You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-24 - 06:32

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 #7

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 rackcslot7s.osadl.org (updated Fri Apr 24, 2026 00:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
386287721140,13sleep126-21ksoftirqd/121:20:141
389090921040,3sleep342-21ksoftirqd/322:40:163
381473728253,21sleep00-21swapper/019:05:150
381563427938,14sleep20-21swapper/219:07:472
381570726343,14sleep10-21swapper/119:08:431
381490026142,12sleep30-21swapper/319:05:183
38290232400,1sleep20-21swapper/219:45:122
38184862380,2sleep20-21swapper/219:15:122
38890562350,2sleep23056-21PK-Backend22:35:142
38890562350,2sleep23056-21PK-Backend22:35:142
3815950992621,3cyclictest3833697-21dump-pmu-power20:00:000
139099240,18rtkit-daemon3056-21PK-Backend00:35:161
39070262230,8sleep234-21ksoftirqd/223:25:182
3815958992220,1cyclictest0-21swapper/223:48:542
3815958992220,1cyclictest0-21swapper/223:20:082
3815958992220,1cyclictest0-21swapper/221:34:512
3815958992214,6cyclictest3930404-21sshd00:32:242
3815958992214,6cyclictest3930404-21sshd00:32:242
3815950992220,1cyclictest0-21swapper/023:55:580
3815950992220,1cyclictest0-21swapper/023:28:200
3815950992220,1cyclictest0-21swapper/022:58:530
3815950992219,2cyclictest3056-21PK-Backend00:30:190
3815950992219,2cyclictest3056-21PK-Backend00:30:190
3815950992213,7cyclictest3873889-21ntp_states21:50:200
3815950992211,3cyclictest3825035-21cron19:34:590
381595099220,21cyclictest0-21swapper/000:04:370
39221692210,2sleep20-21swapper/200:10:012
38506122210,11sleep234-21ksoftirqd/220:45:222
3815963992118,2cyclictest0-21swapper/319:15:193
3815963992113,6cyclictest3837163-21cron20:10:013
381596399210,20cyclictest0-21swapper/319:29:193
381596399210,19cyclictest3056-21PK-Backend20:37:273
3815958992119,1cyclictest0-21swapper/223:43:202
3815958992119,1cyclictest0-21swapper/223:39:012
3815958992119,1cyclictest0-21swapper/223:39:012
3815958992119,1cyclictest0-21swapper/223:11:572
3815958992119,1cyclictest0-21swapper/223:07:512
3815958992119,1cyclictest0-21swapper/223:00:412
3815958992119,1cyclictest0-21swapper/221:19:222
3815958992119,1cyclictest0-21swapper/221:11:452
3815958992119,1cyclictest0-21swapper/221:08:212
3815958992119,1cyclictest0-21swapper/220:34:542
3815958992119,1cyclictest0-21swapper/220:22:102
3815958992119,1cyclictest0-21swapper/220:12:032
3815958992119,1cyclictest0-21swapper/220:06:352
3815958992119,1cyclictest0-21swapper/219:20:402
3815958992119,1cyclictest0-21swapper/200:02:192
3815958992118,2cyclictest0-21swapper/222:07:552
3815958992114,5cyclictest3925418-21cron00:20:002
381595899210,20cyclictest0-21swapper/223:34:412
3815955992118,2cyclictest3056-21PK-Backend19:54:291
3815955992113,6cyclictest3905310-21ntp_kernel_err23:20:171
381595599210,20cyclictest0-21swapper/100:11:571
381595599210,1cyclictest3056-21PK-Backend21:56:441
381595599210,19cyclictest3056-21PK-Backend21:50:431
381595599210,19cyclictest3056-21PK-Backend21:25:481
381595599210,19cyclictest3056-21PK-Backend19:21:441
3815950992119,1cyclictest0-21swapper/023:53:420
3815950992119,1cyclictest0-21swapper/023:15:160
3815950992119,1cyclictest0-21swapper/023:13:140
3815950992119,1cyclictest0-21swapper/023:09:070
3815950992119,1cyclictest0-21swapper/022:46:360
3815950992119,1cyclictest0-21swapper/022:42:320
3815950992119,1cyclictest0-21swapper/022:06:480
3815950992119,1cyclictest0-21swapper/021:44:240
3815950992119,1cyclictest0-21swapper/021:35:460
3815950992119,1cyclictest0-21swapper/021:35:460
3815950992119,1cyclictest0-21swapper/021:27:550
3815950992119,1cyclictest0-21swapper/021:16:530
3815950992119,1cyclictest0-21swapper/021:12:400
3815950992119,1cyclictest0-21swapper/020:57:140
3815950992119,1cyclictest0-21swapper/020:44:080
3815950992119,1cyclictest0-21swapper/020:44:080
3815950992119,1cyclictest0-21swapper/020:36:310
3815950992119,1cyclictest0-21swapper/019:46:350
3815950992119,1cyclictest0-21swapper/019:28:580
3815950992119,1cyclictest0-21swapper/019:20:530
3815950992119,1cyclictest0-21swapper/000:36:410
3815950992119,1cyclictest0-21swapper/000:18:360
3815950992113,6cyclictest3925748-21awk00:20:120
381595099210,20cyclictest3856488-21apt-get21:05:030
381595099210,20cyclictest0-21swapper/022:30:410
381595099210,20cyclictest0-21swapper/022:18:460
381595099210,20cyclictest0-21swapper/021:30:320
381595099210,20cyclictest0-21swapper/020:30:300
381595099210,20cyclictest0-21swapper/019:16:210
381595099210,20cyclictest0-21swapper/000:11:130
139099210,14rtkit-daemon3056-21PK-Backend21:20:052
139099210,14rtkit-daemon0-21swapper/200:11:282
3815963992018,1cyclictest3056-21PK-Backend22:17:573
3815963992018,1cyclictest0-21swapper/321:29:243
3815963992017,2cyclictest3056-21PK-Backend22:27:513
3815963992015,4cyclictest3824512-21find19:30:203
3815963992013,5cyclictest3924674-21awk00:15:163
3815963992013,4cyclictest3863350-21python321:20:203
381596399201,18cyclictest3918857-21df_inode00:00:133
381596399201,16cyclictest3841773-21python320:20:213
381596399200,19cyclictest3056-21PK-Backend23:18:213
381596399200,19cyclictest3056-21PK-Backend22:46:573
381596399200,19cyclictest3056-21PK-Backend22:14:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional