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2023-03-27 - 05:29

x86 Intel Core i5-6440EQ @2700 MHz, Linux 4.9.47-rt37 (Profile)

Latency plot of system in rack #5, slot #2
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 -h400 -q
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 rack5slot2.osadl.org (updated Mon Mar 27, 2023 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
186032209193,11sleep30-21swapper/319:05:253
187392205189,11sleep10-21swapper/119:07:131
186302202185,13sleep00-21swapper/019:05:460
188022172156,12sleep20-21swapper/219:08:012
291452500,0sleep20-21swapper/221:44:502
311162470,0sleep30-21swapper/323:04:393
180882390,0sleep10-21swapper/121:37:361
122662130,0sleep00-21swapper/023:32:050
28811290,0sleep30-21swapper/322:04:003
191329991,4cyclictest8238-21perf20:10:000
191429960,6cyclictest0-21swapper/300:27:453
191429960,5cyclictest27950-21smartctl19:30:253
191329960,5cyclictest0-21swapper/023:10:120
18407260,0sleep10-21swapper/121:16:541
191429955,0cyclictest6355-21kworker/3:022:58:513
191429955,0cyclictest6355-21kworker/3:021:29:183
191429950,5cyclictest0-21swapper/323:50:223
191429950,5cyclictest0-21swapper/300:13:033
191429950,4cyclictest7792-21apt-get23:10:123
191429950,0cyclictest0-21swapper/323:55:023
191429950,0cyclictest0-21swapper/300:33:083
191389955,0cyclictest0-21swapper/223:51:522
191389955,0cyclictest0-21swapper/221:55:372
191389955,0cyclictest0-21swapper/221:50:232
191389955,0cyclictest0-21swapper/200:38:342
191389952,3cyclictest759-21snmpd22:41:212
191389950,5cyclictest0-21swapper/222:26:362
191389950,5cyclictest0-21swapper/221:45:132
191359951,2cyclictest0-21swapper/123:35:121
191359951,2cyclictest0-21swapper/119:10:141
191359950,5cyclictest0-21swapper/100:16:351
191329955,0cyclictest0-21swapper/022:38:540
191329951,3cyclictest759-21snmpd22:05:540
191329951,2cyclictest0-21swapper/022:45:120
191329951,2cyclictest0-21swapper/022:10:120
191329951,2cyclictest0-21swapper/020:55:120
191329951,2cyclictest0-21swapper/020:40:120
191329951,2cyclictest0-21swapper/020:35:130
191329950,5cyclictest0-21swapper/000:05:180
191329950,4cyclictest32613-21python21:25:210
191329950,4cyclictest29279-21munin-run19:40:000
191329950,4cyclictest0-21swapper/019:10:130
191329950,4cyclictest0-21swapper/000:30:110
191429944,0cyclictest6355-21kworker/3:022:25:173
191429944,0cyclictest6355-21kworker/3:020:55:423
191429944,0cyclictest6355-21kworker/3:020:44:303
191429944,0cyclictest6355-21kworker/3:019:59:443
191429944,0cyclictest6355-21kworker/3:019:48:313
191429944,0cyclictest6355-21kworker/3:019:37:193
191429944,0cyclictest6355-21kworker/3:019:26:103
191429944,0cyclictest0-21swapper/321:18:273
191429944,0cyclictest0-21swapper/321:13:143
191429941,0cyclictest19404-21hddtemp_smartct20:30:183
191429940,4cyclictest1972-21ssh22:45:543
191429940,4cyclictest19604-21users00:15:303
191429940,4cyclictest13604-21apt-get20:20:023
191429940,4cyclictest13604-21apt-get20:20:013
191429940,4cyclictest0-21swapper/323:40:113
191429940,4cyclictest0-21swapper/323:35:223
191429940,4cyclictest0-21swapper/323:22:253
191429940,4cyclictest0-21swapper/323:15:113
191429940,4cyclictest0-21swapper/322:15:153
191429940,4cyclictest0-21swapper/322:05:143
191429940,4cyclictest0-21swapper/321:40:143
191429940,4cyclictest0-21swapper/320:50:123
191429940,4cyclictest0-21swapper/300:37:543
191429940,4cyclictest0-21swapper/300:20:123
191429940,4cyclictest0-21swapper/300:05:123
191429940,4cyclictest0-21swapper/300:00:013
191429940,3cyclictest7690-21cut22:50:153
191429940,3cyclictest756-21runrttasks21:48:193
191429940,3cyclictest6826-21rm22:30:023
191429940,3cyclictest6215-21apt-config22:10:013
191429940,3cyclictest6210-21df21:50:153
191429940,3cyclictest4875-21sh23:27:423
191429940,3cyclictest4456-21irqstats21:05:183
191429940,3cyclictest32580-21df23:05:143
191429940,3cyclictest30611-21ssh22:44:283
191429940,3cyclictest1254-21perl23:45:153
191429940,3cyclictest11594-21cut20:15:143
191429940,3cyclictest0-21swapper/320:10:123
191429940,3cyclictest0-21swapper/319:10:133
191429940,1cyclictest30201-21ssh21:24:473
191429940,0cyclictest0-21swapper/323:31:443
191389944,0cyclictest0-21swapper/223:15:122
191389944,0cyclictest0-21swapper/222:49:372
191389944,0cyclictest0-21swapper/219:26:192
191389943,1cyclictest14770-21/usr/sbin/munin22:15:282
191389941,2cyclictest9517-21cat00:30:012
191389940,4cyclictest32591-21df_inode23:05:142
191389940,4cyclictest16259-21df_inode22:55:142
191389940,4cyclictest0-21swapper/223:55:312
191389940,4cyclictest0-21swapper/223:30:122
191389940,4cyclictest0-21swapper/223:21:042
191389940,4cyclictest0-21swapper/223:10:122
191389940,4cyclictest0-21swapper/223:03:252
191389940,4cyclictest0-21swapper/222:10:132
191389940,4cyclictest0-21swapper/221:38:532
191389940,4cyclictest0-21swapper/221:20:082
191389940,4cyclictest0-21swapper/221:11:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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