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2025-04-02 - 08:18
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rack2slot7.osadl.org (updated Wed Apr 02, 2025 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
294615299722,50cyclictest3144934-21sendmail-msp00:22:390
294615299468,26cyclictest11050irq/107-eth%d00:28:330
294615299439,25cyclictest3039073-21unixbench-2d22:16:030
294615299432,32cyclictest0-21swapper/023:36:010
294615299393,23cyclictest11050irq/107-eth%d22:50:550
294615299357,19cyclictest0-21swapper/021:21:000
294615299351,21cyclictest0-21swapper/022:33:210
294615299325,21cyclictest0-21swapper/023:21:000
2946152993217,4cyclictest0-21swapper/023:55:530
2946152993126,4cyclictest0-21swapper/022:10:570
294615299310,19cyclictest0-21swapper/023:47:110
2946154993025,3cyclictest1006-21mta-sts-daemon19:51:062
294615299305,14cyclictest0-21swapper/022:30:550
294615299302,17cyclictest0-21swapper/023:14:060
294615299302,17cyclictest0-21swapper/023:14:060
294615299291,23cyclictest0-21swapper/020:55:590
2946152992912,10cyclictest3112535-21ssh23:42:340
294615499288,14cyclictest3141639-21ssh00:18:542
294615399283,6cyclictest11050irq/107-eth%d23:55:531
294615299282,23cyclictest0-21swapper/000:21:030
2946152992817,1cyclictest2972003-21/usr/sbin/munin20:37:340
294615299272,17cyclictest967-21snmpd19:15:580
2946152992714,11cyclictest0-21swapper/000:36:080
294615499263,10cyclictest3122475-21/usr/sbin/munin23:56:022
294615399268,2cyclictest11050irq/107-eth%d00:16:011
2946153992619,5cyclictest2976147-21fschecks_count20:51:011
294615299261,5cyclictest3081091-21ssh23:06:300
2946152992614,2cyclictest0-21swapper/021:54:230
294615299260,16cyclictest0-21swapper/021:59:570
2946152992522,2cyclictest3043156-21ntpq22:21:000
294615299252,22cyclictest0-21swapper/021:38:290
294615299251,4cyclictest3127057-21/usr/sbin/munin00:00:580
294615299250,17cyclictest3085078-21cat23:10:580
294615399244,17cyclictest3152640-21ssh00:32:361
2946152992421,2cyclictest3003816-21grep21:35:560
2946152992415,4cyclictest0-21swapper/023:32:040
294615299241,17cyclictest0-21swapper/021:29:190
294615599234,7cyclictest0-21swapper/321:47:343
294615599233,7cyclictest0-21swapper/323:56:023
294615499233,16cyclictest3085504-21ssh23:11:232
294615399231,9cyclictest11050irq/107-eth%d20:22:341
2946153992317,3cyclictest3150078-21fschecks_count00:30:561
294615299235,8cyclictest1007-21mta-sts-daemon21:42:360
294615299235,15cyclictest0-21swapper/020:08:050
294615299230,14cyclictest0-21swapper/021:13:250
112699230,4rtkit-daemon1125-21rtkit-daemon21:06:022
294615499226,13cyclictest3067677-21ntpq22:50:552
2946154992217,4cyclictest3008315-21fschecks_count21:40:552
2946153992219,2cyclictest3044679-21sh22:22:331
2946153992215,6cyclictest2957994-21munin-plugin-st19:47:341
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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