You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-27 - 14:16
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 rack3slot3.osadl.org (updated Thu Nov 27, 2025 12:46:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14781210794sleep80-21swapper/807:07:4410
14639210594sleep60-21swapper/607:05:538
14705210492sleep70-21swapper/707:06:439
30664501020irq/53-eth0-tx-0-21swapper/107:07:161
14890210296sleep40-21swapper/407:08:286
12250980irq/42-ahci0-21swapper/207:08:364
3066350920irq/52-eth0-rx-0-21swapper/307:05:385
3066350910irq/52-eth0-rx-0-21swapper/1107:05:333
3066350880irq/52-eth0-rx-0-21swapper/507:07:037
1475328678sleep90-21swapper/907:07:2111
1461627868sleep00-21swapper/007:05:350
1183627266sleep100-21swapper/1007:05:092
1511999220cyclictest0-21swapper/010:15:570
15119992119cyclictest0-21swapper/008:08:290
1511999200cyclictest0-21swapper/009:14:380
1514999181cyclictest12250irq/42-ahci10:00:002
1514899184cyclictest0-21swapper/907:47:1111
1514899181cyclictest0-21swapper/912:20:2411
1514899181cyclictest0-21swapper/910:10:2311
1514899181cyclictest0-21swapper/910:09:0211
1514899181cyclictest0-21swapper/909:27:5911
1514899181cyclictest0-21swapper/909:13:2211
1514899181cyclictest0-21swapper/908:40:1411
15144991816cyclictest27649-21qemu-kvm08:09:018
1514999170cyclictest96892sleep1008:25:552
1514999170cyclictest96892sleep1008:25:552
1514999170cyclictest91812sleep1007:40:482
1514999170cyclictest8972sleep1011:56:052
1514999170cyclictest8932sleep1008:15:172
1514999170cyclictest87802chrt11:25:132
1514999170cyclictest82672sleep1012:05:432
1514999170cyclictest65562sleep1009:06:462
1514999170cyclictest62752sleep1010:35:212
1514999170cyclictest60542sleep1008:20:532
1514999170cyclictest55082chrt09:50:152
1514999170cyclictest50622sleep1011:20:032
1514999170cyclictest50622sleep1011:20:022
1514999170cyclictest47162sleep1012:01:432
1514999170cyclictest43532sleep1011:17:022
1514999170cyclictest39082sleep1010:31:452
1514999170cyclictest33622chrt09:46:152
1514999170cyclictest327622chrt10:28:432
1514999170cyclictest323682sleep1011:10:242
1514999170cyclictest321052chrt09:41:382
1514999170cyclictest315242chrt08:55:452
1514999170cyclictest311432chrt08:11:042
1514999170cyclictest307062chrt07:26:592
1514999170cyclictest3066350irq/52-eth0-rx-11:30:222
1514999170cyclictest3066350irq/52-eth0-rx-10:40:122
1514999170cyclictest3066350irq/52-eth0-rx-10:20:222
1514999170cyclictest3066350irq/52-eth0-rx-09:15:232
1514999170cyclictest293732sleep1011:06:122
1514999170cyclictest293732sleep1011:06:122
1514999170cyclictest283942sleep1009:35:372
1514999170cyclictest27852sleep1009:00:332
1514999170cyclictest27852sleep1009:00:332
1514999170cyclictest270692chrt07:21:592
1514999170cyclictest261532sleep1011:46:522
1514999170cyclictest256812sleep1011:00:472
1514999170cyclictest255842sleep1012:30:222
1514999170cyclictest243332sleep1008:46:562
1514999170cyclictest243332sleep1008:46:562
1514999170cyclictest239942sleep1009:30:252
1514999170cyclictest239012sleep1008:02:152
1514999170cyclictest228652sleep1012:26:222
1514999170cyclictest219122chrt07:15:212
1514999170cyclictest216382sleep1010:10:542
1514999170cyclictest211762sleep1009:26:242
1514999170cyclictest207942chrt08:43:192
1514999170cyclictest192352sleep1010:55:102
1514999170cyclictest191842sleep1012:20:442
1514999170cyclictest19132sleep1007:32:002
1514999170cyclictest187892sleep1011:35:402
1514999170cyclictest184752sleep1010:51:462
1514999170cyclictest174872sleep1009:20:482
1514999170cyclictest171972sleep1008:38:552
1514999170cyclictest171972sleep1008:38:552
1514999170cyclictest166712sleep1007:53:262
1514999170cyclictest164772sleep1010:05:172
1514999170cyclictest157162sleep1012:17:562
1514999170cyclictest156042sleep1007:10:092
1514999170cyclictest147962sleep1010:46:342
1514999170cyclictest134352sleep1008:32:182
1514999170cyclictest128152sleep1007:45:492
1514999170cyclictest12250irq/42-ahci08:50:202
1514999170cyclictest12250irq/42-ahci08:05:312
1514999170cyclictest12250irq/42-ahci07:55:212
1514999170cyclictest12250irq/42-ahci07:36:442
1514999170cyclictest119472sleep1012:11:192
1514999170cyclictest106172sleep1009:56:052
1514999170cyclictest103762sleep1009:13:242
1514899175cyclictest0-21swapper/911:35:0111
1514899170cyclictest0-21swapper/910:20:1811
1514899170cyclictest0-21swapper/909:00:3011
1514899170cyclictest0-21swapper/909:00:3011
1514899170cyclictest0-21swapper/908:09:1111
15148991615cyclictest741rcuc/912:31:5611
15148991615cyclictest18036-21latency_hist09:25:0111
15148991615cyclictest0-21swapper/910:15:1911
15148991615cyclictest0-21swapper/910:00:2811
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional