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2025-05-09 - 06:00
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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 376 highest latencies:
System rack3slot6.osadl.org (updated Fri May 09, 2025 00:45:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19568210418,39sleep00-21swapper/019:05:080
2074529929,24sleep10-21swapper/119:05:481
21339999516,17cyclictest0-21swapper/119:35:141
21339999515,18cyclictest0-21swapper/120:10:151
21339999418,18cyclictest0-21swapper/123:30:161
21339999415,17cyclictest0-21swapper/122:20:121
21339999314,17cyclictest0-21swapper/121:35:141
21339999133,21cyclictest420-21dbus-daemon00:39:001
21339999117,19cyclictest0-21swapper/120:30:131
21339999117,16cyclictest0-21swapper/123:00:131
21339999117,16cyclictest0-21swapper/120:15:131
21339999115,18cyclictest0-21swapper/120:50:121
21339999115,17cyclictest0-21swapper/100:25:251
21339999017,16cyclictest0-21swapper/123:05:151
21339999015,18cyclictest0-21swapper/120:40:131
21339999015,18cyclictest0-21swapper/120:40:131
21339998918,17cyclictest0-21swapper/123:20:201
21339998915,16cyclictest0-21swapper/122:25:161
21339998913,20cyclictest0-21swapper/119:40:111
21339998816,17cyclictest0-21swapper/123:40:131
21339998816,17cyclictest0-21swapper/123:15:111
21339998815,19cyclictest0-21swapper/119:25:161
21339998815,16cyclictest0-21swapper/119:50:121
21339998813,18cyclictest0-21swapper/121:40:151
21339998813,18cyclictest0-21swapper/121:40:151
21339998718,18cyclictest0-21swapper/122:40:141
21339998716,18cyclictest0-21swapper/122:55:161
21339998715,17cyclictest0-21swapper/121:15:121
21339998714,16cyclictest0-21swapper/120:55:171
21339998713,17cyclictest0-21swapper/120:05:161
21339998712,21cyclictest31643-21diskmemload21:10:161
21339998615,17cyclictest0-21swapper/120:35:111
21339998613,19cyclictest0-21swapper/122:45:141
21339998514,14cyclictest0-21swapper/121:05:161
21339998513,18cyclictest0-21swapper/122:15:151
2133499855,19cyclictest19502-21apt-get20:35:110
21339998412,18cyclictest0-21swapper/121:30:151
2133499835,19cyclictest12529-21apt-get20:15:130
21339998214,17cyclictest0-21swapper/121:45:141
2133499824,19cyclictest31811-21apt-get21:10:160
21339998117,18cyclictest0-21swapper/100:05:141
2133499815,25cyclictest4925-21apt-get21:25:210
2133499815,20cyclictest26536-21apt-get22:25:150
21334998126,17cyclictest1445-21users19:40:360
21334998120,19cyclictest420-21dbus-daemon21:50:050
21339998015,16cyclictest0-21swapper/123:10:141
21339998015,16cyclictest0-21swapper/123:10:141
21334998025,15cyclictest1443-21cat00:15:290
2133499796,23cyclictest13686-21apt-get23:20:180
21334997927,18cyclictest1253-21cron22:45:000
21334997922,18cyclictest22328-21cat22:10:460
2133499792,17cyclictest10434-21runrttasks20:08:360
21339997815,18cyclictest0-21swapper/121:25:191
2133499786,25cyclictest6661-21apt-get23:00:130
2133499785,9cyclictest0-21swapper/021:30:310
2133499782,40cyclictest10181-21latency_hist21:40:020
2133499782,40cyclictest10181-21latency_hist21:40:020
21334997823,15cyclictest8250-21sed20:00:340
2133499775,20cyclictest24789-21apt-get20:50:110
2133499775,20cyclictest21317-21apt-get20:40:130
2133499775,20cyclictest21317-21apt-get20:40:130
2133499773,68cyclictest28605-21df22:30:200
21334997723,16cyclictest18948-21aten2.4_r3power23:35:180
21339997615,18cyclictest0-21swapper/122:30:141
21339997614,18cyclictest0-21swapper/121:55:121
21339997612,20cyclictest0-21swapper/120:25:151
2133499766,21cyclictest8392-21apt-get21:35:140
2133499765,24cyclictest11937-21apt-get21:45:140
2133499765,22cyclictest1434-21apt-get22:45:140
2133499763,67cyclictest420-21dbus-daemon23:00:010
21334997625,18cyclictest420-21dbus-daemon00:40:000
2133499753,12cyclictest3504-21df22:50:210
21334997522,15cyclictest27713-21missed_timers19:25:280
21334997521,15cyclictest6399-21aten2.4_r3power00:30:180
21334997519,17cyclictest3466-21cstates21:20:210
21334997516,19cyclictest14-21ksoftirqd/023:15:120
2133499745,23cyclictest23040-21apt-get22:15:150
2133499745,21cyclictest10183-21apt-get23:10:140
2133499745,21cyclictest10183-21apt-get23:10:140
21334997428,40cyclictest14-21ksoftirqd/019:35:230
21334997424,14cyclictest20141-21cat22:05:370
2133499742,37cyclictest5412-21open_files00:25:470
21334997422,18cyclictest11649-21swap20:10:350
21334997422,14cyclictest31942-21if_enp2s000:10:280
21334997421,14cyclictest17008-21cat20:25:360
21334997421,14cyclictest15983-21tr21:55:240
21334997420,17cyclictest17792-21aten2.4_r3power20:30:170
21339997316,16cyclictest0-21swapper/120:20:091
2133499735,20cyclictest22444-21apt-get23:45:160
2133499734,20cyclictest24796-21apt-get22:20:120
21334997325,16cyclictest24630-21sort19:15:360
21334997325,15cyclictest17911-21awk23:30:370
21334997324,15cyclictest21755-21forks19:10:210
21334997323,18cyclictest420-21dbus-daemon20:00:000
21334997319,14cyclictest14493-21cpu20:20:150
2133499722,14cyclictest30649-21df22:35:230
21334997221,14cyclictest26420-21unixbench-2d19:20:320
21334997218,15cyclictest30215-21cat19:30:460
21334997218,15cyclictest24652-21cut23:50:240
21334997217,14cyclictest29041-21/usr/sbin/munin21:00:330
2133499716,23cyclictest30021-21apt-get21:05:130
21334997119,14cyclictest26579-21aten2.4_r3power20:55:180
2133499705,32cyclictest0-21swapper/023:10:010
2133499705,32cyclictest0-21swapper/000:05:260
2133499704,20cyclictest1116-21apt-get21:15:130
2133499702,16cyclictest21170-21irqstats23:40:260
21339996949,13cyclictest0-21swapper/123:45:161
21334996917,15cyclictest3179-21cat00:20:270
21334996910,25cyclictest1-21systemd00:00:020
2133499685,10cyclictest0-21swapper/023:25:400
2133499682,30cyclictest2043-21/usr/sbin/munin19:45:240
2133499682,30cyclictest2043-21/usr/sbin/munin19:45:240
2133499665,19cyclictest3778-21apt-get19:50:120
21334996517,15cyclictest24158-21awk20:45:390
2133499644,32cyclictest0-21swapper/022:00:190
2133499642,30cyclictest27707-21/usr/sbin/munin00:00:320
256822600,7sleep125685-21cstates19:20:151
2133999573,49cyclictest27589-21cat00:00:031
21339995730,19cyclictest494-21gdbus22:05:001
21339995729,20cyclictest420-21dbus-daemon19:15:011
21339995716,33cyclictest0-21swapper/121:20:171
21339995641,10cyclictest0-21swapper/119:15:191
21339995614,36cyclictest0-21swapper/120:00:131
21339995540,10cyclictest0-21swapper/122:05:341
21339995540,10cyclictest0-21swapper/119:45:321
21339995540,10cyclictest0-21swapper/119:45:321
21339995532,18cyclictest420-21dbus-daemon22:40:001
21339995439,9cyclictest26-21ksoftirqd/123:35:281
21339995438,9cyclictest26-21ksoftirqd/121:05:001
21339995430,13cyclictest0-21swapper/122:50:161
21339995427,20cyclictest420-21dbus-daemon19:35:011
21339995427,16cyclictest26-21ksoftirqd/100:10:181
21339995414,33cyclictest0-21swapper/119:55:141
21339995339,9cyclictest26-21ksoftirqd/100:00:301
21339995338,10cyclictest26-21ksoftirqd/123:50:291
21339995338,10cyclictest26-21ksoftirqd/100:35:011
21339995337,9cyclictest26-21ksoftirqd/100:15:231
21339995236,8cyclictest26-21ksoftirqd/121:50:241
2133999522,15cyclictest23754-21/usr/sbin/munin20:45:301
2133999515,40cyclictest0-21swapper/122:10:031
21339995121,26cyclictest0-21swapper/100:21:451
21339995036,9cyclictest26-21ksoftirqd/123:25:371
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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