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2026-08-01 - 07:46
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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
Characteristics of the 100 highest latencies:
System rackcslot6.osadl.org (updated Sat Aug 01, 2026 00:46:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
168332399382381,1cyclictest1867616-21kworker/5:100:20:025
168333799380377,2cyclictest1821738-21kworker/7:123:09:027
168332399373372,1cyclictest1802191-21kworker/5:022:44:025
168328399373372,1cyclictest0-21swapper/000:27:020
168333799372370,1cyclictest0-21swapper/722:52:027
168332399372371,1cyclictest1773819-21kworker/5:221:42:015
168332399372370,1cyclictest0-21swapper/500:11:025
168333799371370,1cyclictest0-21swapper/722:40:027
168332399371370,1cyclictest1867616-21kworker/5:123:39:025
168333799370369,1cyclictest1821738-21kworker/7:122:17:017
168333799370369,1cyclictest1741280-21kworker/7:121:14:027
168333799370368,1cyclictest1821738-21kworker/7:122:25:027
168333799369368,1cyclictest1821738-21kworker/7:123:02:027
168333799369368,1cyclictest0-21swapper/700:14:027
168333799369367,1cyclictest0-21swapper/723:12:017
168332399369368,1cyclictest0-21swapper/523:21:015
168328399369368,1cyclictest1956425-21kworker/0:100:23:020
168333799368367,1cyclictest1821738-21kworker/7:123:55:027
168333799368367,1cyclictest1821738-21kworker/7:123:33:027
168333799368367,1cyclictest0-21swapper/722:00:027
168332399368367,1cyclictest0-21swapper/521:23:025
168332399368367,1cyclictest0-21swapper/500:39:025
168333799367366,1cyclictest1809225-21kworker/7:222:07:027
168333799367366,1cyclictest1809225-21kworker/7:222:07:027
168333799367366,1cyclictest1792528-21kworker/7:021:56:027
168333799367366,1cyclictest1741280-21kworker/7:121:30:027
168333799367366,1cyclictest0-21swapper/723:51:027
168332399367366,1cyclictest1867616-21kworker/5:100:05:025
168332399367366,1cyclictest0-21swapper/522:51:025
168332399367364,1cyclictest0-21swapper/500:00:025
168328399367366,1cyclictest1884657-21kworker/0:223:44:020
168333799366365,1cyclictest1708200-21kworker/7:019:55:027
168333799366364,1cyclictest1741280-21kworker/7:121:00:027
168332399366365,1cyclictest1867616-21kworker/5:123:16:025
168328399366365,1cyclictest0-21swapper/022:01:020
168333799365364,1cyclictest0-21swapper/720:50:027
168333799365363,1cyclictest0-21swapper/700:00:027
168332399365364,1cyclictest0-21swapper/520:02:025
168333799364362,1cyclictest1821738-21kworker/7:123:29:027
168333799363362,1cyclictest1821738-21kworker/7:123:23:027
168333799363362,1cyclictest1756296-21diskmemload22:34:027
168333799363362,1cyclictest1708200-21kworker/7:019:50:027
168333799363362,1cyclictest0-21swapper/720:33:027
168333799363362,1cyclictest0-21swapper/720:25:027
168332399363362,1cyclictest1802191-21kworker/5:022:19:025
168329199363361,2cyclictest0-21swapper/100:20:011
168333799362361,1cyclictest1965889-21kworker/7:200:28:027
168333799362361,1cyclictest0-21swapper/722:55:027
168333799362361,1cyclictest0-21swapper/722:38:027
168333799362361,1cyclictest0-21swapper/720:09:027
168332399362360,1cyclictest1867616-21kworker/5:123:13:025
168332399362360,1cyclictest0-21swapper/521:09:025
168333799361360,1cyclictest1741280-21kworker/7:121:28:027
168333799361360,1cyclictest1708200-21kworker/7:020:36:027
168333799361360,1cyclictest0-21swapper/720:42:027
168333799361360,1cyclictest0-21swapper/720:42:027
168332399361360,1cyclictest0-21swapper/522:35:025
168332399361360,1cyclictest0-21swapper/520:16:025
168332399361359,1cyclictest1867616-21kworker/5:123:59:015
168328399361360,1cyclictest0-21swapper/023:32:020
168328399361360,1cyclictest0-21swapper/021:50:020
168328399361360,1cyclictest0-21swapper/021:19:020
168328399361359,1cyclictest0-21swapper/021:11:020
168333799360359,1cyclictest1741280-21kworker/7:121:17:027
168333799360359,1cyclictest0-21swapper/723:15:027
168332399360359,1cyclictest1802191-21kworker/5:022:29:025
168332399360359,1cyclictest0-21swapper/521:35:025
168328399360359,1cyclictest0-21swapper/023:19:020
168328399360358,1cyclictest0-21swapper/022:49:020
168333799359358,1cyclictest0-21swapper/700:38:027
168333799359358,1cyclictest0-21swapper/700:34:027
168333799359357,1cyclictest0-21swapper/721:49:027
168332399359358,1cyclictest1773819-21kworker/5:221:25:025
168332399359358,1cyclictest0-21swapper/522:59:025
168332399359358,1cyclictest0-21swapper/522:31:025
168332399359357,1cyclictest0-21swapper/519:15:025
168328399359358,1cyclictest1747296-21kworker/0:021:58:020
168328399359358,1cyclictest0-21swapper/022:18:020
168328399359357,1cyclictest1884657-21kworker/0:223:11:020
168333799358357,1cyclictest2485148-21kworker/7:219:25:027
168333799358357,1cyclictest1821738-21kworker/7:122:11:027
168332399358357,1cyclictest1867616-21kworker/5:123:03:025
168332399358357,1cyclictest0-21swapper/521:10:025
168328399358357,1cyclictest0-21swapper/023:48:020
168328399358357,1cyclictest0-21swapper/022:21:020
168328399358357,1cyclictest0-21swapper/000:35:020
168328399358356,1cyclictest1747296-21kworker/0:021:22:010
168328399358356,1cyclictest1726244-21kworker/0:120:21:010
168328399357356,1cyclictest1726244-21kworker/0:120:38:020
168328399357356,1cyclictest0-21swapper/020:45:010
168167923570,2sleep60-21swapper/619:05:206
168333799356355,1cyclictest1741280-21kworker/7:120:55:027
168333799356355,1cyclictest0-21swapper/720:10:027
168332399356354,1cyclictest0-21swapper/520:30:025
168328399356354,1cyclictest0-21swapper/023:25:010
168333799355354,1cyclictest0-21swapper/719:17:027
168333799355353,1cyclictest0-21swapper/721:06:027
168332399355354,1cyclictest0-21swapper/520:39:025
168328399355354,1cyclictest0-21swapper/019:59:020
168328399355354,1cyclictest0-21swapper/019:54:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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