You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-16 - 08:20

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 #e, 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
  TI
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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot6s.osadl.org (updated Tue Jun 16, 2026 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2126464998411,9cyclictest170091ptp4l20:40:063
2126458996115,15cyclictest23850irq/422-mmc120:45:020
212646099552,34cyclictest0-21swapper/120:30:011
212646099552,34cyclictest0-21swapper/120:30:011
2126458995348,2cyclictest0-21swapper/000:00:010
212645899531,35cyclictest0-21swapper/023:15:010
2126463995244,4cyclictest2164222-21munin-plugin-st22:50:002
2126463995115,20cyclictest2169502-21/usr/sbin/munin23:20:172
2126458995135,11cyclictest2182820-21grep00:35:290
212645899511,5cyclictest2164846-21ptp4l-jitter22:50:260
212645899511,5cyclictest2164846-21ptp4l-jitter22:50:260
2126463995042,5cyclictest2162524-21sendmail22:39:592
2126463995023,4cyclictest0-21swapper/221:35:012
2126460995031,16cyclictest231ktimers/121:05:011
2126460995031,16cyclictest231ktimers/121:05:011
2126458995026,20cyclictest2141543-21grep20:35:290
2126458995026,20cyclictest2141543-21grep20:35:290
2126460994933,11cyclictest0-21swapper/123:30:311
2126460994933,11cyclictest0-21swapper/123:30:311
2126458994839,5cyclictest0-21swapper/000:30:190
212645899481,31cyclictest0-21swapper/000:30:010
212645899481,31cyclictest0-21swapper/000:30:010
2126460994736,7cyclictest2148000-21munin-plugin-st21:15:001
2126458994737,6cyclictest0-21swapper/020:55:190
212645899471,29cyclictest0-21swapper/020:05:010
212645899471,19cyclictest0-21swapper/023:20:010
2126463994636,5cyclictest0-21swapper/223:15:002
2126463994629,6cyclictest0-21swapper/220:30:212
212646099465,21cyclictest22-21rcuc/119:40:011
2126460994634,7cyclictest0-21swapper/122:25:291
2126458994639,4cyclictest167350irq/118-8000000.ethernet-tx019:20:160
2126458994635,5cyclictest20850irq/208-8000000.ethernet19:15:020
2126458994632,9cyclictest0-21swapper/021:40:280
2126458994632,9cyclictest0-21swapper/021:40:280
2126458994612,17cyclictest2131127-21/usr/sbin/munin19:35:190
2126463994535,6cyclictest2158119-21grep22:10:282
2126463994532,8cyclictest0-21swapper/200:20:002
2126463994532,6cyclictest2159111-21grep22:15:292
2126460994539,4cyclictest231ktimers/119:30:001
2126460994531,9cyclictest0-21swapper/123:00:291
2126458994537,4cyclictest167350irq/118-8000000.ethernet-tx022:05:180
2126458994536,5cyclictest167350irq/118-8000000.ethernet-tx022:00:250
2126458994534,6cyclictest0-21swapper/021:55:270
2126458994533,8cyclictest0-21swapper/021:15:290
2126458994533,7cyclictest0-21swapper/022:20:290
212645899451,4cyclictest0-21swapper/022:35:120
2126463994431,9cyclictest0-21swapper/222:20:172
2126463994430,9cyclictest0-21swapper/219:50:202
2126463994430,8cyclictest0-21swapper/222:00:272
2126460994434,7cyclictest2164978-21unixbench_multi22:50:281
2126460994434,7cyclictest2164978-21unixbench_multi22:50:281
2126460994432,7cyclictest0-21swapper/119:55:291
2126460994431,8cyclictest0-21swapper/119:45:281
2126460994431,8cyclictest0-21swapper/119:45:281
2126460994430,9cyclictest0-21swapper/122:45:241
2126460994430,9cyclictest0-21swapper/121:00:011
2126460994428,11cyclictest0-21swapper/100:35:291
2126460994427,9cyclictest0-21swapper/121:05:281
2126458994436,4cyclictest167350irq/118-8000000.ethernet-tx022:25:190
2126458994434,7cyclictest2130045-21grep19:25:290
2126458994433,7cyclictest0-21swapper/020:20:010
2126458994430,10cyclictest0-21swapper/000:20:000
2126463994334,5cyclictest0-21swapper/222:50:282
2126463994334,5cyclictest0-21swapper/222:50:282
2126463994333,5cyclictest0-21swapper/221:50:282
2126463994333,5cyclictest0-21swapper/219:20:272
2126463994330,5cyclictest0-21swapper/221:10:192
2126463994329,8cyclictest0-21swapper/200:10:292
2126463994329,8cyclictest0-21swapper/200:10:292
2126463994328,10cyclictest0-21swapper/220:55:262
2126463994327,8cyclictest0-21swapper/219:30:272
2126460994330,9cyclictest0-21swapper/120:50:281
2126460994329,9cyclictest0-21swapper/122:55:301
2126458994337,4cyclictest0-21swapper/022:10:150
2126458994334,5cyclictest2166761-21munin-plugin-st23:05:000
2126458994334,5cyclictest0-21swapper/020:25:290
2126458994334,5cyclictest0-21swapper/020:25:280
2126458994330,8cyclictest0-21swapper/019:45:280
2126458994330,8cyclictest0-21swapper/019:45:270
2126458994329,8cyclictest0-21swapper/022:45:290
212645899431,3cyclictest2134854-21tail19:55:270
212646399426,24cyclictest30-21rcuc/219:45:112
212646399426,24cyclictest30-21rcuc/219:45:112
2126463994234,4cyclictest167550irq/134-8000000.ethernet-tx220:10:252
2126463994221,10cyclictest0-21swapper/221:15:202
2126460994231,7cyclictest2148768-21grep21:15:291
2126460994229,9cyclictest0-21swapper/100:15:281
2126460994227,9cyclictest0-21swapper/120:35:231
2126460994227,9cyclictest0-21swapper/120:35:231
2126458994233,6cyclictest0-21swapper/021:35:170
2126458994229,8cyclictest0-21swapper/021:10:290
2126458994228,9cyclictest0-21swapper/020:20:280
212645899422,6cyclictest2128008-21irqstats19:15:230
212645899421,39cyclictest0-21swapper/020:05:250
212645899421,39cyclictest0-21swapper/019:40:130
2126463994137,2cyclictest0-21swapper/221:05:192
2126463994132,4cyclictest0-21swapper/219:15:282
2126463994131,5cyclictest2170923-21unixbench_singl23:25:292
2126463994128,7cyclictest2149706-21grep21:20:282
2126463994123,10cyclictest0-21swapper/221:35:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional