You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-29 - 11:51

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 #5, slot #3

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
  
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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot3s.osadl.org (updated Sun Mar 29, 2026 00:44:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
75972238163,25sleep30-21swapper/319:07:523
75972238163,25sleep30-21swapper/319:07:523
75692235163,59sleep00-21swapper/019:07:280
75692235163,59sleep00-21swapper/019:07:280
77272202165,25sleep20-21swapper/219:09:322
77272202165,25sleep20-21swapper/219:09:322
75112201163,25sleep10-21swapper/119:06:451
75112201163,25sleep10-21swapper/119:06:451
7866999793,2cyclictest28926-21diskmemload23:31:073
7866997874,3cyclictest0-21swapper/322:36:583
7866996359,3cyclictest0-21swapper/300:28:463
7866996259,2cyclictest0-21swapper/322:31:103
148682520,4sleep0784699cyclictest00:15:240
180942470,2sleep20-21swapper/223:10:172
7866994137,3cyclictest0-21swapper/321:45:493
786199371,14cyclictest20754-21idleruntime00:30:172
785499361,22cyclictest0-21swapper/123:00:151
784699369,13cyclictest4392-21munin-run23:55:010
7861993524,3cyclictest0-21swapper/220:45:252
786199351,26cyclictest0-21swapper/222:47:172
786199351,26cyclictest0-21swapper/222:47:172
786199351,20cyclictest0-21swapper/219:35:252
786199351,15cyclictest8475-21bash00:01:012
786199331,25cyclictest0-21swapper/222:25:572
786199331,19cyclictest0-21swapper/221:17:052
784699331,16cyclictest23901-21munin-run19:45:010
786199321,19cyclictest0-21swapper/222:59:412
786199321,15cyclictest0-21swapper/220:56:052
786199321,14cyclictest582-21ntp_states22:30:212
786199321,14cyclictest0-21swapper/223:04:052
786199321,13cyclictest0-21swapper/223:30:532
784699324,13cyclictest14154-21munin-run21:50:010
786199311,24cyclictest0-21swapper/200:24:092
786199311,23cyclictest0-21swapper/220:26:292
786199311,17cyclictest0-21swapper/223:27:332
786199311,17cyclictest0-21swapper/222:08:572
786199311,13cyclictest0-21swapper/223:21:132
786199311,13cyclictest0-21swapper/220:40:492
786199310,24cyclictest0-21swapper/200:05:072
785499311,24cyclictest0-21swapper/121:05:031
3232310,2sleep00-21swapper/021:15:260
94622300,4sleep339-21rcuc/322:50:203
7861993017,3cyclictest28926-21diskmemload22:51:132
7861993016,3cyclictest0-21swapper/222:19:252
786199301,14cyclictest0-21swapper/220:18:332
786199301,13cyclictest0-21swapper/223:42:292
786199301,13cyclictest0-21swapper/222:14:212
786199301,12cyclictest8847-21ntp_offset21:35:212
786199301,12cyclictest0-21swapper/221:01:322
785499300,18cyclictest0-21swapper/120:58:591
784699301,14cyclictest6606-21basename00:00:010
786199299,3cyclictest0-21swapper/223:15:202
786199295,10cyclictest5973-21fschecks_count21:30:152
786199295,10cyclictest5973-21fschecks_count21:30:152
7861992916,4cyclictest0-21swapper/221:48:532
7861992915,4cyclictest0-21swapper/219:32:492
786199291,23cyclictest0-21swapper/221:56:212
786199291,13cyclictest0-21swapper/221:50:492
786199291,11cyclictest0-21swapper/223:05:042
786199291,11cyclictest0-21swapper/221:10:492
785499291,19cyclictest24245-21ntp_states22:10:221
785499290,13cyclictest0-21swapper/121:35:191
786199281,14cyclictest0-21swapper/220:36:292
786199281,13cyclictest0-21swapper/219:16:242
786199281,13cyclictest0-21swapper/200:15:372
786199281,12cyclictest0-21swapper/222:02:132
786199281,12cyclictest0-21swapper/219:41:452
786199281,11cyclictest0-21swapper/200:14:052
785499281,9cyclictest0-21swapper/121:32:431
785499281,9cyclictest0-21swapper/121:32:431
785499281,8cyclictest0-21swapper/100:04:191
785499281,11cyclictest19740-21users20:45:271
785499281,11cyclictest0-21swapper/119:18:311
785499281,11cyclictest0-21swapper/100:18:351
784699281,13cyclictest10025-21munin-run19:15:010
7846992811,15cyclictest19825-21awk00:30:010
786199279,3cyclictest0-21swapper/220:30:212
786199271,15cyclictest0-21swapper/219:22:452
786199271,15cyclictest0-21swapper/219:11:572
786199271,13cyclictest0-21swapper/221:21:252
786199271,12cyclictest0-21swapper/220:11:412
786199271,12cyclictest0-21swapper/219:55:092
786199271,11cyclictest0-21swapper/223:54:372
786199271,11cyclictest0-21swapper/222:23:212
786199271,11cyclictest0-21swapper/200:35:292
785499271,9cyclictest0-21swapper/120:00:191
785499271,10cyclictest0-21swapper/123:25:031
785499270,12cyclictest0-21swapper/120:37:231
784699279,15cyclictest8812-21munin-run00:05:010
784699271,13cyclictest5360-21munin-run21:30:010
182032270,4sleep230-21rcuc/200:25:142
786199261,14cyclictest27240-21memory19:50:192
786199261,14cyclictest0-21swapper/222:39:212
786199261,13cyclictest0-21swapper/223:46:212
786199261,12cyclictest0-21swapper/223:36:492
785499261,10cyclictest0-21swapper/119:57:191
785499260,9cyclictest0-21swapper/120:20:071
785499260,19cyclictest0-21swapper/123:06:211
785499260,12cyclictest0-21swapper/122:52:021
785499260,10cyclictest0-21swapper/121:19:351
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional