You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-05-02 - 12:40
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 50 highest latencies:
System rack1slot1.osadl.org (updated Fri May 02, 2025 00:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
261972206162,23sleep30-21swapper/319:05:513
263452202161,27sleep20-21swapper/219:07:472
264162200163,24sleep10-21swapper/119:08:421
263212199160,26sleep00-21swapper/019:07:280
1260421230,1sleep121-21ksoftirqd/123:45:171
253882630,1sleep319615-21diskmemload21:55:203
26606991513,1cyclictest9-21ksoftirqd/022:10:010
2660699143,5cyclictest9024-21grep19:40:000
26606991311,1cyclictest9-21ksoftirqd/000:40:000
2662399120,6cyclictest254-21systemd-journal00:08:252
26606991211,1cyclictest9-21ksoftirqd/021:40:160
2660699121,5cyclictest370-21perf20:30:010
26623991110,1cyclictest28-21ksoftirqd/221:12:182
2660699119,1cyclictest9-21ksoftirqd/023:20:000
2660699119,1cyclictest9-21ksoftirqd/020:10:000
26606991110,1cyclictest9-21ksoftirqd/023:35:150
26606991110,1cyclictest9-21ksoftirqd/023:25:000
26606991110,1cyclictest9-21ksoftirqd/022:10:260
26606991110,1cyclictest9-21ksoftirqd/021:20:170
2660699110,10cyclictest0-21swapper/020:10:150
2660699109,1cyclictest9-21ksoftirqd/023:25:150
2660699109,1cyclictest9-21ksoftirqd/022:53:330
2660699109,1cyclictest9-21ksoftirqd/021:50:150
2660699109,1cyclictest9-21ksoftirqd/021:15:150
2660699109,1cyclictest9-21ksoftirqd/000:20:140
2660699109,1cyclictest14812-21ssh23:47:380
2660699109,0cyclictest9-21ksoftirqd/000:10:010
2660699108,1cyclictest9-21ksoftirqd/022:44:590
2660699107,2cyclictest9-21ksoftirqd/020:35:120
26606991010,0cyclictest9-21ksoftirqd/023:30:150
26606991010,0cyclictest9-21ksoftirqd/022:45:200
13842100,0sleep10-21swapper/122:05:571
266309991,6cyclictest557-21nscd00:30:073
266309991,6cyclictest0-21swapper/300:19:073
266239999,0cyclictest0-21swapper/221:57:422
266239999,0cyclictest0-21swapper/221:49:112
266239993,4cyclictest60950irq/123-eno121:39:022
266069999,0cyclictest9-21ksoftirqd/023:50:170
266069999,0cyclictest9-21ksoftirqd/023:40:350
266069998,1cyclictest9-21ksoftirqd/021:45:210
266069998,1cyclictest9-21ksoftirqd/021:35:170
266069998,1cyclictest9-21ksoftirqd/000:05:160
266069997,1cyclictest9-21ksoftirqd/022:00:190
266069992,6cyclictest9-21ksoftirqd/019:10:170
266069990,8cyclictest19615-21diskmemload00:00:220
266309987,1cyclictest35-21ksoftirqd/320:54:593
266309986,1cyclictest19615-21diskmemload23:45:493
266309986,1cyclictest14827-21cat19:50:183
266309981,4cyclictest0-21swapper/322:30:203
266309980,7cyclictest15152-21apt-get21:00:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional