You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-24 - 05:16
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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rackbslot7.osadl.org (updated Fri Apr 24, 2026 00:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
234759911847,44cyclictest18436-21ntp_kernel_err20:23:000
22471211411,71sleep022512-21awk18:58:070
23475991133,92cyclictest18802-21/usr/sbin/munin22:29:280
23475991133,79cyclictest21512-21latency_hist23:27:370
23475991123,59cyclictest0-21swapper/023:40:210
23475991113,66cyclictest0-21swapper/023:22:330
23475991103,68cyclictest19716-21df_inode00:17:530
234909910848,49cyclictest0-21swapper/122:58:101
234759910814,55cyclictest29323-21kernelversion21:53:140
234759910814,55cyclictest29323-21kernelversion21:53:140
234909910642,10cyclictest0-21swapper/100:12:581
23475991063,66cyclictest7317-21find23:03:090
23475991063,66cyclictest7317-21find23:03:090
234759910517,52cyclictest0-21swapper/023:08:080
234759910510,57cyclictest0-21swapper/021:27:560
234759910510,57cyclictest0-21swapper/021:27:560
23475991043,87cyclictest0-21swapper/021:07:450
2256121049,67sleep122567-21/usr/sbin/munin18:58:121
23475991034,57cyclictest0-21swapper/021:38:120
23475991023,70cyclictest30729-21ssh23:42:460
23475991023,64cyclictest0-21swapper/021:47:350
23475991023,64cyclictest0-21swapper/021:47:350
23475991022,69cyclictest27601-21ssh00:30:590
23475991022,65cyclictest7639-21ssh22:11:280
23475991022,65cyclictest7639-21ssh22:11:280
23495991019,82cyclictest21725-21ssh23:27:492
234909910135,13cyclictest0-21swapper/121:38:011
234759910148,47cyclictest3981-40find23:52:340
23475991013,71cyclictest25532-21switchtime23:33:070
23475991013,71cyclictest25532-21switchtime23:33:070
234759910128,65cyclictest0-21swapper/022:22:360
23475991003,65cyclictest17892-21latency_hist20:22:370
23475991002,64cyclictest3941-21rm22:04:320
23475991002,62cyclictest6172-21unin-run23:02:340
23490999940,13cyclictest0-21swapper/123:33:091
23490999940,13cyclictest0-21swapper/123:33:091
23490999937,12cyclictest0-21swapper/120:12:561
2347599995,78cyclictest0-21swapper/020:27:460
23475999939,54cyclictest365-21ntpd21:23:040
23475999938,52cyclictest30613-21diskmemload22:38:030
23475999938,52cyclictest30613-21diskmemload22:38:030
2347599992,63cyclictest2960-21runrttasks22:57:060
2347599992,62cyclictest1000-21runrttasks21:07:080
2347599992,62cyclictest1000-21runrttasks21:07:080
23490999844,8cyclictest0-21swapper/123:27:441
23490999837,10cyclictest0-21swapper/119:57:361
2349099983,37cyclictest23448-21timerwakeupswit00:23:101
2349099983,37cyclictest23448-21timerwakeupswit00:23:101
23490999832,12cyclictest0-21swapper/122:43:031
2347599984,62cyclictest0-21swapper/020:37:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional