You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-07 - 11:28

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 #0, 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 rack0slot3s.osadl.org (updated Sun Dec 07, 2025 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16478352279216,16sleep20-21swapper/219:06:542
16478732265259,3sleep70-21swapper/719:07:237
16478812262210,17sleep40-21swapper/419:07:284
16479862260218,32sleep30-21swapper/319:08:323
16478342258210,17sleep10-21swapper/119:06:531
16479352256214,32sleep00-21swapper/019:07:570
16478712255215,16sleep50-21swapper/519:07:215
16477412247236,7sleep60-21swapper/619:05:376
17359352420,0sleep20-21swapper/221:45:262
164841499280,1cyclictest0-21swapper/522:15:265
1648405992726,1cyclictest0-21swapper/322:15:263
164840599270,25cyclictest0-21swapper/321:59:203
164840599270,25cyclictest0-21swapper/321:59:193
164840599270,25cyclictest0-21swapper/321:02:393
1648396992721,3cyclictest1377-21snmpd22:14:531
164842399260,22cyclictest0-21swapper/722:46:157
164841999261,1cyclictest77-21ksoftirqd/622:19:116
164841499260,22cyclictest0-21swapper/522:03:265
164841499260,22cyclictest0-21swapper/522:03:265
164841499260,22cyclictest0-21swapper/521:43:015
164841499260,22cyclictest0-21swapper/519:14:275
1648410992622,3cyclictest1732289-21cat21:40:174
164840599260,24cyclictest0-21swapper/319:42:033
164839699260,22cyclictest0-21swapper/123:59:181
164839699260,22cyclictest0-21swapper/121:46:191
164839699260,22cyclictest0-21swapper/120:34:501
1648392992625,1cyclictest0-21swapper/020:00:250
1648423992522,3cyclictest1377-21snmpd19:48:427
1648423992522,2cyclictest1377-21snmpd23:21:537
1648423992521,3cyclictest1377-21snmpd21:41:257
164842399250,1cyclictest0-21swapper/722:38:277
1648419992521,3cyclictest1377-21snmpd22:46:516
164841999250,22cyclictest0-21swapper/621:51:226
164841999250,1cyclictest0-21swapper/620:20:586
1648414992521,3cyclictest1377-21snmpd20:32:315
1648414992521,3cyclictest1377-21snmpd00:23:375
1648414992518,3cyclictest0-21swapper/522:36:485
164841499250,1cyclictest0-21swapper/521:35:155
1648410992523,2cyclictest1377-21snmpd20:00:244
1648410992522,3cyclictest1377-21snmpd21:18:294
1648410992521,3cyclictest1710436-21cat21:00:174
1648410992520,4cyclictest1377-21snmpd22:21:534
1648405992521,3cyclictest1377-21snmpd22:52:013
1648405992521,3cyclictest1377-21snmpd22:46:363
1648405992521,3cyclictest1377-21snmpd00:19:133
1648405992521,3cyclictest1143-21lldpd20:26:523
164840599250,1cyclictest0-21swapper/320:35:163
1648401992521,3cyclictest1377-21snmpd21:43:372
1648401992521,3cyclictest1377-21snmpd00:12:012
1648401992519,5cyclictest1377-21snmpd22:55:462
1648401992518,4cyclictest0-21swapper/220:35:562
1648396992521,3cyclictest1377-21snmpd22:18:501
1648396992521,3cyclictest1377-21snmpd21:28:091
1648396992521,3cyclictest1377-21snmpd20:38:591
164839699250,22cyclictest0-21swapper/121:09:271
164839299253,22cyclictest2739-21gnome-shell20:37:590
1648392992521,3cyclictest1377-21snmpd22:59:340
1648392992521,3cyclictest1377-21snmpd21:10:330
1648423992418,4cyclictest0-21swapper/723:19:477
1648423992417,5cyclictest0-21swapper/700:15:257
164842399240,22cyclictest0-21swapper/723:29:447
164842399240,22cyclictest0-21swapper/723:03:077
164842399240,22cyclictest0-21swapper/722:11:387
164842399240,22cyclictest0-21swapper/720:53:147
1648419992422,1cyclictest1377-21snmpd21:01:446
1648419992420,3cyclictest1377-21snmpd21:34:436
1648419992417,5cyclictest0-21swapper/622:52:556
164841999240,22cyclictest0-21swapper/623:13:046
164841999240,22cyclictest0-21swapper/620:50:056
164841999240,14cyclictest0-21swapper/621:19:596
164841999240,14cyclictest0-21swapper/620:32:596
1648414992420,3cyclictest1377-21snmpd23:59:455
1648414992420,3cyclictest1377-21snmpd22:46:095
1648414992420,3cyclictest1377-21snmpd00:11:135
1648414992417,3cyclictest0-21swapper/520:43:145
164841499240,22cyclictest0-21swapper/522:28:365
164841499240,22cyclictest0-21swapper/519:15:065
164841099242,22cyclictest0-21swapper/420:37:594
1648410992420,3cyclictest1724099-21awk21:25:174
1648405992422,1cyclictest1377-21snmpd00:30:403
1648405992422,1cyclictest1377-21snmpd00:30:403
1648405992420,3cyclictest1377-21snmpd23:28:503
1648405992420,3cyclictest1377-21snmpd21:16:363
1648405992420,3cyclictest1377-21snmpd00:20:223
1648405992418,4cyclictest0-21swapper/322:59:013
164840599240,2cyclictest0-21swapper/323:05:493
164840599240,22cyclictest0-21swapper/320:33:263
164840599240,22cyclictest0-21swapper/319:30:423
164840599240,22cyclictest0-21swapper/319:30:423
164840599240,14cyclictest0-21swapper/319:11:583
1648401992421,3cyclictest1377-21snmpd21:51:132
1648401992420,3cyclictest1377-21snmpd19:46:582
164840199240,24cyclictest0-21swapper/223:05:582
164840199240,14cyclictest0-21swapper/220:28:592
1648396992417,5cyclictest0-21swapper/119:11:151
1648392992420,3cyclictest1377-21snmpd21:28:240
1648392992420,3cyclictest1377-21snmpd20:25:360
1648423992322,1cyclictest1377-21snmpd19:44:517
1648423992321,2cyclictest1377-21snmpd00:22:347
1648423992320,3cyclictest1377-21snmpd22:00:447
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional