You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-30 - 20:49

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 #9, 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.
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 376 highest latencies:
System rack9slot4s (updated Sat May 30, 2026 12:59:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17589912261193,29cyclictest3759-21ls07:29:591
14672647600,33sleep00-21swapper/007:22:350
13262562518,29sleep10-21swapper/107:21:061
175799213188,18cyclictest3739-21pidof07:30:000
2156521060,7sleep1175899cyclictest09:40:121
211202870,9sleep1175899cyclictest11:05:131
12782470,5sleep1201rcuc/108:45:221
176332400,2sleep017629-21tune2fs10:55:170
175799399,13cyclictest27567-21if_eth009:55:190
1757993813,7cyclictest20307-21ntp_states09:35:250
1757993723,10cyclictest13227-21vmstat09:15:320
175799371,16cyclictest23169-21taskset11:10:120
175799371,13cyclictest12079-21ntp_states12:05:230
210112361,30sleep021119-21tr11:05:130
175799361,6cyclictest9155-21ntp_kernel_err07:40:220
175799352,15cyclictest16533-21/usr/sbin/munin10:50:300
174942351,31sleep117497-21irqstats12:20:201
175799349,7cyclictest32049-21taskset11:34:140
175799342,14cyclictest0-21swapper/008:31:050
1757993414,16cyclictest0-21swapper/007:51:390
42842331,4sleep14436-21hddtemp_smartct07:30:051
1758993323,7cyclictest27491-21fw_packets09:55:161
175799331,15cyclictest823-21latency10:10:220
175799331,15cyclictest7715-21expr11:55:110
175799331,14cyclictest2088-21/usr/sbin/munin10:15:110
175799331,13cyclictest7323-21latency_hist11:55:010
175799331,12cyclictest19662-21runrttasks08:09:560
174702330,5sleep0111rcuc/012:20:180
250072321,27sleep125046-21df_inode11:15:131
223112321,4sleep122394-21memory08:15:211
214272321,5sleep021562-21cpuspeed_turbos09:40:110
175799325,23cyclictest0-21swapper/009:21:470
175799323,12cyclictest0-21swapper/009:45:490
175799321,22cyclictest0-21swapper/008:48:270
175799321,19cyclictest32260-21taskset10:07:400
175799321,14cyclictest29553-21seq12:51:170
175799321,14cyclictest12013-21taskset07:48:360
175799321,12cyclictest26150-21swap09:50:280
1757993211,16cyclictest95942chrt09:06:450
11192321,5sleep10-21swapper/111:35:401
268182311,26sleep126938-21df11:20:131
175799319,5cyclictest10629-21if_err_eth009:10:190
175799319,4cyclictest20374-21taskset12:28:530
175799313,6cyclictest0-21swapper/010:40:390
175799311,17cyclictest0-21swapper/008:27:080
175799311,13cyclictest8971-21timerwakeupswit10:30:260
175799311,13cyclictest15475-21fschecks_time12:15:160
165102311,5sleep10-21swapper/112:17:551
158322311,5sleep115859-21hddtemp_smartct10:50:171
87722301,5sleep10-21swapper/111:55:431
70182301,5sleep10-21swapper/111:51:591
52242301,5sleep00-21swapper/011:47:500
244132301,5sleep10-21swapper/112:40:081
1758993018,7cyclictest11540-21sort07:45:291
1758993017,7cyclictest10013-21diskstats10:35:161
175799304,6cyclictest0-21swapper/007:35:200
175799302,8cyclictest0-21swapper/009:00:390
175799301,13cyclictest26389-21aten_r4power_po12:45:110
175799301,12cyclictest19158-21wget11:00:100
175799301,11cyclictest20340-21http_loadtime08:10:170
153482301,5sleep10-21swapper/109:22:451
117512301,5sleep10-21swapper/109:14:371
57702291,5sleep00-21swapper/010:24:430
3242291,5sleep10-21swapper/108:44:331
302782291,5sleep10-21swapper/110:01:341
301792291,5sleep10-21swapper/111:29:191
290602291,4sleep10-21swapper/108:34:581
220872291,5sleep10-21swapper/112:32:111
1758992916,7cyclictest13722-21iostat_ios12:10:191
175799297,5cyclictest17848-21cat09:30:130
175799294,15cyclictest0-21swapper/007:34:170
175799294,11cyclictest0-21swapper/012:36:040
175799293,6cyclictest11181-21chrt10:37:250
175799293,19cyclictest31817-21memory08:40:220
175799293,11cyclictest0-21swapper/008:39:200
175799292,23cyclictest16919-21ntp_states08:00:260
175799292,22cyclictest15020-21ntp_states07:55:260
175799291,6cyclictest0-21swapper/012:02:540
175799291,15cyclictest0-21swapper/008:52:030
175799291,12cyclictest15886-21egrep09:25:120
156982291,5sleep10-21swapper/107:57:571
147082291,5sleep00-21swapper/012:13:420
137462291,5sleep10-21swapper/107:52:081
110712291,5sleep10-21swapper/112:04:561
8432281,23sleep1894-21sed10:10:221
78972281,5sleep10-21swapper/107:37:051
57322281,5sleep10-21swapper/108:55:511
320732281,5sleep10-21swapper/110:05:441
299982281,5sleep00-21swapper/011:27:250
281732281,5sleep00-21swapper/011:22:580
245832281,5sleep10-21swapper/109:46:021
242602281,5sleep10-21swapper/111:11:321
219362281,5sleep00-21swapper/012:30:360
214302281,5sleep10-21swapper/108:13:511
208612281,5sleep10-21swapper/109:36:351
206192281,5sleep10-21swapper/111:02:411
201322281,5sleep10-21swapper/112:26:211
175899288,15cyclictest194662chrt08:07:541
1758992819,5cyclictest6340-21aten_r4power_cu09:00:091
1758992819,5cyclictest12391-21fschecks_time09:15:171
1758992815,7cyclictest26619-21diskstats12:45:151
1758992814,5cyclictest22-21ksoftirqd/108:54:141
175899281,23cyclictest18932-21cron09:31:001
175799283,7cyclictest6258-21diskstats10:25:140
175799283,22cyclictest0-21swapper/011:42:490
175799282,19cyclictest4501-21wget08:55:100
175799281,5cyclictest0-21swapper/011:35:280
170962281,5sleep10-21swapper/109:26:251
149702281,5sleep00-21swapper/010:47:360
133162281,5sleep10-21swapper/110:44:571
128772281,5sleep10-21swapper/112:09:091
98892271,4sleep10-21swapper/109:09:531
91182271,4sleep10-21swapper/110:30:311
50932271,5sleep10-21swapper/111:46:291
38902271,5sleep10-21swapper/110:19:541
31762271,4sleep10-21swapper/111:41:071
304052271,5sleep10-21swapper/111:30:071
242962271,5sleep00-21swapper/008:20:230
242552271,5sleep10-21swapper/108:20:221
175899272,21cyclictest29979-21sed08:35:211
175799271,21cyclictest25076-21/usr/sbin/munin12:40:210
175799271,20cyclictest111rcuc/011:15:230
175799271,11cyclictest0-21swapper/010:02:500
175799271,11cyclictest0-21swapper/008:15:080
175662271,5sleep10-21swapper/108:02:391
175899262,12cyclictest0-21swapper/107:42:351
1758992617,5cyclictest14206-21wc10:45:221
1758992617,4cyclictest4734-21cat10:20:231
1758992615,6cyclictest6914-21wc10:25:271
175899242,19cyclictest17437-21cpuspeed_turbos10:55:131
1758992414,6cyclictest2695-21snmpd12:50:291
1758992414,6cyclictest25220-21cut09:50:121
1758992414,6cyclictest22689-21tr12:35:111
1758992414,5cyclictest25481-21/usr/sbin/munin08:25:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional