You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-05-02 - 12:49
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 rack0slot4.osadl.org (updated Fri May 02, 2025 00:46:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14600252399377,14sleep40-21swapper/419:06:5110
14589912373365,5sleep150-21swapper/1519:05:247
14600442366358,5sleep60-21swapper/619:07:0812
14580372363355,5sleep80-21swapper/819:05:1814
14601852347324,15sleep70-21swapper/719:09:0313
14602542346323,15sleep140-21swapper/1419:09:586
14600472346324,14sleep90-21swapper/919:07:1215
14584702345337,5sleep110-21swapper/1119:05:213
14602522343320,15sleep120-21swapper/1219:09:564
14601982341318,14sleep30-21swapper/319:09:159
14601832341318,15sleep50-21swapper/519:09:0111
14599742340317,15sleep130-21swapper/1319:06:125
14600842338315,15sleep10-21swapper/119:07:351
14600942337315,14sleep100-21swapper/1019:07:452
14600382337314,15sleep00-21swapper/019:07:030
14599462337316,13sleep20-21swapper/219:05:448
146068799287286,1cyclictest1729413-21nodev-device-ev00:20:2013
146071399227226,1cyclictest0-21swapper/1500:20:217
1460703991050,105cyclictest0-21swapper/1220:20:214
1460703991050,105cyclictest0-21swapper/1220:20:214
1460711998887,1cyclictest1592684-21nodev-device-ev21:40:206
1460697998180,1cyclictest1571337-21nodev-device-ev21:15:182
1460693998180,1cyclictest0-21swapper/923:40:1815
1460667998079,1cyclictest0-21swapper/119:50:201
1460701997776,1cyclictest1626869-21nodev-device-ev22:20:193
1460683997675,1cyclictest1549938-21nodev-device-ev20:50:2112
1460663997574,1cyclictest1609757-21nodev-device-ev22:00:190
1460683996867,1cyclictest1588398-21nodev-device-ev21:35:2112
1460707996261,1cyclictest1532861-21nodev-device-ev20:30:195
1460693995655,1cyclictest0-21swapper/921:45:2015
16600922550,0sleep40-21swapper/423:00:1410
1460681995352,1cyclictest0-21swapper/520:15:2111
1460673995251,1cyclictest0-21swapper/322:20:199
1460667994948,1cyclictest1601224-21nodev-device-ev21:50:191
1460677994643,3cyclictest0-21swapper/419:35:1810
1460681994544,1cyclictest0-21swapper/521:55:1911
1460701994140,1cyclictest1614047-21nodev-device-ev22:05:213
1460683994139,2cyclictest0-21swapper/622:25:2012
1460671994138,3cyclictest0-21swapper/223:40:168
146071199400,39cyclictest0-21swapper/1423:04:476
1460687993938,1cyclictest1699469-21nodev-device-ev23:45:2113
1460697993837,1cyclictest1686667-21nodev-device-ev23:30:212
1460697993837,1cyclictest1686667-21nodev-device-ev23:30:212
1460711993736,1cyclictest0-21swapper/1420:50:216
1460701993736,1cyclictest1708009-21nodev-device-ev23:55:193
1460701993736,1cyclictest1477071-21daemon-init19:25:193
1460711993636,0cyclictest0-21swapper/1421:31:436
1460711993333,0cyclictest0-21swapper/1420:40:156
1460663993332,1cyclictest0-21swapper/022:30:200
1460711993232,0cyclictest0-21swapper/1422:23:296
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional