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2025-04-02 - 06:34
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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 100 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
294615399220,19cyclictest3033449-21fschecks_time22:10:511
294615299229,5cyclictest0-21swapper/022:25:400
294615299228,12cyclictest11050irq/107-eth%d00:16:020
2946152992216,5cyclictest2957045-21grep19:45:550
2946152992213,6cyclictest2984280-21cut21:12:340
294615299220,17cyclictest0-21swapper/022:43:230
294615299220,15cyclictest3071949-21sort22:55:550
112699220,0rtkit-daemon0-21swapper/123:20:381
2946154992115,4cyclictest0-21swapper/222:41:032
294615499210,16cyclictest3098952-21ssh23:28:072
294615399212,14cyclictest3077073-21ssh23:00:591
294615299214,14cyclictest0-21swapper/023:52:340
294615299212,16cyclictest11050irq/107-eth%d00:07:340
2946152992114,5cyclictest2961950-21gltestperf20:00:570
2946152992113,6cyclictest2967133-21grep20:20:560
112699210,6rtkit-daemon1008-21mta-sts-daemon23:44:382
294615599203,8cyclictest0-21swapper/300:22:393
294615499203,11cyclictest3051231-21ssh22:30:592
294615399205,10cyclictest3038856-21/usr/sbin/munin22:16:021
294615399201,5cyclictest11050irq/107-eth%d22:31:351
294615299203,10cyclictest0-21swapper/019:12:330
2946152992012,6cyclictest3157570-21tune2fs00:40:570
2946152992012,3cyclictest0-21swapper/023:26:480
294615599196,2cyclictest0-21swapper/300:28:333
294615499196,6cyclictest3132135-21apt-get00:07:362
294615499195,10cyclictest3038663-21ntpq22:16:002
294615499193,12cyclictest3069798-21ssh22:52:362
294615399193,13cyclictest3069799-21apt-get22:52:361
294615399192,10cyclictest2968122-21sendmail-msp20:22:361
2946153991913,4cyclictest3021182-21gltestperf21:55:571
294615299192,9cyclictest11050irq/107-eth%d20:40:590
2946152991916,2cyclictest0-21swapper/023:00:520
2946152991915,3cyclictest2974693-21grep20:45:560
2946152991912,5cyclictest2979578-21grep21:00:560
2946152991912,5cyclictest2948532-21/usr/sbin/munin19:20:560
294615299191,13cyclictest3060660-21ssh22:41:110
294615299191,12cyclictest3132722-21ssh00:07:360
294615299190,10cyclictest2959078-21ntpq19:51:050
112699190,1rtkit-daemon0-21swapper/100:24:001
294615499189,3cyclictest2984286-21latency_hist21:12:342
294615499183,3cyclictest11050irq/107-eth%d23:40:542
294615499182,14cyclictest3013981-21idleruntime-cro21:47:332
2946154991813,3cyclictest3147919-21latency_hist00:27:342
294615399189,6cyclictest261rcuc/122:00:541
294615399185,8cyclictest3084174-21/usr/sbin/munin23:10:511
294615399183,9cyclictest3157516-21grep00:40:571
294615299187,3cyclictest3018672-21date21:52:340
2946152991814,3cyclictest2952111-21sed19:30:590
294615299180,14cyclictest0-21swapper/021:27:130
112699180,3rtkit-daemon1125-21rtkit-daemon21:24:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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