You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-30 - 01:39

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 Jul 29, 2026 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
278817299941,90cyclictest0-21swapper/010:55:000
278817299851,67cyclictest0-21swapper/009:45:130
2788176997240,21cyclictest311ktimers/211:40:002
278817399697,24cyclictest2820981-21/usr/sbin/munin10:20:171
278817399635,23cyclictest22-21rcuc/109:20:011
278817399613,18cyclictest0-21swapper/108:25:011
2788173995950,5cyclictest2841468-21apt12:20:001
278817399555,24cyclictest22-21rcuc/111:55:001
278817699546,14cyclictest30-21rcuc/209:10:022
278817299543,44cyclictest0-21swapper/007:15:000
2788172995318,11cyclictest0-21swapper/012:05:000
2788173995242,6cyclictest2831257-21cut11:20:001
2788172995139,7cyclictest2824887-21grep10:40:260
2788172995132,16cyclictest0-21swapper/008:35:010
2788176995030,13cyclictest311ktimers/207:50:142
2788176995013,20cyclictest311ktimers/211:00:002
2788176995013,20cyclictest311ktimers/211:00:002
278817299492,4cyclictest2843890-21grep12:30:320
278817299492,4cyclictest2843890-21grep12:30:320
278817299492,11cyclictest2796882-21latency_hist08:00:000
2788173994811,8cyclictest2832108-21apt-get11:25:021
2788172994842,5cyclictest0-21swapper/009:35:010
2788172994840,5cyclictest167350irq/118-8000000.ethernet-tx009:05:170
2788172994840,4cyclictest167350irq/118-8000000.ethernet-tx012:35:170
278817299482,41cyclictest2830269-21head11:10:300
2788176994731,12cyclictest311ktimers/210:05:132
2788172994739,4cyclictest167350irq/118-8000000.ethernet-tx011:25:000
2788172994737,6cyclictest2808027-21munin-plugin-st09:05:000
278817299472,39cyclictest2801888-21grep08:25:290
278817299472,39cyclictest2801888-21grep08:25:290
278817299471,8cyclictest0-21swapper/009:25:010
278817299471,8cyclictest0-21swapper/008:05:010
2788176994629,13cyclictest311ktimers/212:10:162
2788172994635,7cyclictest2818994-21grep10:05:290
2788172994632,9cyclictest0-21swapper/011:05:300
278817299461,41cyclictest2839735-21grep12:05:280
2788176994530,11cyclictest311ktimers/212:00:142
2788176994529,11cyclictest0-21swapper/207:35:292
2788176994511,21cyclictest2829680-21/usr/sbin/munin11:10:212
2788173994533,8cyclictest2830010-21phc2sys11:10:271
278817299459,31cyclictest0-21swapper/012:10:220
278817299456,8cyclictest12-21ksoftirqd/010:30:010
278817299456,5cyclictest2805397-21apt-get08:50:020
278817299454,5cyclictest15-21rcuc/008:20:270
2788172994537,5cyclictest0-21swapper/009:55:000
278817299453,5cyclictest2814099-21gpgconf09:40:020
2788176994432,9cyclictest311ktimers/207:10:152
2788173994435,5cyclictest167450irq/126-8000000.ethernet-tx108:05:301
2788172994436,4cyclictest2818245-21munin-plugin-st10:05:000
278817299443,36cyclictest0-21swapper/011:30:290
2788172994433,6cyclictest0-21swapper/011:15:290
2788172994430,8cyclictest0-21swapper/008:10:280
2788172994428,11cyclictest0-21swapper/010:55:190
2788172994428,11cyclictest0-21swapper/010:55:190
278817299441,41cyclictest0-21swapper/008:50:130
2788176994332,7cyclictest2805569-21latency_hist08:50:002
2788176994319,13cyclictest311ktimers/212:20:152
2788172994339,2cyclictest0-21swapper/007:20:120
2788172994336,4cyclictest167350irq/118-8000000.ethernet-tx007:30:310
278817299431,4cyclictest131ktimers/009:15:010
278817299431,38cyclictest2819887-21grep10:10:280
2788176994216,14cyclictest311ktimers/211:15:132
2788173994229,8cyclictest2832934-21sed11:25:301
278817399421,31cyclictest0-21swapper/111:00:201
278817299423,4cyclictest2816940-21dropbear09:55:210
2788172994231,7cyclictest0-21swapper/008:35:280
2788172994231,6cyclictest0-21swapper/011:05:010
2788172994223,14cyclictest2825922-21apt-get10:50:000
2788172994221,19cyclictest15-21rcuc/012:15:230
2788176994128,9cyclictest2800451-21/usr/sbin/munin08:20:182
2788176994123,10cyclictest0-21swapper/209:10:302
2788176994120,13cyclictest311ktimers/209:45:142
2788173994135,3cyclictest2813923-21sendmail09:40:011
2788173994134,5cyclictest2814867-21munin-plugin-st09:44:591
2788173994129,8cyclictest0-21swapper/110:55:011
2788173994128,8cyclictest0-21swapper/108:35:291
2788173994127,8cyclictest2788907-21grep07:10:281
278817399411,3cyclictest0-21swapper/108:30:011
278817399411,3cyclictest0-21swapper/108:30:011
2788172994134,5cyclictest20850irq/208-8000000.ethernet08:40:290
2788172994133,3cyclictest0-21swapper/011:45:300
278817299412,5cyclictest2791230-21df_inode07:25:190
278817299411,4cyclictest15-21rcuc/012:25:300
2788176994030,7cyclictest2837146-21grep11:50:292
2788176994029,6cyclictest0-21swapper/209:25:282
2788176994027,9cyclictest0-21swapper/211:20:332
2788176994025,12cyclictest311ktimers/211:40:122
2788176994025,11cyclictest311ktimers/212:05:122
2788176994024,7cyclictest2796217-21/usr/sbin/munin07:55:212
2788176994024,12cyclictest311ktimers/210:20:112
2788176994024,12cyclictest0-21swapper/211:00:202
2788176994022,13cyclictest311ktimers/210:15:152
2788176994022,13cyclictest311ktimers/210:15:152
2788176994022,12cyclictest0-21swapper/208:35:292
2788173994031,4cyclictest0-21swapper/112:25:301
2788173994029,6cyclictest0-21swapper/110:50:011
2788172994034,3cyclictest2835244-21/usr/sbin/munin11:40:260
2788172994033,4cyclictest0-21swapper/010:20:230
2788172994032,5cyclictest12-21ksoftirqd/009:25:240
2788172994032,4cyclictest167350irq/118-8000000.ethernet-tx010:30:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional