You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-07 - 20:06

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 Sun Jun 07, 2026 12:59:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
63659912711238,28cyclictest6899-21cut07:25:151
63659911511128,19cyclictest27429-21sshd12:32:231
63649911291092,18cyclictest6995-21hddtemp_smartct07:25:170
60152560516,29sleep00-21swapper/007:21:550
58852521474,31sleep10-21swapper/107:20:341
63649910278,20cyclictest0-21swapper/012:32:230
148032800,2sleep00-21swapper/010:35:200
6364993818,7cyclictest20389-21cron07:59:590
281272370,3sleep1211ktimersoftd/112:35:111
636499361,22cyclictest18767-21/usr/sbin/munin10:45:240
636499346,13cyclictest21251-21sendmail-msp12:20:000
238312341,5sleep00-21swapper/008:06:370
6365993318,8cyclictest16405-21diskstats10:40:151
636499331,11cyclictest0-21swapper/012:09:370
213972331,5sleep121402-21ntp_states08:00:251
213972331,5sleep121402-21ntp_states08:00:251
636499327,18cyclictest1255-21memory11:25:210
636499321,18cyclictest0-21swapper/008:25:250
150222321,4sleep115031-21diskstats07:45:151
137932321,4sleep113873-21sensors_temp07:40:281
636499311,4cyclictest81rcu_preempt07:40:200
636499311,12cyclictest98012grep07:30:210
152542311,5sleep10-21swapper/112:01:401
636599304,9cyclictest26463-21iostat_ios09:40:191
6365993020,6cyclictest8931-21/usr/sbin/munin11:45:231
6365993011,14cyclictest9875-21ntp_states07:30:241
636499301,4cyclictest81rcu_preempt12:36:470
636499301,4cyclictest81rcu_preempt12:04:420
636499301,4cyclictest81rcu_preempt08:36:400
636499301,23cyclictest22690-21iostat_ios09:30:190
636499301,16cyclictest9679-21/usr/sbin/munin10:20:290
59742301,5sleep00-21swapper/011:38:100
279002301,5sleep10-21swapper/108:19:551
246822301,5sleep10-21swapper/112:26:571
193652301,5sleep10-21swapper/110:46:371
7312291,5sleep10-21swapper/108:31:111
7082291,5sleep00-21swapper/008:30:580
636599294,8cyclictest5450-21diskstats08:45:141
6365992922,4cyclictest11407-21iostat_ios09:00:201
6365992915,11cyclictest22-21ksoftirqd/111:10:181
636499299,7cyclictest1785-21/usr/sbin/munin10:00:240
636499294,4cyclictest81rcu_preempt09:24:470
636499291,4cyclictest81rcu_preempt12:45:030
636499291,4cyclictest81rcu_preempt11:46:060
636499291,4cyclictest81rcu_preempt11:44:250
636499291,4cyclictest81rcu_preempt10:41:350
636499291,20cyclictest0-21swapper/010:50:570
6364992911,6cyclictest29040-21chrt09:45:420
636499291,14cyclictest27872-21hddtemp_smartct11:10:180
636499291,14cyclictest22291-21latency_hist08:05:000
636499291,14cyclictest22291-21latency_hist08:05:000
636499291,14cyclictest21476-21aten_r4power_vo12:20:120
636499291,13cyclictest15839-21grep07:45:280
38722291,5sleep00-21swapper/011:30:500
299212291,5sleep10-21swapper/108:25:021
294332291,5sleep10-21swapper/109:49:521
257322291,5sleep00-21swapper/008:11:540
239242291,4sleep10-21swapper/108:07:361
234442291,5sleep10-21swapper/109:31:151
142682291,5sleep10-21swapper/109:08:411
139342291,5sleep00-21swapper/010:33:530
118482291,5sleep10-21swapper/110:26:411
80972281,5sleep10-21swapper/110:16:571
636599284,18cyclictest18214-21iostat_ios12:10:201
6365992815,7cyclictest24620-21diskstats08:10:151
636499284,4cyclictest81rcu_preempt11:58:280
636499283,20cyclictest31645-21hddtemp_smartct11:20:170
636499281,13cyclictest10407-21fschecks_count11:50:150
6364992811,15cyclictest0-21swapper/008:17:110
636499281,10cyclictest3306-21fschecks_count10:05:160
6322281,5sleep10-21swapper/109:58:551
62002281,5sleep10-21swapper/110:11:491
313542281,5sleep10-21swapper/112:43:201
310462281,4sleep10-21swapper/109:52:041
268192281,4sleep10-21swapper/111:05:581
26422281,5sleep10-21swapper/108:36:101
26032281,5sleep10-21swapper/112:52:101
250782281,4sleep10-21swapper/111:02:191
250782281,4sleep10-21swapper/111:02:191
232542281,5sleep00-21swapper/010:58:030
232542281,5sleep00-21swapper/010:58:020
217602281,5sleep00-21swapper/009:28:150
214752281,5sleep10-21swapper/110:54:041
202122281,5sleep10-21swapper/107:58:121
196462281,5sleep10-21swapper/109:20:461
122612281,5sleep10-21swapper/107:35:411
120972281,5sleep00-21swapper/009:00:360
114882281,5sleep10-21swapper/111:51:431
89062271,5sleep10-21swapper/108:55:061
85852271,5sleep10-21swapper/108:53:191
7472271,5sleep10-21swapper/112:47:481
6365992719,5cyclictest21399-21unixbench_multi09:25:261
636499273,18cyclictest1420-21diskstats12:50:130
636499272,12cyclictest24558-21iostat09:35:190
636499271,4cyclictest81rcu_preempt12:42:200
636499271,13cyclictest29802-21cpuspeed_turbos09:50:110
6364992710,5cyclictest24120-21hddtemp_smartct11:00:160
6364992710,5cyclictest24120-21hddtemp_smartct11:00:150
44602271,5sleep10-21swapper/110:08:131
309412271,4sleep10-21swapper/111:19:451
293022271,5sleep00-21swapper/008:20:310
228222271,5sleep10-21swapper/112:22:041
22572271,5sleep10-21swapper/111:29:361
191762271,5sleep00-21swapper/012:13:260
181332271,5sleep10-21swapper/107:51:041
181082271,5sleep10-21swapper/109:19:311
172322271,5sleep10-21swapper/112:07:421
158612271,5sleep10-21swapper/109:10:401
636499267,5cyclictest6024-21unixbench_singl10:10:270
636499262,3cyclictest81rcu_preempt10:16:130
636499262,19cyclictest16743-21diskstats09:15:150
636499261,4cyclictest81rcu_preempt11:09:560
636499261,4cyclictest81rcu_preempt08:44:570
6364992614,9cyclictest0-21swapper/011:15:190
636499261,16cyclictest0-21swapper/008:45:200
636499261,11cyclictest12966-21df09:05:130
101612261,4sleep10-21swapper/110:23:401
636599258,13cyclictest0-21swapper/110:35:291
636599253,18cyclictest4223-21sendmail_mailqu08:40:251
6365992516,6cyclictest22-21ksoftirqd/109:35:201
6365992516,6cyclictest22-21ksoftirqd/108:20:171
6365992516,5cyclictest22-21ksoftirqd/110:01:361
6365992516,5cyclictest12560-21wc10:30:111
6365992514,6cyclictest4789-21cut11:35:151
6365992511,8cyclictest31451-21diskstats11:20:151
6365992510,12cyclictest22851-21timerwakeupswit10:55:291
6365992510,12cyclictest22851-21timerwakeupswit10:55:291
636499259,11cyclictest10152-21unixbench_singl08:55:280
636499257,6cyclictest11260-21diskstats07:35:150
636499252,17cyclictest7533-21hddtemp_smartct08:50:170
6364992516,6cyclictest3-21ksoftirqd/009:56:140
6364992512,10cyclictest0-21swapper/012:25:120
636599248,12cyclictest0-21swapper/111:40:151
636599242,18cyclictest0-21swapper/111:55:251
6365992413,6cyclictest19494-21/usr/sbin/munin12:15:221
636499242,19cyclictest0-21swapper/007:50:390
636499241,18cyclictest26260-21/usr/sbin/munin09:40:150
6364992411,8cyclictest11881-21cron10:27:000
636499232,15cyclictest14569-21munin-node09:10:100
6365992212,6cyclictest3193-21wc11:30:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional