You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-29 - 10:09

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 #2, 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.

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 792 highest latencies:
System rack2slot7s.osadl.org (updated Sun Dec 28, 2025 19:55:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
682395998670,9cyclictest1485049-21sort18:09:552
682395998670,9cyclictest1485049-21sort18:09:552
682393996451,9cyclictest988005-21fstime17:57:000
682395995733,14cyclictest1502780-21multi.sh18:10:362
682395995733,14cyclictest1502780-21multi.sh18:10:362
682394995747,6cyclictest962030-21sort17:42:431
682394995649,4cyclictest0-21swapper/117:49:481
682395995445,5cyclictest939170-21sh17:41:452
682393995347,4cyclictest848612-21spawn17:34:530
682393995347,4cyclictest848612-21spawn17:34:530
682394995241,5cyclictest0-21swapper/117:39:471
682393995231,17cyclictest0-21swapper/017:39:500
682395995039,6cyclictest984995-21execl17:49:522
682395994917,12cyclictest1127433-21spawn18:03:292
682393994941,5cyclictest1506580-21sort18:10:440
682393994941,5cyclictest1506580-21sort18:10:440
682393994836,9cyclictest1483063-21sh18:09:460
682393994836,9cyclictest1483063-21sh18:09:460
682394994738,5cyclictest1446542-21sh18:08:201
682394994738,5cyclictest1446542-21sh18:08:201
682393994731,13cyclictest12450irq/32-eth017:49:560
682394994637,5cyclictest1562263-21multi.sh18:12:561
682394994637,5cyclictest1562263-21multi.sh18:12:561
682393994638,5cyclictest989759-21Run18:01:210
682393994635,8cyclictest1566747-21systemd-run18:20:010
682393994635,8cyclictest1566747-21systemd-run18:20:010
682395994537,4cyclictest0-21swapper/217:39:522
682395994417,9cyclictest754345-21spawn17:34:022
682395994417,9cyclictest754345-21spawn17:34:022
682395994334,5cyclictest690077-21cron17:30:012
682393994334,7cyclictest927122-21sh17:41:120
682395994233,6cyclictest682398-21systemd-run17:05:012
682395993915,9cyclictest687247-21execl17:20:412
682395993915,7cyclictest683152-21cat17:09:412
682395993831,4cyclictest0-21swapper/218:34:482
682395993830,5cyclictest988104-21pipe17:59:202
682395993827,5cyclictest1571953-21ntpq18:39:472
682394993829,7cyclictest753347-21spawn17:34:111
682394993829,7cyclictest753347-21spawn17:34:111
682394993829,6cyclictest1568214-21latency_hist18:25:011
682395993717,12cyclictest0-21swapper/217:54:462
682394993727,7cyclictest989803-21Run18:01:471
682393993730,4cyclictest685426-21latency_hist17:15:040
68239399370,32cyclictest689482-21pipe17:29:490
68239599364,27cyclictest686538-21sleep17:19:542
682395993623,8cyclictest1566207-21ntpq18:19:512
682395993623,8cyclictest1566207-21ntpq18:19:512
682394993629,3cyclictest0-21swapper/117:56:171
682395993529,3cyclictest0-21swapper/217:15:012
682395993521,9cyclictest1569059-21ntpq18:29:492
682395993422,7cyclictest1567602-21ntpq18:24:462
682394993423,8cyclictest1566105-21ntp_kernel_err18:19:471
682394993423,8cyclictest1566105-21ntp_kernel_err18:19:471
682393993421,10cyclictest0-21swapper/017:55:010
682394993327,3cyclictest0-21swapper/117:50:591
68239499323,26cyclictest687324-21fstime17:24:501
682393993223,6cyclictest12450irq/32-eth017:24:530
682393993219,6cyclictest171rcu_preempt18:29:500
682393993117,11cyclictest0-21swapper/018:39:410
682393993015,3cyclictest171rcu_preempt18:34:500
682394992923,3cyclictest0-21swapper/117:20:001
682394992920,6cyclictest690099-21systemd-run17:30:011
682394992920,6cyclictest3560224-21cups-browsed17:14:501
682394992822,3cyclictest0-21swapper/118:35:011
682394992819,6cyclictest1-21systemd18:30:021
68239399263,14cyclictest577-21mta-sts-daemon17:09:440
682394992517,5cyclictest1571655-21gltestperf18:39:421
682393992520,2cyclictest0-21swapper/017:19:430
682393992516,6cyclictest12450irq/32-eth017:05:010
68239699241,3cyclictest0-21swapper/317:49:493
682394992416,5cyclictest683136-21missed_timers17:09:401
682394992415,5cyclictest674432-21kworker/u8:4+xprtiod17:05:011
682393992414,7cyclictest369-21systemd-journal18:20:020
68239699233,15cyclictest0-21swapper/318:04:503
68239699221,4cyclictest0-21swapper/317:34:533
68239699221,4cyclictest0-21swapper/317:34:533
68239699221,3cyclictest0-21swapper/317:54:493
68239699221,16cyclictest0-21swapper/317:09:483
68239699220,2cyclictest0-21swapper/318:39:473
68239699220,2cyclictest0-21swapper/318:29:493
68239699212,13cyclictest0-21swapper/317:29:473
68239699211,4cyclictest0-21swapper/318:10:173
68239699211,4cyclictest0-21swapper/318:10:173
68239699211,4cyclictest0-21swapper/317:40:473
68239699211,4cyclictest0-21swapper/317:24:493
68239699211,3cyclictest0-21swapper/318:34:473
68239699211,3cyclictest0-21swapper/318:19:503
68239699211,3cyclictest0-21swapper/318:19:503
68239699211,3cyclictest0-21swapper/318:09:513
68239699211,3cyclictest0-21swapper/318:09:513
68239699211,15cyclictest0-21swapper/317:59:483
68239699211,14cyclictest0-21swapper/317:14:493
68239699210,3cyclictest0-21swapper/318:24:463
68239699201,4cyclictest0-21swapper/317:39:483
68239699201,3cyclictest0-21swapper/317:19:493
68239699201,3cyclictest0-21swapper/317:05:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional