You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-04 - 06:07

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 Sat Apr 04, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
533644998478,4cyclictest30-21rcuc/219:20:012
53363999771,9cyclictest558965-21/usr/sbin/munin21:35:190
533639997642,29cyclictest167350irq/118-8000000.ethernet-tx019:20:240
533639997642,29cyclictest167350irq/118-8000000.ethernet-tx019:20:240
533639997439,32cyclictest539807-21grep19:44:590
533639997428,10cyclictest0-21swapper/022:00:200
533639997212,53cyclictest0-21swapper/022:10:200
53363999711,11cyclictest0-21swapper/019:30:170
533639996923,15cyclictest131ktimers/021:55:140
533639996923,15cyclictest131ktimers/021:55:140
53363999672,31cyclictest566459-21latency_hist22:20:010
533639996711,51cyclictest0-21swapper/000:00:020
533639996638,23cyclictest570546-21apt22:45:000
53363999661,31cyclictest581780-21latency_hist23:50:020
533639996425,9cyclictest0-21swapper/022:25:280
533644996345,12cyclictest311ktimers/223:55:142
53363999591,7cyclictest590533-21latency_hist00:40:020
533639995817,34cyclictest534593-21latency_hist19:15:020
53364499565,25cyclictest32-21ksoftirqd/221:30:012
533639995645,7cyclictest586944-21sendmail00:19:590
53363999551,39cyclictest14-21rcu_preempt20:00:010
533644995444,5cyclictest587794-21munin-plugin-st00:25:002
533639995434,16cyclictest167350irq/118-8000000.ethernet-tx020:40:260
53363999541,50cyclictest0-21swapper/023:30:110
533644995236,13cyclictest311ktimers/200:10:142
533644995214,7cyclictest579820-21apt-get23:40:012
533641995215,16cyclictest566227-21apt-get22:20:021
533644995042,5cyclictest584414-21munin-plugin-st00:05:002
533644995031,10cyclictest0-21swapper/223:50:012
533644994937,9cyclictest311ktimers/221:45:142
533644994929,13cyclictest311ktimers/200:35:122
533644994838,5cyclictest538860-21grep19:35:282
533644994833,10cyclictest552562-21grep20:55:272
533644994824,17cyclictest311ktimers/219:30:122
53364199485,6cyclictest0-21swapper/120:55:001
53364199481,2cyclictest0-21swapper/122:35:001
533639994821,6cyclictest582803-21latency_hist23:55:020
533644994726,14cyclictest0-21swapper/220:40:012
53363999472,41cyclictest584300-21sed00:00:280
533644994640,4cyclictest30-21rcuc/222:05:022
533644994632,10cyclictest0-21swapper/223:20:282
533644994630,12cyclictest311ktimers/219:20:152
533644994630,12cyclictest311ktimers/219:20:152
533644994627,14cyclictest311ktimers/223:00:112
533644994626,14cyclictest311ktimers/222:00:112
533644994624,16cyclictest311ktimers/223:30:132
533641994634,8cyclictest0-21swapper/121:54:591
53364199462,9cyclictest0-21swapper/120:00:001
53363999464,12cyclictest0-21swapper/019:10:000
533644994539,4cyclictest311ktimers/219:50:162
533644994537,5cyclictest30-21rcuc/200:35:002
533644994533,9cyclictest311ktimers/222:20:122
533644994530,10cyclictest0-21swapper/220:45:272
533641994537,4cyclictest549131-21grep20:35:291
533639994538,3cyclictest167350irq/118-8000000.ethernet-tx000:10:000
533639994533,7cyclictest585978-21grep00:10:250
533644994431,9cyclictest0-21swapper/221:10:282
533644994426,13cyclictest311ktimers/221:30:142
533644994411,30cyclictest0-21swapper/219:40:272
53363999442,31cyclictest578263-21latency_hist23:30:000
53363999441,4cyclictest587683-21grep00:20:290
533644994331,9cyclictest311ktimers/222:50:152
533644994331,9cyclictest311ktimers/222:50:152
533644994329,7cyclictest0-21swapper/223:15:232
533644994327,12cyclictest0-21swapper/221:20:262
533641994332,7cyclictest0-21swapper/100:10:251
53364199431,7cyclictest0-21swapper/123:35:021
533639994336,4cyclictest167350irq/118-8000000.ethernet-tx019:50:240
533639994334,5cyclictest0-21swapper/022:55:280
53363999431,7cyclictest0-21swapper/019:50:000
533644994231,8cyclictest0-21swapper/220:30:002
533644994229,10cyclictest311ktimers/221:50:142
533644994228,8cyclictest0-21swapper/220:50:282
533639994236,3cyclictest167350irq/118-8000000.ethernet-tx023:00:210
53363999422,4cyclictest564654-21latency_hist22:10:000
533644994131,6cyclictest554260-21grep21:05:282
533644994129,7cyclictest0-21swapper/223:05:272
533644994129,7cyclictest0-21swapper/220:40:272
533644994129,10cyclictest311ktimers/220:00:142
533644994125,12cyclictest311ktimers/220:15:122
533644994124,11cyclictest311ktimers/200:05:122
53364199411,4cyclictest0-21swapper/120:30:011
533639994124,15cyclictest0-21swapper/023:35:150
53363999411,4cyclictest552921-21diskstats21:00:180
53363999411,4cyclictest552921-21diskstats21:00:180
53363999411,37cyclictest0-21swapper/021:50:270
53364499409,3cyclictest0-21swapper/221:00:222
53364499409,3cyclictest0-21swapper/221:00:222
533644994028,7cyclictest0-21swapper/223:40:282
533644994026,10cyclictest0-21swapper/223:10:272
533644994024,13cyclictest311ktimers/222:10:142
533644994022,11cyclictest311ktimers/222:40:132
533641994031,5cyclictest587702-21grep00:20:301
533641994027,10cyclictest0-21swapper/123:10:191
533641994024,10cyclictest0-21swapper/100:30:291
533641994023,13cyclictest231ktimers/121:20:151
533639994034,4cyclictest20850irq/208-8000000.ethernet21:50:020
533639994034,4cyclictest0-21swapper/021:10:120
533639994034,3cyclictest20650irq/252-8000000.ethernet19:35:110
53363999402,4cyclictest575935-21fschecks_time23:15:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional