You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2023-06-04 - 06:26

x86 Intel Atom E3845 @1915 MHz, Linux 4.19.37-rt20 (Profile)

Latency plot of system in rack #b, slot #6
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
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 rackbslot6.osadl.org (updated Sun Jun 04, 2023 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2223621830,4sleep2557199cyclictest20:30:012
1522911510,5ptp4l391rcuc/319:57:203
2325921400,3sleep0556299cyclictest23:40:170
152291850,1ptp4l391rcuc/320:14:573
177612830,2sleep30-21swapper/322:58:173
177612830,2sleep30-21swapper/322:58:173
152291770,1ptp4l391rcuc/322:52:163
152291770,1ptp4l391rcuc/321:30:033
152291770,1ptp4l391rcuc/320:09:583
152291770,1ptp4l391rcuc/301:20:013
152291760,4ptp4l41-21ksoftirqd/320:31:293
208412750,4sleep320844-21unixbench_multi21:35:063
152291750,2ptp4l391rcuc/320:44:533
152291740,2ptp4l391rcuc/300:26:413
152291740,1ptp4l391rcuc/323:46:523
152291740,1ptp4l391rcuc/323:30:373
152291740,1ptp4l391rcuc/323:20:283
152291740,1ptp4l391rcuc/323:01:543
152291740,1ptp4l391rcuc/323:01:543
152291740,1ptp4l391rcuc/322:20:063
152291730,3ptp4l41-21ksoftirqd/300:18:563
152291730,2ptp4l391rcuc/322:03:123
152291730,1ptp4l391rcuc/323:06:533
152291730,1ptp4l391rcuc/322:15:013
152291730,1ptp4l391rcuc/301:15:043
152291720,3ptp4l391rcuc/300:07:053
152291720,2ptp4l391rcuc/323:15:443
152291720,2ptp4l391rcuc/301:03:503
152291720,1ptp4l391rcuc/322:46:113
152291720,1ptp4l391rcuc/300:21:023
152291710,2ptp4l391rcuc/323:39:563
152291710,2ptp4l391rcuc/300:13:353
152291710,1ptp4l391rcuc/322:39:213
152291710,1ptp4l391rcuc/322:32:483
152291700,2ptp4l391rcuc/300:35:463
152291700,1ptp4l391rcuc/323:36:423
152291700,1ptp4l391rcuc/323:29:043
152291700,1ptp4l391rcuc/322:24:293
152291700,1ptp4l391rcuc/322:07:513
152291700,1ptp4l391rcuc/301:10:553
152291700,1ptp4l391rcuc/300:29:473
152291690,2ptp4l391rcuc/301:26:543
152291690,1ptp4l391rcuc/301:07:203
152291690,1ptp4l391rcuc/300:56:003
152291690,1ptp4l391rcuc/300:45:263
152291690,1ptp4l391rcuc/300:45:263
152291680,1ptp4l391rcuc/300:04:103
152291660,2ptp4l391rcuc/323:50:063
152291660,2ptp4l391rcuc/321:55:033
53452654,10sleep20-21swapper/219:57:582
175252650,5sleep017528-21gltestperf23:34:590
323982640,3sleep0556299cyclictest22:37:420
152291640,1ptp4l391rcuc/321:02:313
152291640,1ptp4l391rcuc/321:02:313
5567996253,5cyclictest25-21ksoftirqd/121:59:481
152291610,1ptp4l391rcuc/322:09:503
152291600,1ptp4l391rcuc/321:10:043
152291590,1ptp4l391rcuc/319:59:503
152291580,1ptp4l391rcuc/300:43:123
294762570,1sleep20-21swapper/221:54:562
152291570,1ptp4l391rcuc/323:13:223
152291570,1ptp4l391rcuc/320:19:493
109652570,4sleep110962-21cat20:09:251
5567995646,6cyclictest25-21ksoftirqd/100:14:541
5567995645,6cyclictest25-21ksoftirqd/123:24:541
152291560,1ptp4l391rcuc/321:04:493
5567995538,10cyclictest25-21ksoftirqd/123:39:561
152291550,1ptp4l391rcuc/322:42:533
152291550,1ptp4l391rcuc/321:24:493
152291540,1ptp4l391rcuc/321:20:433
152291540,1ptp4l391rcuc/320:54:473
152291540,1ptp4l391rcuc/320:38:293
152291530,1ptp4l391rcuc/320:24:493
152291530,1ptp4l391rcuc/300:50:083
152291530,1ptp4l391rcuc/300:50:083
152291520,1ptp4l391rcuc/320:43:483
152291510,1ptp4l391rcuc/320:08:293
152291500,1ptp4l391rcuc/321:42:273
152291500,1ptp4l391rcuc/321:17:343
5567994936,6cyclictest25-21ksoftirqd/122:09:511
5567994836,6cyclictest25-21ksoftirqd/101:19:561
5567994733,7cyclictest25-21ksoftirqd/123:34:551
5567994433,5cyclictest25-21ksoftirqd/119:59:461
205912440,2sleep10-21swapper/122:24:461
52892424,10sleep00-21swapper/019:57:150
152291410,5ptp4l401ktimersoftd/323:57:113
5567993826,7cyclictest25-21ksoftirqd/120:54:471
5567993717,6cyclictest25-21ksoftirqd/120:59:461
5567993717,6cyclictest25-21ksoftirqd/120:59:461
18892370,4sleep0556299cyclictest22:02:410
5567993624,10cyclictest25-21ksoftirqd/100:39:301
152291360,11ptp4l401ktimersoftd/321:46:153
5567993527,3cyclictest25-21ksoftirqd/123:14:291
5571993418,8cyclictest33-21ksoftirqd/220:14:482
531723412,11sleep125-21ksoftirqd/119:57:371
152291340,1ptp4l391rcuc/320:49:533
5567993328,3cyclictest25-21ksoftirqd/122:09:271
5567993326,4cyclictest25-21ksoftirqd/100:25:051
557199320,2cyclictest121rcu_preempt23:25:062
5567993225,4cyclictest25-21ksoftirqd/122:34:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional