You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-07 - 13:16
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 100 highest latencies:
System rack5slot2.osadl.org (updated Fri Nov 07, 2025 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
213552194178,11sleep10-21swapper/119:07:271
212282187170,12sleep00-21swapper/019:05:510
212362180147,28sleep30-21swapper/319:05:583
215002174157,12sleep20-21swapper/219:09:222
273102460,0sleep00-21swapper/023:40:580
122612460,0sleep10-21swapper/121:00:011
141792430,0sleep20-21swapper/223:01:572
127962120,0sleep10-21swapper/123:01:041
2173499100,8cyclictest0-21swapper/322:20:133
15292100,0sleep20-21swapper/219:30:232
2350290,0sleep20-21swapper/223:12:182
217239990,4cyclictest14367-21munin-run22:30:000
217299970,5cyclictest22365-21chrt22:17:082
217299970,5cyclictest14262-21ssh22:13:182
217299970,4cyclictest0-21swapper/219:28:382
217299970,3cyclictest26024-21if_eth119:15:142
217299970,3cyclictest15863-21cat21:05:152
217299970,3cyclictest1422-21latency21:50:162
217299970,2cyclictest2885-21diskstats22:40:122
217239973,4cyclictest24791-21munin-run21:30:010
217299961,4cyclictest0-21swapper/223:25:262
217299960,4cyclictest711-21runrttasks22:25:382
217299960,4cyclictest711-21runrttasks20:07:202
217299960,4cyclictest30976-21ssh21:16:102
217299960,4cyclictest19728-21ssh00:26:112
217299960,4cyclictest18661-21ssh21:42:472
217299960,4cyclictest0-21swapper/223:45:512
217299960,3cyclictest8528-21cut19:45:152
217299960,3cyclictest30219-21grep20:30:142
217299960,3cyclictest25225-21grep20:20:142
217299960,3cyclictest23214-21expr21:45:162
217299960,3cyclictest20798-21ssh23:05:162
217299960,3cyclictest20402-21ls20:10:132
217299960,3cyclictest15434-21df_inode22:30:142
217299960,3cyclictest0-21swapper/222:50:192
217299960,3cyclictest0-21swapper/222:46:382
217299960,3cyclictest0-21swapper/219:59:172
217299960,3cyclictest0-21swapper/219:50:592
217299960,3cyclictest0-21swapper/219:35:302
217299960,3cyclictest0-21swapper/200:02:062
217299960,2cyclictest9477-21sshd20:51:342
217299960,2cyclictest71862sleep219:43:512
217299960,2cyclictest47842sleep220:44:402
217299960,2cyclictest3190-21ssh22:07:342
217299960,2cyclictest29540-21ssh00:31:082
217299960,2cyclictest27934-21ssh21:30:432
217299960,2cyclictest27442-21/usr/sbin/munin22:20:182
217299960,2cyclictest24483-21taskset20:15:312
217299960,2cyclictest237362sleep219:10:492
217299960,2cyclictest23048-21ssh22:00:532
217299960,2cyclictest17200-21diskmemload22:37:192
217299960,2cyclictest17200-21diskmemload21:29:342
217299960,2cyclictest15269-21ssh00:24:392
217299960,2cyclictest14999-21chrt00:07:502
217299960,2cyclictest143742sleep221:00:462
217299960,2cyclictest143742sleep221:00:452
217299960,2cyclictest118752sleep220:55:362
217299960,2cyclictest11720-21ssh00:39:092
217299960,2cyclictest0-21swapper/223:30:242
217299960,2cyclictest0-21swapper/221:36:062
217299960,2cyclictest0-21swapper/220:25:312
217299960,1cyclictest7934-21perl23:15:162
217299960,1cyclictest17662-21ssh21:10:112
217349955,0cyclictest3635-21kworker/3:223:32:003
217349955,0cyclictest3635-21kworker/3:223:09:363
217349955,0cyclictest3635-21kworker/3:200:16:433
217349955,0cyclictest0-21swapper/319:15:163
217349950,4cyclictest7728-21apt-get19:45:123
217349950,1cyclictest0-21swapper/322:47:083
217299950,4cyclictest18399-21cron00:10:012
217299950,4cyclictest18399-21cron00:10:012
217299950,3cyclictest11588-21ssh23:50:122
217299950,2cyclictest711-21runrttasks20:45:242
217299950,2cyclictest5007-21ssh21:20:042
217299950,2cyclictest32513-21taskset20:35:132
217299950,2cyclictest32035-21ssh22:55:102
217299950,2cyclictest15743-21fschecks_count20:00:142
217299950,2cyclictest0-21swapper/223:55:042
217299950,2cyclictest0-21swapper/223:40:032
217299950,2cyclictest0-21swapper/223:35:102
217299950,2cyclictest0-21swapper/223:20:062
217299950,2cyclictest0-21swapper/221:55:302
217299950,2cyclictest0-21swapper/219:20:022
217299950,2cyclictest0-21swapper/200:15:022
217259951,1cyclictest0-21swapper/121:55:111
217259950,5cyclictest0-21swapper/123:26:291
217259950,5cyclictest0-21swapper/121:44:031
217259950,5cyclictest0-21swapper/121:00:231
217259950,5cyclictest0-21swapper/121:00:221
217259950,5cyclictest0-21swapper/100:30:121
217259950,5cyclictest0-21swapper/100:24:591
217259950,0cyclictest0-21swapper/123:53:331
217239954,1cyclictest3232-21ssh22:07:350
217239950,5cyclictest0-21swapper/023:05:120
217239950,5cyclictest0-21swapper/022:12:060
217239950,5cyclictest0-21swapper/021:58:340
217239950,5cyclictest0-21swapper/021:48:060
217239950,5cyclictest0-21swapper/021:42:520
217239950,5cyclictest0-21swapper/021:32:230
217239950,4cyclictest20137-21apt-get20:10:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional