You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-24 - 10:10
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 Fri Apr 24, 2026 00:49:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3273912320,224ptp4l0-21swapper/119:08:001
14557991608,9cyclictest151rcu_preempt00:21:5724
14522991602,132cyclictest0-21swapper/2521:17:2918
144439916016,142cyclictest0-21swapper/1422:56:106
14522991592,134cyclictest0-21swapper/2523:02:4618
144439915916,142cyclictest0-21swapper/1400:31:516
144439915916,131cyclictest0-21swapper/1423:03:056
14522991582,155cyclictest0-21swapper/2521:58:0618
14522991582,155cyclictest0-21swapper/2521:23:1318
14522991582,155cyclictest0-21swapper/2521:23:1318
14522991582,151cyclictest0-21swapper/2523:43:5518
144439915816,94cyclictest0-21swapper/1422:41:136
144439915816,106cyclictest0-21swapper/1400:21:406
14522991572,136cyclictest0-21swapper/2523:25:1218
14522991572,124cyclictest0-21swapper/2523:30:0118
14522991572,120cyclictest0-21swapper/2500:20:1518
14522991562,118cyclictest0-21swapper/2523:22:1718
14522991562,110cyclictest0-21swapper/2521:49:3318
14522991562,102cyclictest0-21swapper/2521:36:1118
144439915310,87cyclictest0-21swapper/1420:24:236
144439915310,87cyclictest0-21swapper/1420:24:226
144539915274,27cyclictest151rcu_preempt19:20:187
14522991492,146cyclictest0-21swapper/2519:50:2218
14522991492,103cyclictest0-21swapper/2522:13:3518
14522991472,115cyclictest0-21swapper/2522:06:3918
14541991460,86cyclictest0-21swapper/2822:50:2021
14443991460,88cyclictest0-21swapper/1423:10:206
145289914214,122cyclictest0-21swapper/2600:35:1519
14522991412,99cyclictest0-21swapper/2522:16:4818
14522991412,109cyclictest0-21swapper/2523:14:0018
14541991400,82cyclictest0-21swapper/2820:06:1521
14541991390,81cyclictest0-21swapper/2821:17:5221
145289913920,115cyclictest0-21swapper/2621:05:1219
145289913920,115cyclictest0-21swapper/2621:05:1219
144539913911,81cyclictest0-21swapper/1521:05:017
144539913911,81cyclictest0-21swapper/1521:05:017
14393991390,88cyclictest0-21swapper/723:44:1029
14541991381,82cyclictest0-21swapper/2823:00:2621
14487991380,89cyclictest0-21swapper/2000:10:2213
144439913816,89cyclictest0-21swapper/1420:45:146
144439913816,89cyclictest0-21swapper/1420:45:136
145289913717,71cyclictest0-21swapper/2620:50:0519
145289913717,71cyclictest0-21swapper/2620:50:0419
14453991370,85cyclictest0-21swapper/1500:29:117
145419913615,72cyclictest0-21swapper/2822:06:4521
14541991360,80cyclictest0-21swapper/2823:45:2321
14541991350,80cyclictest0-21swapper/2819:20:1821
145419913442,60cyclictest0-21swapper/2821:40:1821
14541991340,79cyclictest0-21swapper/2820:22:5021
14541991340,79cyclictest0-21swapper/2820:22:4921
14522991342,80cyclictest0-21swapper/2500:05:5018
14522991342,105cyclictest0-21swapper/2521:04:0718
14522991342,105cyclictest0-21swapper/2521:04:0618
14393991340,89cyclictest0-21swapper/722:45:2229
145419913327,68cyclictest0-21swapper/2822:20:2621
145419913327,67cyclictest0-21swapper/2800:04:3721
145419913322,74cyclictest0-21swapper/2823:25:3621
14541991330,78cyclictest0-21swapper/2822:44:1121
14541991320,78cyclictest0-21swapper/2823:40:0221
14541991320,76cyclictest0-21swapper/2823:05:1821
144539913247,64cyclictest0-21swapper/1520:55:247
144539913247,64cyclictest0-21swapper/1520:55:247
145419913129,62cyclictest0-21swapper/2823:12:2921
145419913128,67cyclictest0-21swapper/2800:19:0121
145419913128,65cyclictest0-21swapper/2820:00:2221
145419913128,65cyclictest0-21swapper/2819:17:0621
145419913128,59cyclictest0-21swapper/2800:26:0021
144439913116,85cyclictest0-21swapper/1400:02:276
144239913111,114cyclictest151rcu_preempt22:56:393
145419913051,67cyclictest0-21swapper/2821:05:1621
145419913051,67cyclictest0-21swapper/2821:05:1521
145419913047,50cyclictest0-21swapper/2821:27:1421
145419913035,60cyclictest0-21swapper/2822:34:4721
145419913027,65cyclictest0-21swapper/2820:30:2021
145419913027,65cyclictest0-21swapper/2820:30:1921
145419913027,63cyclictest0-21swapper/2823:50:4521
145419913026,65cyclictest0-21swapper/2800:20:4821
145419913024,65cyclictest0-21swapper/2823:58:1221
145419913024,64cyclictest0-21swapper/2800:14:0421
14541991300,82cyclictest0-21swapper/2819:55:0221
14541991300,77cyclictest0-21swapper/2823:36:0021
14423991300,77cyclictest0-21swapper/1120:40:233
14423991300,77cyclictest0-21swapper/1120:40:233
145419912931,67cyclictest0-21swapper/2800:30:1721
145419912929,69cyclictest0-21swapper/2819:34:2821
145419912927,68cyclictest0-21swapper/2823:30:2521
144439912912,73cyclictest0-21swapper/1423:41:366
145419912827,66cyclictest0-21swapper/2821:30:2621
145419912827,66cyclictest0-21swapper/2821:30:2621
145419912827,65cyclictest0-21swapper/2821:45:2121
14541991280,75cyclictest0-21swapper/2819:50:1321
14428991285,50cyclictest151rcu_preempt00:10:474
144239912853,62cyclictest82-21ksoftirqd/1121:35:253
145509912721,20cyclictest0-21swapper/2920:45:2922
145509912721,20cyclictest0-21swapper/2920:45:2922
14541991270,79cyclictest0-21swapper/2822:35:2421
144819912731,95cyclictest0-21swapper/1921:28:3511
145419912627,65cyclictest0-21swapper/2821:55:1721
145419912626,70cyclictest0-21swapper/2822:00:5021
145419912617,74cyclictest0-21swapper/2800:35:3621
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional