You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-07 - 23:05

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 Thu May 07, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
233112239162,25sleep00-21swapper/007:07:460
234362215163,39sleep10-21swapper/107:09:241
232352204167,24sleep30-21swapper/307:06:493
233032203166,25sleep20-21swapper/207:07:402
2832421680,2sleep32358399cyclictest08:30:213
2357799108104,3cyclictest0-21swapper/209:13:412
2127121070,4sleep22357799cyclictest10:40:262
23577998986,2cyclictest0-21swapper/209:35:272
309752680,5sleep330979-21unixbench_multi08:35:263
2357399375,14cyclictest0-21swapper/108:35:241
2356599378,13cyclictest10696-21munin-run10:20:010
2356599347,13cyclictest22654-21munin-run08:20:010
2356599346,13cyclictest18254-21munin-run08:10:010
2357399331,25cyclictest0-21swapper/109:10:211
2357399331,10cyclictest0-21swapper/108:53:151
2358399321,22cyclictest0-21swapper/310:32:133
2358399318,2cyclictest0-21swapper/307:15:173
23583993110,3cyclictest0-21swapper/308:42:223
2357399311,23cyclictest0-21swapper/112:35:241
2356599316,12cyclictest9127-21awk11:30:020
2358399301,13cyclictest0-21swapper/309:17:173
23573993015,3cyclictest10312-21users10:15:271
2357399301,22cyclictest0-21swapper/111:40:201
2357399301,20cyclictest0-21swapper/108:58:541
2358399291,11cyclictest0-21swapper/312:26:453
2358399290,20cyclictest0-21swapper/312:14:533
2357399291,11cyclictest0-21swapper/108:45:531
2358399281,12cyclictest0-21swapper/309:01:303
23583992810,3cyclictest0-21swapper/311:36:213
23583992810,3cyclictest0-21swapper/311:13:533
2357799284,3cyclictest87650irq/129-enp1s0-12:05:192
2357399281,19cyclictest24077-21perl09:35:141
2357399280,16cyclictest8891-21kworker/u8:012:00:231
2358399271,12cyclictest0-21swapper/310:00:173
2357399271,16cyclictest0-21swapper/108:00:361
2357399271,15cyclictest0-21swapper/111:24:061
2357399270,11cyclictest0-21swapper/110:45:051
2356599272,13cyclictest28636-21munin-run07:20:020
2356599272,10cyclictest30405-21kworker/0:211:21:040
23565992712,3cyclictest20811-21kworker/0:110:00:190
2356599271,13cyclictest4732-21basename11:20:010
23565992711,14cyclictest31464-21perf08:40:010
2356599270,12cyclictest17918-21awk11:50:010
129152270,5sleep011-21rcuc/009:10:140
2358399261,12cyclictest0-21swapper/310:06:533
2358399261,12cyclictest0-21swapper/309:49:453
2358399261,12cyclictest0-21swapper/308:26:103
2358399261,11cyclictest0-21swapper/310:13:413
2358399260,11cyclictest0-21swapper/311:00:303
2357399267,12cyclictest0-21swapper/112:05:091
23573992613,2cyclictest20528-21sed08:15:011
2357399261,20cyclictest0-21swapper/111:19:401
2357399261,18cyclictest0-21swapper/110:31:181
2357399261,13cyclictest10599-21sensors11:30:221
2357399261,13cyclictest10599-21sensors11:30:221
2356599268,15cyclictest32061-21munin-run09:55:020
2356599262,10cyclictest7703-21kworker/0:309:02:470
2356599262,10cyclictest23200-21kworker/0:009:37:320
2356599261,5cyclictest0-21swapper/009:55:250
2356599261,13cyclictest6302-21munin-run10:10:000
2356599261,10cyclictest31421-21kworker/0:308:42:230
2356599261,10cyclictest30405-21kworker/0:211:11:070
2358399253,13cyclictest0-21swapper/309:57:403
2358399251,18cyclictest0-21swapper/309:43:053
2358399251,14cyclictest0-21swapper/311:46:053
2358399251,13cyclictest0-21swapper/310:26:013
2358399251,11cyclictest0-21swapper/311:16:173
2358399250,12cyclictest0-21swapper/309:36:013
2357799259,3cyclictest9091-21needreboot09:00:182
2357799251,7cyclictest0-21swapper/210:29:212
2357399253,14cyclictest18415-21kworker/u8:109:15:121
2357399253,12cyclictest0-21swapper/109:40:261
23573992514,3cyclictest0-21swapper/107:20:001
2357399251,18cyclictest0-21swapper/109:48:581
2357399251,17cyclictest19141-21kworker/u8:211:03:111
2357399251,16cyclictest29499-21kworker/u8:009:56:411
2357399251,16cyclictest0-21swapper/111:25:021
2357399251,15cyclictest0-21swapper/107:36:121
2357399251,14cyclictest12274-21diskmemload09:26:311
2357399251,12cyclictest30049-21memory12:15:181
2357399251,12cyclictest24669-21perl10:50:141
2357399251,11cyclictest28297-21basename11:00:011
2357399251,10cyclictest569-21turbostat.cron07:30:011
2357399251,10cyclictest0-21swapper/112:30:171
2357399250,5cyclictest29499-21kworker/u8:010:10:191
2357399250,16cyclictest8586-21kworker/u8:110:39:481
2356599252,10cyclictest30487-21kworker/0:007:23:350
2358399248,3cyclictest0-21swapper/308:57:423
2358399245,9cyclictest0-21swapper/309:20:313
2358399242,16cyclictest0-21swapper/311:28:323
2358399241,10cyclictest0-21swapper/307:22:253
2358399240,16cyclictest24311-21kworker/u8:312:36:363
2358399240,16cyclictest0-21swapper/312:32:213
2357799242,20cyclictest0-21swapper/212:21:112
2357399249,3cyclictest32402-21ntp_states12:20:211
2357399248,8cyclictest32587-21kworker/u8:009:10:011
2357399242,3cyclictest0-21swapper/109:50:161
2357399241,5cyclictest0-21swapper/109:32:141
2357399241,16cyclictest29499-21kworker/u8:010:02:321
2357399241,15cyclictest0-21swapper/108:23:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional