You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-07-19 - 01:34

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 #4, slot #6

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: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack4slot6s.osadl.org (updated Fri Jul 18, 2025 12:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
977822430,2sleep09781-21timerandwakeup11:00:290
1905321610,2sleep019055-21awk07:25:280
1996221360,2sleep019961-21/usr/sbin/munin11:40:250
2723821340,4chrt27239-21idleruntime-cro12:10:000
2789521320,3chrt27896-21/usr/sbin/munin12:10:290
3184121090,4sleep031913-21/usr/sbin/munin08:15:270
2531321070,4sleep025376-21mailstats09:55:240
2139421030,4sleep021447-21/usr/sbin/munin07:35:210
52372970,4sleep05250-21ls10:44:590
105282950,3sleep010539-21kworker/u2:108:59:590
174692890,3sleep017513-21ps09:25:260
276902880,3sleep027720-21df08:00:110
120592803,7sleep012100-21if_eth009:05:150
204622798,60sleep020508-21users07:30:300
1430927419,33sleep014310-21sshd07:07:370
157862724,57sleep015805-21df11:25:120
55212644,51sleep05562-21memory10:45:180
14654996443,13cyclictest29937-21latency_hist12:20:020
14654996424,14cyclictest17967-21runrttasks07:20:320
1465499619,17cyclictest32681-21/usr/sbin/munin10:25:260
14654996011,18cyclictest8098-21/usr/sbin/munin08:50:290
14654996010,18cyclictest25266-21snmpd11:35:220
14654996010,16cyclictest17039-21/usr/sbin/munin11:30:170
1465499599,17cyclictest1340-21/usr/sbin/munin12:35:110
1465499598,17cyclictest7074-21ntpq08:45:210
1465499598,16cyclictest461-21sendmail_mailqu12:30:260
1465499598,16cyclictest24783-21/usr/sbin/munin12:00:180
14654995937,14cyclictest26472-21/usr/sbin/munin07:55:160
14654995935,15cyclictest18784-21/usr/sbin/munin09:30:260
14654995921,13cyclictest12048-21netstat11:10:220
14654995917,14cyclictest23982-21/usr/sbin/munin07:45:180
1465499589,18cyclictest24625-21cron12:00:010
1465499589,18cyclictest14758-21ntp_states11:20:240
1465499589,16cyclictest17212-21cat07:20:000
1465499589,16cyclictest13581-21ntpq09:10:260
1465499589,15cyclictest29149-21chrt08:05:200
1465499588,19cyclictest31252-21idleruntime-cro10:20:000
1465499588,18cyclictest22197-21/usr/sbin/munin11:50:170
14654995835,16cyclictest22429-21/usr/sbin/munin09:45:160
14654995834,15cyclictest16487-21/usr/sbin/munin09:20:310
14654995833,16cyclictest25160-21/usr/sbin/munin07:50:150
14654995810,15cyclictest21202-21ntp_states11:45:260
1465499579,17cyclictest31406-21/usr/sbin/munin10:20:230
1465499579,16cyclictest31121-21munin-run12:25:010
1465499578,16cyclictest19734-21/usr/sbin/munin09:35:270
1465499578,16cyclictest14557-21/usr/sbin/munin09:15:120
1465499578,16cyclictest11100-21find09:00:270
1465499577,16cyclictest31247-21/usr/sbin/munin12:25:230
1465499577,15cyclictest7993-21sshd10:55:130
14654995734,15cyclictest26415-21/usr/sbin/munin10:00:180
14654995710,15cyclictest13884-21seq11:16:350
1465499569,14cyclictest23824-21memory09:50:200
1465499568,16cyclictest5794-21ntpq08:40:230
1465499568,16cyclictest14751-21/usr/sbin/munin07:10:260
14654995631,16cyclictest21302-21/usr/sbin/munin09:40:200
14654995615,14cyclictest4052-21latency_hist10:40:030
14654995611,18cyclictest6945-21ntp_states10:50:220
14654995610,17cyclictest30294-21df08:10:120
1465499559,16cyclictest1555-21seq10:30:120
1465499559,13cyclictest4229-21/usr/sbin/munin08:35:280
1465499558,19cyclictest29396-21users10:10:320
1465499558,17cyclictest27798-21ntpq10:05:220
1465499558,15cyclictest10590-21awk11:05:140
14654995510,32cyclictest437-21df08:20:120
1465499548,18cyclictest2996-21grep08:30:120
1465499548,14cyclictest1748-21seq08:25:150
14654995432,15cyclictest22592-21/usr/sbin/munin07:40:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional