You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-04-22 - 11:00

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 #5, slot #7

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: 50.5 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 376 highest latencies:
System rack5slot7s.osadl.org (updated Tue Apr 22, 2025 00:45:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29447224232178,97sleep00-21swapper19:07:150
297979917019,123cyclictest19733-21apt-get21:35:320
297979916116,19cyclictest2826-21apt-get23:36:350
297979915817,117cyclictest1845-21apt-get19:35:260
297979915717,115cyclictest12075-21munin-run20:40:020
297979915716,116cyclictest2695-21apt-get19:40:460
297979915715,119cyclictest31728-21apt19:20:010
297979915617,115cyclictest25052-21df22:15:300
297979915616,115cyclictest30956-21df_inode23:00:300
297979915615,27cyclictest31768-21/usr/sbin/munin23:11:030
297979915615,117cyclictest2828-21munin-run23:35:010
297979915513,117cyclictest25780-21apt-get22:20:120
297979915419,28cyclictest20811-21diskstats21:40:380
297979915414,116cyclictest29006-21munin-run22:45:010
297979915411,119cyclictest18763-21latency_hist21:30:030
29797991539,121cyclictest30324-21tr22:55:470
297979915328,105cyclictest0-21swapper21:20:550
297979915321,28cyclictest7380-21apt-get20:10:310
297979915313,116cyclictest9690-21apt20:25:020
297979915312,23cyclictest17905-21ls21:20:050
297979915312,118cyclictest24592-21awk22:10:520
297979915312,118cyclictest10174-21munin-plugin-st00:25:010
297979915312,115cyclictest6253-21apt-get20:06:280
297979915222,104cyclictest15637-21diskstats21:05:350
297979915214,99cyclictest30601-21munin-node19:15:090
297979915212,115cyclictest15172-21awk21:00:570
297979915211,119cyclictest32625-21cat19:25:050
29797991519,26cyclictest3963-21wc19:50:240
297979915118,109cyclictest11895-21apt00:40:010
297979915115,22cyclictest11194-21head20:31:030
297979915114,24cyclictest4643-21munin-run23:45:010
297979915113,27cyclictest22157-21awk21:50:560
297979915112,29cyclictest8907-21cut00:15:590
29797991509,118cyclictest29956-21wc22:55:040
297979915030,21cyclictest1745-1kworker/u3:223:30:030
297979915012,113cyclictest12888-21apt20:45:010
297979915010,97cyclictest28120-21grep22:36:040
297979915010,23cyclictest818-21systemctl23:20:020
297979914914,23cyclictest8315-21munin-run00:15:010
297979914912,113cyclictest26645-21sort22:30:040
29797991489,25cyclictest27121-21find22:30:510
297979914821,26cyclictest13115-21apt-get20:50:170
297979914814,38cyclictest19551-21/usr/sbin/munin21:35:040
297979914812,117cyclictest29127-21latency_hist22:50:010
297979914811,26cyclictest268-21snmpd22:08:290
297979914729,21cyclictest0-21swapper21:55:430
297979914715,109cyclictest8879-21munin-run20:20:020
297979914715,107cyclictest16421-21df_inode21:10:310
297979914713,112cyclictest14013-21df20:55:270
297979914711,27cyclictest23349-21/usr/sbin/munin22:00:330
297979914710,115cyclictest10296-21munin-plugin-st00:30:010
297979914671,51cyclictest5949-21wc23:55:220
297979914625,20cyclictest2551-21kworker/u2:1823:50:150
297979914616,25cyclictest4855-21diskstats19:55:360
297979914616,23cyclictest1074-21df19:30:280
297979914615,109cyclictest9900-21diskstats20:25:300
297979914612,22cyclictest6333-21ls20:05:080
297979914612,111cyclictest10834-21wc00:30:580
297979914610,111cyclictest32642-21/usr/sbin/munin19:26:020
297979914517,26cyclictest6808-21df_inode00:00:290
297979914415,107cyclictest31669-21apt23:10:010
297979914414,107cyclictest1111-21irqstats23:20:400
297979914311,107cyclictest21531-21sort21:50:030
297979914113,28cyclictest4994-21munin-plugin-st23:50:010
297979914012,103cyclictest3901-21wc19:50:050
297979913817,24cyclictest13015-21munin-run20:50:010
297979913716,97cyclictest7520-21apt00:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional