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2023-10-04 - 06:13
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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
Characteristics of the 100 highest latencies:
System rack6slot0.osadl.org (updated Wed Oct 04, 2023 01:01:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17749921014,182cyclictest0-21swapper/3421:24:0628
17749921014,182cyclictest0-21swapper/3421:24:0528
17749921012,186cyclictest0-21swapper/3420:04:2828
17749921012,186cyclictest0-21swapper/3420:04:2828
178299201188,12cyclictest0-21swapper/3919:45:2533
178299201188,12cyclictest0-21swapper/3919:45:2533
178299199174,12cyclictest0-21swapper/3923:46:5333
178299199174,12cyclictest0-21swapper/3923:46:5233
17749919912,175cyclictest0-21swapper/3422:45:2628
17749919912,175cyclictest0-21swapper/3422:45:2628
175699199127,58cyclictest0-21swapper/2100:40:0014
175699199127,58cyclictest0-21swapper/2100:40:0014
174699196191,4cyclictest0-21swapper/1421:28:166
174699196191,4cyclictest0-21swapper/1421:28:166
172999196150,9cyclictest171rcu_preempt22:09:080
172999196150,9cyclictest171rcu_preempt22:09:080
174699195184,7cyclictest0-21swapper/1423:35:476
174699195184,7cyclictest0-21swapper/1423:35:476
174699195184,7cyclictest0-21swapper/1423:35:476
176399194179,13cyclictest0-21swapper/2700:28:2920
176399194179,13cyclictest0-21swapper/2700:28:2920
17749919312,176cyclictest0-21swapper/3421:18:5328
17749919312,176cyclictest0-21swapper/3421:18:5328
17749919312,176cyclictest0-21swapper/3421:18:5328
1774991920,186cyclictest0-21swapper/3421:27:5828
1774991920,186cyclictest0-21swapper/3421:27:5828
174699191176,12cyclictest37655-21kworker/u82:3-rpciod20:05:006
174699191176,12cyclictest37655-21kworker/u82:3-rpciod20:05:006
17749919016,163cyclictest2163-21nfsd00:14:1228
17749919016,163cyclictest2163-21nfsd00:14:1228
17749919016,163cyclictest2163-21nfsd00:14:1228
172999190181,4cyclictest0-21swapper/022:24:440
172999190181,4cyclictest0-21swapper/022:24:440
172999190181,4cyclictest0-21swapper/022:24:440
176699188174,12cyclictest0-21swapper/2821:05:0621
176699188174,12cyclictest0-21swapper/2821:05:0621
176699188174,12cyclictest0-21swapper/2821:05:0621
176399188180,6cyclictest0-21swapper/2723:49:1420
176399188180,6cyclictest0-21swapper/2723:49:1420
174699188179,8cyclictest0-21swapper/1422:33:136
174699188179,8cyclictest0-21swapper/1422:33:126
174699187176,10cyclictest0-21swapper/1422:11:116
174699187176,10cyclictest0-21swapper/1422:11:116
174699187176,10cyclictest0-21swapper/1422:11:116
178299186174,11cyclictest0-21swapper/3919:35:0433
17749918611,171cyclictest0-21swapper/3421:00:2828
17749918611,171cyclictest0-21swapper/3421:00:2828
176099186175,9cyclictest0-21swapper/2421:51:4317
176099186175,9cyclictest0-21swapper/2421:51:4217
176099186175,9cyclictest0-21swapper/2421:51:4217
178299184163,13cyclictest0-21swapper/3921:32:3133
178299184163,13cyclictest0-21swapper/3921:32:3133
176399184174,8cyclictest0-21swapper/2720:30:0520
176399184169,14cyclictest0-21swapper/2721:21:0020
176399184169,14cyclictest0-21swapper/2721:21:0020
1774991839,168cyclictest0-21swapper/3423:28:5328
1774991839,168cyclictest0-21swapper/3423:28:5328
177199183174,7cyclictest0-21swapper/3122:54:3325
177199183174,7cyclictest0-21swapper/3122:54:3325
176399183171,9cyclictest0-21swapper/2723:11:4720
176399183171,9cyclictest0-21swapper/2723:11:4620
176399183132,27cyclictest0-21swapper/2721:29:3520
176399183132,27cyclictest0-21swapper/2721:29:3520
172999183139,32cyclictest0-21swapper/021:40:580
172999183139,32cyclictest0-21swapper/021:40:580
172999183139,32cyclictest0-21swapper/021:40:580
176399182165,13cyclictest19506-21CPU20
176399182165,13cyclictest19506-21CPU20
176199182141,39cyclictest0-21swapper/2521:34:4018
176199182141,39cyclictest0-21swapper/2521:34:4018
174699182171,9cyclictest0-21swapper/1423:05:476
174699182171,9cyclictest0-21swapper/1423:05:476
174699182171,9cyclictest0-21swapper/1423:05:476
174699182170,10cyclictest0-21swapper/1421:37:186
174699182170,10cyclictest0-21swapper/1421:37:186
176099181129,39cyclictest18938-21CPU17
176099181129,39cyclictest18938-21CPU17
174699181169,10cyclictest0-21swapper/1420:25:456
174699181169,10cyclictest0-21swapper/1420:25:456
178299180125,29cyclictest0-21swapper/3920:41:4733
178299180125,29cyclictest0-21swapper/3920:41:4733
174699180174,4cyclictest1261-21jbd2/sdb1-823:44:216
174699180174,4cyclictest1261-21jbd2/sdb1-823:44:216
174699180170,7cyclictest0-21swapper/1421:41:426
174699180170,7cyclictest0-21swapper/1421:41:416
174699180170,7cyclictest0-21swapper/1421:41:416
176399179115,49cyclictest11079-21CPU20
176399179115,49cyclictest11079-21CPU20
176099179168,9cyclictest0-21swapper/2422:24:3617
176099179168,9cyclictest0-21swapper/2422:24:3617
176099179168,9cyclictest0-21swapper/2422:24:3617
174899179166,11cyclictest0-21swapper/1622:24:238
174899179166,11cyclictest0-21swapper/1622:24:238
174899179166,11cyclictest0-21swapper/1622:24:238
174699179174,4cyclictest0-21swapper/1422:25:396
174699179174,4cyclictest0-21swapper/1422:25:396
178299178108,58cyclictest11189-21CPU33
178299178108,58cyclictest11189-21CPU33
178299178108,58cyclictest11189-21CPU33
1774991784,164cyclictest0-21swapper/3421:32:1528
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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