You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-15 - 20:59

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 Wed Apr 15, 2026 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2341439998253,20cyclictest231ktimers/109:30:081
2341439998253,20cyclictest231ktimers/109:30:081
2341440996763,2cyclictest0-21swapper/211:35:192
234143699673,24cyclictest0-21swapper/011:35:010
234143999644,50cyclictest2365660-21rm09:30:001
2341439996044,10cyclictest2391089-21munin-plugin-st12:00:001
234143699601,56cyclictest0-21swapper/009:05:160
234144099585,22cyclictest30-21rcuc/210:35:012
2341439995713,9cyclictest2396160-21apt-get12:30:011
234143699529,9cyclictest2342405-21munin-node07:15:010
234143699529,9cyclictest2342405-21munin-node07:15:010
2341436995143,4cyclictest2375894-21munin-plugin-st10:30:000
2341440995042,5cyclictest2384339-21sendmail11:20:002
2341436995042,4cyclictest167350irq/118-8000000.ethernet-tx007:15:150
2341436995042,4cyclictest167350irq/118-8000000.ethernet-tx007:15:140
2341440994939,7cyclictest2389405-21munin-plugin-st11:50:002
2341440994939,7cyclictest2389405-21munin-plugin-st11:50:002
2341436994942,4cyclictest167350irq/118-8000000.ethernet-tx011:25:230
2341439994828,14cyclictest0-21swapper/110:40:281
2341439994818,14cyclictest2348805-21/usr/sbin/munin07:50:171
2341436994840,4cyclictest167350irq/118-8000000.ethernet-tx010:50:010
2341440994734,9cyclictest2365504-21apt-key09:30:012
2341440994727,15cyclictest311ktimers/209:30:112
2341440994727,15cyclictest311ktimers/209:30:112
2341439994734,9cyclictest1283-21cron09:24:591
2341439994619,7cyclictest2344296-21apt-get07:25:001
234143699466,36cyclictest0-21swapper/012:25:200
234143699461,2cyclictest0-21swapper/009:30:000
2341440994535,6cyclictest0-21swapper/209:35:282
2341436994533,8cyclictest0-21swapper/009:35:280
234143699451,4cyclictest2375199-21sed10:25:020
2341440994432,6cyclictest2362884-21grep09:10:272
2341440994429,11cyclictest0-21swapper/207:45:222
2341440994415,3cyclictest2378972-21phc2sys-jitter10:45:272
2341439994432,7cyclictest2397009-21grep12:30:271
2341439994431,8cyclictest0-21swapper/109:10:011
2341439994429,9cyclictest0-21swapper/107:30:001
2341439994428,10cyclictest0-21swapper/111:35:201
2341439994428,10cyclictest0-21swapper/110:30:271
234143699442,5cyclictest2380384-21diskstats10:55:160
234144099436,29cyclictest30-21rcuc/207:10:052
234144099436,29cyclictest30-21rcuc/207:10:052
2341440994330,9cyclictest0-21swapper/207:40:272
2341440994329,9cyclictest0-21swapper/208:25:282
2341440994325,13cyclictest311ktimers/210:10:122
2341439994331,8cyclictest2368947-21grep09:45:281
2341436994336,4cyclictest167350irq/118-8000000.ethernet-tx009:58:430
2341436994336,4cyclictest167350irq/118-8000000.ethernet-tx009:58:430
2341436994335,4cyclictest20650irq/252-8000000.ethernet11:50:160
234143699431,5cyclictest2373725-21irqstats10:15:200
2341440994234,5cyclictest2388566-21munin-plugin-st11:45:002
2341440994228,9cyclictest0-21swapper/209:00:192
2341439994228,9cyclictest0-21swapper/112:15:201
234143999421,14cyclictest22-21rcuc/108:05:011
2341436994238,2cyclictest0-21swapper/008:40:260
2341436994238,2cyclictest0-21swapper/008:20:120
2341436994236,3cyclictest0-21swapper/012:30:050
2341436994235,5cyclictest2351984-21munin-plugin-st08:09:590
2341436994234,4cyclictest167350irq/118-8000000.ethernet-tx008:55:000
234143699422,4cyclictest2345726-21meminfo07:30:220
234143699421,39cyclictest0-21swapper/008:35:260
234143699421,39cyclictest0-21swapper/008:35:260
234143699421,38cyclictest2397468-21perl12:35:200
2341440994133,5cyclictest2369876-21kworker/u8:1-events_power_efficient10:25:012
2341440994133,5cyclictest0-21swapper/208:40:292
2341440994123,12cyclictest311ktimers/210:40:132
2341439994126,10cyclictest0-21swapper/110:25:211
234143999411,4cyclictest0-21swapper/108:55:011
2341436994134,4cyclictest20650irq/252-8000000.ethernet10:35:010
2341436994133,4cyclictest167350irq/118-8000000.ethernet-tx007:25:250
2341436994133,4cyclictest0-21swapper/010:35:300
2341436994128,9cyclictest0-21swapper/007:20:270
234143699411,5cyclictest2393244-21irqstats12:10:210
234143699411,5cyclictest2368182-21users09:40:280
234143699411,3cyclictest0-21swapper/011:03:460
234143699411,38cyclictest0-21swapper/010:40:270
2341440994023,12cyclictest311ktimers/208:15:132
2341440994021,13cyclictest311ktimers/209:15:122
2341439994034,4cyclictest2343447-21munin-plugin-st07:20:001
2341439994034,4cyclictest2343447-21munin-plugin-st07:20:001
234143999401,2cyclictest0-21swapper/111:45:011
234143699408,3cyclictest2366420-21apt-get09:35:000
234143699408,3cyclictest2366420-21apt-get09:35:000
2341436994035,2cyclictest0-21swapper/012:20:160
234143699402,4cyclictest2369048-21munin-run09:50:010
234143699402,4cyclictest2350260-21users07:55:310
234143699402,4cyclictest2350260-21users07:55:300
234143699401,4cyclictest2393876-21df12:15:160
234143699401,36cyclictest2353321-21meminfo08:15:240
234143699401,2cyclictest0-21swapper/010:10:010
2341440993929,7cyclictest0-21swapper/208:20:272
2341440993928,6cyclictest0-21swapper/210:35:262
2341440993921,13cyclictest311ktimers/208:00:142
2341440993920,13cyclictest311ktimers/212:30:092
2341436993929,6cyclictest0-21swapper/011:10:290
2341436993928,8cyclictest2349449-21munin-plugin-st07:55:000
2341436993927,8cyclictest0-21swapper/011:45:260
2341436993927,8cyclictest0-21swapper/011:45:260
2341436993923,14cyclictest167350irq/118-8000000.ethernet-tx007:45:220
2341436993923,14cyclictest0-21swapper/008:30:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional