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2024-11-22 - 13:56
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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 highest latencies:
System rack3slot6.osadl.org (updated Fri Nov 22, 2024 12:45:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
179949912479,32cyclictest26-21ksoftirqd/107:20:121
1864621150,7sleep1251rcuc/110:15:281
179879911383,18cyclictest14-21ksoftirqd/009:35:110
179879911381,18cyclictest14-21ksoftirqd/008:30:140
179879911281,19cyclictest14-21ksoftirqd/011:10:160
179879911278,21cyclictest14-21ksoftirqd/011:30:160
179879911185,14cyclictest14-21ksoftirqd/010:20:120
179879911180,19cyclictest14-21ksoftirqd/008:20:150
179879911081,18cyclictest14-21ksoftirqd/008:45:140
179879911079,21cyclictest14-21ksoftirqd/011:05:120
179879911079,19cyclictest0-21swapper/008:50:120
179879910979,20cyclictest14-21ksoftirqd/012:00:100
179879910979,19cyclictest14-21ksoftirqd/007:35:120
179879910976,18cyclictest14-21ksoftirqd/008:35:140
179879910882,17cyclictest14-21ksoftirqd/011:02:260
179879910882,16cyclictest14-21ksoftirqd/009:30:140
179879910880,17cyclictest14-21ksoftirqd/011:25:230
179879910879,18cyclictest14-21ksoftirqd/009:25:140
179879910879,16cyclictest14-21ksoftirqd/012:20:140
179879910777,17cyclictest14-21ksoftirqd/010:55:160
179879910577,18cyclictest14-21ksoftirqd/011:15:150
179879910375,18cyclictest14-21ksoftirqd/007:45:120
179879910262,35cyclictest14-21ksoftirqd/012:25:150
179879910262,35cyclictest14-21ksoftirqd/012:25:150
179879910171,20cyclictest14-21ksoftirqd/008:55:110
17994999811,65cyclictest0-21swapper/112:10:171
17987999868,19cyclictest14-21ksoftirqd/011:45:140
17987999756,31cyclictest14-21ksoftirqd/010:30:200
17994999612,62cyclictest0-21swapper/112:25:191
17994999612,62cyclictest0-21swapper/112:25:181
17987999563,18cyclictest14-21ksoftirqd/007:50:140
17987999510,72cyclictest28671-21apt-get09:10:130
1798799914,79cyclictest20489-21df_inode07:15:100
1798799914,79cyclictest20489-21df_inode07:15:100
1798799909,68cyclictest16576-21apt-get11:40:140
1799499899,61cyclictest0-21swapper/111:40:141
1799499896,23cyclictest0-21swapper/110:00:121
17994998810,57cyclictest0-21swapper/108:50:151
17994998810,56cyclictest0-21swapper/108:40:121
1798799879,65cyclictest25872-21apt-get07:30:160
17987998753,28cyclictest14-21ksoftirqd/010:40:210
17987998718,60cyclictest27153-21aten2.4-expect12:10:220
1799499867,26cyclictest0-21swapper/111:35:131
1798799869,65cyclictest11180-21apt-get09:55:100
17987998613,63cyclictest0-21swapper/010:05:100
17994998510,60cyclictest0-21swapper/111:20:121
1798799859,64cyclictest9241-21apt-get11:20:130
17987998520,57cyclictest26977-21aten2.4-expect09:05:180
17987998512,59cyclictest0-21swapper/011:55:120
1798799843,74cyclictest30759-21sshd10:48:290
17987998418,55cyclictest0-21swapper/008:10:120
1799499839,55cyclictest0-21swapper/110:50:181
1798799839,65cyclictest22392-21apt-get07:20:130
17987998326,51cyclictest499-21dbus-daemon12:35:010
1799499829,51cyclictest0-21swapper/109:50:131
17994998232,30cyclictest0-21swapper/107:40:111
1798799829,63cyclictest7083-21apt-get09:40:120
1798799828,62cyclictest16476-21apt-get10:10:190
17987998229,46cyclictest499-21dbus-daemon07:15:010
17987998216,52cyclictest0-21swapper/010:25:150
1799499818,54cyclictest0-21swapper/112:05:151
17994998110,53cyclictest0-21swapper/107:50:121
17987998117,57cyclictest32590-21aten2.4-expect09:20:290
17987998116,55cyclictest0-21swapper/010:50:160
17987998114,57cyclictest0-21swapper/011:50:130
17987998110,62cyclictest492-21in:imuxsock12:15:130
1798799808,59cyclictest24129-21apt-get07:25:120
1798799807,60cyclictest12942-21apt-get10:00:140
1798799807,60cyclictest12872-21apt-get08:25:140
17987998021,52cyclictest243-21systemd-journal12:07:540
17987998014,55cyclictest0-21swapper/011:35:110
1799499797,54cyclictest0-21swapper/110:30:181
17994997939,26cyclictest26-21ksoftirqd/112:00:111
17987997913,56cyclictest0-21swapper/009:15:110
17987997913,56cyclictest0-21swapper/008:05:140
1798799785,68cyclictest0-21swapper/010:15:460
17987997827,44cyclictest499-21dbus-daemon10:40:000
1798799782,69cyclictest9027-21taskset09:47:280
17987997817,53cyclictest30663-21unixbench_singl07:40:370
1798799779,57cyclictest2343-21apt-get07:55:140
1798799775,66cyclictest0-21swapper/008:00:050
1749527718,49sleep00-21swapper/007:06:420
17994997628,28cyclictest0-21swapper/107:15:271
17994997628,28cyclictest0-21swapper/107:15:271
1798799768,56cyclictest25141-21apt-get09:00:130
1799499758,49cyclictest0-21swapper/112:30:181
1799499757,53cyclictest0-21swapper/108:15:161
1798799757,56cyclictest9374-21apt-get08:15:140
1799499748,46cyclictest0-21swapper/107:55:161
1799499743,52cyclictest32499-21runrttasks09:20:271
1798799748,54cyclictest18165-21apt-get08:40:110
1798799747,19cyclictest3373-21apt-get12:35:150
1798799738,53cyclictest9442-21apt-get09:50:120
17994997232,24cyclictest26-21ksoftirqd/107:36:571
17994997222,35cyclictest26-21ksoftirqd/109:05:151
17994997129,24cyclictest0-21swapper/108:55:141
1799499707,47cyclictest0-21swapper/107:30:151
1799499703,50cyclictest28495-21diskmemload09:10:131
169702708,47sleep116241-21/usr/sbin/munin07:05:261
17994996917,32cyclictest0-21swapper/112:15:121
17994996911,18cyclictest0-21swapper/110:20:131
17994996830,14cyclictest26-21ksoftirqd/112:39:001
1799499673,46cyclictest550-21snmpd10:55:141
17994996615,45cyclictest251rcuc/110:10:291
17994996615,21cyclictest251rcuc/111:10:261
1799499652,14cyclictest26-21ksoftirqd/111:09:001
17994996515,29cyclictest0-21swapper/109:00:121
17994996515,29cyclictest0-21swapper/108:20:131
17994996514,31cyclictest0-21swapper/110:35:101
1799499648,15cyclictest26-21ksoftirqd/110:50:001
17994996412,32cyclictest0-21swapper/112:20:131
17994996412,31cyclictest0-21swapper/109:40:121
17994996311,33cyclictest0-21swapper/110:25:131
17994996223,24cyclictest26-21ksoftirqd/111:30:001
17994996218,27cyclictest0-21swapper/111:50:161
17994996217,24cyclictest0-21swapper/109:55:101
17994996216,29cyclictest0-21swapper/111:15:131
17994996215,27cyclictest0-21swapper/108:25:131
17994996214,28cyclictest0-21swapper/108:05:131
17994996213,28cyclictest0-21swapper/108:00:111
17994996212,26cyclictest0-21swapper/108:10:111
17994996111,35cyclictest26-21ksoftirqd/111:00:121
17994996111,31cyclictest0-21swapper/107:25:121
1799499603,38cyclictest22277-21uname11:55:251
17994996014,26cyclictest0-21swapper/109:15:101
1799499596,24cyclictest26-21ksoftirqd/111:30:371
17994995918,25cyclictest26-21ksoftirqd/111:45:191
17994995914,21cyclictest251rcuc/108:35:341
17994995825,14cyclictest26-21ksoftirqd/108:50:001
17994995823,15cyclictest26-21ksoftirqd/109:50:011
17994995817,14cyclictest26-21ksoftirqd/109:30:291
17994995814,19cyclictest251rcuc/108:30:131
17994995718,15cyclictest26-21ksoftirqd/110:40:171
17994995718,15cyclictest26-21ksoftirqd/110:05:291
17994995713,19cyclictest251rcuc/109:25:211
17994995711,27cyclictest0-21swapper/107:10:121
1799499566,18cyclictest5272-21apt-get09:35:111
17994995512,37cyclictest251rcuc/107:45:491
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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