You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-02-15 - 11:40

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 #7, slot #7

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 rack7slot7s.osadl.org (updated Sat Feb 15, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32056210377,9sleep30-21swapper/319:07:053
3197029682,9sleep10-21swapper/119:05:581
3194128564,6sleep20-21swapper/219:05:352
3211128364,14sleep00-21swapper/019:07:460
165722680,0sleep10-21swapper/121:29:591
165902240,1sleep216588-21sh21:30:002
3237299220,1cyclictest0-21swapper/221:13:232
3237599210,17cyclictest0-21swapper/322:13:363
3237299210,21cyclictest0-21swapper/223:40:542
3237299210,21cyclictest0-21swapper/200:09:022
3237099215,9cyclictest0-21swapper/121:15:141
3237099210,18cyclictest0-21swapper/123:29:071
3237599200,2cyclictest0-21swapper/321:35:363
32370992018,2cyclictest0-21swapper/123:21:331
3237099200,19cyclictest0-21swapper/100:15:131
3236699207,7cyclictest4953-21munin-run20:35:000
3237299192,17cyclictest13853-21ssh22:19:562
32366991816,2cyclictest13-21ksoftirqd/021:12:150
3236699181,0cyclictest0-21swapper/022:50:290
3236699180,17cyclictest0-21swapper/021:19:240
122522180,0sleep00-21swapper/019:35:020
3237599171,2cyclictest0-21swapper/323:19:203
3237599170,17cyclictest0-21swapper/323:27:233
32372991717,0cyclictest0-21swapper/200:28:352
3237299170,17cyclictest0-21swapper/223:55:092
32375991611,5cyclictest39-21ksoftirqd/300:08:503
32372991614,1cyclictest0-21swapper/223:36:302
3237299160,16cyclictest0-21swapper/222:54:332
3237299160,16cyclictest0-21swapper/200:01:312
3237299160,15cyclictest0-21swapper/220:35:142
32366991614,1cyclictest20955-21apache222:57:320
3237299159,2cyclictest224-21systemd-journal22:38:042
3237299150,1cyclictest0-21swapper/221:41:522
3237299150,0cyclictest0-21swapper/200:23:462
32366991512,2cyclictest8319-21sh00:06:310
311002150,0sleep10-21swapper/123:32:251
32375991413,1cyclictest0-21swapper/323:51:453
32375991413,1cyclictest0-21swapper/321:31:483
32375991410,3cyclictest19674-21sed00:15:223
32375991410,3cyclictest1378-21ntpd21:00:163
3237599140,1cyclictest0-21swapper/322:16:133
3237299145,8cyclictest0-21swapper/222:31:022
32372991410,3cyclictest20047-21ls21:31:362
32372991410,3cyclictest12590-21tr20:50:172
3237299140,12cyclictest0-21swapper/221:17:262
3237099142,6cyclictest0-21swapper/100:30:221
32370991412,2cyclictest25-21ksoftirqd/121:23:261
3237099140,1cyclictest0-21swapper/122:40:431
32366991414,0cyclictest0-21swapper/023:39:480
32366991410,3cyclictest8498-21wc23:40:170
32366991410,3cyclictest20164-21sed21:31:370
32366991410,3cyclictest14597-21ssh21:53:550
3236699140,13cyclictest0-21swapper/000:25:520
3236699140,12cyclictest11211-21cat21:25:010
3237599139,3cyclictest12438-21tr20:50:173
3237599138,4cyclictest17689-21expr23:20:223
32375991312,1cyclictest21688-21diskmemload21:54:593
32375991310,2cyclictest9694-21sed00:35:253
32375991310,2cyclictest3392-21cut21:45:123
32375991310,2cyclictest27233-21tr23:55:233
3237599130,12cyclictest0-21swapper/322:59:513
3237299139,3cyclictest4582-21sh22:13:012
32372991311,1cyclictest2856-21aten2_r7power_c20:30:102
32372991310,2cyclictest24633-21munin-plugin-st20:05:012
32372991310,2cyclictest11213-21wc21:25:012
32372991310,2cyclictest0-21swapper/200:18:072
3237299130,12cyclictest18774-21tail19:50:152
3237099139,3cyclictest9756-21wc22:16:151
3237099139,3cyclictest9143-21grep23:15:231
3237099139,3cyclictest5480-21grep20:35:151
3237099139,3cyclictest20389-21ls23:50:271
3237099137,5cyclictest20937-21apache222:24:411
32370991311,1cyclictest25-21ksoftirqd/119:40:271
32370991310,2cyclictest25545-21chrt00:20:181
3237099130,2cyclictest0-21swapper/123:07:001
3237099130,12cyclictest29810-21grep23:05:001
3237099130,12cyclictest18920-21head19:50:161
3237099130,10cyclictest0-21swapper/100:05:401
3236699139,2cyclictest4233-21grep19:15:280
32366991311,2cyclictest13-21ksoftirqd/022:11:140
3237599129,2cyclictest27292-21sed20:10:003
3237599129,2cyclictest1694-21grep00:00:233
3237599129,2cyclictest16226-21ssh22:21:563
3237599128,3cyclictest24878-21cat22:30:003
3237599128,2cyclictest22959-21sed21:10:193
3237599122,2cyclictest28880-21ssh23:04:083
3237599120,11cyclictest0-21swapper/322:48:173
3237299129,2cyclictest4475-21sort00:30:242
3237299129,2cyclictest1442-21wc19:10:232
3237299129,2cyclictest10309-21grep19:30:202
3237299129,2cyclictest10276-21tr20:45:152
3237299128,3cyclictest16534-21ssh23:48:102
3237299127,4cyclictest932-21uname20:20:242
3237299127,4cyclictest2567-21cron20:30:002
3237299123,6cyclictest29505-21ssh21:40:002
3237299123,6cyclictest0-21swapper/222:05:382
3237299121,2cyclictest0-21swapper/221:50:092
32372991212,0cyclictest0-21swapper/221:45:382
3237299120,5cyclictest0-21swapper/222:41:332
3237299120,2cyclictest0-21swapper/223:12:392
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional