:02:383
189869799280,28cyclictest0-21swapper/1120:34:153
189869799280,1cyclictest0-21swapper/1122:42:433
1898693992823,5cyclictest4152971-21snmpd23:12:462
1898686992827,1cyclictest4152971-21snmpd23:29:5415
1898686992827,1cyclictest0-21swapper/919:17:5215
1898686992826,2cyclictest4152971-21snmpd21:39:3315
189868699280,28cyclictest0-21swapper/923:14:2215
1898681992826,1cyclictest4152971-21snmpd20:57:4313
189868199280,22cyclictest0-21swapper/719:16:0213
1898673992825,2cyclictest1243428-21CPU11
189867199280,28cyclictest0-21swapper/419:36:4610
1898666992827,1cyclictest4152971-21snmpd21:43:059
189866699280,28cyclictest0-21swapper/322:46:349
189866299280,28cyclictest0-21swapper/221:16:178
1898656992827,1cyclictest4152971-21snmpd20:23:341
189865699280,28cyclictest567-21plymouthd23:46:451
189865699280,28cyclictest0-21swapper/121:24:591
1898653992824,4cyclictest4152971-21snmpd22:45:470
1898715992726,1cyclictest4152971-21snmpd23:21:497
1898715992726,1cyclictest4152971-21snmpd21:12:597
189871599270,27cyclictest0-21swapper/1523:01:557
189871599270,27cyclictest0-21swapper/1520:56:027
189871599270,1cyclictest0-21swapper/1522:40:077
1898711992726,1cyclictest4152971-21snmpd19:54:396
1898711992725,1cyclictest4152971-21snmpd19:19:106
189871199270,27cyclictest0-21swapper/1423:32:056
189871199270,27cyclictest0-21swapper/1420:57:596
189871199270,27cyclictest0-21swapper/1400:18:016
189871199270,1cyclictest0-21swapper/1422:09:226
189871199270,1cyclictest0-21swapper/1422:09:216
1898706992726,1cyclictest4152971-21snmpd23:56:365
1898706992725,2cyclictest4152971-21snmpd20:46:095
189870699270,27cyclictest0-21swapper/1322:51:505
189870699270,27cyclictest0-21swapper/1321:44:335
189870699270,27cyclictest0-21swapper/1319:19:495
1898701992726,1cyclictest4152971-21snmpd22:44:294
1898701992726,1cyclictest4152971-21snmpd00:14:194
1898701992726,1cyclictest4152971-21snmpd00:14:194
1898697992726,1cyclictest4152971-21snmpd19:39:333
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional