You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-05-18 - 06:00

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 #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 Fri May 16, 2025 12:48:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2507199273135,98cyclictest0-21swapper/010:16:020
2507199273135,98cyclictest0-21swapper/010:16:010
2507199267157,90cyclictest23666-21kworker/u10:9-rpciod07:43:100
2507199267157,90cyclictest23666-21kworker/u10:9-rpciod07:43:100
2507199265127,117cyclictest0-21swapper/010:10:440
2507199264162,87cyclictest0-21swapper/010:25:550
2507199264162,87cyclictest0-21swapper/010:25:550
2507199263169,78cyclictest40702-21kworker/u10:8-rpciod09:05:010
2507199262143,70cyclictest171rcu_preempt11:05:060
2507199262136,110cyclictest0-21swapper/010:55:010
2507199262136,110cyclictest0-21swapper/010:55:010
2507199261153,92cyclictest0-21swapper/009:36:280
2507199257171,55cyclictest171rcu_preempt12:04:040
2507199257171,55cyclictest171rcu_preempt12:04:030
2507199257141,96cyclictest64307-21kworker/u9:0+nfsiod10:48:400
2507199256143,80cyclictest9250irq/88-eth%d09:56:110
2507199253150,87cyclictest0-21swapper/011:32:080
2507199253150,87cyclictest0-21swapper/011:32:080
2507199253148,92cyclictest31329-21/usr/sbin/munin07:46:410
2507199253148,92cyclictest31329-21/usr/sbin/munin07:46:410
2507199253127,108cyclictest9150irq/87-eth%d08:45:210
2507199253127,108cyclictest9150irq/87-eth%d08:45:210
250719925265,81cyclictest0-21swapper/008:01:290
2507199251120,111cyclictest0-21swapper/009:06:280
2507199251120,111cyclictest0-21swapper/009:06:280
2507199250184,53cyclictest0-21swapper/010:01:130
2507199250184,53cyclictest0-21swapper/010:01:130
2507199250122,114cyclictest0-21swapper/011:12:010
2507199250122,114cyclictest0-21swapper/011:12:000
2507199249129,105cyclictest0-21swapper/009:40:110
2507199249118,111cyclictest54251-21kworker/u9:4+rpciod10:05:230
2507199248141,91cyclictest0-21swapper/010:44:520
2507199248138,94cyclictest0-21swapper/011:25:290
2507199248138,94cyclictest0-21swapper/011:25:290
2507199247177,58cyclictest151ktimers/007:35:450
2507199247148,84cyclictest0-21swapper/012:12:100
2507199247148,84cyclictest0-21swapper/012:12:100
2507199247146,83cyclictest0-21swapper/007:31:380
2507199247146,83cyclictest0-21swapper/007:31:380
2507199247129,102cyclictest0-21swapper/009:10:330
2507199246140,90cyclictest0-21swapper/010:31:050
2507199246140,90cyclictest0-21swapper/010:31:050
2507199245174,43cyclictest80012-21ssh11:55:550
2507199245174,43cyclictest80012-21ssh11:55:550
2507199245119,108cyclictest0-21swapper/007:55:050
2507199244131,99cyclictest53681-21tr09:50:500
2507199244131,99cyclictest53681-21tr09:50:500
2507199244125,104cyclictest9150irq/87-eth%d09:46:530
2507199244125,104cyclictest9150irq/87-eth%d09:46:520
2507199243146,83cyclictest86665-21ssh12:27:040
2507199243115,111cyclictest0-21swapper/009:20:140
2507199239140,82cyclictest0-21swapper/008:27:000
2507199239140,82cyclictest0-21swapper/008:27:000
2507199239131,92cyclictest9150irq/87-eth%d11:37:320
2507199239131,92cyclictest9150irq/87-eth%d11:37:320
2507199239115,104cyclictest73176-21kworker/u9:13+xprtiod11:40:420
2507199239115,104cyclictest73176-21kworker/u9:13+xprtiod11:40:420
2507199239114,111cyclictest0-21swapper/007:21:140
2507199239114,111cyclictest0-21swapper/007:21:140
2507199239111,107cyclictest42329-21kworker/u9:7+xprtiod09:25:560
2507199239111,107cyclictest42329-21kworker/u9:7+xprtiod09:25:560
2507199239102,123cyclictest40007-21latency_hist08:40:060
2507199238145,77cyclictest0-21swapper/007:16:580
2507199238134,91cyclictest87187-21rm12:30:150
2507199238134,91cyclictest87187-21rm12:30:150
2507199237162,54cyclictest79531-21kworker/u9:2+rpciod12:10:010
2507199237162,54cyclictest79531-21kworker/u9:2+rpciod12:10:010
2507199237127,97cyclictest67795-21timerwakeupswit10:57:030
250719923696,123cyclictest0-21swapper/007:26:480
250719923692,96cyclictest71557-21netstat11:15:510
2507199236137,85cyclictest0-21swapper/012:35:570
2507199236127,95cyclictest40177-21forks08:40:420
2507199236127,95cyclictest40177-21forks08:40:420
2507199236112,109cyclictest3655750/usr/sbin/munin08:17:020
2507199235122,98cyclictest0-21swapper/010:37:050
2507199235122,98cyclictest0-21swapper/010:37:050
2507199234165,42cyclictest77958-21ntp_kernel_pll_11:46:100
2507199234165,42cyclictest77958-21ntp_kernel_pll_11:46:100
2507199234117,101cyclictest0-21swapper/012:21:550
2507199234107,108cyclictest34929-21kworker/u10:5+xprtiod08:10:490
2507199233148,55cyclictest70158-21latency_hist11:10:040
2507199233148,55cyclictest70158-21latency_hist11:10:040
2507199232162,57cyclictest0-21swapper/012:15:330
2507199232162,57cyclictest0-21swapper/012:15:330
2507199232138,79cyclictest151ktimers/011:50:340
2507199232138,79cyclictest151ktimers/011:50:340
2507199232126,93cyclictest60200-21ntpq10:21:490
2507199232126,93cyclictest60200-21ntpq10:21:490
2507199232119,95cyclictest0-21swapper/011:20:200
2507199232119,95cyclictest0-21swapper/011:20:200
2507199232104,107cyclictest37409-21kworker/u9:11+xprtiod08:31:280
2507199232104,107cyclictest37409-21kworker/u9:11+xprtiod08:31:280
2507199231131,85cyclictest0-21swapper/008:05:250
2507199231122,92cyclictest9150irq/87-eth%d09:30:210
2507199231121,95cyclictest0-21swapper/008:50:220
2507199230119,95cyclictest9150irq/87-eth%d07:56:440
2507199230119,95cyclictest9150irq/87-eth%d07:56:440
2507199228160,43cyclictest42861-21open_inodes08:56:520
2507199228160,43cyclictest42861-21open_inodes08:56:520
2507199228116,97cyclictest0-21swapper/009:18:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional