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2024-04-27 - 11:20
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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 rack8slot4.osadl.org (updated Sat Apr 27, 2024 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16542312231174,19sleep20-21swapper/219:07:182
16541472231171,48sleep40-21swapper/419:06:074
16543262228169,19sleep50-21swapper/519:08:415
16541862217187,19sleep70-21swapper/719:06:427
16543992212183,18sleep10-21swapper/119:09:421
16542562212184,18sleep00-21swapper/019:07:390
16541912212181,20sleep30-21swapper/319:06:473
16543272201177,15sleep60-21swapper/619:08:426
17071582560,1sleep351-21ksoftirqd/320:40:233
16722212550,1sleep30-21swapper/319:40:023
165462499340,29cyclictest1697758-21apt-get20:25:235
1654624993226,5cyclictest1826090-21latency_hist00:15:015
1654624993127,4cyclictest0-21swapper/520:05:025
165461399310,29cyclictest0-21swapper/123:20:241
165462999300,29cyclictest0-21swapper/622:35:016
165462499300,29cyclictest1657464-21install19:15:025
165461799300,29cyclictest0-21swapper/219:45:022
1654613993028,1cyclictest3986377-21systemd-journal22:20:001
1654613993026,3cyclictest1739652-21apt21:40:011
1654610993028,1cyclictest0-21swapper/021:20:230
1654610993028,1cyclictest0-21swapper/000:25:230
1654610993027,2cyclictest3986377-21systemd-journal20:35:020
1654634992926,2cyclictest3986377-21systemd-journal23:35:017
1654634992926,2cyclictest3986377-21systemd-journal23:35:017
165463499290,28cyclictest1756980-21apt-get22:10:227
165463499290,28cyclictest1692204-21apt-get20:15:217
165463499290,28cyclictest0-21swapper/720:50:227
165463499290,28cyclictest0-21swapper/700:25:237
165463499290,28cyclictest0-21swapper/700:20:267
1654629992928,1cyclictest1712120-21apt-get20:50:226
165462999290,28cyclictest1723475-21apt-get21:10:236
1654624992927,1cyclictest1795786-21apt-get23:20:245
1654624992927,1cyclictest1661219-21apt-get19:20:205
1654624992926,2cyclictest3986377-21systemd-journal19:40:015
1654624992925,3cyclictest0-21swapper/520:05:205
165462499290,28cyclictest0-21swapper/522:10:225
1654619992928,1cyclictest0-21swapper/322:50:233
1654617992925,3cyclictest1750990-21latency_hist22:00:012
165461799290,28cyclictest0-21swapper/223:10:222
165461799290,28cyclictest0-21swapper/219:50:192
165461799290,1cyclictest1717933-21apt-get21:00:202
1654613992927,1cyclictest1828880-21munin-run00:20:021
1654613992927,1cyclictest1792993-21apt-get23:15:191
165461399290,28cyclictest1784702-21apt-get23:00:231
165461399290,28cyclictest0-21swapper/123:55:211
165461399290,28cyclictest0-21swapper/122:35:251
165461399290,28cyclictest0-21swapper/121:05:231
165461399290,28cyclictest0-21swapper/120:55:221
165461399290,28cyclictest0-21swapper/119:50:201
165461399290,28cyclictest0-21swapper/100:25:231
165461099290,28cyclictest0-21swapper/023:15:190
165461099290,28cyclictest0-21swapper/019:45:200
165461099290,1cyclictest0-21swapper/020:40:210
165463499280,28cyclictest0-21swapper/720:15:027
165463499280,27cyclictest0-21swapper/700:10:217
1654629992827,0cyclictest0-21swapper/623:55:216
1654623992827,1cyclictest661-21dbus-daemon00:00:024
1654623992826,1cyclictest1832091-21apt-get00:25:224
165462399280,27cyclictest0-21swapper/423:45:204
165462399280,27cyclictest0-21swapper/422:20:214
165462399280,27cyclictest0-21swapper/419:45:194
1654619992828,0cyclictest0-21swapper/321:25:213
1654619992827,1cyclictest1773619-21apt-get22:40:223
1654619992827,1cyclictest0-21swapper/320:40:023
1654619992827,1cyclictest0-21swapper/300:00:233
165461999280,28cyclictest0-21swapper/321:55:193
165461999280,28cyclictest0-21swapper/320:05:023
165461999280,28cyclictest0-21swapper/300:17:023
165461999280,0cyclictest0-21swapper/322:35:243
165461999280,0cyclictest0-21swapper/319:55:243
1654617992827,1cyclictest0-21swapper/219:10:232
1654617992826,1cyclictest1837619-21apt-get00:35:222
1654613992826,1cyclictest0-21swapper/123:35:221
1654613992826,1cyclictest0-21swapper/123:35:211
165461399280,27cyclictest0-21swapper/120:20:021
165461399280,0cyclictest0-21swapper/121:15:211
1654610992827,1cyclictest0-21swapper/023:50:220
1654610992826,1cyclictest1773161-21latency_hist22:40:010
165461099280,27cyclictest0-21swapper/021:05:230
165461099280,27cyclictest0-21swapper/019:10:230
165461099280,0cyclictest0-21swapper/022:25:190
165461099280,0cyclictest0-21swapper/000:35:210
1654634992727,0cyclictest0-21swapper/723:00:237
1654634992727,0cyclictest0-21swapper/721:10:237
1654634992725,1cyclictest1809892-21apt-get23:45:217
1654634992725,1cyclictest0-21swapper/719:35:017
1654624992727,0cyclictest0-21swapper/521:45:235
1654624992726,1cyclictest0-21swapper/522:25:215
1654624992725,1cyclictest1666750-21apt-get19:30:205
1654624992724,2cyclictest0-21swapper/521:20:015
1654623992727,0cyclictest0-21swapper/419:35:204
1654623992726,0cyclictest1654951-21apt-get19:10:224
1654619992727,0cyclictest0-21swapper/322:45:213
1654619992727,0cyclictest0-21swapper/319:15:213
1654619992727,0cyclictest0-21swapper/300:05:203
1654619992724,2cyclictest1731354-21debian-sa121:25:013
1654617992727,0cyclictest0-21swapper/223:45:022
1654617992727,0cyclictest0-21swapper/223:05:212
1654617992727,0cyclictest0-21swapper/220:00:202
1654617992726,1cyclictest1812655-21apt-get23:50:222
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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