You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-12-04 - 17:39
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
Characteristics of the 100 highest latencies:
System rackdslot1.osadl.org (updated Thu Dec 04, 2025 12:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
114462650,6sleep2202199cyclictest07:30:012
2847191640,2ptp4l16176-21phc2sys-jitter09:55:250
319742610,4sleep20-21swapper/210:30:172
2847191610,4ptp4l22603-21cat11:20:160
2847191610,18ptp4l0-21swapper/210:55:202
2847191600,4ptp4l0-21swapper/111:50:291
2847191590,4ptp4l0-21swapper/210:52:412
2847191590,3ptp4l25490-21ls10:15:220
2847191580,4ptp4l0-21swapper/208:25:342
2847191580,3ptp4l0-21swapper/010:00:200
2847191570,3ptp4l0-21swapper/012:01:180
2847191570,3ptp4l0-21swapper/012:01:180
2847191570,3ptp4l0-21swapper/009:45:500
2847191570,3ptp4l0-21swapper/008:20:200
26242570,4sleep20-21swapper/210:35:262
2847191560,4ptp4l0-21swapper/007:13:230
2847191550,4ptp4l0-21swapper/012:21:480
2847191550,17ptp4l33-21ksoftirqd/212:30:252
2847191550,14ptp4l26558-21smart_sda12:35:271
2847191540,4ptp4l0-21swapper/211:49:312
2847191540,3ptp4l30791-21hwlatdetect08:10:160
2847191540,3ptp4l0-21swapper/007:44:260
2847191540,13ptp4l0-21swapper/009:25:290
2847191530,4ptp4l0-21swapper/210:06:072
2847191530,4ptp4l0-21swapper/209:28:552
2847191530,4ptp4l0-21swapper/208:58:232
2847191530,4ptp4l0-21swapper/208:23:392
2847191530,4ptp4l0-21swapper/109:37:491
2847191530,4ptp4l0-21swapper/008:52:550
2847191520,4ptp4l0-21swapper/212:08:102
2847191520,4ptp4l0-21swapper/011:36:140
2847191520,4ptp4l0-21swapper/010:47:210
2847191520,4ptp4l0-21swapper/008:38:540
2847191520,3ptp4l0-21swapper/209:52:062
2847191520,3ptp4l0-21swapper/011:01:590
2847191520,3ptp4l0-21swapper/007:15:220
2847191510,4ptp4l0-21swapper/210:20:412
2847191510,4ptp4l0-21swapper/209:24:162
2847191510,4ptp4l0-21swapper/208:11:092
2847191510,4ptp4l0-21swapper/011:25:390
2847191510,4ptp4l0-21swapper/009:13:290
2847191510,3ptp4l0-21swapper/211:05:372
2847191500,5ptp4l9-21ksoftirqd/012:25:200
2847191500,5ptp4l0-21swapper/107:05:101
2847191500,4ptp4l0-21swapper/312:03:103
2847191500,4ptp4l0-21swapper/312:03:103
2847191500,4ptp4l0-21swapper/311:24:363
2847191500,4ptp4l0-21swapper/210:28:492
2847191500,4ptp4l0-21swapper/011:48:070
2847191500,4ptp4l0-21swapper/010:41:560
2847191500,4ptp4l0-21swapper/007:54:420
2847191490,4ptp4l0-21swapper/311:55:263
2847191490,4ptp4l0-21swapper/310:58:323
2847191490,4ptp4l0-21swapper/209:18:482
2847191490,4ptp4l0-21swapper/111:41:391
2847191490,4ptp4l0-21swapper/107:31:221
2847191490,4ptp4l0-21swapper/107:31:221
2847191490,4ptp4l0-21swapper/012:17:550
2847191490,4ptp4l0-21swapper/011:08:480
2847191490,4ptp4l0-21swapper/008:07:370
2847191490,3ptp4l0-21swapper/308:13:373
2847191490,3ptp4l0-21swapper/012:10:360
2847191490,3ptp4l0-21swapper/011:32:030
2847191490,3ptp4l0-21swapper/011:32:030
2847191480,4ptp4l0-21swapper/310:50:593
2847191480,4ptp4l0-21swapper/209:39:002
2847191480,4ptp4l0-21swapper/011:14:550
2847191480,2ptp4l0-21swapper/007:34:010
2847191480,2ptp4l0-21swapper/007:34:010
2847191470,4ptp4l0-21swapper/110:59:411
2847191470,4ptp4l0-21swapper/107:57:211
2847191470,3ptp4l0-21swapper/009:52:390
2847191470,3ptp4l0-21swapper/007:35:210
2847191460,6ptp4l736-21ntp_states07:05:220
2847191460,4ptp4l0-21swapper/012:38:040
2847191460,4ptp4l0-21swapper/009:07:570
2847191460,3ptp4l0-21swapper/111:31:161
2847191460,3ptp4l0-21swapper/111:31:161
2847191450,5ptp4l11323-21meminfo09:45:211
2847191450,4ptp4l0-21swapper/108:41:091
2847191450,4ptp4l0-21swapper/108:41:091
202099451,42cyclictest0-21swapper/108:13:091
2847191440,8ptp4l0-21swapper/211:52:132
2847191440,5ptp4l0-21swapper/209:55:132
2847191440,4ptp4l10364-21apt-get09:45:143
2847191440,4ptp4l0-21swapper/311:37:123
2847191430,5ptp4l0-21swapper/209:40:122
2847191430,3ptp4l41-21ksoftirqd/307:27:353
2847191420,7ptp4l0-21swapper/011:18:340
2847191420,5ptp4l12675-21apt-get09:50:141
2847191420,5ptp4l0-21swapper/310:18:013
2847191420,4ptp4l9570-21apt-get08:35:111
2847191420,4ptp4l5548-21meminfo07:15:211
2847191420,4ptp4l25422-21meminfo10:15:211
2847191420,4ptp4l14211-21apt-get08:45:121
2847191420,4ptp4l0-21swapper/109:34:021
2847191420,4ptp4l0-21swapper/012:30:160
2847191420,3ptp4l2769-21memory11:45:221
2847191420,3ptp4l16522-21apt-get08:50:141
2847191420,3ptp4l121rcu_preempt07:27:321
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional