You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-20 - 05:15
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 Aug 20, 2026 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
671999783,30cyclictest2238-21/usr/sbin/munin20:10:132
671999760,73cyclictest27567-21taskset22:10:292
6719997410,62cyclictest0-21swapper/220:05:282
261112670,4sleep2321ktimersoftd/219:50:192
671999650,25cyclictest24770-21taskset19:48:142
134491640,12ptp4l0-21swapper/022:03:150
671999633,57cyclictest0-21swapper/219:20:292
671999629,18cyclictest12142-21latency_hist00:00:002
671999620,27cyclictest30281-21chrt23:28:242
134491620,3ptp4l2026-21ls21:15:270
671999611,27cyclictest23041-21taskset20:53:142
104662610,3sleep20-21swapper/220:25:212
671999600,26cyclictest18683-21taskset21:54:202
671999600,22cyclictest10168-21ntp_states19:15:232
671999600,22cyclictest10168-21ntp_states19:15:232
671999592,27cyclictest30104-21chrt22:18:152
671999590,28cyclictest18191-21taskset20:42:382
134491590,5ptp4l0-21swapper/323:20:113
671999581,26cyclictest15548-21taskset19:28:012
134491570,3ptp4l0-21swapper/322:48:583
134491570,3ptp4l0-21swapper/223:54:442
134491570,18ptp4l0-21swapper/022:39:110
672099565,10cyclictest0-21swapper/323:25:053
134491560,4ptp4l0-21swapper/223:10:042
134491560,4ptp4l0-21swapper/223:10:042
134491560,4ptp4l0-21swapper/000:00:000
134491560,3ptp4l0-21swapper/323:05:263
672099554,7cyclictest0-21swapper/323:30:233
672099545,10cyclictest0-21swapper/322:36:553
224292540,4sleep1671899cyclictest22:00:241
134491540,4ptp4l0-21swapper/023:18:430
134491540,3ptp4l0-21swapper/100:25:161
134491540,2ptp4l0-21swapper/120:18:511
672099535,13cyclictest0-21swapper/321:45:183
672099532,7cyclictest0-21swapper/323:15:113
134491530,11ptp4l4352-21apt-get19:05:242
672099525,10cyclictest0-21swapper/322:51:513
672099524,6cyclictest0-21swapper/321:40:273
672099524,10cyclictest0-21swapper/320:35:363
672099524,10cyclictest0-21swapper/300:28:283
671999522,22cyclictest0-21swapper/222:31:162
134691520,4getstats0-21swapper/221:40:012
134491520,3ptp4l0-21swapper/020:59:290
672099517,6cyclictest0-21swapper/320:45:213
672099515,10cyclictest0-21swapper/323:14:103
672099515,10cyclictest0-21swapper/323:14:103
672099514,10cyclictest0-21swapper/321:21:223
671999512,48cyclictest0-21swapper/200:21:292
672099506,6cyclictest0-21swapper/322:20:243
672099505,6cyclictest0-21swapper/300:39:083
672099505,10cyclictest0-21swapper/321:38:113
672099502,32cyclictest0-21swapper/320:30:193
134491500,3ptp4l0-21swapper/300:30:023
134491500,3ptp4l0-21swapper/222:08:162
672099495,10cyclictest0-21swapper/322:03:053
672099494,7cyclictest0-21swapper/323:36:133
672099494,11cyclictest0-21swapper/300:06:463
672099494,10cyclictest0-21swapper/319:14:453
672099493,6cyclictest0-21swapper/322:13:003
672099492,6cyclictest0-21swapper/321:55:293
672099492,34cyclictest0-21swapper/323:40:283
672099492,34cyclictest0-21swapper/322:40:203
672099490,6cyclictest401ktimersoftd/323:49:593
134491490,6ptp4l0-21swapper/019:06:010
134491490,5ptp4l671999cyclictest23:40:282
672099487,5cyclictest41-21ksoftirqd/322:34:593
672099486,7cyclictest0-21swapper/319:23:483
672099486,6cyclictest0-21swapper/321:17:383
672099485,7cyclictest0-21swapper/319:33:273
672099485,10cyclictest0-21swapper/300:03:453
672099484,6cyclictest0-21swapper/323:55:393
672099484,6cyclictest0-21swapper/323:01:513
672099484,10cyclictest0-21swapper/322:16:013
672099483,4cyclictest0-21swapper/322:55:143
672099482,6cyclictest0-21swapper/319:27:513
672099482,19cyclictest0-21swapper/320:16:093
134491480,4ptp4l0-21swapper/021:46:400
672099476,12cyclictest0-21swapper/321:25:443
672099475,10cyclictest0-21swapper/322:29:173
672099475,10cyclictest0-21swapper/321:14:043
672099472,6cyclictest0-21swapper/321:03:513
672099472,6cyclictest0-21swapper/321:03:513
672099472,6cyclictest0-21swapper/319:57:513
671999472,22cyclictest0-21swapper/219:11:542
671999471,44cyclictest0-21swapper/223:47:292
671999470,28cyclictest134491ptp4l21:40:162
134491470,4ptp4l0-21swapper/021:55:370
672099466,6cyclictest0-21swapper/320:20:293
672099466,5cyclictest0-21swapper/321:52:323
672099465,6cyclictest0-21swapper/320:28:233
672099465,6cyclictest0-21swapper/320:08:053
672099464,6cyclictest0-21swapper/300:21:353
672099463,7cyclictest0-21swapper/319:45:163
672099463,11cyclictest0-21swapper/319:36:273
671999462,18cyclictest0-21swapper/221:45:242
134491460,9ptp4l0-21swapper/319:05:233
134491460,4ptp4l0-21swapper/320:44:453
134491460,12ptp4l0-21swapper/022:10:260
672099457,5cyclictest0-21swapper/322:08:123
672099456,6cyclictest0-21swapper/319:50:433
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional