You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-13 - 06:43

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 #7, slot #2

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 100 highest latencies:
System rack7slot2s.osadl.org (updated Thu Nov 13, 2025 00:48:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
97023799283162,71cyclictest980259-21kworker/u9:11+xprtiod20:10:510
97023799283162,71cyclictest980259-21kworker/u9:11+xprtiod20:10:510
97023799279189,76cyclictest0-21swapper/021:22:040
97023799279189,76cyclictest0-21swapper/021:22:040
97023799277170,72cyclictest0-21swapper/021:41:170
97023799277170,72cyclictest0-21swapper/021:41:170
97023799275158,72cyclictest1007638-21apt-get22:30:180
97023799275158,72cyclictest1007638-21apt-get22:30:180
97023799275137,100cyclictest0-21swapper/022:21:490
97023799274181,48cyclictest0-21swapper/000:23:340
97023799274174,66cyclictest171rcu_preempt23:00:020
97023799274174,66cyclictest171rcu_preempt23:00:020
97023799273184,54cyclictest171rcu_preempt00:06:570
97023799272178,53cyclictest1025935-21ssh23:55:500
97023899269180,50cyclictest0-21swapper/121:16:091
97023899269180,50cyclictest0-21swapper/121:16:091
97023799268170,50cyclictest0-21swapper/023:53:360
97023799268157,74cyclictest0-21swapper/021:56:280
97023899265177,49cyclictest0-21swapper/119:41:521
97023799265164,68cyclictest0-21swapper/022:12:040
97023799263168,64cyclictest985667-21ntpq20:40:530
97023899262177,48cyclictest0-21swapper/100:32:071
97023899262177,48cyclictest0-21swapper/100:32:071
97023799262173,55cyclictest171rcu_preempt23:26:370
97023799262173,55cyclictest171rcu_preempt23:26:370
97023799262154,72cyclictest0-21swapper/021:37:070
97023899261174,49cyclictest0-21swapper/122:35:551
97023899261174,49cyclictest0-21swapper/122:35:551
97023799261178,52cyclictest171rcu_preempt23:01:390
97023799261171,59cyclictest171rcu_preempt23:47:060
97023799261171,59cyclictest171rcu_preempt23:47:060
97023899260191,51cyclictest0-21swapper/123:00:181
97023899259174,48cyclictest0-21swapper/123:36:271
97023899259174,48cyclictest0-21swapper/123:36:261
97023799259178,51cyclictest171rcu_preempt21:49:480
97023799259178,51cyclictest171rcu_preempt21:49:480
97023799259164,52cyclictest171rcu_preempt22:20:060
97023799259164,52cyclictest171rcu_preempt22:20:060
97023799259142,86cyclictest0-21swapper/021:32:060
97023899258175,44cyclictest0-21swapper/120:36:321
97023899258175,44cyclictest0-21swapper/120:36:321
97023899257178,48cyclictest0-21swapper/100:27:331
97023899257170,48cyclictest0-21swapper/119:56:181
97023899257170,48cyclictest0-21swapper/119:56:181
97023899257169,51cyclictest0-21swapper/119:15:311
97023799257135,80cyclictest973578-21kworker/u10:9-rpciod19:45:440
97023899256180,50cyclictest0-21swapper/119:46:271
97023899256177,48cyclictest0-21swapper/119:36:061
97023899256177,48cyclictest0-21swapper/119:36:061
97023899256176,50cyclictest0-21swapper/120:25:391
97023899256173,46cyclictest0-21swapper/123:42:291
97023899256173,46cyclictest0-21swapper/123:42:291
97023899256170,48cyclictest0-21swapper/120:15:381
97023899256170,48cyclictest0-21swapper/120:15:381
97023799256161,57cyclictest171rcu_preempt20:51:130
97023799256154,68cyclictest0-21swapper/000:26:040
97023799255175,52cyclictest171rcu_preempt21:28:340
97023799255175,52cyclictest171rcu_preempt21:28:340
97023799255143,77cyclictest971153-21latency_hist19:15:050
97023799255143,77cyclictest971153-21latency_hist19:15:050
97023799255130,102cyclictest973575-21kworker/u10:6-rpciod19:30:030
97023799255130,102cyclictest973575-21kworker/u10:6-rpciod19:30:020
97023899254174,43cyclictest0-21swapper/122:14:241
97023899254173,27cyclictest0-21swapper/119:30:021
97023899254173,27cyclictest0-21swapper/119:30:021
97023899254172,47cyclictest0-21swapper/120:57:041
97023899254170,52cyclictest0-21swapper/123:47:421
97023899254170,52cyclictest0-21swapper/123:47:421
97023799254148,71cyclictest0-21swapper/021:10:030
97023799254148,71cyclictest0-21swapper/021:10:020
97023899253174,50cyclictest0-21swapper/123:55:501
97023799253132,104cyclictest0-21swapper/022:07:000
97023799253129,108cyclictest9150irq/87-eth%d00:00:200
97023799252171,51cyclictest171rcu_preempt22:01:570
97023799252171,51cyclictest171rcu_preempt22:01:570
97023799252164,54cyclictest171rcu_preempt20:16:140
97023799252164,54cyclictest171rcu_preempt20:16:140
97023799252149,67cyclictest0-21swapper/021:50:550
97023799252149,67cyclictest0-21swapper/021:50:550
97023799252128,85cyclictest1009165-21find22:37:010
97023799252128,85cyclictest1009165-21find22:37:010
97023799252128,77cyclictest0-21swapper/023:21:410
97023799252128,77cyclictest0-21swapper/023:21:410
97023799252121,85cyclictest971060-21kworker/u9:12+rpciod19:25:070
97023899251184,26cyclictest0-21swapper/122:01:341
97023899251184,26cyclictest0-21swapper/122:01:341
97023899251182,26cyclictest0-21swapper/100:05:451
97023899251174,49cyclictest0-21swapper/100:35:511
97023799251168,52cyclictest171rcu_preempt23:11:350
97023799251157,57cyclictest171rcu_preempt20:26:590
97023799251148,69cyclictest171rcu_preempt19:51:300
97023799251148,69cyclictest171rcu_preempt19:51:300
97023799251138,77cyclictest722-21snmpd21:00:070
97023799251137,98cyclictest0-21swapper/022:46:550
97023899250179,53cyclictest0-21swapper/120:05:131
97023899250179,53cyclictest0-21swapper/120:05:131
97023899250175,48cyclictest0-21swapper/100:24:321
97023899250170,26cyclictest0-21swapper/121:43:131
97023899250170,26cyclictest0-21swapper/121:43:131
97023899250169,46cyclictest0-21swapper/121:22:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional