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2023-06-05 - 23:11

x86 Intel Xeon E3-1220L V2 @2300 MHz, Linux 4.18.7-rt5 (Profile)

Latency plot of system in rack #0, slot #1
Data to construct the above plot have been generated using the RT test utility cyclictest.
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 50 highest latencies:
System rack0slot1.osadl.org (updated Mon Jun 05, 2023 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1366995854,2cyclictest79-21ksoftirqd/711:23:577
1364995855,2cyclictest70-21ksoftirqd/611:23:586
1353995855,2cyclictest25-21ksoftirqd/111:23:581
1364995148,2cyclictest70-21ksoftirqd/608:18:026
1359995149,1cyclictest43-21ksoftirqd/308:18:023
1359994943,5cyclictest43-21ksoftirqd/311:23:573
1354994947,1cyclictest34-21ksoftirqd/211:23:582
1354994947,1cyclictest34-21ksoftirqd/208:18:022
1352994846,1cyclictest32234-21check_snmp10:43:520
1363994744,2cyclictest61-21ksoftirqd/508:18:025
1366994643,2cyclictest79-21ksoftirqd/711:48:567
1363994642,2cyclictest61-21ksoftirqd/511:23:585
1354994642,2cyclictest34-21ksoftirqd/211:48:572
1352994641,3cyclictest9-21ksoftirqd/011:48:570
1366994442,1cyclictest79-21ksoftirqd/708:18:027
1363994339,2cyclictest61-21ksoftirqd/511:48:575
1361994341,1cyclictest52-21ksoftirqd/411:48:574
1361994340,2cyclictest52-21ksoftirqd/410:43:524
1353994341,1cyclictest25-21ksoftirqd/108:18:021
1361994240,1cyclictest31271-21check_snmp11:23:574
1353994240,1cyclictest25-21ksoftirqd/111:48:571
1353994239,2cyclictest25-21ksoftirqd/110:43:521
1359994138,2cyclictest43-21ksoftirqd/310:43:523
1353994137,2cyclictest25-21ksoftirqd/107:12:511
1361994037,2cyclictest52-21ksoftirqd/408:18:024
1364993937,1cyclictest70-21ksoftirqd/607:27:536
1363993936,2cyclictest61-21ksoftirqd/507:38:025
1354993936,2cyclictest34-21ksoftirqd/207:12:512
1353993933,5cyclictest25-21ksoftirqd/107:32:501
1364993835,2cyclictest70-21ksoftirqd/607:38:026
1361993836,1cyclictest52-21ksoftirqd/407:38:024
1352993835,2cyclictest9-21ksoftirqd/011:23:580
1366993735,1cyclictest79-21ksoftirqd/710:43:527
1366993734,2cyclictest29355-21check_snmp07:38:027
1364993735,1cyclictest70-21ksoftirqd/607:12:516
1364993733,2cyclictest70-21ksoftirqd/609:47:456
1363993735,1cyclictest61-21ksoftirqd/507:27:535
1352993634,1cyclictest9-21ksoftirqd/008:18:020
1352993634,1cyclictest9-21ksoftirqd/007:27:530
1352993633,2cyclictest9-21ksoftirqd/010:54:500
1359993532,2cyclictest43-21ksoftirqd/311:48:563
1353993532,1cyclictest29318-21check_snmp07:38:021
1353993429,1cyclictest25-21ksoftirqd/107:27:531
1366993331,1cyclictest11491-21check_snmp07:27:537
1363993331,1cyclictest17107-21check_snmp07:12:515
1366993127,2cyclictest79-21ksoftirqd/707:32:507
1354993128,2cyclictest34-21ksoftirqd/207:27:532
1352993127,3cyclictest9-21ksoftirqd/007:38:020
1366993027,2cyclictest27176-21bash10:54:507
1361993024,5cyclictest52-21ksoftirqd/407:27:534
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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