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2026-06-22 - 11:03
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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 rack0slot2.osadl.org (updated Mon Jun 22, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
159404326049,7sleep40-21swapper/419:05:374
159402625039,7sleep50-21swapper/519:05:225
15942072432,36sleep70-21swapper/719:07:567
1594605994138,2cyclictest2271570-21kworker/u16:3+events_unbound00:34:436
1594605993836,2cyclictest2173724-21kworker/u16:2+events_unbound00:04:436
1594602993836,2cyclictest2185883-21kworker/u16:3+events_unbound23:46:565
1594602993836,2cyclictest2027551-21kworker/u16:4+events_unbound23:01:325
1594602993735,2cyclictest2271570-21kworker/u16:3+events_unbound00:28:205
1594602993735,2cyclictest1942249-21kworker/u16:1+events_unbound22:11:075
1594602993634,2cyclictest2222739-21kworker/u16:4+events_unbound00:13:485
1594602993634,2cyclictest2173724-21kworker/u16:2+events_unbound00:21:005
1594602993634,2cyclictest2027551-21kworker/u16:4+events_unbound23:11:085
1594602993634,2cyclictest2027551-21kworker/u16:4+events_unbound22:54:045
1594602993634,2cyclictest2027551-21kworker/u16:4+events_unbound22:31:365
1594602993634,2cyclictest1822432-21kworker/u16:0+events_unbound21:24:165
1594605993533,2cyclictest2027551-21kworker/u16:4+flush-8:022:45:076
1594602993533,2cyclictest2173724-21kworker/u16:2+events_unbound23:58:475
1594602993533,2cyclictest2173724-21kworker/u16:2+events_unbound00:39:115
1594602993533,2cyclictest1991019-21kworker/u16:0+events_unbound22:26:045
1594605993432,2cyclictest2027551-21kworker/u16:4+events_unbound23:15:366
1594605993432,2cyclictest1844387-21kworker/u16:4+events_unbound21:41:116
1594605993432,2cyclictest1811992-21kworker/u16:3+events_unbound21:51:576
1594602993432,2cyclictest2173724-21kworker/u16:2+events_unbound00:08:325
1594602993432,2cyclictest2027551-21kworker/u16:4+events_unbound23:25:325
1594602993432,2cyclictest2027551-21kworker/u16:4+events_unbound23:16:395
1594602993432,2cyclictest1991019-21kworker/u16:0+flush-8:022:58:365
1594602993432,2cyclictest1942249-21kworker/u16:1+flush-8:022:08:365
1594602993432,2cyclictest1904770-21kworker/u16:0+events_unbound21:47:455
1594602993432,2cyclictest1844387-21kworker/u16:4+events_unbound21:31:165
1594602993432,2cyclictest1811992-21kworker/u16:3+flush-8:022:01:565
1594602993432,2cyclictest1521230-21kworker/u16:4+events_unbound19:10:205
1594605993331,2cyclictest2271570-21kworker/u16:3+events_unbound00:23:526
1594605993331,2cyclictest2051929-21kworker/u16:2+events_unbound22:44:086
1594605993331,2cyclictest2051929-21kworker/u16:2+events_unbound22:44:086
1594605993331,2cyclictest2003225-21kworker/u16:2+events_unbound22:23:516
1594602993331,2cyclictest2247982-21kworker/u16:1+events_unbound00:02:075
1594602993331,2cyclictest2173724-21kworker/u16:2+events_unbound23:39:405
1594602993331,2cyclictest2124967-21kworker/u16:0+events_unbound23:42:195
1594602993331,2cyclictest2027551-21kworker/u16:4+flush-8:023:09:315
1594602993331,2cyclictest1991019-21kworker/u16:0+flush-8:022:48:325
1594602993331,2cyclictest1942249-21kworker/u16:1+events_unbound22:37:205
1594602993331,2cyclictest1942249-21kworker/u16:1+events_unbound22:37:205
1594602993331,2cyclictest1942249-21kworker/u16:1+events_unbound21:56:135
1594602993331,2cyclictest1877555-21kworker/u16:2+flush-8:021:44:115
1594605993230,2cyclictest2285112-21kworker/u16:0+events_unbound00:15:126
1594605993230,2cyclictest2185883-21kworker/u16:3+events_unbound23:55:126
1594605993230,2cyclictest2185883-21kworker/u16:3+events_unbound23:47:006
1594605993230,2cyclictest1942249-21kworker/u16:1+events_unbound22:35:526
1594605993230,2cyclictest1942249-21kworker/u16:1+events_unbound22:35:526
1594605993230,2cyclictest1904770-21kworker/u16:0+events_unbound21:55:016
1594605993230,2cyclictest1714053-21kworker/u16:1+events_unbound21:21:526
1594602993230,2cyclictest2173724-21kworker/u16:2+events_unbound23:51:285
1594602993230,2cyclictest2027551-21kworker/u16:4+events_unbound23:34:395
1594602993230,2cyclictest2003225-21kworker/u16:2+flush-8:022:21:445
1594602993230,2cyclictest1991019-21kworker/u16:0+flush-8:022:43:555
1594602993230,2cyclictest1991019-21kworker/u16:0+flush-8:022:43:555
1594602993230,2cyclictest1877555-21kworker/u16:2+events_unbound21:26:085
1594605993129,2cyclictest2185883-21kworker/u16:3+events_unbound23:52:326
1594605993129,2cyclictest2173724-21kworker/u16:2+events_unbound00:01:476
1594605993129,2cyclictest1811992-21kworker/u16:3+events_unbound21:14:286
1594602993129,2cyclictest2285112-21kworker/u16:0+events_unbound00:31:265
1594602993129,2cyclictest2173724-21kworker/u16:2+events_unbound00:18:045
1594602993129,2cyclictest2027551-21kworker/u16:4+events_unbound23:24:205
1594602993129,2cyclictest1877555-21kworker/u16:2+events_unbound21:37:415
1594602993129,2cyclictest1844387-21kworker/u16:4+events_unbound21:16:255
159408523121,7sleep60-21swapper/619:06:116
1594605993028,2cyclictest2285112-21kworker/u16:0+events_unbound00:33:526
1594605993028,2cyclictest2285112-21kworker/u16:0+events_unbound00:28:046
1594605993028,2cyclictest2173724-21kworker/u16:2+events_unbound23:37:086
1594602993028,2cyclictest1811992-21kworker/u16:3+events_unbound21:50:245
1594605992927,2cyclictest2185883-21kworker/u16:3+events_unbound23:41:166
1594605992927,2cyclictest1942249-21kworker/u16:1+flush-8:022:28:446
1594605992927,2cyclictest1942249-21kworker/u16:1+flush-8:022:14:446
1594605992927,2cyclictest1942249-21kworker/u16:1+events_unbound22:32:326
1594605992927,2cyclictest1844387-21kworker/u16:4+events_unbound21:26:316
1594605992927,2cyclictest1811992-21kworker/u16:3+flush-8:021:35:156
1594605992926,3cyclictest1991019-21kworker/u16:0+events_unbound22:53:316
1594602992927,2cyclictest1942249-21kworker/u16:1+events_unbound22:19:235
1594602992927,2cyclictest1714053-21kworker/u16:1+flush-8:020:34:545
1594602992927,2cyclictest1646916-21kworker/u16:2+flush-8:020:40:075
1594605992826,2cyclictest2247982-21kworker/u16:1+events_unbound00:11:046
1594605992826,2cyclictest2100639-21kworker/u16:1+events_unbound23:04:516
20618932270,1chrt2061891-21ssh22:41:027
20618932270,1chrt2061891-21ssh22:41:027
1594605992725,2cyclictest2027551-21kworker/u16:4+events_unbound23:27:396
1594605992725,2cyclictest1844387-21kworker/u16:4+events_unbound22:01:126
1594605992725,2cyclictest1844387-21kworker/u16:4+events_unbound21:18:326
1594605992725,2cyclictest1714053-21kworker/u16:1+flush-8:020:29:576
1594605992725,2cyclictest1714053-21kworker/u16:1+flush-8:020:29:576
1594605992725,2cyclictest1565386-21kworker/u16:3+events_unbound19:10:126
1594605992724,2cyclictest1665457-21kworker/u16:3+events_unbound19:59:536
1594605992624,2cyclictest2027551-21kworker/u16:4+events_unbound23:33:396
1594605992624,2cyclictest1811992-21kworker/u16:3+flush-8:022:13:126
1594602992624,2cyclictest1714053-21kworker/u16:1+flush-8:020:15:105
1594605992523,2cyclictest2100639-21kworker/u16:1+events_unbound23:23:006
1594605992523,2cyclictest1991019-21kworker/u16:0+events_unbound22:58:286
1594605992523,2cyclictest1811992-21kworker/u16:3+flush-8:021:45:036
1594605992523,2cyclictest1521230-21kworker/u16:4+events_unbound19:40:016
1594602992523,2cyclictest1646916-21kworker/u16:2+events_unbound20:03:535
1594602992523,2cyclictest1604186-21kworker/u16:0+events_unbound20:10:125
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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