You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-20 - 19:08

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 #5, slot #3

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 100 highest latencies:
System rack5slot3s.osadl.org (updated Sat Jun 20, 2026 12:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
209812242165,24sleep20-21swapper/207:07:452
209812242165,24sleep20-21swapper/207:07:452
210692240165,24sleep30-21swapper/307:08:543
210692240165,24sleep30-21swapper/307:08:533
209312238160,24sleep00-21swapper/007:07:060
209312238160,24sleep00-21swapper/007:07:050
208092203168,23sleep10-21swapper/107:05:301
208092203168,23sleep10-21swapper/107:05:301
275921780,3sleep12124999cyclictest08:50:251
2765721620,5sleep22125499cyclictest12:15:182
272132970,5sleep22125499cyclictest07:20:152
21254995856,1cyclictest0-21swapper/209:39:302
91002470,1sleep20-21swapper/209:05:222
185002410,4sleep011-21rcuc/008:15:110
250692390,1sleep10-21swapper/112:10:151
21254993935,3cyclictest0-21swapper/211:23:572
104202360,7sleep232-21ksoftirqd/209:10:122
2124299357,13cyclictest752-21perf12:30:010
2125999331,14cyclictest0-21swapper/312:23:163
2124299338,12cyclictest30374-21perf11:10:020
2125999321,12cyclictest0-21swapper/311:07:593
21259993018,3cyclictest495-21jbd2/dm-0-807:55:223
2124299305,12cyclictest0-21swapper/012:20:010
2125999291,12cyclictest0-21swapper/311:44:303
2125999291,12cyclictest0-21swapper/310:25:473
2125999291,11cyclictest0-21swapper/309:33:563
2125999291,11cyclictest0-21swapper/309:33:563
2125999290,12cyclictest0-21swapper/312:28:153
2125999281,9cyclictest0-21swapper/311:25:143
2125999281,12cyclictest0-21swapper/307:40:323
2125999281,10cyclictest0-21swapper/308:55:213
2125999281,10cyclictest0-21swapper/308:43:413
2125999280,2cyclictest0-21swapper/309:50:383
2125999280,13cyclictest0-21swapper/311:59:323
2125999280,12cyclictest0-21swapper/311:33:103
2125999271,11cyclictest0-21swapper/312:13:083
2125999271,11cyclictest0-21swapper/308:30:173
21249992712,4cyclictest25904-21df_inode09:45:121
2124999271,12cyclictest0-21swapper/111:47:261
2124999271,10cyclictest19956-21sed09:30:221
2124999271,10cyclictest19956-21sed09:30:221
2125999261,13cyclictest0-21swapper/308:17:273
2125999261,11cyclictest0-21swapper/312:37:563
2125999261,11cyclictest0-21swapper/312:32:523
2125999261,10cyclictest16476-21cut11:50:163
2125999261,10cyclictest16476-21cut11:50:163
2125999260,24cyclictest0-21swapper/310:21:453
2125999260,11cyclictest0-21swapper/308:02:093
2124999269,3cyclictest29500-21chrt09:52:091
2124999265,11cyclictest0-21swapper/111:29:481
2124999264,9cyclictest17015-40dnf10:38:181
2125999257,3cyclictest0-21swapper/310:15:033
2125999251,9cyclictest0-21swapper/311:21:103
2125999251,9cyclictest0-21swapper/311:19:533
2125999251,7cyclictest0-21swapper/311:39:143
2125999251,11cyclictest0-21swapper/307:36:543
2125999251,10cyclictest0-21swapper/309:26:383
2125999251,10cyclictest0-21swapper/309:26:383
2125999250,9cyclictest0-21swapper/311:03:273
2125999250,9cyclictest0-21swapper/310:50:153
2125999250,12cyclictest0-21swapper/311:47:043
2124999259,4cyclictest1317-21memory11:15:181
2124999252,20cyclictest29348-21df_inode12:20:141
2124999252,11cyclictest0-21swapper/111:21:481
2124999250,5cyclictest0-21swapper/110:20:541
2124999250,19cyclictest0-21swapper/109:13:171
141182250,1sleep10-21swapper/110:30:221
116062250,7sleep232-21ksoftirqd/211:40:142
2125999248,8cyclictest0-21swapper/307:30:543
2125999241,9cyclictest0-21swapper/310:10:073
2125999241,14cyclictest24061-21cpu07:15:033
2125999241,14cyclictest0-21swapper/311:10:233
2125999240,9cyclictest0-21swapper/310:37:313
2125999240,8cyclictest0-21swapper/309:57:403
2125999240,16cyclictest0-21swapper/308:05:233
2125499246,6cyclictest10298-21sshd07:55:172
2125499241,13cyclictest0-21swapper/212:34:562
2124999247,6cyclictest22086-21memory09:35:191
2124999242,11cyclictest30869-21cat11:10:131
2124999241,20cyclictest8945-21users07:50:261
2124999241,14cyclictest0-21swapper/111:54:361
2124999241,14cyclictest0-21swapper/111:54:361
2124999241,10cyclictest19647-21grep10:45:111
21249992410,11cyclictest5485-21expr07:45:141
2124999240,6cyclictest0-21swapper/112:27:591
21242992417,5cyclictest27212-21smartctl07:20:160
2125999231,6cyclictest0-21swapper/312:03:513
2125999231,12cyclictest0-21swapper/309:17:433
2125999231,10cyclictest0-21swapper/310:34:473
2125999230,8cyclictest0-21swapper/307:50:323
2125999230,11cyclictest0-21swapper/310:46:253
2125499231,6cyclictest0-21swapper/212:37:312
2125499231,13cyclictest0-21swapper/209:52:572
2124999231,4cyclictest24269-21sed08:25:281
2124999231,11cyclictest0-21swapper/111:05:501
2124999230,14cyclictest0-21swapper/110:44:251
2124999230,14cyclictest0-21swapper/110:44:251
2125999221,9cyclictest9946-21diskmemload09:23:133
21259992215,4cyclictest28095-21grep07:20:263
2125999221,11cyclictest0-21swapper/307:45:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional