You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-10 - 16:35

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 #f, 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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackfslot4s.osadl.org (updated Mon Aug 10, 2026 12:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1561721230,3chrt15618-21/usr/sbin/munin10:45:320
184121210,3chrt1842-21/usr/sbin/munin08:46:240
1013221200,2chrt10108-21ntpq10:36:330
3258221190,3chrt32580-21ntpq10:21:460
2629521190,2sleep026306-21chrt10:12:240
1668521190,2chrt16684-21/usr/sbin/munin07:25:490
1814521170,3chrt18141-21ntpq09:11:420
411521140,2chrt4116-21seq10:27:530
1770121130,2chrt17699-21ntpq11:36:540
427021120,2chrt4269-21seq08:50:140
2617721110,2chrt26178-21sleep09:24:060
239521110,2chrt2396-21sleep11:14:220
970721100,3chrt9708-21chrt07:15:250
2628321100,2sleep026284-21chrt12:38:450
1278421050,2chrt12785-21runrttasks12:18:340
2062821010,2chrt20629-21sleep08:24:350
2134621000,2sleep021348-21hddtemp_smartct12:31:400
63742960,2sleep06376-21cut10:31:050
298402950,2sleep029838-21df11:55:400
35852940,1sleep03586-21seq09:38:450
226372920,3sleep022638-21seq11:45:020
220572890,2sleep022058-21ls09:17:280
47132880,1sleep04714-21seq11:17:150
95962830,2sleep09598-21chrt12:13:520
141392800,2sleep014137-21fschecks_count12:20:510
116162790,2sleep011617-21aten2.4_rfpower08:10:250
318282760,2sleep031829-21sh09:32:160
144852760,2sleep014486-21seq10:43:140
93852750,3sleep09384-21date07:15:030
146812750,2sleep014682-21grep11:32:170
116892750,2sleep011690-21seq09:50:580
123182730,2sleep012319-21seq11:29:160
91062710,1sleep09108-21cut08:06:280
222212700,2sleep022222-21sh10:06:150
108872690,2sleep010888-21ls09:50:040
74352680,1sleep07436-21chrt08:55:240
17962680,1sleep01797-21ssh12:01:460
278382670,2sleep027839-21chrt09:26:120
283512650,2sleep028352-21hostname07:45:230
60892630,1sleep06099-21seq08:00:580
221212593,7sleep022130-21chrt08:26:030
93122584,45sleep09334-21seq11:25:000
293332580,1sleep029334-21date11:55:040
200522580,1sleep020054-21chrt12:30:010
305572575,43sleep030593-21wc11:07:180
309592552,42sleep031020-21latency_hist10:20:060
182062553,43sleep018209-21seq10:00:480
6238905321,24cyclictest0-21swapper09:05:390
18992513,9sleep01902-21seq07:55:150
6238905020,22cyclictest0-21swapper11:02:590
171982490,2sleep017197-21seq09:59:170
6238904818,22cyclictest0-21swapper11:47:330
6238904816,24cyclictest0-21swapper08:40:400
425324811,20sleep04255-21ntpq07:05:430
232852483,38sleep023289-21ntpq10:56:210
66512473,36sleep06655-21sleep09:43:030
193422463,35sleep019374-21if_can007:30:390
6238904518,19cyclictest0-21swapper10:53:310
315612450,3chrt31562-21runrttasks07:50:260
6238904418,19cyclictest5745-21sh12:07:360
6238904417,9cyclictest10628-21telnet09:00:250
136152440,1sleep013617-21wc07:20:500
623890434,11cyclictest28145-21memory08:35:480
6238904216,16cyclictest24074-21apt-get08:30:170
623890394,9cyclictest25997-21memory07:40:470
623890394,16cyclictest14862-21df_inode08:15:280
623890386,12cyclictest22265-21df_inode07:35:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional