You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-18 - 08:58
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 Tue Nov 18, 2025 00:49:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2482913080,300ptp4l0-21swapper/119:09:501
236339915962,96cyclictest0-21swapper/2522:39:4418
329891148140,6phc2sys0-21swapper/219:05:4412
236339914315,124cyclictest151rcu_preempt22:45:0418
235449914363,78cyclictest0-21swapper/1323:53:175
235449914363,78cyclictest0-21swapper/1323:53:175
235899914235,67cyclictest0-21swapper/1922:10:1511
2346199141139,1cyclictest22-21ksoftirqd/121:13:031
236589914018,75cyclictest0-21swapper/2800:00:1621
236589914018,75cyclictest0-21swapper/2800:00:1521
235899914032,82cyclictest0-21swapper/1923:05:1711
235899914032,82cyclictest0-21swapper/1923:05:1711
23486991400,85cyclictest0-21swapper/521:17:3827
23633991380,86cyclictest0-21swapper/2523:42:0218
23633991380,86cyclictest0-21swapper/2523:42:0218
23597991380,85cyclictest0-21swapper/2020:16:4713
234869913857,42cyclictest0-21swapper/500:20:2527
23486991380,84cyclictest0-21swapper/522:58:3927
236339913750,56cyclictest0-21swapper/2523:39:3618
236339913750,56cyclictest0-21swapper/2523:39:3618
235829913733,102cyclictest0-21swapper/1821:25:5210
235319913716,28cyclictest0-21swapper/1100:14:063
234869913751,57cyclictest0-21swapper/523:45:0827
234869913751,57cyclictest0-21swapper/523:45:0727
23486991360,83cyclictest0-21swapper/523:20:2027
234869913550,56cyclictest0-21swapper/500:02:4627
234869913550,56cyclictest0-21swapper/500:02:4527
234869913525,68cyclictest0-21swapper/522:09:1427
236589913418,115cyclictest0-21swapper/2823:50:0621
236589913418,115cyclictest0-21swapper/2823:50:0621
236339913435,98cyclictest0-21swapper/2521:13:1018
236119913433,91cyclictest0-21swapper/2222:06:0115
234869913438,63cyclictest0-21swapper/521:14:2527
236589913318,85cyclictest0-21swapper/2822:10:5921
236339913348,55cyclictest0-21swapper/2522:25:1918
235319913334,82cyclictest0-21swapper/1121:10:153
234869913328,74cyclictest0-21swapper/523:26:3727
234869913328,74cyclictest0-21swapper/523:26:3727
234869913327,67cyclictest0-21swapper/519:45:1227
236589913218,70cyclictest0-21swapper/2823:45:0121
236589913218,70cyclictest0-21swapper/2823:45:0021
235899913226,66cyclictest0-21swapper/1921:15:4311
234869913243,58cyclictest0-21swapper/519:32:5527
234869913229,72cyclictest0-21swapper/500:13:5927
234869913227,67cyclictest0-21swapper/520:40:1327
234869913226,64cyclictest0-21swapper/523:55:1827
234869913226,64cyclictest0-21swapper/523:55:1727
234869913226,64cyclictest0-21swapper/521:30:1327
234869913225,64cyclictest0-21swapper/521:22:1127
236589913118,89cyclictest0-21swapper/2822:37:0921
236589913118,75cyclictest0-21swapper/2822:05:5421
236339913148,55cyclictest0-21swapper/2521:53:4618
235829913128,102cyclictest0-21swapper/1800:07:1610
235829913128,102cyclictest0-21swapper/1800:07:1510
235319913133,97cyclictest0-21swapper/1123:12:433
235319913133,97cyclictest0-21swapper/1123:12:423
234869913150,58cyclictest0-21swapper/521:27:1627
234869913129,72cyclictest0-21swapper/521:41:5627
234869913128,71cyclictest0-21swapper/523:51:3327
234869913128,71cyclictest0-21swapper/523:51:3227
234869913128,68cyclictest0-21swapper/523:39:5927
234869913128,68cyclictest0-21swapper/523:39:5827
234619913155,75cyclictest0-21swapper/121:54:271
23461991310,87cyclictest0-21swapper/100:23:011
23461991310,75cyclictest0-21swapper/121:31:441
236339913046,56cyclictest0-21swapper/2522:21:2518
236339913032,62cyclictest0-21swapper/2523:20:2118
236339913029,73cyclictest0-21swapper/2523:11:1618
236339913029,73cyclictest0-21swapper/2523:11:1518
236339913029,67cyclictest0-21swapper/2500:06:5118
236339913029,67cyclictest0-21swapper/2500:06:5118
236339913027,64cyclictest0-21swapper/2522:16:2918
235829913026,103cyclictest0-21swapper/1821:33:5210
234869913037,66cyclictest0-21swapper/521:37:2527
234869913036,64cyclictest0-21swapper/519:56:2627
234869913030,69cyclictest0-21swapper/522:29:1527
234869913030,67cyclictest0-21swapper/521:57:1027
234869913029,75cyclictest0-21swapper/522:45:2027
234869913029,67cyclictest0-21swapper/523:43:0027
234869913029,67cyclictest0-21swapper/523:42:5927
234869913028,66cyclictest0-21swapper/523:05:3627
234869913028,66cyclictest0-21swapper/523:05:3527
234869913027,70cyclictest0-21swapper/500:27:5427
236339912931,68cyclictest0-21swapper/2500:36:1518
236339912927,57cyclictest0-21swapper/2520:37:5418
235319912926,62cyclictest0-21swapper/1123:50:033
235319912926,62cyclictest0-21swapper/1123:50:023
234869912954,66cyclictest0-21swapper/519:19:1227
234869912930,74cyclictest0-21swapper/500:33:4627
23486991290,75cyclictest0-21swapper/520:58:4027
236589912818,100cyclictest0-21swapper/2820:25:0021
236339912839,58cyclictest0-21swapper/2520:45:2318
236339912832,61cyclictest0-21swapper/2521:29:1218
236339912829,64cyclictest0-21swapper/2500:17:3218
236339912824,65cyclictest0-21swapper/2521:48:4418
235899912831,51cyclictest0-21swapper/1900:12:5211
235319912829,64cyclictest0-21swapper/1100:01:483
235319912829,64cyclictest0-21swapper/1100:01:483
234869912855,62cyclictest0-21swapper/521:49:1027
234869912827,65cyclictest0-21swapper/523:13:0427
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional