You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-07-16 - 01:18
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 Jul 15, 2025 12:49:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2482912610,252ptp4l0-21swapper/107:06:371
265299919327,133cyclictest0-21swapper/410:23:0026
329891189181,6phc2sys0-21swapper/207:08:2512
265049916142,79cyclictest0-21swapper/010:40:220
265099915525,84cyclictest0-21swapper/111:05:401
265099915524,92cyclictest0-21swapper/110:49:401
265099915524,107cyclictest0-21swapper/108:38:261
265099915425,81cyclictest0-21swapper/110:56:031
265099915425,79cyclictest0-21swapper/110:34:081
265099915325,116cyclictest0-21swapper/109:46:351
265099915325,116cyclictest0-21swapper/109:46:351
265099915324,80cyclictest0-21swapper/112:37:191
265049915333,72cyclictest0-21swapper/012:24:470
265099915224,83cyclictest0-21swapper/110:14:051
265049915231,91cyclictest0-21swapper/010:35:190
265099915121,129cyclictest0-21swapper/111:35:041
265299914919,103cyclictest0-21swapper/411:15:2426
265049914827,62cyclictest0-21swapper/012:19:440
266409914754,21cyclictest151rcu_preempt11:28:5914
265099914724,78cyclictest0-21swapper/112:01:151
266599914615,85cyclictest0-21swapper/2409:25:5517
266599914615,85cyclictest0-21swapper/2409:25:5517
265299914427,70cyclictest0-21swapper/410:30:1626
265299914365,51cyclictest0-21swapper/408:30:0126
265099914322,80cyclictest0-21swapper/111:31:261
265299914250,59cyclictest0-21swapper/410:25:2526
26668991410,85cyclictest0-21swapper/2609:12:4619
26668991410,85cyclictest0-21swapper/2609:12:4519
26529991415,114cyclictest19058-21/usr/sbin/munin09:55:1626
26529991415,114cyclictest19058-21/usr/sbin/munin09:55:1626
265299914132,72cyclictest0-21swapper/409:13:5026
265299914132,72cyclictest0-21swapper/409:13:5026
265299914130,64cyclictest0-21swapper/410:55:2326
26504991410,84cyclictest0-21swapper/008:10:120
26668991400,86cyclictest0-21swapper/2612:22:5319
265049914030,68cyclictest0-21swapper/011:40:140
265299913932,64cyclictest0-21swapper/412:00:1426
265299913830,66cyclictest0-21swapper/411:11:4826
266409913722,62cyclictest151rcu_preempt12:36:2014
26640991364,129cyclictest151rcu_preempt07:41:3714
265299913657,66cyclictest0-21swapper/411:25:1826
265299913650,53cyclictest0-21swapper/411:50:2526
265299913628,64cyclictest0-21swapper/410:45:1626
26529991361,119cyclictest151rcu_preempt09:49:0626
26529991361,119cyclictest151rcu_preempt09:49:0626
265299913538,63cyclictest0-21swapper/409:20:1526
265299913538,63cyclictest0-21swapper/409:20:1526
265299913530,63cyclictest0-21swapper/409:50:1226
265299913530,63cyclictest0-21swapper/409:50:1226
265299913528,61cyclictest0-21swapper/410:41:2826
265099913525,69cyclictest0-21swapper/109:57:161
265099913525,69cyclictest0-21swapper/109:57:161
265049913544,59cyclictest0-21swapper/011:35:230
267079913452,55cyclictest0-21swapper/3109:31:0325
267079913425,64cyclictest0-21swapper/3110:02:3525
267079913425,64cyclictest0-21swapper/3110:02:3525
265299913433,64cyclictest0-21swapper/410:02:2526
265299913433,64cyclictest0-21swapper/410:02:2426
265299913430,64cyclictest0-21swapper/412:36:5226
265299913427,63cyclictest0-21swapper/410:15:1826
265299913427,63cyclictest0-21swapper/410:15:1726
267079913345,66cyclictest0-21swapper/3111:45:1125
267009913325,66cyclictest0-21swapper/3008:50:5624
265369913324,35cyclictest0-21swapper/510:12:1827
265299913342,67cyclictest0-21swapper/412:20:2126
265299913329,59cyclictest0-21swapper/412:05:2326
265299913324,73cyclictest0-21swapper/411:47:5226
265099913325,102cyclictest0-21swapper/107:40:011
26509991330,85cyclictest0-21swapper/110:27:441
267079913245,60cyclictest0-21swapper/3109:21:5825
267079913245,60cyclictest0-21swapper/3109:21:5825
267079913229,60cyclictest0-21swapper/3111:14:1125
267079913227,63cyclictest0-21swapper/3110:36:1525
267079913223,64cyclictest0-21swapper/3111:50:3225
267009913228,68cyclictest0-21swapper/3008:40:0224
265299913233,60cyclictest0-21swapper/411:20:2926
265299913230,66cyclictest0-21swapper/407:55:1726
265299913230,57cyclictest0-21swapper/408:41:4526
267079913139,59cyclictest0-21swapper/3111:07:4725
267079913130,66cyclictest0-21swapper/3111:22:1225
267079913128,70cyclictest0-21swapper/3108:26:5625
267009913126,63cyclictest0-21swapper/3009:37:2624
267009913126,63cyclictest0-21swapper/3009:37:2524
265299913147,54cyclictest0-21swapper/411:03:2226
265299913132,69cyclictest0-21swapper/407:10:2426
26509991310,114cyclictest0-21swapper/111:01:561
267079913027,69cyclictest0-21swapper/3110:11:4025
267079913027,65cyclictest0-21swapper/3112:04:5725
267079913027,64cyclictest0-21swapper/3108:16:4525
267079913024,61cyclictest0-21swapper/3110:51:4525
267079913018,78cyclictest0-21swapper/3109:55:0625
267079913018,78cyclictest0-21swapper/3109:55:0625
267009913031,68cyclictest0-21swapper/3011:44:3824
267009913029,70cyclictest0-21swapper/3007:47:2224
267009913029,67cyclictest0-21swapper/3011:16:3424
267009913029,66cyclictest0-21swapper/3011:23:3324
267009913026,67cyclictest0-21swapper/3011:49:2724
26668991303,67cyclictest0-21swapper/2608:35:2219
265299913025,64cyclictest0-21swapper/409:05:1726
267079912951,65cyclictest0-21swapper/3111:35:0225
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional