You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-13 - 23:28
OSADL QA Farm

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 system in rack #3, slot #4

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
Characteristics of the 100 highest latencies:
System rack3slot4.osadl.org (updated Thu Aug 13, 2026 12:46:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)		T*(,W**)
latency
(µs)		CmdPIDPrioCmd
2128713991192,86cyclictest2373328-21ntpq11:40:320
21287139910869,27cyclictest67450irq/528-eth0-Tx10:07:270
2128713991071,15cyclictest2301564-21ssh10:45:410
2128713991041,89cyclictest2331523-21ssh11:09:010
2128713991031,84cyclictest2432615-21/usr/sbin/munin12:25:420
2128713991021,83cyclictest0-21swapper/009:55:290
21287139910165,23cyclictest67350irq/527-eth0-Tx11:04:510
21287139910115,76cyclictest15-21rcuc/010:20:010
21287169910087,6cyclictest2178492-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork		09:30:471
2128713999986,7cyclictest2150706-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork		08:05:320
212871399992,81cyclictest2281012-21diskstats10:30:210
212871399991,83cyclictest2157119-21cut08:20:000
212871399991,66cyclictest0-21swapper/009:55:010
212871399991,17cyclictest2246074-21ssh10:03:450
2128713999863,26cyclictest67350irq/527-eth0-Tx07:55:230
212871399982,78cyclictest2270483-21seq10:21:570
212871399982,78cyclictest2270483-21seq10:21:560
212871399981,77cyclictest0-21swapper/012:30:240
2128713999765,23cyclictest67550irq/529-eth0-Tx10:50:070
2128713999765,23cyclictest67550irq/529-eth0-Tx10:50:060
2128713999765,22cyclictest67450irq/528-eth0-Tx09:10:060
2128713999757,30cyclictest67350irq/527-eth0-Tx12:21:370
2128713999755,30cyclictest67350irq/527-eth0-Tx11:46:210
212871399973,77cyclictest0-21swapper/009:35:440
212871399973,77cyclictest0-21swapper/009:35:430
212871399972,82cyclictest2128923-21/usr/sbin/munin07:10:370
2128716999682,7cyclictest2130552-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork		07:20:141
212871399962,78cyclictest2386633-21ntpq11:50:390
212871399962,13cyclictest2414825-21ssh12:12:130
212871399961,85cyclictest0-21swapper/007:17:470
212871399961,85cyclictest0-21swapper/007:17:470
2128713999571,5cyclictest0-21swapper/007:50:120
2128713999563,22cyclictest67350irq/527-eth0-Tx12:02:470
2128713999563,22cyclictest67350irq/527-eth0-Tx12:02:470
212871399951,76cyclictest2120437-21kworker/u12:1+flush-179:96@
wb_workfn		07:25:360
212871399951,74cyclictest0-21swapper/009:40:170
212871399951,74cyclictest0-21swapper/009:40:170
2128713999461,22cyclictest67350irq/527-eth0-Tx07:40:390
2128713999461,22cyclictest67350irq/527-eth0-Tx07:40:380
212871399942,74cyclictest2161919-21sed08:30:240
212871399941,74cyclictest2313435-21/usr/sbin/munin10:55:170
2128713999327,55cyclictest67350irq/527-eth0-Tx11:55:410
2128713999325,29cyclictest2255488-21ssh10:10:360
212871399931,80cyclictest2353376-21load11:25:250
212871399931,80cyclictest2353376-21load11:25:250
212871399931,76cyclictest2159888-21expr08:25:220
212871399922,74cyclictest2173632-21aten2_r3power_p09:00:190
212871399913,72cyclictest2221601-21/usr/sbin/munin09:45:420
212871399913,72cyclictest2221601-21/usr/sbin/munin09:45:410
212871399911,74cyclictest0-21swapper/009:35:010
212871399911,17cyclictest2133912-21uname07:20:370
212871399901,83cyclictest67350irq/527-eth0-Tx11:15:280
2128713998975,4cyclictest67450irq/528-eth0-Tx09:05:150
2128713998948,24cyclictest67450irq/528-eth0-Tx11:10:210
212871399892,13cyclictest2366924-21ntpq11:35:370
212871399891,74cyclictest0-21swapper/008:55:460
212871399891,68cyclictest0-21swapper/008:10:120
212871399882,6cyclictest2169780-21df_inode08:50:170
212871399882,6cyclictest2169780-21df_inode08:50:170
2128713998748,27cyclictest67350irq/527-eth0-Tx09:24:440
212871399871,15cyclictest2297590-21ssh10:42:490
212871399867,63cyclictest67450irq/528-eth0-Tx11:20:350
2128713998658,16cyclictest67350irq/527-eth0-Tx10:26:250
212871399862,9cyclictest2139887-21ntpq07:35:260
212871399862,16cyclictest2168276-21ntp_states08:45:340
212871399862,15cyclictest2158132-21ntpq08:20:310
212871399862,15cyclictest2158132-21ntpq08:20:300
212871399861,80cyclictest2183053-21missed_timers09:15:250
212871399861,71cyclictest0-21swapper/010:35:200
2128713998615,65cyclictest14250irq/98-imx_mu_c07:45:360
212871399854,62cyclictest2405674-21latency12:05:230
212871399854,62cyclictest2405674-21latency12:05:230
212871399852,16cyclictest2445985-21chrt12:35:450
212871399852,16cyclictest2445985-21chrt12:35:440
212871399851,14cyclictest2149366-21apt-get08:00:120
212871399841,60cyclictest0-21swapper/012:15:150
212871399821,66cyclictest0-21swapper/008:35:140
212871399821,66cyclictest0-21swapper/008:35:140
212871399821,58cyclictest0-21swapper/011:30:320
2128716998165,8cyclictest2264821-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork		10:40:291
2128716998067,6cyclictest2214990-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork		10:10:511
2128713998069,3cyclictest0-21swapper/007:34:440
2128713998069,3cyclictest0-21swapper/007:34:440
212871399801,15cyclictest2199332-21ssh09:27:490
2128731997763,8cyclictest2341757-21ssh11:16:074
2128722997661,7cyclictest2162860-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork		08:45:432
2128736997568,3cyclictest0-21swapper/510:49:095
2128731997562,7cyclictest2180716-21diskmemload-412:15:254
2128716997461,6cyclictest2214990-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork		10:30:581
212871399732,15cyclictest2165408-21/usr/sbin/munin08:40:210
2128726997260,6cyclictest2243388-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork		10:15:523
2128726997260,6cyclictest2171625-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork		09:10:473
2128716997261,5cyclictest2214990-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork		12:06:121
2128716997261,5cyclictest2214990-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork		12:06:121
23886222710,4sleep10-21swapper/111:52:081
22769492710,4chrt2180716-21diskmemload-410:26:524
2128736997166,2cyclictest0-21swapper/510:07:275
2128716996956,6cyclictest2214990-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork		11:26:101
2128716996956,6cyclictest2214990-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork		11:26:091
2128716996956,6cyclictest2214990-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork		10:51:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional