You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-20 - 05:39
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 rackcslot8.osadl.org (updated Thu Nov 20, 2025 00:49:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
651699388190,1cyclictest151rcu_preempt22:03:1817
2482911950,187ptp4l0-21swapper/119:07:561
2482911950,187ptp4l0-21swapper/119:07:561
6348991720,156cyclictest0-21swapper/223:07:5112
64369916822,128cyclictest0-21swapper/1322:30:245
64369916725,87cyclictest0-21swapper/1322:04:465
64519916322,113cyclictest0-21swapper/1522:31:317
64519916222,104cyclictest0-21swapper/1519:25:017
64519916222,104cyclictest0-21swapper/1519:25:017
63489916018,116cyclictest0-21swapper/220:21:4012
64519915922,83cyclictest0-21swapper/1522:25:057
64869915854,88cyclictest0-21swapper/2023:10:3213
64369915725,83cyclictest0-21swapper/1321:32:095
65169915651,64cyclictest0-21swapper/2423:53:1417
65169915651,64cyclictest0-21swapper/2423:53:1317
6348991563,107cyclictest0-21swapper/220:35:1912
65169915225,83cyclictest0-21swapper/2421:35:2117
65169914922,31cyclictest0-21swapper/2400:21:3417
65169914922,31cyclictest0-21swapper/2400:21:3317
64519914620,86cyclictest0-21swapper/1521:09:137
63489914614,113cyclictest0-21swapper/222:16:1912
6493991450,85cyclictest0-21swapper/2122:05:1614
6348991431,84cyclictest0-21swapper/200:12:1612
6348991431,84cyclictest0-21swapper/200:12:1612
6348991410,86cyclictest0-21swapper/223:30:0412
6348991410,86cyclictest0-21swapper/223:30:0412
6348991410,86cyclictest0-21swapper/222:49:2712
6348991410,84cyclictest0-21swapper/223:56:3012
6348991410,84cyclictest0-21swapper/223:56:2912
6486991400,83cyclictest0-21swapper/2000:25:1313
63489914059,53cyclictest1342-21snmpd23:02:1712
65479913925,113cyclictest0-21swapper/2822:44:2121
64869913949,54cyclictest0-21swapper/2021:34:5913
64869913927,85cyclictest0-21swapper/2022:00:2613
6348991390,87cyclictest0-21swapper/200:34:1212
65479913825,78cyclictest0-21swapper/2821:19:1021
65479913825,77cyclictest0-21swapper/2800:30:3921
6493991380,86cyclictest0-21swapper/2123:24:3114
6493991380,86cyclictest0-21swapper/2123:24:3014
6493991380,85cyclictest0-21swapper/2121:18:5514
64869913829,64cyclictest0-21swapper/2021:36:2113
64869913824,87cyclictest0-21swapper/2020:40:1513
64029913843,58cyclictest0-21swapper/900:36:1631
63489913828,67cyclictest0-21swapper/222:28:3812
63489913818,80cyclictest0-21swapper/221:39:5912
6348991380,85cyclictest0-21swapper/223:43:5712
6348991380,85cyclictest0-21swapper/223:43:5712
6348991380,82cyclictest0-21swapper/222:06:1112
6348991380,80cyclictest0-21swapper/200:16:0212
6348991380,80cyclictest0-21swapper/200:16:0212
6338991380,81cyclictest0-21swapper/021:41:210
6547991370,85cyclictest0-21swapper/2822:36:5221
6547991370,81cyclictest0-21swapper/2800:25:2521
65169913749,57cyclictest0-21swapper/2421:54:3417
6516991370,84cyclictest0-21swapper/2421:56:5817
64869913751,55cyclictest0-21swapper/2020:35:2313
64869913748,56cyclictest0-21swapper/2021:19:4613
64029913749,67cyclictest0-21swapper/900:14:0231
64029913749,67cyclictest0-21swapper/900:14:0131
64029913749,61cyclictest0-21swapper/923:59:3531
64029913749,61cyclictest0-21swapper/923:59:3531
6348991371,80cyclictest0-21swapper/223:11:5412
65169913629,69cyclictest0-21swapper/2423:25:2617
64869913634,68cyclictest0-21swapper/2023:29:4613
64869913627,69cyclictest0-21swapper/2023:20:1713
64869913627,69cyclictest0-21swapper/2023:20:1713
64029913644,63cyclictest0-21swapper/922:44:1431
64029913630,67cyclictest0-21swapper/922:23:5531
63489913648,55cyclictest0-21swapper/223:39:0912
63489913648,55cyclictest0-21swapper/223:39:0912
6348991361,77cyclictest0-21swapper/221:40:1612
6564991350,87cyclictest0-21swapper/3021:22:4824
65169913549,60cyclictest0-21swapper/2423:10:2617
64869913553,60cyclictest0-21swapper/2022:57:3313
64869913552,60cyclictest0-21swapper/2021:52:3013
64869913529,71cyclictest0-21swapper/2022:20:1213
64869913529,68cyclictest0-21swapper/2022:09:0413
64869913528,71cyclictest0-21swapper/2020:06:1313
64869913528,68cyclictest0-21swapper/2021:21:5413
64869913527,66cyclictest0-21swapper/2021:48:3813
64869913526,65cyclictest0-21swapper/2020:50:2313
64029913532,73cyclictest0-21swapper/920:53:1131
63489913558,64cyclictest0-21swapper/221:20:2612
6348991350,84cyclictest0-21swapper/200:04:1612
6348991350,84cyclictest0-21swapper/200:04:1612
6348991350,79cyclictest0-21swapper/220:29:5912
65649913444,60cyclictest0-21swapper/3023:49:1424
65649913444,60cyclictest0-21swapper/3023:49:1424
65649913428,67cyclictest0-21swapper/3000:15:5824
65649913428,67cyclictest0-21swapper/3000:15:5824
65169913451,60cyclictest0-21swapper/2423:41:2917
65169913451,60cyclictest0-21swapper/2423:41:2817
64869913431,69cyclictest0-21swapper/2000:03:2113
64869913431,69cyclictest0-21swapper/2000:03:2113
64869913429,68cyclictest0-21swapper/2023:00:1513
64869913429,68cyclictest0-21swapper/2022:30:0313
64869913427,63cyclictest0-21swapper/2019:34:3413
64869913427,63cyclictest0-21swapper/2019:34:3313
64869913425,66cyclictest0-21swapper/2019:56:0113
64519913422,71cyclictest0-21swapper/1500:00:137
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional