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2026-07-06 - 18:57

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #8, slot #2

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 
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack8slot2s.osadl.org (updated Mon Jul 06, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
847232998761,23cyclictest86-21hwrng10:40:050
847232998267,12cyclictest86-21hwrng10:25:450
847232997662,11cyclictest86-21hwrng07:18:220
847235997565,5cyclictest86-21hwrng07:30:393
847235997468,4cyclictest86-21hwrng11:38:273
847235997468,4cyclictest86-21hwrng11:38:273
847235997467,4cyclictest86-21hwrng11:17:593
847235997466,5cyclictest86-21hwrng09:29:263
847235997366,4cyclictest86-21hwrng09:03:503
847235997365,5cyclictest86-21hwrng07:47:023
847235997264,5cyclictest86-21hwrng12:37:513
847235997264,5cyclictest86-21hwrng12:37:513
847232997260,9cyclictest86-21hwrng08:11:370
847235997165,4cyclictest86-21hwrng09:50:563
847235997165,4cyclictest86-21hwrng09:50:563
847235997163,5cyclictest86-21hwrng07:34:453
847232997158,10cyclictest86-21hwrng11:47:400
847235996861,4cyclictest86-21hwrng09:05:533
847235996860,5cyclictest86-21hwrng07:41:553
847235996759,5cyclictest86-21hwrng10:10:243
847234996760,4cyclictest0-21swapper/210:27:482
847235996660,4cyclictest86-21hwrng09:22:163
847235996660,4cyclictest86-21hwrng07:28:363
847235996659,5cyclictest86-21hwrng11:24:073
847235996659,5cyclictest86-21hwrng08:16:443
847235996659,5cyclictest86-21hwrng08:16:443
847232996552,10cyclictest86-21hwrng09:01:470
847235996456,5cyclictest86-21hwrng10:48:173
847232996452,10cyclictest86-21hwrng11:35:230
847232996452,10cyclictest86-21hwrng11:35:230
847235996256,4cyclictest86-21hwrng08:06:293
847235996253,6cyclictest86-21hwrng09:38:393
847235996253,6cyclictest86-21hwrng09:38:393
847235996153,5cyclictest86-21hwrng12:31:423
847235996153,5cyclictest86-21hwrng07:57:163
847232996149,10cyclictest86-21hwrng08:56:400
847232996149,10cyclictest86-21hwrng08:56:400
847235996052,5cyclictest86-21hwrng09:43:463
847235996052,5cyclictest86-21hwrng09:43:463
847234996054,3cyclictest0-21swapper/211:05:412
847234996054,3cyclictest0-21swapper/211:05:412
847232996049,9cyclictest86-21hwrng07:11:120
847235995951,5cyclictest86-21hwrng12:23:313
847233995951,5cyclictest0-21swapper/110:25:451
847232995948,9cyclictest86-21hwrng10:53:240
847232995947,10cyclictest86-21hwrng10:18:350
847235995849,6cyclictest86-21hwrng12:10:123
847232995847,9cyclictest86-21hwrng11:43:350
847232995847,9cyclictest86-21hwrng11:43:350
847232995844,12cyclictest86-21hwrng10:57:300
847232995745,9cyclictest86-21hwrng11:02:370
847232995745,9cyclictest86-21hwrng08:35:100
847235995649,5cyclictest86-21hwrng08:00:213
847235995649,5cyclictest86-21hwrng08:00:213
847235995649,5cyclictest86-21hwrng07:51:083
847235995548,5cyclictest86-21hwrng11:26:103
847235995548,5cyclictest86-21hwrng11:26:103
847232995543,9cyclictest86-21hwrng08:22:520
847232995543,9cyclictest86-21hwrng08:22:520
84723299551,50cyclictest903974-21ssh09:41:010
84723299551,50cyclictest903974-21ssh09:41:010
847233995447,3cyclictest0-21swapper/107:18:221
847235995346,5cyclictest86-21hwrng12:07:083
847235995324,25cyclictest0-21swapper/307:20:403
847235995318,24cyclictest926150-21sendmail-msp10:19:513
847235995318,24cyclictest926150-21sendmail-msp10:19:513
847232995340,10cyclictest86-21hwrng11:31:170
84723299531,46cyclictest984437-21sendmail-msp12:01:110
84723299531,46cyclictest984437-21sendmail-msp12:01:110
847233995245,4cyclictest0-21swapper/110:40:051
847234995146,3cyclictest0-21swapper/211:53:492
847232995116,20cyclictest900971-21ssh09:35:350
847232995116,20cyclictest900971-21ssh09:35:350
847233995044,3cyclictest0-21swapper/108:11:371
84723299501,45cyclictest884934-21diskmemload12:15:350
84723299501,41cyclictest867848-21sshd-auth08:15:050
84723299501,41cyclictest867848-21sshd-auth08:15:050
847235994941,5cyclictest86-21hwrng12:29:393
847233994942,4cyclictest0-21swapper/111:47:401
847232994914,31cyclictest863899-21ntpq08:00:310
847232994914,31cyclictest863899-21ntpq08:00:310
84723299491,20cyclictest927289-21ntpq10:20:400
84723299491,20cyclictest927289-21ntpq10:20:400
84723299491,19cyclictest909615-21ntpq09:50:260
84723299491,19cyclictest909615-21ntpq09:50:260
84723299491,16cyclictest961513-21/usr/sbin/munin11:20:140
847235994818,11cyclictest0-21swapper/308:10:333
847232994838,7cyclictest86-21hwrng09:11:000
84723299482,42cyclictest920766-21ssh10:10:110
847232994820,23cyclictest952555-21ssh11:04:580
847232994820,23cyclictest952555-21ssh11:04:580
84723299481,43cyclictest917825-21df_inode10:05:110
84723299481,43cyclictest906095-21ssh09:45:100
84723299481,43cyclictest889145-21ssh09:15:320
84723299481,42cyclictest1007715-21ssh12:39:430
84723299481,42cyclictest1007715-21ssh12:39:430
84723299481,41cyclictest1002122-21ssh12:30:000
84723299481,18cyclictest941563-21irqstats10:45:180
84723299481,17cyclictest996076-21sendmail-msp12:21:100
847235994740,4cyclictest86-21hwrng09:31:293
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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