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2025-12-18 - 17:21
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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 rackeslot3.osadl.org (updated Thu Dec 18, 2025 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1876737996662,2cyclictest1880787-21fschecks_count07:20:131
187673799650,63cyclictest0-21swapper/108:26:151
1876737996461,2cyclictest0-21swapper/111:08:411
187673799630,61cyclictest0-21swapper/107:41:021
187673799620,61cyclictest0-21swapper/112:06:511
1876741996155,3cyclictest362409-1kworker/2:1H12:25:002
1876737996145,15cyclictest1928221-21kworker/1:210:15:211
1876737996145,15cyclictest1907220-21kworker/1:008:50:011
1876737996144,16cyclictest1709412-1kworker/1:0H07:29:411
1876737996141,19cyclictest1709412-1kworker/1:0H11:30:001
1876737996044,15cyclictest1951012-21kworker/1:211:15:151
1876737996044,15cyclictest1928221-21kworker/1:209:57:161
1876737996043,16cyclictest1938661-21kworker/1:310:26:161
1876737996039,19cyclictest1709412-1kworker/1:0H08:10:001
1876746995944,3cyclictest3974478-1kworker/3:2H10:15:123
1876737995943,15cyclictest1975041-21kworker/1:012:30:421
1876737995943,15cyclictest1975041-21kworker/1:012:25:001
1876737995943,15cyclictest1962074-21kworker/1:211:50:151
1876737995943,15cyclictest1962074-21kworker/1:211:47:181
1876737995943,15cyclictest1951012-21kworker/1:211:25:001
1876737995943,15cyclictest1951012-21kworker/1:211:12:471
1876737995943,15cyclictest1941741-21kworker/1:110:36:211
1876737995943,15cyclictest1910896-21kworker/1:209:12:161
1876737995943,15cyclictest1899850-21kworker/1:308:21:161
1876737995943,15cyclictest1896159-21kworker/1:208:35:161
1876737995943,15cyclictest1875167-21kworker/1:107:15:261
1876737995943,15cyclictest1709412-1kworker/1:0H09:15:061
1876741995837,3cyclictest362409-1kworker/2:1H09:35:142
1876737995842,15cyclictest1971340-21kworker/1:312:10:151
1876737995842,15cyclictest1927054-21kworker/1:109:50:131
1876737995842,15cyclictest1925074-21kworker/1:309:41:081
1876737995842,15cyclictest1910896-21kworker/1:209:31:101
1876737995840,17cyclictest1893059-21kworker/1:108:14:411
1876737995754,2cyclictest0-21swapper/109:24:541
1876737995746,1cyclictest0-21swapper/111:35:141
1876737995741,15cyclictest1968236-21kworker/1:011:56:461
1876737995741,15cyclictest1910896-21kworker/1:209:05:121
1876737995740,16cyclictest1971340-21kworker/1:312:15:061
1876737995740,16cyclictest1958994-21kworker/1:111:34:471
1876737995740,16cyclictest1946842-21kworker/1:011:00:151
1876737995740,16cyclictest1905483-21kworker/1:308:40:011
1876737995738,17cyclictest1886350-21kworker/1:207:45:161
1876737995738,17cyclictest1886350-21kworker/1:207:45:151
1876737995736,20cyclictest1709412-1kworker/1:0H08:55:561
1876741995651,3cyclictest362409-1kworker/2:1H08:13:422
1876741995640,3cyclictest362409-1kworker/2:1H10:55:122
1876737995640,15cyclictest1975041-21kworker/1:012:35:121
1876737995640,15cyclictest1962074-21kworker/1:211:40:061
1876737995640,15cyclictest1907220-21kworker/1:008:45:131
1876737995640,15cyclictest1893059-21kworker/1:108:00:131
1876737995640,15cyclictest1886350-21kworker/1:207:55:141
1876737995639,16cyclictest1941741-21kworker/1:110:45:061
1876737995639,16cyclictest1941741-21kworker/1:110:44:411
1876737995639,16cyclictest1897940-21kworker/1:008:17:421
1876737995637,18cyclictest1928221-21kworker/1:210:00:001
1876737995551,2cyclictest0-21swapper/109:38:151
1876737995539,15cyclictest1968236-21kworker/1:012:00:001
1876737995538,16cyclictest1928221-21kworker/1:210:10:151
1876741995439,3cyclictest362409-1kworker/2:1H11:25:142
1876737995438,15cyclictest1925074-21kworker/1:309:45:141
1876737995438,15cyclictest1896159-21kworker/1:208:30:501
1876737995438,15cyclictest1889479-21kworker/1:107:50:141
1876737995438,15cyclictest1709412-1kworker/1:0H12:20:151
1876737995437,16cyclictest1928221-21kworker/1:210:20:141
1876737995437,16cyclictest1883264-21kworker/1:107:36:151
1876737995436,17cyclictest1910896-21kworker/1:209:25:131
1876737995435,17cyclictest1946842-21kworker/1:010:55:111
187673799540,53cyclictest0-21swapper/110:50:061
1876732995449,3cyclictest1926007-21kworker/0:210:07:510
1876746995349,2cyclictest1947967-21kworker/3:011:15:063
1876746995349,2cyclictest1947967-21kworker/3:011:04:463
1876746995348,3cyclictest1875218-21kworker/3:109:17:343
1876746995348,3cyclictest1875218-21kworker/3:108:40:523
1876737995336,16cyclictest1938661-21kworker/1:310:31:161
1876746995249,2cyclictest1875218-21kworker/3:108:26:003
1876741995248,2cyclictest362409-1kworker/2:1H09:45:152
1876732995249,2cyclictest1883316-21kworker/0:308:29:150
1876732995248,2cyclictest1883316-21kworker/0:307:34:440
1876746995148,2cyclictest1875218-21kworker/3:109:10:583
1876746995147,3cyclictest3974478-1kworker/3:2H11:50:233
1876746995147,2cyclictest1954147-21kworker/3:211:59:163
1876746995147,2cyclictest1947967-21kworker/3:011:08:523
1876746995146,3cyclictest1954147-21kworker/3:211:29:433
1876746995146,3cyclictest1875218-21kworker/3:107:57:503
1876741995146,3cyclictest362409-1kworker/2:1H08:20:202
1876737995135,15cyclictest1875167-21kworker/1:107:10:311
1876732995148,2cyclictest1899224-21kworker/0:108:20:010
1876732995147,2cyclictest1966697-21kworker/0:012:00:370
1876732995147,2cyclictest1899224-21kworker/0:108:20:060
1876746995047,2cyclictest1875218-21kworker/3:109:24:413
1876746995047,2cyclictest1875218-21kworker/3:108:17:063
1876746995046,3cyclictest1888003-21kworker/3:207:45:383
1876746995046,3cyclictest1888003-21kworker/3:207:45:373
1876746995046,2cyclictest1919879-21kworker/3:209:46:163
1876746995046,2cyclictest1875218-21kworker/3:107:33:413
1876746995045,3cyclictest3974478-1kworker/3:2H07:50:143
1876746995045,3cyclictest1919879-21kworker/3:209:29:163
1876741995044,3cyclictest362409-1kworker/2:1H07:13:402
1876737995033,16cyclictest1883264-21kworker/1:107:31:081
1876746994946,2cyclictest3974478-1kworker/3:2H08:10:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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