You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-05-25 - 09:12

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

Default latency plot of shadow in rack #f, slot #4

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next
  
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 rackfslot4s.osadl.org (updated Sat May 25, 2024 00:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
662521180,2chrt6622-21ntpq20:06:070
65821150,2chrt659-21sleep20:57:240
520621110,2chrt5207-21sh20:04:220
1060821100,2chrt10609-21sleep21:16:270
3005321070,2sleep030055-21irqrtprio21:51:110
1470121070,1sleep014707-21proc_pri00:17:180
1628821060,2chrt16289-21sleep19:22:540
3046321030,2chrt30464-21sh20:51:540
250272990,2chrt25028-21sh19:39:470
165792900,2sleep016580-21switchtime23:22:210
162872900,2sleep016288-21cut22:25:030
29352840,2sleep02936-21missed_timers23:56:170
81322780,2sleep08133-21run-parts19:11:150
711890776,60cyclictest15084-21/usr/sbin/munin21:26:050
139852770,2sleep013980-21scp19:19:440
711890769,10cyclictest21368-21if_eth021:36:030
711890764,20cyclictest10028-21dpkg23:11:430
7118907615,10cyclictest21843-21ntpq23:31:590
711890756,11cyclictest20143-21ntp_states00:27:010
711890756,10cyclictest2631-21df22:00:380
711890747,11cyclictest27561-21ntpq21:46:390
711890746,10cyclictest10836-21apt-get20:15:180
711890745,12cyclictest6418-21apt21:10:000
711890737,12cyclictest5155-21apt-get22:05:260
711890737,10cyclictest31963-21diskstats23:50:480
711890736,55cyclictest13772-21ssh23:17:550
711890736,13cyclictest8469-21users21:12:400
711890736,10cyclictest19203-21ntpq21:31:510
711890735,58cyclictest26004-21/usr/sbin/munin23:42:350
711890735,57cyclictest18628-21apt-get20:31:080
711890735,10cyclictest21386-21apt-get00:31:230
711890734,10cyclictest26157-21munin-run21:45:030
7118907315,9cyclictest4884-21rm00:00:260
711890727,10cyclictest26453-21ntpq19:41:150
711890726,18cyclictest9472-21ntp_states22:12:140
711890726,11cyclictest603-21ssh21:56:290
711890725,18cyclictest24556-21ntpq23:36:490
711890725,11cyclictest19506-21df22:30:360
711890724,19cyclictest28218-21if_eth122:46:040
711890724,19cyclictest1584-21sleep22:56:130
711890724,12cyclictest22499-21hddtemp_smartct22:35:550
7118907215,11cyclictest25446-21snmpd19:29:190
7118907214,49cyclictest8098-21apt-key20:10:060
298332720,1sleep029834-21ssh23:46:130
711890716,11cyclictest27120-21munin-run00:40:050
711890715,54cyclictest30289-21apt-get22:50:250
711890715,20cyclictest29355-21vmstat19:46:340
711890715,10cyclictest5399-21ssh23:03:030
711890715,10cyclictest12029-21ntpq22:16:340
711890714,57cyclictest25446-21snmpd23:05:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional