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2025-07-02 - 06:51
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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 Wed Jul 02, 2025 00:46:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
174232399382381,1cyclictest1845946-21kworker/7:023:11:027
174231799382380,1cyclictest0-21swapper/623:40:026
174142123810,3sleep60-21swapper/619:05:296
174231799379378,1cyclictest1935476-21kworker/6:022:57:036
174231799375373,1cyclictest0-21swapper/622:50:026
174231799375373,1cyclictest0-21swapper/622:50:026
174231799373372,1cyclictest0-21swapper/622:46:026
174231799372371,1cyclictest0-21swapper/621:58:026
174231799372371,1cyclictest0-21swapper/600:01:036
174231799371370,1cyclictest0-21swapper/622:18:026
174231799370369,1cyclictest0-21swapper/623:31:026
174231799368366,1cyclictest1875636-21kworker/6:322:02:036
174231799367365,1cyclictest1452603-21kworker/6:119:15:026
174231799366365,1cyclictest0-21swapper/622:44:026
174231799366364,1cyclictest1452603-21kworker/6:119:22:026
174231799366364,1cyclictest1452603-21kworker/6:119:10:026
174231799366364,1cyclictest0-21swapper/621:47:026
174231799365364,1cyclictest1776192-21kworker/6:021:00:036
174231799365364,1cyclictest0-21swapper/622:20:026
174231799365364,1cyclictest0-21swapper/621:34:026
174231799365363,1cyclictest1776192-21kworker/6:020:30:026
174231799364363,1cyclictest0-21swapper/622:05:026
174231799364363,1cyclictest0-21swapper/621:22:316
174230999364361,2cyclictest1733113-21kworker/5:200:11:025
174231799363361,1cyclictest0-21swapper/621:54:016
174231799362361,1cyclictest0-21swapper/623:23:026
174231799362361,1cyclictest0-21swapper/619:40:016
174231799361360,1cyclictest0-21swapper/621:10:026
174231799361359,2cyclictest1776192-21kworker/6:021:17:026
174231799361359,1cyclictest1776192-21kworker/6:020:16:026
174231799361359,1cyclictest0-21swapper/621:26:016
174231799361359,1cyclictest0-21swapper/621:26:016
174231799361358,2cyclictest1875636-21kworker/6:322:33:036
174231799359358,1cyclictest1875636-21kworker/6:322:36:026
174231799359358,1cyclictest0-21swapper/620:13:026
174231799359358,1cyclictest0-21swapper/619:30:016
174231799358357,1cyclictest1875636-21kworker/6:322:26:016
174231799358357,1cyclictest0-21swapper/620:02:016
174231799358357,1cyclictest0-21swapper/600:32:026
174231799358357,1cyclictest0-21swapper/600:12:026
174231799356355,1cyclictest1776192-21kworker/6:020:08:026
174231799356355,1cyclictest1776192-21kworker/6:020:08:026
174231799356355,1cyclictest0-21swapper/623:52:016
174231799356355,1cyclictest0-21swapper/620:58:026
174231799356355,1cyclictest0-21swapper/620:39:026
174231799356354,1cyclictest0-21swapper/621:08:036
174231799355354,1cyclictest0-21swapper/620:43:026
174231799354353,1cyclictest0-21swapper/623:27:036
174231799354353,1cyclictest0-21swapper/621:36:036
174231799354353,1cyclictest0-21swapper/600:37:176
174227499352350,1cyclictest1831214-21kworker/1:222:03:021
174231799351350,1cyclictest0-21swapper/622:12:016
174231799351348,2cyclictest1979771-21kworker/6:123:45:576
174231799347346,1cyclictest1935476-21kworker/6:023:04:016
174231799343342,1cyclictest1935476-21kworker/6:023:08:026
174232399336334,1cyclictest1845946-21kworker/7:000:11:027
174230199332330,1cyclictest0-21swapper/400:17:034
174230199331330,1cyclictest1770169-21kworker/4:020:11:024
174230199330329,1cyclictest1849487-21kworker/4:022:38:034
174226999328327,1cyclictest0-21swapper/020:11:020
174226999328326,1cyclictest1998469-21kworker/0:200:17:020
174226999327326,1cyclictest0-21swapper/022:38:020
174230199326325,1cyclictest0-21swapper/422:22:024
174230199325324,1cyclictest1833344-21kworker/4:121:37:024
174230199323322,1cyclictest1849487-21kworker/4:021:52:024
174226999323321,1cyclictest1815317-21kworker/0:122:22:020
174226999322320,1cyclictest0-21swapper/021:37:020
174230199321320,1cyclictest1833344-21kworker/4:121:30:024
174230199320318,1cyclictest2041107-21kworker/4:000:24:034
174226999320319,1cyclictest0-21swapper/021:52:020
174230199318317,1cyclictest1770169-21kworker/4:020:52:024
174230199317316,1cyclictest1770169-21kworker/4:020:38:024
174230199317315,1cyclictest2041107-21kworker/4:000:28:024
174230199317315,1cyclictest1849487-21kworker/4:023:07:034
174226999317316,1cyclictest0-21swapper/021:30:020
174226999317315,1cyclictest0-21swapper/000:24:020
174230199316315,1cyclictest0-21swapper/420:20:024
174230199315314,1cyclictest1770169-21kworker/4:021:14:034
174230199315314,1cyclictest0-21swapper/400:31:024
174230199315313,1cyclictest1991327-21kworker/4:123:49:024
174230199315313,1cyclictest1849487-21kworker/4:022:17:024
174230199314312,1cyclictest1770169-21kworker/4:020:07:024
174230199314312,1cyclictest1770169-21kworker/4:020:07:024
174226999314313,1cyclictest0-21swapper/020:52:020
174226999314313,1cyclictest0-21swapper/020:38:030
174230199313312,1cyclictest0-21swapper/419:58:034
174230199313310,2cyclictest0-21swapper/421:15:024
174227499313311,1cyclictest0-21swapper/100:11:031
174226999313312,1cyclictest0-21swapper/000:28:020
174226999313310,2cyclictest1998469-21kworker/0:200:31:030
174226999312311,1cyclictest2002947-21kworker/0:020:20:030
174226999312311,1cyclictest0-21swapper/023:07:020
174226999312310,1cyclictest0-21swapper/023:49:020
174230199311310,1cyclictest0-21swapper/419:20:024
174226999311310,1cyclictest0-21swapper/021:14:020
174230999310308,1cyclictest1733113-21kworker/5:222:53:035
174230999310308,1cyclictest1733113-21kworker/5:222:53:025
174230199310309,1cyclictest1736123-21kworker/4:119:37:024
174230199310309,1cyclictest1736123-21kworker/4:119:17:034
174226999310309,1cyclictest0-21swapper/022:17:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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