You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-28 - 22:15

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 #7, slot #7

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 rack7slot7s.osadl.org (updated Tue Jul 28, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1312229971,9sleep00-21swapper/007:06:180
1312529480,10sleep30-21swapper/307:06:203
1330929178,9sleep20-21swapper/207:08:452
1317028966,6sleep10-21swapper/107:06:551
1350299331,2cyclictest2987-21dump-pmu-power10:45:011
1350299290,2cyclictest0-21swapper/111:58:481
1350299284,23cyclictest6084-21diskmemload10:20:561
1350299283,21cyclictest225-21systemd-journal08:25:001
1350299271,7cyclictest6084-21diskmemload11:26:591
1350299271,1cyclictest6084-21diskmemload11:45:261
1349999270,27cyclictest0-21swapper/012:05:430
1350299264,21cyclictest32373-21munin-run12:20:011
1350299260,2cyclictest0-21swapper/111:44:021
1350299260,25cyclictest0-21swapper/112:20:121
1350299260,25cyclictest0-21swapper/110:02:381
1350299260,25cyclictest0-21swapper/107:45:121
1350299260,1cyclictest0-21swapper/109:46:241
1349999260,24cyclictest0-21swapper/012:22:140
1350299251,23cyclictest14907-21ssh09:15:111
1350299250,24cyclictest0-21swapper/112:25:141
1350299250,24cyclictest0-21swapper/110:55:141
1350899241,22cyclictest0-21swapper/307:10:133
1350299243,19cyclictest6084-21diskmemload10:54:401
1350299241,1cyclictest6084-21diskmemload10:45:131
1350299240,2cyclictest6084-21diskmemload11:36:161
1350299240,1cyclictest0-21swapper/109:12:541
1350299235,8cyclictest0-21swapper/108:10:131
1350299235,17cyclictest6084-21diskmemload11:51:021
1350299232,20cyclictest17255-21needreboot09:35:221
1350299231,1cyclictest6084-21diskmemload09:28:191
1350299230,22cyclictest0-21swapper/112:35:151
1350299230,1cyclictest0-21swapper/112:33:191
1350299230,1cyclictest0-21swapper/112:11:421
1350299230,1cyclictest0-21swapper/109:33:251
1349999230,3cyclictest0-21swapper/011:18:500
1350299222,19cyclictest6084-21diskmemload10:17:551
1350299222,19cyclictest0-21swapper/109:55:231
1350299221,20cyclictest0-21swapper/108:50:141
1350299221,1cyclictest6084-21diskmemload11:06:441
1349999220,2cyclictest0-21swapper/011:49:190
1350599210,20cyclictest0-21swapper/210:18:022
1350299213,15cyclictest6084-21diskmemload10:39:371
1350299213,15cyclictest6084-21diskmemload10:39:361
13502992116,4cyclictest38150irq/131-snd_hda10:25:131
1350299211,17cyclictest2069-21kworker/1:111:30:211
1350299210,2cyclictest0-21swapper/109:43:021
1350299210,20cyclictest0-21swapper/109:52:151
1350299210,1cyclictest0-21swapper/112:05:051
1350299210,1cyclictest0-21swapper/111:24:561
13499992120,1cyclictest0-21swapper/012:33:580
1350299201,1cyclictest6084-21diskmemload10:34:371
1350299201,18cyclictest6084-21diskmemload10:10:061
1350299200,1cyclictest0-21swapper/111:14:351
1350299200,0cyclictest0-21swapper/112:03:131
13499992016,2cyclictest0-21swapper/010:08:210
123982200,0sleep20-21swapper/209:51:472
13508991918,1cyclictest0-21swapper/312:34:033
1350599190,1cyclictest0-21swapper/209:58:242
1350299192,16cyclictest0-21swapper/108:05:191
1350299191,1cyclictest13820-21grep08:15:281
1350299190,2cyclictest0-21swapper/111:00:131
1350299190,18cyclictest0-21swapper/111:17:391
1350899188,9cyclictest1142-21runrttasks09:16:563
1350599180,1cyclictest0-21swapper/212:38:122
1350299180,1cyclictest0-21swapper/110:06:071
1350299180,1cyclictest0-21swapper/109:05:181
1350299180,1cyclictest0-21swapper/107:40:141
1350299180,16cyclictest0-21swapper/109:21:581
1349999185,7cyclictest7336-21awk12:05:000
1349999181,11cyclictest0-21swapper/008:40:150
1349999180,2cyclictest0-21swapper/010:44:570
1349999180,1cyclictest0-21swapper/010:02:470
13508991715,1cyclictest39-21ksoftirqd/311:44:353
1350299171,4cyclictest1-21systemd07:30:481
1350299169,6cyclictest6841-21tail08:00:251
1350299169,6cyclictest18244-21systemctl07:20:011
1350299167,7cyclictest3924-21tr07:55:201
1350299161,1cyclictest0-21swapper/107:25:221
1350299160,1cyclictest0-21swapper/107:20:131
1350299160,15cyclictest0-21swapper/108:35:211
1349999160,16cyclictest0-21swapper/009:38:180
13505991514,1cyclictest0-21swapper/210:51:042
13505991511,3cyclictest55650irq/127-enp2s0-12:03:292
1350599150,3cyclictest141rcu_preempt09:43:362
1350299158,6cyclictest27738-21chrt07:39:231
1350299158,6cyclictest14711-21wc07:10:171
1349999151,7cyclictest20924-21munin-run11:14:590
1349999150,12cyclictest0-21swapper/007:15:140
1350899149,2cyclictest1142-21runrttasks10:34:233
1350899142,12cyclictest0-21swapper/311:56:283
13508991410,3cyclictest10612-21sed09:50:263
1350899140,4cyclictest0-21swapper/309:22:533
13505991411,2cyclictest17349-21grep08:25:152
13505991411,2cyclictest1063-21wc09:25:272
13505991410,3cyclictest9107-21grep12:05:212
13505991410,3cyclictest7279-21cron08:05:002
1350299142,11cyclictest0-21swapper/108:55:201
1350299140,2cyclictest0-21swapper/107:50:271
1349999141,7cyclictest5175-21apt-get11:24:590
13499991414,0cyclictest0-21swapper/010:18:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional