You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-16 - 18:17

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 #1, slot #6

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
  Intel
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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack1slot6s.osadl.org (updated Tue Dec 16, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2485991070,6rtkit-daemon0-21swapper/309:24:243
2485991030,7rtkit-daemon0-21swapper/111:32:123
3215399904,23cyclictest0-21swapper/210:06:152
3215399894,26cyclictest0-21swapper/212:11:552
248599880,31rtkit-daemon17944-21munin-node08:52:183
3215399874,28cyclictest0-21swapper/208:02:042
3215399874,26cyclictest0-21swapper/211:46:332
3215399874,26cyclictest0-21swapper/211:06:572
3215399874,26cyclictest0-21swapper/209:01:502
3215399874,25cyclictest0-21swapper/210:56:562
248599870,29rtkit-daemon0-21swapper/211:46:563
3215399865,27cyclictest0-21swapper/208:37:162
3215399864,27cyclictest0-21swapper/208:07:082
3215099864,74cyclictest0-21swapper/011:12:060
3215399854,27cyclictest0-21swapper/211:37:052
3215399854,27cyclictest0-21swapper/211:37:052
3215399853,26cyclictest7145-21telnet11:51:522
248599850,27rtkit-daemon4433-21yum-updatesd-he11:46:263
3215099843,74cyclictest0-21swapper/011:57:110
3215399834,27cyclictest0-21swapper/208:47:032
3215399833,26cyclictest24255-21grep07:57:032
3215099835,47cyclictest0-21swapper/007:06:530
3215099834,72cyclictest0-21swapper/011:07:040
3215399824,28cyclictest0-21swapper/209:22:162
3215399824,24cyclictest0-21swapper/207:17:022
3215099824,71cyclictest6870-21awk11:51:420
3215399814,26cyclictest0-21swapper/210:52:042
32153998123,12cyclictest0-21swapper/211:23:032
32153998115,12cyclictest0-21swapper/211:27:032
3215099814,70cyclictest0-21swapper/011:51:580
248599810,21rtkit-daemon0-21swapper/211:39:573
248599810,21rtkit-daemon0-21swapper/211:39:573
3215399804,29cyclictest0-21swapper/210:07:142
3215399804,29cyclictest0-21swapper/210:07:142
3215399804,13cyclictest0-21swapper/211:21:422
32153998026,10cyclictest1825-21grep08:17:052
32153998020,13cyclictest0-21swapper/208:32:022
32153998018,11cyclictest0-21swapper/208:12:152
3215099804,69cyclictest0-21swapper/010:46:530
3215099804,69cyclictest0-21swapper/010:46:530
3215099804,44cyclictest0-21swapper/010:46:450
3215099803,71cyclictest1419-21runrttasks07:37:000
3215399794,32cyclictest0-21swapper/212:31:462
3215399794,26cyclictest0-21swapper/212:06:592
3215099794,67cyclictest0-21swapper/011:31:550
3215099794,67cyclictest0-21swapper/010:36:440
3215099793,69cyclictest0-21swapper/012:36:410
3215099793,44cyclictest2737-21grep09:26:590
3215099793,44cyclictest2737-21grep09:26:590
3215399784,33cyclictest0-21swapper/212:16:522
3215399784,33cyclictest0-21swapper/212:16:522
3215399783,24cyclictest0-21swapper/211:51:342
32153997816,11cyclictest0-21swapper/209:06:572
3215099784,67cyclictest1419-21runrttasks08:41:260
3215099784,65cyclictest16310-21chrt08:47:050
3215099783,68cyclictest25222-21tail09:06:580
3215099783,68cyclictest2437-21munin-node07:12:110
3215099783,68cyclictest0-21swapper/008:17:150
3215399774,26cyclictest0-21swapper/209:46:342
32153997723,10cyclictest3211-21grep09:27:052
32153997723,10cyclictest3211-21grep09:27:052
3215099774,66cyclictest0-21swapper/007:57:190
3215099774,65cyclictest0-21swapper/010:11:560
3215099773,68cyclictest0-21swapper/009:39:310
3215099773,68cyclictest0-21swapper/009:17:570
3215099773,67cyclictest32367-21munin-node07:07:150
248599770,8rtkit-daemon0-21swapper/009:52:160
3215399764,34cyclictest0-21swapper/210:36:592
3215399764,27cyclictest0-21swapper/212:21:542
3215399764,27cyclictest0-21swapper/208:52:022
3215399764,27cyclictest0-21swapper/208:22:162
3215399764,26cyclictest0-21swapper/207:37:072
3215399764,25cyclictest0-21swapper/207:10:482
3215399764,23cyclictest0-21swapper/209:46:552
3215399764,22cyclictest0-21swapper/208:27:002
3215399763,25cyclictest0-21swapper/209:06:482
32153997619,11cyclictest0-21swapper/207:15:502
3215099764,65cyclictest0-21swapper/009:31:550
3215099764,65cyclictest0-21swapper/009:02:190
3215099764,65cyclictest0-21swapper/007:17:010
3215099763,65cyclictest32208-21munin-node11:36:580
3215099763,65cyclictest32208-21munin-node11:36:580
3215399754,25cyclictest0-21swapper/210:36:202
3215399754,25cyclictest0-21swapper/207:27:012
3215399753,26cyclictest0-21swapper/211:01:552
32153997528,9cyclictest8404-21wc07:22:142
32153997528,9cyclictest8404-21wc07:22:142
32153997519,12cyclictest0-21swapper/210:46:392
32153997519,11cyclictest0-21swapper/207:35:522
3215099756,62cyclictest0-21swapper/010:05:430
3215099754,64cyclictest0-21swapper/012:07:340
3215099754,64cyclictest0-21swapper/007:32:070
3215099753,65cyclictest287391munin-node08:06:580
3215099753,65cyclictest19930-21fschecks_time07:47:070
3215099753,65cyclictest19926-21sh12:16:560
3215099753,65cyclictest19926-21sh12:16:560
3215099753,64cyclictest13886-21seq10:57:000
3215399744,12cyclictest0-21swapper/210:47:102
3215399744,12cyclictest0-21swapper/210:47:102
3215099744,63cyclictest0-21swapper/012:29:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional