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2024-04-27 - 15:10
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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 rack4slot6.osadl.org (updated Sat Apr 27, 2024 12:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14896521170,104pltrace0-21swapper/207:05:152
14896521170,104pltrace0-21swapper/207:05:152
17687521120,103pltrace0-21swapper/507:10:015
17687521120,103pltrace0-21swapper/507:10:015
1456952940,0pltrace0-21swapper/310:51:383
1768752920,78pltrace0-21swapper/107:09:421
1768752920,78pltrace0-21swapper/107:09:411
1489652850,81pltrace0-21swapper/307:05:213
1489652850,81pltrace0-21swapper/307:05:213
1788127158,9sleep60-21swapper/607:09:216
1788127158,9sleep60-21swapper/607:09:206
1772526551,10sleep70-21swapper/707:07:057
1772526551,10sleep70-21swapper/707:07:047
1784626247,11sleep00-21swapper/007:08:510
1784626247,11sleep00-21swapper/007:08:500
1517825940,5sleep40-21swapper/407:05:024
1517825940,5sleep40-21swapper/407:05:024
680352280,3pltrace0-21swapper/708:45:227
233452270,0pltrace0-21swapper/709:32:007
18078992620,4cyclictest0-21swapper/507:34:465
1237952260,0pltrace0-21swapper/708:55:197
1805799240,21cyclictest0-21swapper/011:40:010
2962952210,15pltrace31694-21ntp_states12:20:171
2575452210,4pltrace0-21swapper/711:15:257
1845652210,11pltrace0-21swapper/512:00:115
2805152200,7pltrace0-21swapper/708:24:417
2636652200,14pltrace28092-21iostat_ios09:20:191
1565752200,0pltrace0-21swapper/711:55:267
1845652190,12pltrace20178-21iostat_ios12:00:151
18082991912,6cyclictest0-21swapper/609:17:436
790952180,13pltrace9452-21gltestperf09:45:161
3242152180,0pltrace0-21swapper/712:25:237
2187752180,0pltrace0-21swapper/710:07:277
18074991816,1cyclictest0-21swapper/409:29:134
1806599180,16cyclictest25743-21if_eth012:10:142
121452180,4pltrace0-21swapper/708:32:567
838852170,12pltrace54-21ksoftirqd/412:39:254
2466852170,0pltrace0-21swapper/710:15:087
18082991714,2cyclictest23307-21fschecks_time10:10:156
18082991714,2cyclictest1166-21runrttasks11:20:596
18082991711,3cyclictest0-21swapper/607:34:436
1808299171,15cyclictest0-21swapper/607:24:376
1808299171,15cyclictest0-21swapper/607:24:376
1807499171,15cyclictest0-21swapper/410:52:514
18065991711,5cyclictest0-21swapper/210:37:332
1806099171,4cyclictest0-21swapper/107:32:421
18057991712,3cyclictest0-21swapper/012:39:030
1627152170,2pltrace0-21swapper/709:58:117
849852160,4pltrace0-21swapper/707:47:177
790952160,12pltrace0-21swapper/509:45:325
512052160,5pltrace0-21swapper/109:40:071
3084052160,12pltrace0-21swapper/508:30:305
2636652160,11pltrace28552-21/usr/sbin/munin09:20:262
1808599165,4cyclictest0-21swapper/711:06:547
1808599163,8cyclictest0-21swapper/708:37:577
18085991610,3cyclictest0-21swapper/710:25:567
18085991610,3cyclictest0-21swapper/710:25:567
1808599161,4cyclictest0-21swapper/707:22:547
1808599161,4cyclictest0-21swapper/707:22:547
1808599161,14cyclictest0-21swapper/707:28:517
1808599160,15cyclictest0-21swapper/711:35:017
18082991613,2cyclictest4479-21cat12:30:176
18082991613,2cyclictest32527-21taskset12:23:046
18082991613,2cyclictest28875-21grep10:20:146
18082991613,2cyclictest20004-21wc07:10:186
18082991613,2cyclictest1166-21runrttasks11:41:426
1808299161,14cyclictest0-21swapper/609:51:416
18074991611,3cyclictest0-21swapper/407:32:584
1806999160,8cyclictest0-21swapper/309:30:063
18060991611,3cyclictest0-21swapper/112:13:231
18060991611,3cyclictest0-21swapper/108:58:211
1806099160,15cyclictest0-21swapper/112:25:501
1806099160,15cyclictest0-21swapper/110:38:391
18057991615,1cyclictest0-21swapper/009:14:130
1805799161,7cyclictest0-21swapper/009:01:150
1805799161,5cyclictest0-21swapper/011:21:460
1805799161,4cyclictest0-21swapper/007:56:250
172052160,0pltrace0-21swapper/711:28:287
790952150,7pltrace8849-21cpuspeed_turbos09:45:132
2962952150,3pltrace31401-21wc12:20:155
2636652150,3pltrace27134-21cpu09:20:155
2187752150,10pltrace54-21ksoftirqd/410:08:084
1808599153,10cyclictest12298-21cat07:55:157
18085991510,3cyclictest0-21swapper/710:37:387
1808599150,8cyclictest0-21swapper/710:51:047
1808599150,7cyclictest0-21swapper/712:35:127
1808599150,7cyclictest0-21swapper/712:33:007
1808599150,7cyclictest0-21swapper/712:14:067
1808599150,3cyclictest0-21swapper/709:37:457
1808599150,14cyclictest25029-21cut09:15:147
1808599150,14cyclictest0-21swapper/710:47:347
1808599150,14cyclictest0-21swapper/710:12:387
1808599150,14cyclictest0-21swapper/709:23:227
1808599150,14cyclictest0-21swapper/707:39:127
1808599150,13cyclictest0-21swapper/709:49:057
1808599150,13cyclictest0-21swapper/707:12:157
1808299159,5cyclictest0-21swapper/609:36:206
18082991514,1cyclictest0-21swapper/610:25:096
18082991514,1cyclictest0-21swapper/610:25:096
18082991514,1cyclictest0-21swapper/610:15:136
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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