You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-25 - 09:33
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 Tue Nov 25, 2025 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36682210194,11sleep10-21swapper/119:08:551
35242193177,12sleep30-21swapper/319:07:063
37092187170,12sleep00-21swapper/019:09:280
15292163144,14sleep20-21swapper/219:05:072
103122490,0sleep10-21swapper/122:35:211
95902430,0sleep10-21swapper/119:20:001
26422420,0sleep30-21swapper/322:31:473
145252420,0sleep10-21swapper/123:59:521
31332410,0sleep10-21swapper/100:10:131
259282410,0sleep30-21swapper/321:38:513
50012390,0sleep10-21swapper/122:16:401
391299130,6cyclictest4154-21cut00:10:190
391299120,9cyclictest32234-21apt-get20:05:120
391299110,7cyclictest15000-21ssh22:05:200
391299110,6cyclictest4554-21if_eth023:05:140
391299110,6cyclictest31862-21cat21:25:170
391299110,6cyclictest25159-21ssh21:54:570
391299110,6cyclictest15973-21ssh00:00:140
391299110,5cyclictest32210-21diskmemload23:31:530
391299110,5cyclictest2828-21latency_hist23:05:000
285482110,0sleep10-21swapper/100:22:541
391299100,8cyclictest32210-21diskmemload22:52:230
391299100,7cyclictest21769-21grep20:45:210
391299100,6cyclictest32210-21diskmemload22:19:010
391299100,6cyclictest32210-21diskmemload21:35:540
391299100,6cyclictest32210-21diskmemload00:08:320
391299100,6cyclictest31542-21awk20:00:210
391299100,6cyclictest15886-21apt22:55:130
391299100,5cyclictest32210-21diskmemload23:56:170
391299100,5cyclictest32210-21diskmemload22:11:040
391299100,5cyclictest32210-21diskmemload00:24:080
391299100,5cyclictest12397-21apt-get20:30:120
391299100,5cyclictest11445-21python20:25:190
39129990,8cyclictest9768-21apt-get19:20:120
39129990,8cyclictest326742sleep021:41:470
39129990,8cyclictest29973-21apt-get21:05:120
39129990,8cyclictest24968-21apt-get20:55:110
39129990,8cyclictest22497-21apt-get20:50:110
39129990,8cyclictest10132-21apt-get00:30:130
39129990,7cyclictest29290-21nfs4_client23:50:170
39129990,7cyclictest27798-21df_inode19:55:120
39129990,7cyclictest0-21swapper/000:25:120
39129990,6cyclictest32210-21diskmemload22:45:080
39129990,6cyclictest32210-21diskmemload22:01:050
39129990,6cyclictest13324-21memory19:25:160
39129990,5cyclictest9179-21hddtemp_smartct22:35:140
39129990,5cyclictest32210-21diskmemload22:32:030
39129990,5cyclictest32210-21diskmemload21:11:230
39129990,5cyclictest32210-21diskmemload00:18:080
39129990,5cyclictest20504-21ssh21:20:060
39129990,5cyclictest14294-21ssh21:49:210
39129990,5cyclictest11524-21fschecks_count23:25:150
39129990,5cyclictest10303-21ssh21:15:020
39129990,4cyclictest32210-21diskmemload23:40:560
39129990,4cyclictest32210-21diskmemload23:11:300
39129990,4cyclictest32210-21diskmemload22:20:440
2036290,0sleep10-21swapper/121:59:301
39189983,2cyclictest31-21ksoftirqd/221:50:192
39189981,1cyclictest7204-21latency_hist20:20:012
39129980,7cyclictest7461-21apt-get20:20:120
39129980,7cyclictest7276-21apt-get19:15:120
39129980,7cyclictest23448-21apt-get23:15:130
39129980,7cyclictest22148-21tr22:25:180
39129980,6cyclictest6853-21chrt20:18:160
39129980,6cyclictest32210-21diskmemload21:55:340
39129980,6cyclictest32210-21diskmemload21:31:170
39129980,6cyclictest30435-21ssh23:35:030
39129980,6cyclictest18346-21irqstats20:40:160
39129980,5cyclictest32210-21diskmemload23:46:150
39129980,5cyclictest32210-21diskmemload22:40:030
39129980,5cyclictest24800-21taskset19:50:120
39129980,5cyclictest191082sleep019:36:210
39129980,5cyclictest14979-21cpu20:35:130
39129980,5cyclictest0-21swapper/023:20:540
39129980,5cyclictest0-21swapper/000:35:070
39129980,4cyclictest22863-21diskstats19:45:130
39189976,0cyclictest31-21ksoftirqd/200:40:012
39189973,2cyclictest31-21ksoftirqd/222:35:012
39189973,2cyclictest31-21ksoftirqd/222:25:002
39189973,2cyclictest31-21ksoftirqd/200:20:142
39189973,0cyclictest31-21ksoftirqd/223:12:472
39189972,2cyclictest31-21ksoftirqd/222:25:202
39189972,2cyclictest31-21ksoftirqd/220:10:142
39189972,1cyclictest31-21ksoftirqd/220:55:012
39189972,1cyclictest31-21ksoftirqd/200:15:572
39189971,2cyclictest31-21ksoftirqd/223:55:132
39189971,2cyclictest31-21ksoftirqd/221:13:282
39189971,2cyclictest18033-21apt-get23:45:112
39189971,1cyclictest31-21ksoftirqd/223:21:572
39189971,1cyclictest31-21ksoftirqd/221:40:142
39189971,0cyclictest81rcu_preempt23:40:172
39189970,6cyclictest0-21swapper/221:30:192
39189970,2cyclictest31-21ksoftirqd/223:25:202
39189970,2cyclictest31-21ksoftirqd/222:05:192
39189970,1cyclictest31-21ksoftirqd/223:16:282
39189970,1cyclictest15366-21perf21:50:022
39189970,1cyclictest0-21swapper/219:15:182
39129970,7cyclictest0-21swapper/019:10:130
39129970,6cyclictest27503-21apt-get21:00:110
39129970,4cyclictest15978-21ntp_states19:30:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional