You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-27 - 04:23

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 Jun 27, 2026 00:59:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3719911971157,36cyclictest2225-21dbus-daemon21:55:300
3729911901160,26cyclictest15714-21users20:00:311
3729911641144,16cyclictest1274-21strings19:25:241
324582678633,31sleep00-21swapper/019:21:330
324582678633,31sleep00-21swapper/019:21:330
326102466398,53sleep10-21swapper/119:23:101
326102466398,53sleep10-21swapper/119:23:101
37299212203,6cyclictest0-21swapper/121:55:311
37199124115,6cyclictest0-21swapper/020:00:310
37199113103,7cyclictest0-21swapper/019:25:230
136672780,3sleep0111rcuc/000:15:130
112512600,8sleep037199cyclictest21:15:260
131472570,7sleep037199cyclictest22:45:300
201432481,35sleep120300-21ls20:15:121
119742480,9sleep037199cyclictest00:10:160
299822430,8sleep037199cyclictest22:05:250
277602430,8sleep037199cyclictest22:00:160
203722430,8sleep037199cyclictest20:15:140
37199388,13cyclictest26247-21seq00:48:160
71302370,8sleep037199cyclictest23:55:300
37299351,12cyclictest11097-21fschecks_time19:50:161
97992345,25sleep10-21swapper/122:39:571
372993417,14cyclictest22-21ksoftirqd/123:35:261
371993416,5cyclictest24870-21sendmail23:20:000
37199341,29cyclictest15996-21aten_r4power_cu21:30:100
293092341,4sleep029354-21idleruntime-cro20:40:010
372993317,13cyclictest22-21ksoftirqd/120:40:191
37199331,21cyclictest0-21swapper/020:22:090
37199331,14cyclictest20750-21/usr/sbin/munin00:35:010
203662331,28sleep020417-21swap23:05:270
37299325,4cyclictest81rcu_preempt22:44:061
371993213,6cyclictest18689-21ntp_states21:35:260
37299311,17cyclictest7279-21ls22:30:271
37199312,13cyclictest24092-21iostat_ios21:50:190
37199312,13cyclictest11648-21mailstats19:50:250
371993112,6cyclictest3333-21/usr/sbin/munin20:55:170
371993112,6cyclictest16441-21ntp_states22:55:220
37199311,15cyclictest18255-21needreboot23:00:230
255472311,5sleep10-21swapper/120:29:541
145762311,5sleep10-21swapper/122:50:251
81352301,5sleep10-21swapper/121:08:331
56602301,5sleep10-21swapper/123:54:431
372993021,6cyclictest6319-21perl23:55:151
372993010,5cyclictest16550-21vmstat00:20:291
37199302,14cyclictest3286-21runrttasks22:37:160
37199302,14cyclictest14429-21memory22:50:210
304902301,5sleep00-21swapper/023:34:550
267452301,5sleep10-21swapper/123:24:591
263142301,25sleep126321-21iostat_ios20:30:201
15842301,5sleep10-21swapper/123:42:291
141042301,4sleep014182-21aten_r4power_po21:25:130
99812291,5sleep10-21swapper/121:13:091
84232291,5sleep10-21swapper/119:42:461
75682291,5sleep00-21swapper/022:31:150
59762291,5sleep10-21swapper/122:29:111
5512291,5sleep00-21swapper/020:49:140
37299293,23cyclictest133-21jbd2/sda2-823:45:141
37299292,6cyclictest0-21swapper/119:35:121
37299292,23cyclictest9653-21wget00:05:111
37299291,6cyclictest81rcu_preempt21:31:211
37299291,4cyclictest81rcu_preempt22:10:121
37299291,4cyclictest81rcu_preempt20:37:521
37299291,4cyclictest81rcu_preempt00:17:311
37199299,6cyclictest12510-21df21:20:120
37199292,13cyclictest9635-21ntp_states19:45:250
37199292,13cyclictest20238-21hddtemp_smartct21:40:170
37199292,13cyclictest20238-21hddtemp_smartct21:40:170
37199291,9cyclictest0-21swapper/020:30:120
37199291,5cyclictest81rcu_preempt22:41:540
37199291,4cyclictest81rcu_preempt21:04:040
37199291,4cyclictest81rcu_preempt19:58:240
37199291,4cyclictest81rcu_preempt00:42:070
371992911,6cyclictest22098-21ntp_states23:10:250
261522291,5sleep10-21swapper/100:47:171
22012291,5sleep10-21swapper/120:51:401
20542291,5sleep10-21swapper/122:18:441
118452291,5sleep10-21swapper/121:18:001
37299285,8cyclictest11799-21diskstats00:10:141
37299285,4cyclictest81rcu_preempt21:26:471
37299285,4cyclictest81rcu_preempt00:33:261
37299285,3cyclictest81rcu_preempt22:45:331
37299283,4cyclictest81rcu_preempt00:43:101
37199289,5cyclictest18331-21sed00:25:300
37199288,5cyclictest21013-21cpu00:35:100
37199286,5cyclictest81rcu_preempt00:00:280
37199283,13cyclictest0-21swapper/022:15:250
37199282,13cyclictest9922-21diskstats00:05:150
37199281,4cyclictest81rcu_preempt23:38:390
37199281,4cyclictest81rcu_preempt00:20:530
37199281,16cyclictest17592-21vmstat20:05:300
37199281,16cyclictest17592-21vmstat20:05:290
37199281,14cyclictest27931-21python23:25:290
37199281,14cyclictest22126-21/usr/sbin/munin21:45:170
37199281,14cyclictest1993-21grep20:50:280
37199281,13cyclictest4794-21awk23:50:230
371992810,5cyclictest2680-21diskstats22:20:140
36342281,5sleep00-21swapper/023:48:070
303382281,5sleep10-21swapper/123:33:191
283952281,5sleep10-21swapper/123:27:361
282202281,5sleep00-21swapper/000:54:100
254472281,5sleep00-21swapper/020:28:510
234482281,5sleep10-21swapper/120:22:321
231542281,5sleep10-21swapper/121:48:081
205812281,4sleep120605-21open_inodes21:40:261
205812281,4sleep120605-21open_inodes21:40:261
196072281,5sleep10-21swapper/120:11:501
191422281,5sleep10-21swapper/121:35:371
103752281,5sleep10-21swapper/119:48:331
100702281,5sleep00-21swapper/021:14:040
86152271,4sleep18723-21grep00:00:261
41752271,5sleep10-21swapper/120:56:361
37299274,4cyclictest81rcu_preempt19:55:021
37299273,4cyclictest81rcu_preempt21:22:451
37299273,3cyclictest81rcu_preempt21:01:221
37299273,18cyclictest24096-21iostat_ios21:50:201
37299272,11cyclictest17752-21iostat_ios00:25:211
372992718,5cyclictest3663-21grep22:20:291
37299271,14cyclictest31860-21hddtemp_smartct20:45:151
37199279,6cyclictest358-21expr23:40:100
37199272,4cyclictest81rcu_preempt22:11:280
371992717,6cyclictest3161-21cut19:30:110
37199271,18cyclictest0-21swapper/021:08:120
37199271,13cyclictest26055-21python23:20:270
306162271,5sleep10-21swapper/122:07:281
225802271,5sleep10-21swapper/123:10:551
210272271,5sleep10-21swapper/123:09:151
189972271,5sleep10-21swapper/123:02:381
177302271,5sleep10-21swapper/120:06:491
177302271,5sleep10-21swapper/120:06:491
171432271,5sleep10-21swapper/122:58:021
44212261,4sleep10-21swapper/119:30:301
37299262,10cyclictest27928-21/usr/sbin/munin22:00:201
37299261,3cyclictest81rcu_preempt23:16:511
37199261,16cyclictest0-21swapper/022:25:370
371992610,4cyclictest0-21swapper/019:35:120
224152261,7sleep10-21swapper/100:37:591
37299251,20cyclictest27178-21iostat00:50:171
37199252,17cyclictest7223-21diskstats19:40:140
37199251,11cyclictest30349-21/usr/sbin/munin20:40:260
198642251,3sleep00-21swapper/020:14:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional