You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-15 - 17:57

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 May 15, 2026 12:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
35966992131117,9sleep00-21swapper/007:09:550
35965342123109,9sleep50-21swapper/507:07:365
35966712117102,10sleep10-21swapper/107:09:321
35963842116102,9sleep30-21swapper/307:05:253
3596645211096,9sleep20-21swapper/207:09:092
3596434211081,9sleep60-21swapper/607:06:096
3596426210894,9sleep70-21swapper/707:06:027
3596394210793,9sleep40-21swapper/407:05:344
35969559910399,4cyclictest553-21snmpd09:18:465
3596955991030,0cyclictest0-21swapper/510:08:035
3596958991020,101cyclictest0-21swapper/611:16:186
35969559910299,3cyclictest553-21snmpd11:44:525
35969559910299,3cyclictest553-21snmpd11:12:245
359695599102100,1cyclictest553-21snmpd12:39:095
359695099102100,1cyclictest605-21lldpd09:24:004
35969489910299,3cyclictest553-21snmpd09:42:113
359696399101100,1cyclictest0-21swapper/707:14:167
3596963991010,100cyclictest0-21swapper/708:51:137
35969589910199,2cyclictest553-21snmpd11:37:496
35969589910199,2cyclictest553-21snmpd09:26:116
35969589910198,3cyclictest553-21snmpd08:33:326
35969589910197,3cyclictest553-21snmpd12:05:536
3596958991010,101cyclictest0-21swapper/612:29:356
3596958991010,101cyclictest0-21swapper/611:56:076
3596958991010,101cyclictest0-21swapper/611:56:076
3596958991010,0cyclictest0-21swapper/610:12:456
35969559910198,3cyclictest553-21snmpd12:28:145
35969559910198,3cyclictest553-21snmpd10:28:465
3596955991010,100cyclictest0-21swapper/509:27:565
35969509910199,2cyclictest553-21snmpd10:36:044
35969509910199,2cyclictest0-21swapper/410:48:414
35969509910198,2cyclictest553-21snmpd11:43:164
3596950991010,99cyclictest0-21swapper/411:59:044
3596950991010,99cyclictest0-21swapper/411:59:044
35969489910199,2cyclictest553-21snmpd09:45:273
35969489910199,2cyclictest553-21snmpd08:37:493
35969489910199,2cyclictest553-21snmpd08:24:173
35969489910196,2cyclictest553-21snmpd09:36:203
35969449910199,1cyclictest553-21snmpd10:10:302
3596944991010,100cyclictest0-21swapper/209:22:442
3596939991010,100cyclictest0-21swapper/110:27:571
35969359910199,2cyclictest553-21snmpd10:47:410
35969359910199,2cyclictest553-21snmpd10:05:120
35969359910199,2cyclictest553-21snmpd07:25:100
35969359910199,1cyclictest605-21lldpd07:54:000
3596935991010,100cyclictest0-21swapper/012:36:210
3596935991010,100cyclictest0-21swapper/011:52:070
3596935991010,100cyclictest0-21swapper/011:52:070
3596935991010,100cyclictest0-21swapper/009:32:160
35969639910098,2cyclictest0-21swapper/710:05:307
3596963991000,99cyclictest0-21swapper/712:21:327
3596963991000,99cyclictest0-21swapper/710:26:407
3596963991000,99cyclictest0-21swapper/710:03:427
3596963991000,99cyclictest0-21swapper/709:29:177
3596963991000,99cyclictest0-21swapper/708:39:407
3596963991000,100cyclictest0-21swapper/712:27:177
3596963991000,100cyclictest0-21swapper/707:50:537
35969589910099,1cyclictest553-21snmpd12:19:236
35969589910099,1cyclictest553-21snmpd12:10:346
35969589910099,1cyclictest553-21snmpd11:50:076
35969589910099,1cyclictest553-21snmpd11:50:066
35969589910099,1cyclictest553-21snmpd10:25:196
35969589910099,1cyclictest553-21snmpd09:01:016
35969589910097,3cyclictest553-21snmpd09:24:046
3596958991000,99cyclictest0-21swapper/612:03:226
3596958991000,99cyclictest0-21swapper/610:34:046
3596958991000,99cyclictest0-21swapper/609:43:066
3596958991000,1cyclictest0-21swapper/612:30:456
3596958991000,100cyclictest0-21swapper/607:23:496
35969559910097,3cyclictest553-21snmpd08:07:485
3596955991000,99cyclictest0-21swapper/509:31:265
3596955991000,99cyclictest0-21swapper/508:34:495
3596955991000,99cyclictest0-21swapper/507:58:235
3596955991000,100cyclictest0-21swapper/510:56:595
3596955991000,100cyclictest0-21swapper/510:53:325
3596955991000,100cyclictest0-21swapper/509:03:585
3596955991000,100cyclictest0-21swapper/508:16:575
3596955991000,100cyclictest0-21swapper/508:11:035
35969509910098,2cyclictest553-21snmpd09:10:234
3596950991000,99cyclictest0-21swapper/412:24:114
3596950991000,99cyclictest0-21swapper/410:40:434
3596950991000,99cyclictest0-21swapper/409:56:124
3596950991000,99cyclictest0-21swapper/409:51:364
3596950991000,99cyclictest0-21swapper/409:35:144
3596950991000,99cyclictest0-21swapper/409:05:044
3596950991000,99cyclictest0-21swapper/408:49:524
3596950991000,99cyclictest0-21swapper/407:59:464
35969489910099,1cyclictest553-21snmpd10:56:263
35969489910099,1cyclictest553-21snmpd10:11:303
35969489910098,2cyclictest553-21snmpd09:22:293
35969489910096,2cyclictest553-21snmpd08:43:103
35969489910096,1cyclictest553-21snmpd08:48:313
35969449910099,1cyclictest553-21snmpd12:29:322
35969449910099,1cyclictest553-21snmpd11:56:282
35969449910099,1cyclictest553-21snmpd11:56:282
35969449910099,1cyclictest553-21snmpd09:55:392
35969449910099,1cyclictest553-21snmpd09:37:022
3596944991000,99cyclictest0-21swapper/208:05:002
3596944991000,100cyclictest0-21swapper/209:28:322
35969399910099,1cyclictest553-21snmpd11:53:431
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional