You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-15 - 00:18

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 Jul 14, 2026 12:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2377169212294,23sleep40-21swapper/407:06:304
23772362116101,10sleep60-21swapper/607:07:286
2377315211398,10sleep00-21swapper/007:08:340
2377186211383,10sleep30-21swapper/307:06:453
2377141211298,9sleep50-21swapper/507:06:075
2377267211197,9sleep10-21swapper/107:07:551
2377335210792,10sleep20-21swapper/207:08:522
2377181210791,11sleep70-21swapper/707:06:417
2377651991030,100cyclictest0-21swapper/512:24:375
237763299103100,3cyclictest553-21snmpd07:37:060
2377660991020,101cyclictest0-21swapper/709:44:467
2377648991020,100cyclictest0-21swapper/411:55:154
237764399102100,2cyclictest553-21snmpd09:39:193
237763799102100,2cyclictest553-21snmpd12:15:251
2377632991020,100cyclictest0-21swapper/008:38:320
2377660991010,99cyclictest0-21swapper/711:37:537
2377660991010,101cyclictest0-21swapper/712:11:137
2377660991010,101cyclictest0-21swapper/710:19:117
23776569910199,2cyclictest2418912-21kworker/6:209:16:516
23776569910199,1cyclictest2418912-21kworker/6:209:10:116
237765699101100,1cyclictest2662015-21kworker/6:112:35:156
237765699101100,1cyclictest2650936-21kworker/6:012:21:436
237765699101100,1cyclictest2623151-21kworker/6:212:14:076
237765699101100,1cyclictest2623151-21kworker/6:211:55:456
237765699101100,1cyclictest2612068-21kworker/6:111:50:276
237765699101100,1cyclictest2612068-21kworker/6:111:46:416
237765699101100,1cyclictest2545531-21kworker/6:011:44:156
237765699101100,1cyclictest2545531-21kworker/6:011:22:516
237765699101100,1cyclictest2545531-21kworker/6:011:06:316
237765699101100,1cyclictest2545531-21kworker/6:010:45:116
237765699101100,1cyclictest2489375-21kworker/6:210:42:016
237765699101100,1cyclictest2489375-21kworker/6:210:37:336
237765699101100,1cyclictest2489375-21kworker/6:210:26:216
237765699101100,1cyclictest2489375-21kworker/6:210:21:596
237765699101100,1cyclictest2489375-21kworker/6:210:18:416
237765699101100,1cyclictest2489375-21kworker/6:210:10:216
237765699101100,1cyclictest2489375-21kworker/6:210:06:376
237765699101100,1cyclictest2489375-21kworker/6:210:02:126
237765699101100,1cyclictest2478305-21kworker/6:009:54:236
237765699101100,1cyclictest2478305-21kworker/6:009:49:256
237765699101100,1cyclictest2467184-21kworker/6:109:42:156
237765699101100,1cyclictest2418912-21kworker/6:209:31:536
237765699101100,1cyclictest2418912-21kworker/6:209:00:236
237765699101100,1cyclictest2418912-21kworker/6:209:00:236
237765699101100,1cyclictest2418912-21kworker/6:208:31:276
2377656991010,100cyclictest2439033-21diskmemload12:31:206
2377656991010,100cyclictest0-21swapper/609:06:516
23776519910199,2cyclictest553-21snmpd11:40:305
23776519910199,2cyclictest553-21snmpd10:21:005
23776519910199,2cyclictest553-21snmpd09:41:285
23776519910199,2cyclictest553-21snmpd08:58:055
23776519910199,2cyclictest553-21snmpd07:39:305
2377651991010,101cyclictest0-21swapper/509:57:235
2377651991010,100cyclictest0-21swapper/509:51:145
23776489910198,3cyclictest2381897-21cat07:15:154
2377648991010,99cyclictest0-21swapper/408:11:014
23776439910199,1cyclictest553-21snmpd09:19:513
23776439910197,2cyclictest553-21snmpd11:09:313
23776379910199,2cyclictest553-21snmpd10:11:141
2377637991010,100cyclictest0-21swapper/110:00:441
23776329910199,2cyclictest553-21snmpd09:10:150
2377632991010,100cyclictest0-21swapper/012:36:320
2377632991010,100cyclictest0-21swapper/011:17:080
2377632991010,0cyclictest0-21swapper/010:50:550
2377660991000,99cyclictest0-21swapper/712:19:527
2377660991000,99cyclictest0-21swapper/711:01:557
2377660991000,99cyclictest0-21swapper/709:30:347
2377660991000,100cyclictest0-21swapper/711:10:407
2377660991000,100cyclictest0-21swapper/710:34:277
2377660991000,100cyclictest0-21swapper/709:53:267
2377660991000,100cyclictest0-21swapper/709:27:377
2377660991000,100cyclictest0-21swapper/708:33:177
23776569910099,1cyclictest2650936-21kworker/6:012:25:116
23776569910099,1cyclictest2623151-21kworker/6:212:15:076
23776569910099,1cyclictest2623151-21kworker/6:212:05:396
23776569910099,1cyclictest2623151-21kworker/6:212:00:236
23776569910099,1cyclictest2545531-21kworker/6:011:35:196
23776569910099,1cyclictest2545531-21kworker/6:011:30:096
23776569910099,1cyclictest2545531-21kworker/6:011:25:136
23776569910099,1cyclictest2545531-21kworker/6:011:15:236
23776569910099,1cyclictest2545531-21kworker/6:011:10:096
23776569910099,1cyclictest2545531-21kworker/6:011:00:096
23776569910099,1cyclictest2545531-21kworker/6:010:55:476
23776569910099,1cyclictest2545531-21kworker/6:010:50:136
23776569910099,1cyclictest2489375-21kworker/6:210:30:356
23776569910099,1cyclictest2489375-21kworker/6:209:56:316
23776569910099,1cyclictest2467184-21kworker/6:109:35:036
23776569910099,1cyclictest2418912-21kworker/6:209:25:056
23776569910099,1cyclictest2418912-21kworker/6:209:20:016
23776569910099,1cyclictest2418912-21kworker/6:208:55:216
23776569910099,1cyclictest2418912-21kworker/6:208:50:156
23776569910099,1cyclictest2418912-21kworker/6:208:46:476
23776569910099,1cyclictest2418912-21kworker/6:208:40:216
23776569910099,1cyclictest2418912-21kworker/6:208:35:156
23776569910099,1cyclictest2401263-21kworker/6:108:25:136
23776569910099,1cyclictest2401263-21kworker/6:108:20:116
23776569910099,1cyclictest2401263-21kworker/6:108:15:176
23776569910099,1cyclictest2401263-21kworker/6:107:55:116
23776569910099,1cyclictest2366412-21kworker/6:207:45:136
23776569910099,1cyclictest2366412-21kworker/6:207:40:176
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional