You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-10-30 - 19:16

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 #7, slot #3

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.

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 rack7slot3s.osadl.org (updated Thu Oct 30, 2025 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1839921940,5sleep10-21swapper/107:05:511
1952299861,39cyclictest0-21swapper/009:00:360
233392820,6sleep21952499cyclictest12:05:412
1952299731,39cyclictest0-21swapper/007:50:380
1952299731,33cyclictest0-21swapper/012:35:390
76542720,2sleep17623-21ssh12:25:531
20082710,2sleep10-21swapper/110:50:121
1952499716,48cyclictest8050irq/56-dwc_otg_07:30:532
1952499702,50cyclictest0-21swapper/211:25:402
1952499702,50cyclictest0-21swapper/211:25:402
1952299701,50cyclictest24373-21sed07:21:000
100042700,1sleep10-21swapper/109:26:381
100042700,1sleep10-21swapper/109:26:381
1952499694,47cyclictest8050irq/56-dwc_otg_07:20:422
19522996947,14cyclictest101ktimersoftd/007:40:520
28282670,1sleep30-21swapper/310:50:423
1952499674,49cyclictest1785-21tune2fs09:15:422
1952499664,49cyclictest8050irq/56-dwc_otg_10:40:552
1952299654,51cyclictest0-21swapper/011:05:370
319512640,2sleep10-21swapper/111:31:021
1952499643,39cyclictest7850irq/56-dwc_otg10:15:442
1952499641,7cyclictest30728-21/usr/sbin/munin12:15:492
19524996410,41cyclictest32492-21netstat10:00:472
1952299641,36cyclictest0-21swapper/012:30:370
1952299641,35cyclictest0-21swapper/008:55:380
1952299638,32cyclictest0-21swapper/011:55:560
1952299632,35cyclictest0-21swapper/009:40:380
1952299632,30cyclictest0-21swapper/010:35:410
19522996318,29cyclictest0-21swapper/010:05:410
1952499624,41cyclictest8050irq/56-dwc_otg_07:25:482
1952499622,5cyclictest5393-21/usr/sbin/munin09:20:432
1952299622,38cyclictest9-21ksoftirqd/011:20:240
1952499616,38cyclictest8050irq/56-dwc_otg_12:30:512
1952499615,41cyclictest8050irq/56-dwc_otg_10:23:502
1952499612,3cyclictest0-21swapper/210:06:332
1952499611,5cyclictest9812-21cut11:00:452
19522996122,4cyclictest0-21swapper/012:20:370
183542615,46sleep00-21swapper/007:05:510
1952499603,48cyclictest8050irq/56-dwc_otg_11:31:592
1952499602,46cyclictest0-21swapper/208:07:152
1952499601,47cyclictest26447-21ssh10:38:042
1952499592,40cyclictest0-21swapper/211:23:232
1952499591,5cyclictest16614-21ssh11:10:402
1952499591,45cyclictest13411-21switchtime08:20:532
1952499591,45cyclictest13411-21switchtime08:20:532
19522995941,5cyclictest12718-21ls08:20:420
19522995941,5cyclictest12718-21ls08:20:420
19522995940,11cyclictest101ktimersoftd/012:05:370
19522995931,10cyclictest101ktimersoftd/008:25:540
1952299591,33cyclictest21116-21munin-plugin-st07:15:250
1952299591,33cyclictest21116-21munin-plugin-st07:15:250
135492590,3sleep10-21swapper/112:33:381
1952499583,39cyclictest8050irq/56-dwc_otg_12:00:082
1952499582,42cyclictest7950irq/56-dwc_otg_07:15:402
1952499581,47cyclictest0-21swapper/211:40:492
19524995814,33cyclictest4281-21ssh10:52:092
19522995843,4cyclictest14420-21idleruntime-cro09:35:240
19522995836,7cyclictest7950irq/56-dwc_otg_11:50:560
19522995836,6cyclictest20006-21fschecks_count08:40:420
19522995836,5cyclictest26863-21/usr/sbin/munin07:30:480
19522995834,5cyclictest18579-21tail10:25:540
19522995827,13cyclictest7950irq/56-dwc_otg_11:35:440
19522995820,23cyclictest13-21rcuc/010:40:400
1952499571,42cyclictest8050irq/56-dwc_otg_09:35:512
1952499571,39cyclictest7850irq/56-dwc_otg09:44:162
1952299572,29cyclictest0-21swapper/009:35:480
19522995717,12cyclictest0-21swapper/007:25:370
159762570,2sleep0101ktimersoftd/010:23:010
1952499566,36cyclictest8050irq/56-dwc_otg_10:32:232
1952499562,49cyclictest21080-21tail11:15:532
1952499562,38cyclictest8050irq/56-dwc_otg_12:39:152
1952499561,4cyclictest0-21swapper/208:48:262
1952499561,3cyclictest0-21swapper/208:17:542
1952399561,40cyclictest7850irq/56-dwc_otg07:45:381
1952299561,30cyclictest28939-21fschecks_count07:35:430
1952299561,30cyclictest28939-21fschecks_count07:35:430
19522995612,5cyclictest0-21swapper/011:00:380
1952599555,9cyclictest8050irq/56-dwc_otg_08:45:373
1952499552,9cyclictest0-21swapper/209:45:362
1952499551,42cyclictest8050irq/56-dwc_otg_10:27:032
1952499551,42cyclictest0-21swapper/212:30:142
1952499551,3cyclictest0-21swapper/211:35:372
1952499551,38cyclictest8050irq/56-dwc_otg_09:50:382
19522995542,7cyclictest0-21swapper/012:25:370
19522995529,3cyclictest0-21swapper/008:15:370
1952299551,33cyclictest24822-21latency_hist09:50:250
1952299551,31cyclictest5620-21fschecks_time08:00:420
1952499544,4cyclictest7950irq/56-dwc_otg_12:20:472
1952499544,4cyclictest0-21swapper/209:10:532
1952499544,4cyclictest0-21swapper/209:10:532
1952499544,3cyclictest0-21swapper/211:06:212
1952499543,4cyclictest7950irq/56-dwc_otg_12:14:282
1952499541,4cyclictest6639-21apt-get10:10:362
1952299543,35cyclictest0-21swapper/008:33:240
19522995429,14cyclictest32264-21ssh11:31:450
19522995429,12cyclictest0-21swapper/009:25:400
19522995429,12cyclictest0-21swapper/009:25:400
19522995422,15cyclictest31971-21ntpq10:45:480
1952299541,39cyclictest0-21swapper/010:15:520
1952499535,29cyclictest0-21swapper/210:48:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional