You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-23 - 03:26
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 Sun Aug 23, 2026 00:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3019122010,4sleep20-21swapper/219:09:152
3113321860,16sleep331131-21sort19:08:493
1763821850,5sleep11969-21spawn19:05:291
1994321530,3sleep21462399cyclictest20:41:222
1239521240,6sleep01462199cyclictest20:25:230
134491920,18ptp4l11956-21expr19:10:311
148562820,9sleep01964-21spawn19:05:240
220882730,5sleep31462499cyclictest00:15:183
214482680,5sleep00-21swapper/023:05:180
167682630,5sleep31462499cyclictest19:25:243
134491620,3ptp4l21621-21iostat_ios21:55:181
1462399617,12cyclictest0-21swapper/221:40:232
1462399605,12cyclictest0-21swapper/200:00:142
14622995912,45cyclictest16570-21kworker/1:123:10:291
134491590,4ptp4l0-21swapper/021:02:040
134491590,3ptp4l0-21swapper/323:39:323
134491590,3ptp4l0-21swapper/023:15:220
134491590,3ptp4l0-21swapper/023:15:220
134491590,3ptp4l0-21swapper/019:40:260
1462399586,6cyclictest0-21swapper/223:35:242
1462399583,11cyclictest27824-21sort19:12:432
1462399576,6cyclictest0-21swapper/223:45:222
1462399576,6cyclictest0-21swapper/222:40:172
134491570,5ptp4l28313-21wc19:13:280
134491570,3ptp4l0-21swapper/323:56:293
134491570,3ptp4l0-21swapper/022:50:240
134491570,3ptp4l0-21swapper/022:15:250
245202560,3sleep00-21swapper/020:50:260
1462399567,7cyclictest0-21swapper/220:30:212
1462399567,7cyclictest0-21swapper/219:50:182
1462399567,6cyclictest0-21swapper/221:35:162
1462399567,6cyclictest0-21swapper/220:45:132
1462399567,6cyclictest0-21swapper/219:45:212
1462399567,6cyclictest0-21swapper/219:25:232
1462399567,6cyclictest0-21swapper/200:30:252
1462399566,7cyclictest0-21swapper/223:30:172
1462399566,6cyclictest0-21swapper/220:05:282
1462399557,7cyclictest0-21swapper/222:24:192
1462399557,6cyclictest0-21swapper/222:30:222
1462399557,6cyclictest0-21swapper/222:25:252
1462399557,6cyclictest0-21swapper/221:20:182
1462399557,6cyclictest0-21swapper/220:55:162
1462399557,6cyclictest0-21swapper/220:50:242
1462399557,6cyclictest0-21swapper/200:25:242
1462399556,6cyclictest0-21swapper/221:00:292
1462399556,6cyclictest0-21swapper/220:00:242
1462399548,10cyclictest0-21swapper/222:15:272
1462399547,6cyclictest0-21swapper/221:15:162
1462399547,6cyclictest0-21swapper/221:05:172
1462399547,5cyclictest0-21swapper/223:25:222
1462399547,12cyclictest0-21swapper/220:25:172
1462399547,11cyclictest0-21swapper/222:05:272
1462399546,6cyclictest0-21swapper/221:10:292
1462399546,6cyclictest0-21swapper/220:35:222
1462399545,6cyclictest0-21swapper/223:20:242
134491540,4ptp4l0-21swapper/119:32:561
134491540,3ptp4l0-21swapper/020:55:370
134491540,20ptp4l25-21ksoftirqd/120:37:321
1462399537,6cyclictest0-21swapper/223:54:332
1462399537,6cyclictest0-21swapper/221:55:062
1462399537,6cyclictest0-21swapper/221:54:142
1462399537,11cyclictest0-21swapper/222:50:192
1462399536,6cyclictest0-21swapper/219:20:542
1462399536,6cyclictest0-21swapper/200:14:352
1462399536,5cyclictest0-21swapper/200:05:182
1462399536,12cyclictest0-21swapper/223:10:242
1462399536,11cyclictest0-21swapper/223:05:282
1462399536,11cyclictest0-21swapper/222:10:222
134491530,4ptp4l0-21swapper/323:16:003
134491530,4ptp4l0-21swapper/323:16:003
134491530,4ptp4l0-21swapper/123:06:031
134491530,10ptp4l0-21swapper/122:42:031
1462399528,11cyclictest0-21swapper/200:35:162
1462399527,12cyclictest0-21swapper/220:15:132
1462399526,7cyclictest0-21swapper/219:56:042
1462399526,11cyclictest0-21swapper/220:20:252
1462399526,10cyclictest0-21swapper/223:15:262
1462399526,10cyclictest0-21swapper/223:15:262
134491520,3ptp4l0-21swapper/321:42:113
134491520,3ptp4l0-21swapper/122:20:161
134491520,11ptp4l0-21swapper/100:32:211
134491510,8ptp4l0-21swapper/121:23:341
134491510,4ptp4l0-21swapper/020:14:160
1462399507,6cyclictest0-21swapper/221:25:242
1462399506,6cyclictest0-21swapper/222:00:262
14623995041,6cyclictest0-21swapper/223:00:132
134491500,4ptp4l0-21swapper/023:53:100
134491500,4ptp4l0-21swapper/022:27:550
134491500,4ptp4l0-21swapper/020:48:090
134491500,3ptp4l0-21swapper/021:54:020
1462399497,7cyclictest0-21swapper/200:15:442
1462399497,6cyclictest0-21swapper/223:56:262
1462399497,6cyclictest0-21swapper/221:34:162
1462399494,5cyclictest33-21ksoftirqd/219:30:222
1462399493,5cyclictest33-21ksoftirqd/222:45:252
1462399492,6cyclictest0-21swapper/223:40:232
1462399490,7cyclictest33-21ksoftirqd/222:35:172
134491490,4ptp4l0-21swapper/122:08:281
134491490,4ptp4l0-21swapper/100:35:031
134491490,4ptp4l0-21swapper/022:48:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional