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2023-03-27 - 03:28

x86 Intel Core i7-3770K @3500 MHz, Linux 5.4.102-rt53 (Profile)

Latency plot of system in rack #c, slot #6
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h200 -q
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 rackcslot6.osadl.org (updated Mon Mar 27, 2023 00:46:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
273760129557,12sleep40-21swapper/419:07:544
273753129558,11sleep00-21swapper/019:06:530
273773829356,12sleep20-21swapper/219:09:532
29086802920,3sleep442-21ksoftirqd/400:20:004
273773929255,11sleep30-21swapper/319:09:553
29208352840,1sleep228-21ksoftirqd/200:40:002
2737979998314,37cyclictest0-21swapper/623:12:186
2737979998216,36cyclictest0-21swapper/620:12:196
2737979998215,36cyclictest0-21swapper/619:47:196
273773428260,11sleep70-21swapper/719:09:507
27546902800,0sleep70-21swapper/719:50:187
2737979998014,36cyclictest0-21swapper/619:12:196
2737979998014,34cyclictest0-21swapper/621:22:196
2737931998015,36cyclictest0-21swapper/020:37:180
273755428056,12sleep50-21swapper/519:07:155
273798799785,39cyclictest0-21swapper/722:12:187
273747127860,12sleep60-21swapper/619:06:046
273764327558,12sleep10-21swapper/119:08:321
2737956996210,21cyclictest0-21swapper/321:57:183
2737979996116,36cyclictest0-21swapper/600:07:186
2737956995811,16cyclictest0-21swapper/322:22:193
2737956993115,15cyclictest0-21swapper/323:17:183
2737951993115,15cyclictest0-21swapper/221:17:182
2737951993029,1cyclictest0-21swapper/222:57:192
2737951993029,1cyclictest0-21swapper/222:57:192
28730142290,0sleep4411rcuc/423:20:004
2737956992913,15cyclictest0-21swapper/300:32:183
2737956992912,16cyclictest0-21swapper/322:07:193
28498652280,2sleep010-21ksoftirqd/022:40:170
2737979992813,15cyclictest0-21swapper/621:32:196
2737979992813,15cyclictest0-21swapper/621:32:186
2737987992711,15cyclictest0-21swapper/719:42:187
2737939992711,15cyclictest0-21swapper/100:37:181
273797999258,15cyclictest0-21swapper/600:17:186
273795699249,15cyclictest0-21swapper/320:47:193
273795199248,15cyclictest0-21swapper/219:57:182
273793999248,4cyclictest0-21swapper/123:27:181
2737931992412,11cyclictest0-21swapper/020:17:180
2737931992410,13cyclictest0-21swapper/022:27:180
273795699237,15cyclictest0-21swapper/323:42:183
273793199236,8cyclictest0-21swapper/000:27:180
273793199236,8cyclictest0-21swapper/000:27:180
273797999226,15cyclictest0-21swapper/620:27:186
2737964992120,1cyclictest0-21swapper/421:37:194
273793999215,15cyclictest0-21swapper/123:02:181
273797999204,15cyclictest0-21swapper/622:17:186
2737964992019,1cyclictest0-21swapper/400:22:184
273795699204,15cyclictest0-21swapper/320:07:193
273798799193,15cyclictest0-21swapper/723:37:197
273796499198,11cyclictest0-21swapper/419:17:194
2737964991910,9cyclictest0-21swapper/423:52:194
2737964991910,9cyclictest0-21swapper/421:47:184
28624162180,2sleep442-21ksoftirqd/423:00:224
273796499187,11cyclictest0-21swapper/420:57:184
273796499187,11cyclictest0-21swapper/419:27:194
273796499186,12cyclictest0-21swapper/422:37:184
273795699182,15cyclictest0-21swapper/319:37:193
2737956991815,3cyclictest0-21swapper/320:22:183
273795199183,8cyclictest0-21swapper/200:02:192
273795199182,11cyclictest0-21swapper/221:07:182
215199180,1rtkit-daemon2150-21rtkit-daemon00:00:164
29037852170,0sleep30-21swapper/300:10:143
27504202170,0sleep30-21swapper/319:40:143
215199170,1rtkit-daemon2150-21rtkit-daemon19:59:544
2737951991615,1cyclictest0-21swapper/222:47:192
273795199160,15cyclictest0-21swapper/219:22:182
27588682150,0sleep30-21swapper/320:00:233
2737971991514,1cyclictest0-21swapper/520:32:195
273795699150,14cyclictest0-21swapper/323:05:213
215199150,1rtkit-daemon581-21systemd-journal21:01:000
215199150,1rtkit-daemon2150-21rtkit-daemon23:39:160
27648462140,0sleep40-21swapper/420:10:254
2737971991413,1cyclictest0-21swapper/523:57:185
2737971991413,1cyclictest0-21swapper/523:32:185
2737971991413,1cyclictest0-21swapper/523:22:185
2737971991413,1cyclictest0-21swapper/522:32:185
2737971991413,1cyclictest0-21swapper/521:27:185
2737971991413,1cyclictest0-21swapper/520:42:195
2737971991413,1cyclictest0-21swapper/520:02:185
215199140,4rtkit-daemon0-21swapper/422:56:514
215199140,4rtkit-daemon0-21swapper/422:56:514
2737971991312,1cyclictest0-21swapper/523:47:185
2737971991312,1cyclictest0-21swapper/522:42:185
2737971991312,1cyclictest0-21swapper/521:52:185
2737971991312,1cyclictest0-21swapper/521:12:185
2737971991312,1cyclictest0-21swapper/521:02:185
2737971991312,1cyclictest0-21swapper/519:52:185
273796499130,13cyclictest0-21swapper/420:00:064
273795699130,1cyclictest0-21swapper/321:15:163
273795199130,13cyclictest0-21swapper/222:50:222
273795199130,13cyclictest0-21swapper/221:50:232
2737939991312,1cyclictest2811143-21/usr/sbin/munin21:30:231
2737939991312,1cyclictest2811143-21/usr/sbin/munin21:30:231
2737987991211,1cyclictest0-21swapper/700:06:497
273797199129,3cyclictest0-21swapper/523:07:185
2737971991211,1cyclictest0-21swapper/523:40:205
2737971991211,1cyclictest0-21swapper/523:26:025
2737971991211,1cyclictest0-21swapper/523:17:065
2737971991211,1cyclictest0-21swapper/522:49:575
2737971991211,1cyclictest0-21swapper/521:56:465
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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