You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-09-13 - 17:12

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 #8, 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.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 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 100 highest latencies:
System rack8slot7s.osadl.org (updated Sat Sep 13, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14452992020,0cyclictest294-21hwrng12:18:440
14452992018,2cyclictest55650irq/125-lan11:30:180
14452991918,1cyclictest55650irq/125-lan12:35:220
14452991918,1cyclictest55650irq/125-lan12:31:390
14452991918,1cyclictest55650irq/125-lan12:26:560
14452991918,1cyclictest55650irq/125-lan11:55:440
14452991918,1cyclictest55650irq/125-lan10:45:190
14452991918,1cyclictest55650irq/125-lan10:33:210
14452991918,1cyclictest55650irq/125-lan10:20:330
14452991918,1cyclictest55650irq/125-lan09:58:510
14452991918,1cyclictest55650irq/125-lan09:52:500
14452991918,1cyclictest55650irq/125-lan09:46:270
14452991918,1cyclictest55650irq/125-lan09:44:340
14452991918,1cyclictest55650irq/125-lan09:23:260
14452991918,1cyclictest55650irq/125-lan07:47:530
14452991818,0cyclictest55650irq/125-lan11:08:430
14452991818,0cyclictest55650irq/125-lan10:40:510
14452991818,0cyclictest55650irq/125-lan10:17:550
14452991818,0cyclictest55650irq/125-lan09:05:480
14452991817,1cyclictest55650irq/125-lan12:14:590
14452991817,1cyclictest55650irq/125-lan12:05:050
14452991817,1cyclictest55650irq/125-lan12:00:190
14452991817,1cyclictest55650irq/125-lan11:53:320
14452991817,1cyclictest55650irq/125-lan11:46:280
14452991817,1cyclictest55650irq/125-lan11:35:520
14452991817,1cyclictest55650irq/125-lan11:17:240
14452991817,1cyclictest55650irq/125-lan11:11:020
14452991817,1cyclictest55650irq/125-lan11:04:110
14452991817,1cyclictest55650irq/125-lan10:55:230
14452991817,1cyclictest55650irq/125-lan10:53:170
14452991817,1cyclictest55650irq/125-lan10:37:210
14452991817,1cyclictest55650irq/125-lan10:25:480
14452991817,1cyclictest55650irq/125-lan10:00:210
14452991817,1cyclictest55650irq/125-lan09:31:040
14452991817,1cyclictest55650irq/125-lan09:25:150
14452991817,1cyclictest55650irq/125-lan09:19:130
14452991817,1cyclictest55650irq/125-lan09:10:180
14452991817,1cyclictest55650irq/125-lan08:53:090
14452991817,1cyclictest55650irq/125-lan08:05:230
14452991817,1cyclictest55650irq/125-lan07:54:140
14452991817,1cyclictest55650irq/125-lan07:21:100
14452991717,0cyclictest55650irq/125-lan10:05:230
14452991717,0cyclictest55650irq/125-lan09:37:030
14452991717,0cyclictest55650irq/125-lan08:11:280
14452991717,0cyclictest55650irq/125-lan07:41:180
14452991717,0cyclictest55650irq/125-lan07:32:340
14452991717,0cyclictest55650irq/125-lan07:13:540
14452991716,1cyclictest55650irq/125-lan12:20:190
14452991716,1cyclictest55650irq/125-lan11:40:150
14452991716,1cyclictest55650irq/125-lan11:25:550
14452991716,1cyclictest55650irq/125-lan10:10:380
14452991716,1cyclictest55650irq/125-lan08:58:280
14452991716,1cyclictest55650irq/125-lan08:25:190
14452991716,1cyclictest55650irq/125-lan08:22:020
14452991716,1cyclictest55650irq/125-lan07:15:130
14452991616,0cyclictest55650irq/125-lan08:37:220
14452991616,0cyclictest55650irq/125-lan08:16:490
14452991616,0cyclictest55650irq/125-lan08:00:280
14452991615,1cyclictest55650irq/125-lan08:48:020
14452991615,1cyclictest55650irq/125-lan08:40:320
14452991615,1cyclictest55650irq/125-lan07:56:300
14457991515,0cyclictest294-21hwrng12:33:051
14457991515,0cyclictest294-21hwrng10:11:451
14452991515,0cyclictest55650irq/125-lan09:01:170
14452991514,1cyclictest55650irq/125-lan07:35:130
14452991514,1cyclictest55650irq/125-lan07:25:110
14457991414,0cyclictest294-21hwrng12:22:491
14457991414,0cyclictest294-21hwrng12:01:201
14457991414,0cyclictest294-21hwrng09:26:431
14457991414,0cyclictest294-21hwrng09:10:191
14457991414,0cyclictest294-21hwrng08:21:101
14457991413,1cyclictest6833-21kworker/1:3+events09:38:491
14452991414,0cyclictest55650irq/125-lan08:31:010
14457991313,0cyclictest294-21hwrng11:21:241
14457991313,0cyclictest294-21hwrng10:40:271
14457991313,0cyclictest294-21hwrng10:39:241
14457991313,0cyclictest294-21hwrng10:33:151
14457991312,1cyclictest6833-21kworker/1:3+events09:15:491
14457991212,0cyclictest294-21hwrng12:37:111
14457991212,0cyclictest294-21hwrng12:12:351
14457991212,0cyclictest294-21hwrng10:59:531
14457991212,0cyclictest294-21hwrng10:46:341
14457991212,0cyclictest294-21hwrng10:19:571
14457991212,0cyclictest294-21hwrng09:43:051
14457991212,0cyclictest294-21hwrng08:37:331
14457991212,0cyclictest294-21hwrng08:12:581
14457991212,0cyclictest294-21hwrng07:54:321
14457991211,1cyclictest6833-21kworker/1:3+events11:37:251
14457991111,0cyclictest294-21hwrng12:09:311
14457991111,0cyclictest294-21hwrng10:26:051
14457991111,0cyclictest294-21hwrng08:16:031
14457991111,0cyclictest294-21hwrng07:48:241
14457991111,0cyclictest294-21hwrng07:15:381
14457991010,0cyclictest294-21hwrng11:32:391
14457991010,0cyclictest294-21hwrng11:25:291
14457991010,0cyclictest294-21hwrng11:15:141
14457991010,0cyclictest294-21hwrng10:22:001
14457991010,0cyclictest294-21hwrng10:07:391
14457991010,0cyclictest294-21hwrng09:05:121
14457991010,0cyclictest294-21hwrng08:53:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional