You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-12-01 - 20:32
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 Mon Dec 01, 2025 12:45:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1843522050,4sleep30-21swapper/307:05:363
3190621340,3sleep01921799cyclictest09:55:150
1597121300,6sleep21921999cyclictest09:20:192
2847191680,27ptp4l8932-21apt-get11:25:123
2847191670,5ptp4l0-21swapper/111:00:321
2847191670,2ptp4l121rcu_preempt09:45:263
2847191630,4ptp4l0-21swapper/008:35:260
2847191600,4ptp4l0-21swapper/111:54:561
2847191590,5ptp4l0-21swapper/007:07:270
2847191590,4ptp4l0-21swapper/110:15:271
2847191590,4ptp4l0-21swapper/010:50:250
2847191580,5ptp4l0-21swapper/308:32:513
2847191580,4ptp4l0-21swapper/309:17:523
2847191580,4ptp4l0-21swapper/112:07:401
2847191580,3ptp4l0-21swapper/311:35:133
2847191580,3ptp4l0-21swapper/309:05:183
2847191570,5ptp4l0-21swapper/107:09:281
2847191570,3ptp4l0-21swapper/208:50:002
2847191560,16ptp4l0-21swapper/112:21:421
2847191550,3ptp4l0-21swapper/111:46:101
2847191550,3ptp4l0-21swapper/108:55:131
19218995525,7cyclictest25-21ksoftirqd/110:05:301
2847191540,4ptp4l0-21swapper/111:43:191
2847191540,4ptp4l0-21swapper/111:43:181
2847191540,4ptp4l0-21swapper/010:23:470
2847191540,3ptp4l0-21swapper/207:40:212
276772540,4sleep30-21swapper/308:35:233
2847191530,4ptp4l0-21swapper/310:55:173
2847191530,4ptp4l0-21swapper/111:38:451
2847191530,4ptp4l0-21swapper/111:11:111
2847191530,4ptp4l0-21swapper/109:41:241
2847191530,3ptp4l0-21swapper/111:57:251
2847191520,4ptp4l0-21swapper/309:33:213
2847191520,4ptp4l0-21swapper/112:37:161
2847191520,4ptp4l0-21swapper/111:22:251
2847191520,4ptp4l0-21swapper/110:02:461
2847191520,4ptp4l0-21swapper/008:46:270
2847191520,3ptp4l0-21swapper/107:23:061
2847191520,12ptp4l0-21swapper/109:07:301
2847191510,4ptp4l0-21swapper/008:14:520
2847191510,3ptp4l0-21swapper/111:18:371
2847191500,4ptp4l0-21swapper/310:18:353
2847191500,4ptp4l0-21swapper/211:41:182
2847191500,4ptp4l0-21swapper/211:41:182
2847191500,4ptp4l0-21swapper/107:26:471
2847191500,3ptp4l0-21swapper/007:13:070
2847191500,12ptp4l0-21swapper/112:34:311
2847191490,4ptp4l0-21swapper/212:24:042
2847191490,3ptp4l0-21swapper/307:50:343
2847191490,3ptp4l0-21swapper/111:31:341
2847191490,3ptp4l0-21swapper/108:11:111
122192490,4sleep112222-21latency_hist08:05:001
2847191480,4ptp4l0-21swapper/309:24:113
2847191480,4ptp4l0-21swapper/208:15:572
2847191480,3ptp4l0-21swapper/310:13:203
2847191480,3ptp4l0-21swapper/112:12:511
2847191480,3ptp4l0-21swapper/112:12:511
2847191480,2ptp4l0-21swapper/312:35:203
2849491470,10getstats33-21ksoftirqd/211:19:592
2847191470,4ptp4l0-21swapper/212:03:482
2847191470,4ptp4l0-21swapper/109:02:421
2847191470,3ptp4l0-21swapper/108:52:441
2847191470,13ptp4l0-21swapper/212:30:132
2847191470,11ptp4l0-21swapper/107:39:331
2847191470,10ptp4l0-21swapper/211:29:082
1921899472,5cyclictest0-21swapper/107:45:271
2847191460,7ptp4l0-21swapper/011:04:570
2847191460,6ptp4l0-21swapper/310:00:273
2847191460,5ptp4l0-21swapper/308:00:013
2847191460,4ptp4l16964-21ls09:20:280
2847191460,3ptp4l0-21swapper/208:40:192
2847191460,3ptp4l0-21swapper/008:50:110
2847191460,2ptp4l0-21swapper/107:44:231
2847191460,11ptp4l0-21swapper/311:55:283
2847191450,9ptp4l0-21swapper/208:56:202
2847191450,6ptp4l0-21swapper/312:18:113
2847191450,4ptp4l31957-21apt-get11:05:133
2847191450,4ptp4l1910-21apt-get11:10:133
2847191450,4ptp4l15731-21apt-get10:30:143
2847191450,4ptp4l13548-21apt-get11:35:122
2847191450,4ptp4l0-21swapper/010:00:070
2847191450,3ptp4l6468-21ls07:50:221
2847191450,2ptp4l0-21swapper/010:33:470
2847191450,10ptp4l0-21swapper/307:17:093
1921999456,3cyclictest121rcu_preempt07:25:492
2847191440,9ptp4l0-21swapper/310:45:273
2847191440,9ptp4l0-21swapper/212:16:152
2847191440,9ptp4l0-21swapper/207:58:192
2847191440,9ptp4l0-21swapper/207:30:472
2847191440,5ptp4l0-21swapper/312:30:133
2847191440,4ptp4l24995-21apt-get10:50:133
2847191440,4ptp4l1778-21gnome-shell12:04:591
2847191440,4ptp4l0-21swapper/112:15:301
2847191440,3ptp4l3133-21apt-get07:45:142
2847191440,3ptp4l29275-21apt-get09:50:121
2847191440,3ptp4l18037-21apt-get10:35:132
2847191440,10ptp4l0-21swapper/209:57:592
2847191430,9ptp4l0-21swapper/209:51:412
2847191430,8ptp4l0-21swapper/211:52:392
2847191430,6ptp4l0-21swapper/309:00:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional