You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-05-02 - 12:59
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 100 highest latencies:
System rack5slot2.osadl.org (updated Fri May 02, 2025 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
208232203187,11sleep10-21swapper/119:08:031
206962201185,11sleep30-21swapper/319:06:263
209432197182,11sleep20-21swapper/219:09:372
206932193176,12sleep00-21swapper/019:06:230
182472440,0sleep10-21swapper/121:59:371
27312430,0sleep00-21swapper/021:51:050
93072120,0sleep00-21swapper/023:33:250
108222100,1sleep3381rcuc/319:50:213
211489990,9cyclictest4137-21perf20:45:013
211489990,8cyclictest9296-21apt-get20:55:163
211489990,8cyclictest8337-21apt-get23:00:133
211489990,8cyclictest27769-21cut21:15:153
211489990,8cyclictest26664-21apt-get00:15:123
211489990,8cyclictest24234-21apt-get20:20:143
211489990,8cyclictest0-21swapper/321:25:163
211489990,5cyclictest14340-21apt-get20:00:143
211489982,5cyclictest25406-21cat19:15:173
211489980,7cyclictest9208-21sh21:38:403
211489980,7cyclictest5437-21apt-get23:15:143
211489980,7cyclictest4891-21munin-run23:15:013
211489980,7cyclictest32295-21apt-get23:45:153
211489980,7cyclictest31920-21apt-get19:30:123
211489980,7cyclictest29483-21apt-get00:00:123
211489980,7cyclictest26991-21apt-get19:20:133
211489980,7cyclictest23802-21apt-get22:35:123
211489980,7cyclictest23757-21apt-get00:30:123
211489980,7cyclictest23269-21cron22:35:003
211489980,7cyclictest19271-21apt-get20:10:153
211489980,7cyclictest18185-21apt-get23:05:133
211489980,7cyclictest16878-21apt00:10:133
211489980,7cyclictest16487-21diskmemload21:10:153
211489980,7cyclictest12755-21ssh23:51:033
211489980,7cyclictest11852-21apt-get19:55:143
211489980,7cyclictest11805-21dpkg21:40:013
211489980,7cyclictest0-21swapper/323:30:143
211489980,7cyclictest0-21swapper/320:50:143
211439981,6cyclictest0-21swapper/221:00:162
211349982,4cyclictest4944-21ssh00:04:070
211349982,4cyclictest31389-21sh21:33:280
211349982,4cyclictest29723-21smartctl23:10:210
211349982,4cyclictest15486-21ssh23:52:470
211349982,4cyclictest0-21swapper/000:11:450
211349982,3cyclictest5975-21ssh23:47:590
211349982,3cyclictest30984-21rm23:44:410
211349982,2cyclictest7266-21ssh00:21:030
211349982,2cyclictest3884-21chrt20:42:050
211349982,2cyclictest31015-21ssh00:16:500
211349982,2cyclictest25142-21ssh21:46:020
211349982,2cyclictest24539-21ssh23:57:100
211349982,2cyclictest1981-21ssh21:35:140
211349982,2cyclictest15801-21ssh00:09:470
211349982,2cyclictest14310-21ssh21:57:080
211489971,5cyclictest14251-21apt-get21:05:143
211489970,7cyclictest747-21memory21:50:193
211489970,7cyclictest16487-21diskmemload23:40:403
211489970,7cyclictest16487-21diskmemload22:10:113
211489970,7cyclictest11785-21apt-get21:00:163
211489970,7cyclictest0-21swapper/320:45:163
211489970,7cyclictest0-21swapper/319:45:173
211489970,6cyclictest8281-21ntp_states00:05:193
211489970,6cyclictest4691-21df_inode00:20:153
211489970,6cyclictest4649-21ssh21:20:183
211489970,6cyclictest4457-21apt-get19:40:203
211489970,6cyclictest29457-21taskset19:25:133
211489970,6cyclictest29365-21apt-get20:30:133
211489970,6cyclictest28036-21ntp_states22:20:193
211489970,6cyclictest26701-21apt-get20:25:143
211489970,6cyclictest24545-21apt-get21:30:173
211489970,6cyclictest24127-21users21:45:243
211489970,6cyclictest21987-21perl19:10:173
211489970,6cyclictest21034-21apt-get22:50:143
211489970,6cyclictest19612-21ssh23:55:113
211489970,6cyclictest17022-21cut20:05:163
211489970,6cyclictest16487-21diskmemload22:15:133
211489970,6cyclictest16487-21diskmemload22:00:133
211489970,6cyclictest15274-21apt-get23:20:143
211489970,6cyclictest14995-21if_eth400:25:153
211489970,6cyclictest12334-21apt-get23:35:133
211489970,6cyclictest1162-21ssh00:35:133
211489970,6cyclictest11137-21apt-get22:45:133
211489970,6cyclictest10188-21tune2fs21:55:163
211489970,6cyclictest0-21swapper/323:25:123
211489970,6cyclictest0-21swapper/320:35:123
211349975,2cyclictest26701-21apt-get20:25:140
211349974,3cyclictest0-21swapper/020:55:160
211349973,4cyclictest21045-21ssh22:50:140
211349973,3cyclictest5446-21irqstats19:40:240
211349973,1cyclictest22537-21ntp_states19:10:200
211349972,3cyclictest664-21ssh22:55:260
211349972,3cyclictest31828-21/usr/sbin/munin20:35:170
211349972,3cyclictest25676-21ssh23:25:140
211349972,3cyclictest22888-21ssh22:01:140
211349972,3cyclictest18323-21python20:05:230
211349972,3cyclictest1813-21df22:40:140
211349972,3cyclictest15931-21ssh21:41:290
211349972,3cyclictest14064-21cat21:05:020
211349972,2cyclictest8813-21ssh23:16:130
211349972,2cyclictest3761-21ssh22:25:010
211349972,2cyclictest29586-21sh22:20:570
211349972,2cyclictest29473-21ssh22:37:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional