You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-04-02 - 08:13
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 rack3slot3.osadl.org (updated Wed Apr 02, 2025 00:46:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
409210893sleep20-21swapper/219:08:104
33229884sleep00-21swapper/019:07:070
12250970irq/42-ahci0-21swapper/119:09:221
12250940irq/42-ahci0-21swapper/419:08:366
46829387sleep90-21swapper/919:08:1711
12250930irq/42-ahci0-21swapper/719:09:279
2963450890irq/53-eth0-rx-0-21swapper/519:05:497
60028381sleep30-21swapper/319:09:595
50127764sleep80-21swapper/819:08:4010
38326855sleep60-21swapper/619:07:518
2963450680irq/53-eth0-rx-0-21swapper/1119:05:533
3276725955sleep100-21swapper/1019:06:412
706994018cyclictest0-21swapper/020:08:290
74399373cyclictest0-21swapper/621:19:418
74699361cyclictest0-21swapper/922:24:4411
74599363cyclictest0-21swapper/819:38:0110
74599362cyclictest0-21swapper/821:17:3910
74699353cyclictest0-21swapper/920:12:2411
74599353cyclictest0-21swapper/820:46:0110
74599353cyclictest0-21swapper/819:43:3010
74899341cyclictest0-21swapper/1100:06:263
74899341cyclictest0-21swapper/1100:06:263
74599343cyclictest0-21swapper/823:48:4910
74599341cyclictest0-21swapper/821:11:5510
74599341cyclictest0-21swapper/800:25:5110
74599333cyclictest0-21swapper/819:23:0210
74599332cyclictest0-21swapper/819:19:3110
74599330cyclictest0-21swapper/821:05:4310
74599330cyclictest0-21swapper/820:38:3010
74599330cyclictest0-21swapper/820:06:0410
74399331cyclictest0-21swapper/620:06:098
73299333cyclictest0-21swapper/421:00:186
73299333cyclictest0-21swapper/419:15:236
70699333cyclictest0-21swapper/021:30:200
74899322cyclictest0-21swapper/1121:44:143
748993213cyclictest0-21swapper/1122:29:003
74799321cyclictest0-21swapper/1000:14:392
74699322cyclictest0-21swapper/923:20:3411
74699322cyclictest0-21swapper/900:10:4511
74699321cyclictest0-21swapper/919:13:3711
74699321cyclictest0-21swapper/900:32:0311
74699321cyclictest0-21swapper/900:32:0311
74699320cyclictest0-21swapper/919:41:3911
74599323cyclictest0-21swapper/821:55:0010
74599322cyclictest0-21swapper/822:44:3210
74599320cyclictest0-21swapper/819:27:3110
74399322cyclictest0-21swapper/600:39:168
74399320cyclictest0-21swapper/623:38:468
74899313cyclictest0-21swapper/1121:01:593
74799313cyclictest0-21swapper/1020:09:392
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional