You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-21 - 01:47

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 highest latencies:
System rack9slot4s (updated Sat Dec 20, 2025 12:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
107489912311195,31cyclictest15784-21fschecks_time07:35:171
107489911821173,6cyclictest0-21swapper/107:25:071
107479911511127,21cyclictest0-21swapper/007:25:060
106392658560,30sleep00-21swapper/007:24:310
103602569524,30sleep10-21swapper/107:21:361
1074799143121,16cyclictest15785-21fschecks_time07:35:170
1561121130,3sleep0111rcuc/010:12:550
193942990,6sleep01074799cyclictest07:45:140
71992910,4sleep1211ktimersoftd/109:30:271
125622720,9sleep01074799cyclictest09:35:430
1074799626,11cyclictest0-21swapper/012:24:320
1074799623,28cyclictest0-21swapper/010:37:550
1074799622,29cyclictest0-21swapper/012:45:550
239792570,8sleep01074799cyclictest12:01:250
21962460,4sleep1211ktimersoftd/111:40:001
1074799447,11cyclictest3-21ksoftirqd/007:57:310
113682390,8sleep01074799cyclictest10:41:310
10748993911,25cyclictest22-21ksoftirqd/111:05:001
1074799391,16cyclictest3302-21runrttasks12:10:300
1074899388,4cyclictest81rcu_preempt11:40:201
1074899386,4cyclictest81rcu_preempt12:20:341
10747993810,14cyclictest17952-21processes09:05:270
22842371,32sleep12296-21sh09:59:511
10748993722,4cyclictest22-21ksoftirqd/110:13:211
1074899371,7cyclictest19693-21memory10:50:231
10747993714,6cyclictest10464-21sh11:15:010
1074799371,32cyclictest17539-21diskstats07:40:160
308232361,31sleep030835-21rm12:09:240
1074899365,5cyclictest81rcu_preempt12:50:321
1074899361,4cyclictest865-21users10:30:331
1074899361,23cyclictest16250-21tune2fs09:40:181
10747993627,5cyclictest7987-21diskstats10:05:160
10747993626,6cyclictest2309-21cron11:50:010
305902351,30sleep130691-21/usr/sbin/munin08:15:111
292762351,3sleep129422-21ssh12:40:301
233812351,4sleep123436-21switchtime10:20:311
1074899356,25cyclictest0-21swapper/109:54:581
1074899356,12cyclictest81rcu_preempt11:05:131
1074899351,30cyclictest22879-21ssh12:34:561
1074799359,5cyclictest11474-21kernelversion11:15:220
1074799356,26cyclictest2875-21cron11:06:000
85092341,4sleep18679-21ssh12:20:011
66092341,28sleep16694-21memory11:10:221
50052341,29sleep15032-21iostat10:35:201
1074899344,5cyclictest81rcu_preempt10:04:381
10748993425,5cyclictest9546-21diskstats10:40:151
1074899341,5cyclictest3849-21ssh12:49:361
1074899341,15cyclictest16560-21ntp_states11:20:261
1074899341,15cyclictest16560-21ntp_states11:20:251
1074799349,13cyclictest459-21fschecks_time08:20:180
10747993423,6cyclictest4533-21ssh10:00:540
1074799341,21cyclictest25097-21/usr/sbin/munin09:15:290
228942331,5sleep00-21swapper/009:46:410
1074899335,4cyclictest81rcu_preempt11:45:161
10748993324,6cyclictest0-21swapper/109:00:161
1074899332,28cyclictest0-21swapper/109:29:351
1074899331,4cyclictest9537-21/usr/sbin/munin08:45:161
1074799338,13cyclictest0-21swapper/009:57:140
1074799333,18cyclictest0-21swapper/010:22:290
1074799333,17cyclictest0-21swapper/008:55:460
10747993325,6cyclictest0-21swapper/009:25:200
1074799332,28cyclictest0-21swapper/012:35:150
10747993319,11cyclictest0-21swapper/011:40:360
1074799331,30cyclictest0-21swapper/009:54:360
10747993310,6cyclictest4146-21cpu12:15:130
1074899324,5cyclictest81rcu_preempt12:05:111
1074899324,4cyclictest81rcu_preempt11:25:401
1074899323,4cyclictest81rcu_preempt09:21:101
10748993219,10cyclictest22-21ksoftirqd/111:55:261
1074899321,5cyclictest0-21swapper/107:52:361
1074899321,4cyclictest81rcu_preempt12:00:171
10748993213,8cyclictest22-21ksoftirqd/108:45:011
10748993213,6cyclictest22-21ksoftirqd/110:09:361
1074799323,4cyclictest81rcu_preempt11:21:320
1074799323,4cyclictest81rcu_preempt11:21:320
10747993225,5cyclictest0-21swapper/008:53:560
10747993217,11cyclictest32684-21missed_timers10:30:230
1074799321,5cyclictest0-21swapper/009:00:360
10747993214,6cyclictest27653-21ntp_states08:05:250
1074799321,28cyclictest0-21swapper/009:14:370
1074799321,27cyclictest29226-21ssh10:26:360
10747993211,6cyclictest15080-21ssh10:45:260
1074899315,10cyclictest0-21swapper/111:31:101
10748993124,5cyclictest0-21swapper/108:01:361
1074899311,8cyclictest2645-21snmpd09:10:071
10748993116,4cyclictest22-21ksoftirqd/107:30:061
10748993112,15cyclictest0-21swapper/109:16:071
1074799317,12cyclictest9471-21date08:45:010
1074799314,4cyclictest81rcu_preempt10:50:420
1074799312,24cyclictest111rcuc/011:26:170
10747993120,7cyclictest31260-21/usr/sbin/munin11:35:290
1074799311,27cyclictest19596-21kworker/0:210:16:360
10747993112,7cyclictest18783-21diskmemload11:55:200
10747993112,6cyclictest9198-21ssh09:32:520
10747993111,7cyclictest29703-21ssh11:00:290
1074799311,13cyclictest0-21swapper/009:21:550
242782301,5sleep10-21swapper/107:56:541
1074899309,4cyclictest81rcu_preempt11:19:431
1074899308,11cyclictest81rcu_preempt10:55:111
1074899304,6cyclictest22-21ksoftirqd/111:50:201
1074899304,4cyclictest81rcu_preempt12:25:141
1074899304,4cyclictest81rcu_preempt10:47:061
10748993015,4cyclictest22-21ksoftirqd/112:11:421
1074899301,27cyclictest0-21swapper/107:42:561
1074899301,26cyclictest13410-21ssh09:36:571
1074799308,5cyclictest81rcu_preempt12:25:260
1074799304,4cyclictest81rcu_preempt12:34:120
1074799301,4cyclictest81rcu_preempt11:33:170
1074799301,27cyclictest0-21swapper/007:31:150
10747993012,5cyclictest10226-21memory08:45:240
1074799301,15cyclictest8170-21cron12:55:000
10747993010,7cyclictest18783-21diskmemload11:51:440
1074899292,4cyclictest81rcu_preempt08:34:331
10748992924,3cyclictest0-21swapper/107:46:161
1074899291,5cyclictest0-21swapper/110:18:161
1074899291,4cyclictest81rcu_preempt10:27:051
1074899291,4cyclictest81rcu_preempt09:47:521
1074899291,4cyclictest81rcu_preempt08:57:051
1074899291,4cyclictest81rcu_preempt08:50:591
1074899291,4cyclictest81rcu_preempt08:12:421
1074899291,13cyclictest0-21swapper/112:35:091
1074799292,13cyclictest28577-21hddtemp_smartct12:40:190
10747992912,5cyclictest25543-21sh10:56:010
1074799291,16cyclictest0-21swapper/008:15:160
1074799291,15cyclictest5768-21/usr/sbin/munin08:35:200
10747992911,5cyclictest4393-21/usr/sbin/munin08:30:190
10747992910,6cyclictest20995-21/usr/sbin/munin07:50:220
264422281,5sleep00-21swapper/008:02:440
1074899284,18cyclictest2210-21diskstats08:25:171
1074799282,12cyclictest2425-21hddtemp_smartct08:25:180
1074799281,14cyclictest19154-21rm09:43:150
57562271,5sleep10-21swapper/108:35:071
281652271,5sleep10-21swapper/108:06:081
1074899271,13cyclictest1660-21runrttasks08:24:131
1074799277,5cyclictest30497-21gdbus08:14:450
1074899263,9cyclictest17359-21diskstats09:05:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional