You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2023-10-01 - 01:24
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 rackbslot7 (updated Sat Sep 30, 2023 12:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8488211010,71sleep10-21swapper/107:02:331
138492980,4sleep0181irq_work/011:42:430
935428931,32sleep20-21swapper/207:03:202
9778998534,23cyclictest141rcu_preempt12:13:220
855028521,15sleep3141rcu_preempt07:02:353
9778998347,8cyclictest141rcu_preempt09:47:250
9778998347,8cyclictest141rcu_preempt09:47:250
909428211,34sleep00-21swapper/007:02:530
9783998042,13cyclictest25-21ksoftirqd/108:12:431
9778998040,13cyclictest141rcu_preempt12:32:020
9778998040,13cyclictest141rcu_preempt12:32:020
9778998035,16cyclictest141rcu_preempt10:15:020
9778997941,13cyclictest361-21in:imklog09:35:460
9798997847,7cyclictest141rcu_preempt09:50:533
9798997847,7cyclictest141rcu_preempt09:50:533
9798997839,9cyclictest141rcu_preempt07:12:073
9778997838,14cyclictest141rcu_preempt09:23:000
9778997838,14cyclictest141rcu_preempt09:23:000
9798997738,9cyclictest141rcu_preempt12:27:373
9798997738,9cyclictest141rcu_preempt12:27:373
9778997723,38cyclictest0-21swapper/009:07:210
9778997723,38cyclictest0-21swapper/009:07:210
9798997533,10cyclictest141rcu_preempt12:04:173
9778997533,19cyclictest0-21swapper/008:27:340
9788997445,8cyclictest141rcu_preempt09:12:482
9783997456,11cyclictest27951-21fschecks_time11:12:301
9783997456,11cyclictest27951-21fschecks_time11:12:301
9788997335,18cyclictest361-21in:imklog11:43:252
9783997336,21cyclictest141rcu_preempt07:37:531
9783997329,17cyclictest361-21in:imklog11:29:531
9778997333,21cyclictest141rcu_preempt08:57:100
9778997329,7cyclictest141rcu_preempt11:17:430
978399724,45cyclictest0-21swapper/112:14:101
9783997234,13cyclictest141rcu_preempt07:12:291
9783997230,22cyclictest141rcu_preempt11:39:051
9798997140,7cyclictest141rcu_preempt09:16:593
9798997136,13cyclictest141rcu_preempt08:17:363
9788997139,8cyclictest141rcu_preempt07:40:332
9783997131,12cyclictest141rcu_preempt08:42:301
9783997124,27cyclictest141rcu_preempt07:27:431
9783997121,18cyclictest141rcu_preempt10:22:201
9778997142,9cyclictest141rcu_preempt09:27:230
9778997142,8cyclictest141rcu_preempt10:22:260
9798997044,17cyclictest5087-21ntp_kernel_pll_12:22:353
9798997041,8cyclictest141rcu_preempt10:24:263
9798997039,7cyclictest141rcu_preempt10:41:033
9788997032,19cyclictest276-21systemd-journal09:37:522
9778997036,9cyclictest0-21swapper/011:07:020
9778997032,17cyclictest16880-21diskmemload11:51:270
9778997023,27cyclictest141rcu_preempt10:47:210
9798996932,8cyclictest141rcu_preempt10:28:343
9788996943,7cyclictest141rcu_preempt12:33:252
978399694,50cyclictest0-21swapper/109:07:311
978399694,50cyclictest0-21swapper/109:07:311
9783996935,12cyclictest25-21ksoftirqd/107:19:011
9783996935,12cyclictest25-21ksoftirqd/107:19:011
9783996933,15cyclictest141rcu_preempt11:54:141
9783996933,15cyclictest141rcu_preempt11:54:141
9783996933,13cyclictest141rcu_preempt10:03:071
9783996931,12cyclictest141rcu_preempt11:46:031
9778996928,12cyclictest141rcu_preempt11:14:500
9778996928,12cyclictest141rcu_preempt11:14:500
9798996836,7cyclictest141rcu_preempt12:10:413
9798996833,16cyclictest141rcu_preempt11:03:153
9798996815,20cyclictest41-21ksoftirqd/311:22:243
9788996852,10cyclictest9174-21systemd-run10:42:012
978399689,31cyclictest25-21ksoftirqd/108:27:421
9783996841,9cyclictest141rcu_preempt09:17:431
9783996837,13cyclictest25-21ksoftirqd/110:49:081
9783996833,14cyclictest141rcu_preempt10:33:481
9783996830,10cyclictest141rcu_preempt09:30:101
9798996739,8cyclictest141rcu_preempt11:53:143
9798996739,8cyclictest141rcu_preempt11:53:143
9798996735,7cyclictest141rcu_preempt11:07:323
9798996733,18cyclictest141rcu_preempt11:15:153
9798996733,18cyclictest141rcu_preempt11:15:153
9788996752,8cyclictest0-21swapper/212:02:292
9788996749,10cyclictest0-21swapper/209:57:452
9788996731,16cyclictest141rcu_preempt10:28:112
9783996746,13cyclictest15796-21fschecks_count09:57:311
9783996738,14cyclictest141rcu_preempt09:02:301
9783996735,8cyclictest141rcu_preempt07:47:341
9783996731,12cyclictest141rcu_preempt09:32:311
9783996729,21cyclictest141rcu_preempt10:27:411
9783996727,19cyclictest141rcu_preempt10:39:431
978399672,25cyclictest24772-21ssh10:12:301
9778996752,9cyclictest20109-21munin-plugin-st07:37:000
9778996742,16cyclictest1844-21cut12:17:280
9778996741,12cyclictest12-21ksoftirqd/010:19:520
9778996736,7cyclictest141rcu_preempt07:12:070
9778996733,14cyclictest141rcu_preempt08:24:380
9778996733,14cyclictest141rcu_preempt08:24:380
9778996733,13cyclictest141rcu_preempt11:58:130
9778996733,13cyclictest141rcu_preempt11:58:130
9778996730,7cyclictest141rcu_preempt08:37:400
9778996729,18cyclictest141rcu_preempt10:58:380
9778996728,19cyclictest52-21kcompactd009:37:200
9778996728,16cyclictest141rcu_preempt10:32:380
9798996636,7cyclictest141rcu_preempt10:17:103
9798996636,12cyclictest11256-21ssh11:37:583
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional