You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-12-10 - 06:23
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 rack5slot3.osadl.org (updated Tue Dec 10, 2024 00:50:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
85228555,6sleep20-21swapper/219:07:122
98127844,30sleep70-21swapper/719:09:017
83527843,30sleep30-21swapper/319:06:573
104727743,30sleep60-21swapper/619:09:576
77227541,29sleep50-21swapper/519:06:035
86027440,30sleep00-21swapper/019:07:170
86127339,30sleep10-21swapper/119:07:191
83627339,30sleep40-21swapper/419:06:574
296602510,0sleep50-21swapper/523:40:015
149822470,0sleep014988-21cpuspeed_turbos00:35:120
124222460,0sleep50-21swapper/523:15:185
266822450,0sleep00-21swapper/023:54:040
105224340,1sleep20-21swapper/219:10:012
1482994138,2cyclictest2906-21apt-get21:00:003
1480993635,0cyclictest0-21swapper/123:11:181
1485993131,0cyclictest0-21swapper/620:55:186
1479993030,0cyclictest0-21swapper/000:18:020
1485992929,0cyclictest0-21swapper/600:11:566
1479992828,0cyclictest0-21swapper/023:42:070
1481992424,0cyclictest0-21swapper/223:10:492
1484992317,6cyclictest4492-21munin-node23:57:045
1481992323,0cyclictest0-21swapper/222:42:312
2734522210,2sleep20-21swapper/223:54:322
1486992222,0cyclictest0-21swapper/722:43:157
1482992119,1cyclictest16136-21nscd22:15:113
1481992121,0cyclictest0-21swapper/221:32:332
1485992019,1cyclictest641ktimersoftd/620:45:446
1483992013,7cyclictest632-21irqbalance21:49:204
1483992013,7cyclictest632-21irqbalance21:49:194
1482992016,3cyclictest662-21ptp4l00:09:483
1482992016,3cyclictest662-21ptp4l00:09:473
1482992010,1cyclictest0-21swapper/320:45:183
1481992018,1cyclictest2948-21sendmail-msp21:00:002
1481992016,4cyclictest20821-21nscd00:36:122
1481992010,7cyclictest0-21swapper/220:45:202
1479992011,4cyclictest0-21swapper/000:00:000
208421910,0sleep10-21swapper/123:57:261
1481991918,1cyclictest321ktimersoftd/200:07:542
1481991918,1cyclictest321ktimersoftd/200:07:542
1479991919,0cyclictest0-21swapper/023:47:260
1482991815,3cyclictest641-21nscd22:34:593
1482991810,6cyclictest0-21swapper/300:00:013
1479991814,2cyclictest1559-21snmpd23:01:440
1479991810,8cyclictest0-21swapper/022:39:570
1479991810,8cyclictest0-21swapper/022:39:570
1479991810,8cyclictest0-21swapper/000:23:240
223172170,0sleep60-21swapper/623:20:166
1486991714,1cyclictest32441-21diskmemload23:56:077
1486991710,4cyclictest0-21swapper/723:53:387
1486991710,2cyclictest0-21swapper/719:10:127
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional