You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-08 - 06:03

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 Mon Jun 08, 2026 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5844952116102,9sleep50-21swapper/519:05:445
5847592115100,10sleep00-21swapper/019:09:320
5846422115100,10sleep20-21swapper/219:07:502
584673211499,10sleep60-21swapper/619:08:186
584668211499,10sleep10-21swapper/119:08:131
584506211399,9sleep70-21swapper/719:05:547
584699211196,10sleep30-21swapper/319:08:393
584521210894,9sleep40-21swapper/419:06:074
585052991050,102cyclictest0-21swapper/622:24:126
585035991040,101cyclictest31-21ksoftirqd/221:38:312
58503599103102,1cyclictest31-21ksoftirqd/221:21:092
58503599102100,2cyclictest865412-21ssh00:25:372
585031991020,100cyclictest0-21swapper/100:10:241
5850279910299,3cyclictest553-21snmpd21:12:270
585027991020,0cyclictest0-21swapper/020:58:240
585057991010,100cyclictest0-21swapper/723:09:167
5850529910199,2cyclictest553-21snmpd23:03:256
5850529910199,2cyclictest553-21snmpd21:49:176
5850529910199,2cyclictest553-21snmpd19:59:226
5850529910199,2cyclictest553-21snmpd19:59:226
585052991010,100cyclictest0-21swapper/623:48:206
585052991010,100cyclictest0-21swapper/622:47:066
585052991010,0cyclictest0-21swapper/622:34:336
585048991010,100cyclictest0-21swapper/521:20:345
5850439910198,2cyclictest553-21snmpd20:30:444
585043991010,100cyclictest0-21swapper/421:13:034
585043991010,100cyclictest0-21swapper/400:31:234
5850409910199,2cyclictest553-21snmpd21:34:403
5850409910199,2cyclictest553-21snmpd21:06:123
5850409910199,1cyclictest553-21snmpd20:05:163
5850409910198,3cyclictest553-21snmpd21:24:373
5850359910199,2cyclictest553-21snmpd21:57:052
5850359910199,2cyclictest281irq_work/222:59:352
5850359910199,0cyclictest859932-21ssh00:20:422
5850359910199,0cyclictest859932-21ssh00:20:412
5850359910197,4cyclictest0-21swapper/222:11:012
585035991011,100cyclictest646048-21diskmemload00:31:552
58503599101101,0cyclictest31-21ksoftirqd/220:46:372
58503599101100,1cyclictest629750-21memory20:35:172
585035991010,99cyclictest551397-21kworker/2:019:50:152
585035991010,99cyclictest551397-21kworker/2:019:25:172
585035991010,100cyclictest0-21swapper/220:29:082
585035991010,0cyclictest0-21swapper/222:23:362
585031991010,100cyclictest0-21swapper/121:56:441
585031991010,100cyclictest0-21swapper/121:05:571
585031991010,100cyclictest0-21swapper/120:13:231
585031991010,100cyclictest0-21swapper/119:20:281
5850279910199,2cyclictest553-21snmpd23:36:560
5850279910199,2cyclictest553-21snmpd22:37:540
5850279910199,2cyclictest553-21snmpd21:04:540
585027991010,99cyclictest646048-21diskmemload23:21:280
585027991010,101cyclictest0-21swapper/021:54:170
585027991010,101cyclictest0-21swapper/019:49:250
585027991010,100cyclictest0-21swapper/020:30:590
585027991010,100cyclictest0-21swapper/000:01:420
585057991000,99cyclictest0-21swapper/719:11:077
585057991000,99cyclictest0-21swapper/700:29:427
585057991000,1cyclictest0-21swapper/722:26:557
585057991000,100cyclictest0-21swapper/721:24:527
585057991000,100cyclictest0-21swapper/720:11:327
585057991000,100cyclictest0-21swapper/719:42:587
5850529910099,1cyclictest553-21snmpd21:42:286
5850529910099,0cyclictest553-21snmpd00:02:126
5850529910098,2cyclictest553-21snmpd20:25:086
5850529910097,3cyclictest553-21snmpd00:13:216
585052991000,99cyclictest0-21swapper/622:51:546
585052991000,99cyclictest0-21swapper/621:52:176
5850489910099,1cyclictest553-21snmpd23:56:205
5850489910099,1cyclictest553-21snmpd23:52:535
5850489910099,1cyclictest553-21snmpd22:36:335
5850489910099,1cyclictest553-21snmpd20:49:095
5850489910099,1cyclictest553-21snmpd00:32:365
5850489910099,1cyclictest553-21snmpd00:17:365
5850489910099,1cyclictest553-21snmpd00:17:365
5850489910099,1cyclictest553-21snmpd00:04:455
5850489910098,2cyclictest553-21snmpd00:08:395
58504899100100,0cyclictest553-21snmpd19:57:075
58504899100100,0cyclictest553-21snmpd19:57:075
585048991000,99cyclictest0-21swapper/521:44:105
585048991000,1cyclictest0-21swapper/519:47:195
585048991000,100cyclictest0-21swapper/523:40:165
585048991000,100cyclictest0-21swapper/523:26:435
585048991000,100cyclictest0-21swapper/519:28:425
5850439910099,1cyclictest553-21snmpd23:23:194
5850439910099,1cyclictest553-21snmpd21:41:014
5850439910099,1cyclictest553-21snmpd21:25:464
5850439910099,1cyclictest553-21snmpd20:57:064
5850439910099,1cyclictest553-21snmpd19:56:494
5850439910099,1cyclictest553-21snmpd19:56:494
5850439910099,1cyclictest553-21snmpd19:49:494
5850439910099,1cyclictest553-21snmpd19:35:484
5850439910099,1cyclictest553-21snmpd00:10:334
585043991000,99cyclictest0-21swapper/420:22:204
585043991000,99cyclictest0-21swapper/400:23:364
585043991000,99cyclictest0-21swapper/400:23:364
585043991000,99cyclictest0-21swapper/400:01:214
5850409910099,1cyclictest553-21snmpd21:15:253
5850409910099,1cyclictest553-21snmpd19:32:063
5850409910099,1cyclictest553-21snmpd19:21:363
5850409910099,1cyclictest553-21snmpd19:18:573
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional