You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-09-13 - 07:30
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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rackfslot4.osadl.org (updated Fri Sep 13, 2024 00:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2723321160,3chrt27234-21sleep22:10:200
2249121150,3chrt22484-21ps22:01:230
2277821130,2chrt22779-21sh21:02:350
1531421130,2chrt15315-21sleep23:45:250
1335921050,2chrt13360-21sleep20:45:100
291782950,2sleep029181-21tail00:10:340
67082900,2sleep06709-21date23:30:080
124622850,1sleep012464-21irqrtprio22:41:240
163442840,1sleep016345-21aten2_rfpower_p21:50:350
85882800,1sleep08585-21df_inode20:35:290
246612800,1sleep024662-21sh23:03:340
192252800,1sleep019226-21ssh21:55:380
302812720,1sleep030283-21grep22:15:320
219002710,1sleep021901-21collect223:57:040
295022700,1sleep029504-21basename21:15:580
281182595,6sleep028060-21apt-get23:10:240
76532583,7sleep07658-21sshd23:31:310
260982580,1sleep026101-21cut23:06:060
146532573,44sleep014648-21ntpq21:46:450
143912560,2sleep014392-21ssh23:42:480
162182524,6sleep016235-21missed_timers19:45:500
42822510,2chrt4275-21ssh21:28:140
91462500,1sleep09144-21ntp_kernel_err00:31:590
59432503,39sleep05945-21ntpq00:26:180
36322502,41sleep025923-21diskmemload00:22:300
266142502,7sleep026612-21ntpq20:06:110
261762503,38sleep026099-21apt-get21:10:300
98912493,7sleep09886-21ntpq22:36:330
28802492,40sleep02883-21sh22:24:540
25452490,2chrt2526-21ntpq23:21:590
55072482,5sleep05509-21ssh22:29:240
29551904719,20cyclictest30828-21sh23:15:070
29551904616,22cyclictest0-21swapper23:38:360
2816124611,19sleep028169-21ntpq19:05:500
86842452,6sleep08695-21ntpq19:31:000
67442452,35sleep06754-21ntpq20:30:560
29551904517,14cyclictest0-21swapper23:51:550
29551904515,22cyclictest0-21swapper00:04:470
29551904514,23cyclictest0-21swapper21:37:390
29551904419,8cyclictest25713-21snmpd22:06:580
29551904417,8cyclictest25923-21diskmemload00:16:260
29551904416,21cyclictest0-21swapper00:39:210
29551904416,11cyclictest2183-21sendmail-msp19:20:260
308552433,31sleep030859-21ntpq19:11:160
29551904316,10cyclictest4132-21missed_timers20:25:480
207642431,3sleep00-21swapper20:59:500
5742422,33sleep0560-21ssh21:21:530
105922420,2sleep010594-21cut19:35:360
2955190416,9cyclictest18914-21ntpq19:51:040
2955190416,10cyclictest7231-21ssh22:31:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional