You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2023-12-10 - 15:50
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 50 highest latencies:
System rack0slot3.osadl.org (updated Sun Dec 10, 2023 12:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8333392386367,13sleep40-21swapper/407:05:2010
8363572379358,15sleep60-21swapper/607:06:4212
8333402363343,4sleep50-21swapper/507:05:2111
8363422358320,12sleep100-21swapper/1007:06:302
8363032355312,14sleep80-21swapper/807:05:5614
8364412354333,14sleep150-21swapper/1507:07:557
8364702346305,14sleep90-21swapper/907:08:2215
8363822345325,14sleep130-21swapper/1307:07:055
8365472339317,15sleep110-21swapper/1107:09:273
8333282339320,13sleep120-21swapper/1207:05:124
8333312338318,13sleep140-21swapper/1407:05:146
8362972336317,13sleep20-21swapper/207:05:508
8363892335315,14sleep30-21swapper/307:07:119
8365062331313,12sleep70-21swapper/707:08:5113
8363682330309,15sleep00-21swapper/007:06:520
8364252329309,13sleep10-21swapper/107:07:411
836794999028,21cyclictest1105303-21kworker/0:012:32:030
836806998969,20cyclictest904241-21kworker/12:208:41:544
836794998926,22cyclictest969475-21kworker/0:009:43:300
83679499885,41cyclictest999598-21kworker/0:110:10:100
836794998847,41cyclictest1105303-21kworker/0:011:04:160
836794998626,21cyclictest969475-21kworker/0:009:38:480
836794998524,41cyclictest1105303-21kworker/0:012:00:110
836794998241,20cyclictest0-21swapper/012:15:040
836794998239,41cyclictest13-21ksoftirqd/009:25:380
836794998119,20cyclictest0-21swapper/011:50:510
836794998040,20cyclictest999598-21kworker/0:110:15:220
836794998040,20cyclictest0-21swapper/012:21:540
836794997959,20cyclictest1105303-21kworker/0:011:14:020
836794997916,21cyclictest0-21swapper/011:38:080
836794997916,21cyclictest0-21swapper/010:26:120
836794997837,41cyclictest0-21swapper/011:30:480
836794997817,20cyclictest0-21swapper/010:46:100
836794997816,21cyclictest0-21swapper/007:16:320
836794997816,20cyclictest999598-21kworker/0:110:22:250
836794997816,20cyclictest13-21ksoftirqd/009:13:140
836794997816,20cyclictest0-21swapper/012:10:080
836794997816,20cyclictest0-21swapper/010:30:440
836794997815,22cyclictest1153658-21ssh11:23:160
836794997815,21cyclictest0-21swapper/011:58:120
836794997716,20cyclictest0-21swapper/009:54:450
836794997716,20cyclictest0-21swapper/007:59:080
836794997714,21cyclictest0-21swapper/008:55:240
836794997714,21cyclictest0-21swapper/008:44:040
836794997714,21cyclictest0-21swapper/008:09:080
836794997613,21cyclictest0-21swapper/009:01:400
836794997613,21cyclictest0-21swapper/008:38:280
836794997613,21cyclictest0-21swapper/007:46:190
836794997613,21cyclictest0-21swapper/007:40:240
836794997514,20cyclictest0-21swapper/007:20:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional