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2024-04-19 - 21:23
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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 100 highest latencies:
System rackcslot4.osadl.org (updated Fri Apr 19, 2024 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6250822317275,27sleep10-21swapper/107:08:581
6251742302267,19sleep00-21swapper/007:09:560
8018312680,4sleep1251rcuc/112:19:311
625306996258,3cyclictest685119-21kworker/u8:309:32:591
159199610,4rtkit-daemon1590-21rtkit-daemon10:09:520
7194192550,2sleep10-21swapper/110:14:021
159199530,5rtkit-daemon1590-21rtkit-daemon12:24:000
159199530,4rtkit-daemon1590-21rtkit-daemon09:17:330
159199530,3rtkit-daemon1590-21rtkit-daemon11:02:241
159199480,4rtkit-daemon1590-21rtkit-daemon08:12:490
159199470,3rtkit-daemon1590-21rtkit-daemon10:24:290
159199450,3rtkit-daemon1590-21rtkit-daemon10:25:280
159199430,3rtkit-daemon1590-21rtkit-daemon12:00:240
159199390,6rtkit-daemon734905-21ssh10:37:570
159199380,4rtkit-daemon0-21swapper/009:42:100
159199380,3rtkit-daemon1590-21rtkit-daemon10:10:440
159199370,4rtkit-daemon1590-21rtkit-daemon10:25:351
159199370,3rtkit-daemon0-21swapper/007:18:440
159199360,3rtkit-daemon0-21swapper/110:30:080
159199360,3rtkit-daemon0-21swapper/011:26:011
159199360,3rtkit-daemon0-21swapper/009:14:501
159199360,3rtkit-daemon0-21swapper/009:14:290
625306993510,3cyclictest7623452ssh11:19:061
159199350,4rtkit-daemon1590-21rtkit-daemon12:25:300
159199350,4rtkit-daemon1590-21rtkit-daemon08:10:151
159199350,4rtkit-daemon1590-21rtkit-daemon07:10:171
159199350,3rtkit-daemon1590-21rtkit-daemon11:46:421
159199350,3rtkit-daemon1590-21rtkit-daemon10:30:301
159199350,3rtkit-daemon0-21swapper/111:17:370
159199350,3rtkit-daemon0-21swapper/111:02:440
159199350,3rtkit-daemon0-21swapper/009:34:160
159199350,3rtkit-daemon0-21swapper/008:43:550
159199340,5rtkit-daemon646063-21fw_packets08:00:190
159199340,4rtkit-daemon739523-21/usr/sbin/munin10:45:080
159199340,4rtkit-daemon1590-21rtkit-daemon12:29:171
159199340,4rtkit-daemon1590-21rtkit-daemon10:01:310
159199340,4rtkit-daemon0-21swapper/009:40:021
159199340,3rtkit-daemon1590-21rtkit-daemon10:53:401
159199340,3rtkit-daemon1590-21rtkit-daemon07:35:341
159199340,3rtkit-daemon0-21swapper/112:07:040
159199340,3rtkit-daemon0-21swapper/112:07:030
159199340,3rtkit-daemon0-21swapper/111:48:370
159199340,3rtkit-daemon0-21swapper/111:37:021
159199340,3rtkit-daemon0-21swapper/109:26:011
159199340,3rtkit-daemon0-21swapper/109:01:011
159199340,3rtkit-daemon0-21swapper/107:56:051
159199330,4rtkit-daemon1590-21rtkit-daemon08:30:270
159199330,4rtkit-daemon1590-21rtkit-daemon07:17:161
159199330,3rtkit-daemon0-21swapper/111:35:100
159199330,3rtkit-daemon0-21swapper/109:50:421
159199330,3rtkit-daemon0-21swapper/011:11:450
159199330,3rtkit-daemon0-21swapper/008:23:541
159199320,5rtkit-daemon799353-21ssh12:15:220
159199320,4rtkit-daemon1590-21rtkit-daemon12:31:311
159199320,4rtkit-daemon1590-21rtkit-daemon07:52:151
159199320,3rtkit-daemon0-21swapper/111:55:010
159199320,3rtkit-daemon0-21swapper/107:35:200
159199320,3rtkit-daemon0-21swapper/107:25:410
159199310,3rtkit-daemon1590-21rtkit-daemon11:05:411
159199310,3rtkit-daemon1590-21rtkit-daemon07:29:421
159199310,3rtkit-daemon0-21swapper/112:30:070
159199310,3rtkit-daemon0-21swapper/109:56:400
159199310,3rtkit-daemon0-21swapper/109:50:550
159199310,3rtkit-daemon0-21swapper/008:47:261
159199300,3rtkit-daemon1590-21rtkit-daemon10:56:281
159199300,3rtkit-daemon1590-21rtkit-daemon08:53:221
159199300,3rtkit-daemon1590-21rtkit-daemon08:06:451
159199300,3rtkit-daemon0-21swapper/108:53:150
159199300,3rtkit-daemon0-21swapper/012:23:031
159199300,3rtkit-daemon0-21swapper/010:05:181
159199300,3rtkit-daemon0-21swapper/010:00:511
159199300,3rtkit-daemon0-21swapper/009:58:211
159199290,3rtkit-daemon1590-21rtkit-daemon11:53:491
159199290,3rtkit-daemon0-21swapper/110:50:480
625302992812,9cyclictest647665-21apt-get08:05:130
62530299280,10cyclictest6994332latency09:45:200
159199280,3rtkit-daemon0-21swapper/112:13:570
159199280,3rtkit-daemon0-21swapper/111:43:520
159199280,3rtkit-daemon0-21swapper/111:06:150
159199280,3rtkit-daemon0-21swapper/109:01:080
159199280,3rtkit-daemon0-21swapper/107:20:550
625306992712,10cyclictest633837-21apt-get07:30:131
625302992718,5cyclictest684475-21python309:25:010
159199270,1rtkit-daemon1590-21rtkit-daemon12:37:501
625306992610,11cyclictest661751-21apt-get08:40:121
62530299262,16cyclictest651949-21apt-get08:15:130
625302992612,8cyclictest786102-21apt-get11:55:140
62530299260,6cyclictest0-21swapper/011:23:540
159199260,3rtkit-daemon0-21swapper/107:46:570
159199260,20rtkit-daemon625276-21cyclictest09:16:561
159199260,1rtkit-daemon1590-21rtkit-daemon07:44:151
62530699252,16cyclictest667600-21apt-get08:55:131
62530699252,15cyclictest722285-21apt-get10:20:091
62530699252,15cyclictest655877-21apt-get08:25:121
625306992514,6cyclictest63950irq/130-enp2s011:10:121
625306992512,8cyclictest63950irq/130-enp2s011:20:141
625302992512,8cyclictest3509635-1kworker/u9:011:30:120
625302992511,9cyclictest718464-1kworker/u9:210:55:110
159199250,1rtkit-daemon1590-21rtkit-daemon10:38:481
62530699246,13cyclictest26-21ksoftirqd/112:10:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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