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2026-05-17 - 01:27
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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 highest latencies:
System rack0slot2.osadl.org (updated Sun May 17, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25485002970,1sleep60-21swapper/600:22:316
184249424635,7sleep40-21swapper/419:07:454
1842788994543,2cyclictest2488194-21kworker/u16:3+events_unbound00:28:205
1842797994140,0cyclictest0-21swapper/723:28:067
18424322415,31sleep70-21swapper/719:06:527
628089400,33rtkit-daemon0-21swapper/519:05:355
1842797994034,5cyclictest635-21systemd-journal00:37:517
1842786994038,2cyclictest2473133-21kworker/u16:2+events_unbound23:57:494
1842786994038,2cyclictest2473133-21kworker/u16:2+events_unbound23:57:494
1842788993836,2cyclictest2488194-21kworker/u16:3+events_unbound00:14:495
1842788993836,2cyclictest2377064-21kworker/u16:1+events_unbound00:26:225
1842788993836,2cyclictest2149768-21kworker/u16:4+events_unbound22:59:505
1842788993836,2cyclictest2149768-21kworker/u16:4+events_unbound21:44:145
1842788993836,2cyclictest2125609-21kworker/u16:3+events_unbound21:29:585
1842797993735,1cyclictest0-21swapper/720:28:057
1842797993735,1cyclictest0-21swapper/720:28:057
1842788993735,2cyclictest2377064-21kworker/u16:1+events_unbound00:35:495
1842788993735,2cyclictest2377064-21kworker/u16:1+events_unbound00:21:495
1842788993735,2cyclictest2125609-21kworker/u16:3+events_unbound22:30:535
1842788993734,2cyclictest2318886-21kworker/u16:2+flush-8:023:37:575
1842788993634,2cyclictest2427661-21kworker/u16:4+flush-8:023:36:335
1842788993634,2cyclictest2377064-21kworker/u16:1+events_unbound23:54:215
1842788993634,2cyclictest2377064-21kworker/u16:1+events_unbound23:54:215
1842788993634,2cyclictest2377064-21kworker/u16:1+events_unbound23:12:345
1842788993634,2cyclictest2377064-21kworker/u16:1+events_unbound00:00:055
1842788993634,2cyclictest2377064-21kworker/u16:1+events_unbound00:00:055
1842788993634,2cyclictest2331407-21kworker/u16:0+events_unbound23:04:105
1842788993634,2cyclictest2222459-21kworker/u16:1+flush-8:022:53:455
1842788993634,2cyclictest2222459-21kworker/u16:1+events_unbound22:52:345
1842788993634,2cyclictest2222459-21kworker/u16:1+events_unbound22:36:335
1842788993634,2cyclictest2173657-21kworker/u16:0+flush-8:022:12:465
1842788993634,2cyclictest2149768-21kworker/u16:4+events_unbound22:02:255
1842788993634,2cyclictest1981270-21kworker/u16:0+events_unbound21:25:135
1842788993634,2cyclictest1971456-21kworker/u16:3+flush-8:020:33:195
1842788993533,2cyclictest2377064-21kworker/u16:1+events_unbound23:49:055
1842788993533,2cyclictest2222459-21kworker/u16:1+events_unbound22:21:575
1842788993533,2cyclictest2149768-21kworker/u16:4+events_unbound21:55:465
1842788993533,2cyclictest2125609-21kworker/u16:3+events_unbound22:47:295
1842788993533,2cyclictest2057527-21kworker/u16:3+events_unbound21:19:465
1842786993533,2cyclictest2415558-21kworker/u16:3+events_unbound23:34:574
1842786993533,2cyclictest2377064-21kworker/u16:1+events_unbound23:12:054
1842786993533,2cyclictest2222459-21kworker/u16:1+events_unbound22:30:294
1842786993533,2cyclictest2057527-21kworker/u16:3+events_unbound21:16:414
1842797993433,0cyclictest0-21swapper/720:08:177
1842788993432,2cyclictest2377064-21kworker/u16:1+events_unbound00:06:305
1842788993432,2cyclictest2331407-21kworker/u16:0+flush-8:023:24:575
1842788993432,2cyclictest2331407-21kworker/u16:0+events_unbound23:29:425
1842788993432,2cyclictest2318886-21kworker/u16:2+events_unbound23:13:295
1842788993432,2cyclictest2318886-21kworker/u16:2+events_unbound23:13:295
1842788993432,2cyclictest2125609-21kworker/u16:3+events_unbound22:25:465
1842786993432,2cyclictest1981270-21kworker/u16:0+events_unbound21:23:494
184248723424,7sleep60-21swapper/619:07:396
1842797993332,0cyclictest0-21swapper/723:38:057
1842797993332,0cyclictest0-21swapper/719:33:067
1842788993331,2cyclictest2318886-21kworker/u16:2+flush-8:023:20:415
1842788993331,2cyclictest2125609-21kworker/u16:3+events_unbound22:15:225
1842788993331,2cyclictest2125609-21kworker/u16:3+events_unbound21:39:255
1842788993331,2cyclictest2057527-21kworker/u16:3+events_unbound21:15:345
1842788993331,2cyclictest1864644-21kworker/u16:0+flush-8:020:02:525
1842786993331,2cyclictest2331407-21kworker/u16:0+events_unbound23:15:574
1842786993331,2cyclictest2331407-21kworker/u16:0+events_unbound23:15:574
1842786993331,2cyclictest2149768-21kworker/u16:4+events_unbound22:46:094
1842797993231,0cyclictest0-21swapper/722:08:057
1842788993230,2cyclictest2473133-21kworker/u16:2+events_unbound00:11:495
1842788993230,2cyclictest2452278-21kworker/u16:0+events_unbound23:46:345
1842788993230,2cyclictest2222459-21kworker/u16:1+events_unbound22:41:105
1842788993230,2cyclictest2173657-21kworker/u16:0+events_unbound21:52:255
1842788993230,2cyclictest2173657-21kworker/u16:0+events_unbound21:52:255
1842786993230,2cyclictest2452278-21kworker/u16:0+events_unbound23:51:224
1842786993230,2cyclictest2377064-21kworker/u16:1+flush-8:023:41:204
1842786993230,2cyclictest2029196-21kworker/u16:2+events_unbound21:19:294
1842786993230,2cyclictest1981270-21kworker/u16:0+events_unbound21:02:464
1842786993129,2cyclictest2125609-21kworker/u16:3+events_unbound22:05:054
1842786993129,2cyclictest1864644-21kworker/u16:0+events_unbound20:05:154
1842788993028,2cyclictest2173657-21kworker/u16:0+events_unbound22:05:225
1842788993028,2cyclictest1904020-21kworker/u16:1+events_unbound19:47:555
1842786993028,2cyclictest2473133-21kworker/u16:2+events_unbound00:14:084
1842786993028,2cyclictest2377064-21kworker/u16:1+events_unbound23:25:404
1842786993028,2cyclictest2377064-21kworker/u16:1+events_unbound00:35:224
1842786993028,2cyclictest2331407-21kworker/u16:0+flush-8:023:04:494
1842786993028,2cyclictest2173657-21kworker/u16:0+flush-8:021:53:284
1842786993028,2cyclictest2125609-21kworker/u16:3+events_unbound21:45:194
1842797992927,1cyclictest2392571-21sh23:18:067
1842788992927,2cyclictest1981270-21kworker/u16:0+flush-8:021:01:465
1842786992927,2cyclictest380635-21kworker/u16:4+events_unbound19:40:474
1842786992927,2cyclictest2377064-21kworker/u16:1+events_unbound00:08:304
1842786992927,2cyclictest2173657-21kworker/u16:0+events_unbound21:50:394
1842786992927,2cyclictest2173657-21kworker/u16:0+events_unbound21:50:394
1842786992927,2cyclictest2149768-21kworker/u16:4+events_unbound21:59:194
1842786992927,2cyclictest1813918-21kworker/u16:2+events_unbound19:19:474
1842797992827,0cyclictest0-21swapper/723:08:187
1842788992826,2cyclictest1864644-21kworker/u16:0+events_unbound20:07:025
1842788992826,2cyclictest1813918-21kworker/u16:2+events_unbound19:16:475
1842786992826,2cyclictest2488194-21kworker/u16:3+flush-8:000:28:344
1842786992826,2cyclictest2473133-21kworker/u16:2+flush-8:023:57:554
1842786992826,2cyclictest2473133-21kworker/u16:2+flush-8:023:57:554
1842786992826,2cyclictest2377064-21kworker/u16:1+events_unbound00:04:554
1842786992826,2cyclictest2331407-21kworker/u16:0+flush-8:023:20:204
1842786992826,2cyclictest2112747-21kworker/u16:1+events_unbound21:36:274
1842786992826,2cyclictest1904020-21kworker/u16:1+events_unbound19:47:144
1842786992826,2cyclictest1864644-21kworker/u16:0+flush-8:019:35:534
1842786992826,2cyclictest1864644-21kworker/u16:0+events_unbound19:51:134
1842786992825,2cyclictest2149768-21kworker/u16:4+events_unbound22:37:594
1842797992726,0cyclictest0-21swapper/722:18:087
1842788992725,2cyclictest380635-21kworker/u16:4+events_unbound19:55:465
1842788992725,2cyclictest2112747-21kworker/u16:1+flush-8:021:35:135
1842788992725,2cyclictest2029196-21kworker/u16:2+events_unbound21:09:415
1842788992725,2cyclictest2029196-21kworker/u16:2+events_unbound21:09:415
1842788992725,2cyclictest2029196-21kworker/u16:2+events_unbound20:51:095
1842786992725,2cyclictest2473133-21kworker/u16:2+events_unbound00:25:534
1842786992725,2cyclictest2173657-21kworker/u16:0+events_unbound22:08:574
1842786992725,2cyclictest2149768-21kworker/u16:4+flush-8:023:01:244
1842786992725,2cyclictest2125609-21kworker/u16:3+events_unbound22:16:054
1842786992725,2cyclictest1981270-21kworker/u16:0+events_unbound20:30:064
1842786992725,2cyclictest1981270-21kworker/u16:0+events_unbound20:30:064
1842786992725,2cyclictest1961926-21kworker/u16:1+events_unbound20:41:054
1842786992725,2cyclictest1961926-21kworker/u16:1+events_unbound20:21:464
1842786992725,2cyclictest1961926-21kworker/u16:1+events_unbound20:12:464
1842786992725,2cyclictest1128771-21kworker/u16:3+events_unbound19:09:534
22452582260,1chrt2245256-21ssh22:16:107
1842797992625,0cyclictest0-21swapper/722:38:177
1842788992624,2cyclictest2067537-21kworker/u16:1+events_unbound21:07:065
1842788992624,2cyclictest1813918-21kworker/u16:2+events_unbound19:12:455
1842786992624,2cyclictest380635-21kworker/u16:4+events_unbound20:01:054
1842786992624,2cyclictest2222459-21kworker/u16:1+events_unbound22:54:084
1842786992624,2cyclictest2149768-21kworker/u16:4+events_unbound22:49:154
1842786992624,2cyclictest2029196-21kworker/u16:2+events_unbound21:29:234
1842786992624,2cyclictest1971456-21kworker/u16:3+flush-8:020:17:134
1842786992624,2cyclictest1961926-21kworker/u16:1+events_unbound20:52:504
1842797992523,1cyclictest2569559-21sed00:28:147
1842788992523,2cyclictest1981270-21kworker/u16:0+events_unbound20:41:015
1842786992523,2cyclictest2377064-21kworker/u16:1+flush-8:000:21:474
1842786992523,2cyclictest2331407-21kworker/u16:0+events_unbound23:29:074
1842786992523,2cyclictest2222459-21kworker/u16:1+events_unbound22:33:434
1842786992523,2cyclictest2149768-21kworker/u16:4+events_unbound22:17:594
1842786992523,2cyclictest2029196-21kworker/u16:2+events_unbound21:10:474
1842786992523,2cyclictest2029196-21kworker/u16:2+events_unbound21:10:474
1842786992523,2cyclictest1961926-21kworker/u16:1+flush-8:020:33:064
1842797992423,0cyclictest0-21swapper/722:48:207
1842797992423,0cyclictest0-21swapper/719:08:157
1842788992422,2cyclictest1971456-21kworker/u16:3+events_unbound20:16:455
1842786992422,2cyclictest2222459-21kworker/u16:1+flush-8:022:23:324
1842786992422,2cyclictest2149768-21kworker/u16:4+events_unbound21:39:314
1842786992422,2cyclictest1981270-21kworker/u16:0+events_unbound20:55:214
1842786992422,2cyclictest1864644-21kworker/u16:0+events_unbound19:13:204
20666012230,1chrt2066603-21timerwakeupswit20:58:207
1842797992322,0cyclictest0-21swapper/722:53:217
1842797992322,0cyclictest0-21swapper/719:23:087
1842797992321,1cyclictest2218817-21strings22:03:147
1842797992321,1cyclictest0-21swapper/721:28:097
1842797992318,4cyclictest2488150-21latency_hist23:57:517
1842797992318,4cyclictest2488150-21latency_hist23:57:517
1842788992321,2cyclictest380635-21kworker/u16:4+flush-8:019:38:165
1842788992321,2cyclictest1981270-21kworker/u16:0+flush-8:020:25:455
1842786992321,2cyclictest2452278-21kworker/u16:0+events_unbound23:44:474
1842797992221,0cyclictest0-21swapper/721:43:147
1842797992220,1cyclictest0-21swapper/700:13:137
1842788992220,2cyclictest380635-21kworker/u16:4+events_unbound19:23:185
1842788992220,2cyclictest1981270-21kworker/u16:0+events_unbound20:21:015
1842788992220,2cyclictest1813918-21kworker/u16:2+flush-8:019:18:455
1842786992220,2cyclictest380635-21kworker/u16:4+events_unbound19:54:054
1842786992220,2cyclictest2029196-21kworker/u16:2+events_unbound21:07:494
1842797992120,0cyclictest0-21swapper/719:18:097
1842797992120,0cyclictest0-21swapper/700:03:057
1842797992119,1cyclictest2497212-21cut23:58:167
1842797992119,1cyclictest2497212-21cut23:58:167
184279299210,16cyclictest2359918-21cut23:03:106
1842786992119,2cyclictest1961926-21kworker/u16:1+events_unbound20:27:514
1842786992119,2cyclictest1813918-21kworker/u16:2+events_unbound19:24:184
1842797992019,0cyclictest0-21swapper/720:43:067
1842797992018,1cyclictest2521419-21ssh00:08:167
1842788992018,2cyclictest1981270-21kworker/u16:0+events_unbound20:57:185
1842786992018,2cyclictest1961926-21kworker/u16:1+events_unbound20:45:384
1842788991917,2cyclictest380635-21kworker/u16:4+events_unbound19:47:515
1842788991917,2cyclictest1981270-21kworker/u16:0+events_unbound20:29:155
1842788991917,2cyclictest1981270-21kworker/u16:0+events_unbound20:29:155
1842788991917,2cyclictest1864644-21kworker/u16:0+events_unbound19:29:145
1842797991817,0cyclictest0-21swapper/723:26:527
1842797991817,0cyclictest0-21swapper/722:23:077
1842797991816,1cyclictest2439097-21ssh23:36:427
1842797991816,1cyclictest2015010-21kthreadcore20:33:107
1842797991816,1cyclictest0-21swapper/720:48:117
1842797991815,2cyclictest1234-21snmpd21:53:437
184279299180,14cyclictest0-21swapper/621:43:326
1842788991816,2cyclictest1961926-21kworker/u16:1+events_unbound20:44:015
1842788991816,2cyclictest1961926-21kworker/u16:1+events_unbound20:08:545
1842788991816,2cyclictest1864644-21kworker/u16:0+flush-8:019:34:545
1842797991716,0cyclictest0-21swapper/721:39:037
1842797991716,0cyclictest0-21swapper/700:21:067
1842797991715,1cyclictest2474936-21ssh23:50:467
1842797991715,1cyclictest2183392-21ssh21:48:427
1842797991715,1cyclictest2183392-21ssh21:48:427
1842797991713,3cyclictest2457310-21ssh23:43:117
184279299170,16cyclictest2046778-21sed20:48:126
184279799167,8cyclictest6895-21gmain20:03:177
1842797991615,0cyclictest0-21swapper/723:13:587
1842797991615,0cyclictest0-21swapper/723:13:587
1842797991613,2cyclictest2208878-21ssh22:01:027
1842797991611,4cyclictest2149353-21latency_hist21:37:527
184279799160,14cyclictest1234-21snmpd21:15:067
184279799160,14cyclictest0-21swapper/721:03:177
184279299167,8cyclictest2380557-21cat23:13:086
184279299167,8cyclictest2380557-21cat23:13:086
184279299162,8cyclictest2521356-21ntp_kernel_pll_00:08:156
184279299160,15cyclictest0-21swapper/600:13:106
1842786991614,2cyclictest1864644-21kworker/u16:0+events_unbound19:31:344
1842797991514,0cyclictest0-21swapper/721:25:017
1842797991514,0cyclictest0-21swapper/721:18:117
1842797991513,1cyclictest0-21swapper/722:43:097
184279299157,6cyclictest86-21ksoftirqd/623:35:236
184279299150,4cyclictest2265735-21kthreadcore22:23:156
184279299150,15cyclictest0-21swapper/620:27:146
184279299150,14cyclictest2036817-21grep20:43:136
1842797991413,0cyclictest0-21swapper/719:58:137
1842797991412,1cyclictest2292185-21ssh22:33:297
1842797991412,1cyclictest1865576-21munin-run19:17:527
1842797991412,1cyclictest0-21swapper/720:13:037
1842792991413,1cyclictest0-21swapper/623:42:346
1842792991413,1cyclictest0-21swapper/621:58:596
184279299140,4cyclictest21270201kthreadcore21:28:096
184279299140,4cyclictest19874801kthreadcore20:18:126
184279299140,3cyclictest19286111kthreadcore19:48:126
184279299140,1cyclictest1893446-21ntpq19:28:286
184279299140,1cyclictest0-21swapper/623:22:246
184279299140,14cyclictest0-21swapper/622:33:226
184279299140,13cyclictest2375159-21kthreadcore23:08:126
184279299140,13cyclictest1844700-21cut19:08:106
1842797991312,0cyclictest0-21swapper/719:38:037
1842797991311,1cyclictest0-21swapper/720:38:157
184279299132,9cyclictest1914122-21tr19:43:046
1842792991310,3cyclictest86-21ksoftirqd/622:28:166
184279299130,3cyclictest24179671kthreadcore23:28:106
184279299130,3cyclictest2105366-21grep21:18:106
184279299130,3cyclictest20139901kthreadcore20:33:096
184279299130,3cyclictest20070131kthreadcore20:28:136
184279299130,3cyclictest20070131kthreadcore20:28:136
184279299130,3cyclictest19060131kthreadcore19:38:096
184279299130,2cyclictest1957948-21kthreadcore20:03:126
184279299130,12cyclictest2555248-21grep00:23:146
184279799129,2cyclictest1234-21snmpd22:59:157
184279799129,2cyclictest1234-21snmpd19:45:187
184279799128,3cyclictest1234-21snmpd19:50:257
1842797991212,0cyclictest0-21swapper/721:10:027
1842797991212,0cyclictest0-21swapper/721:10:027
1842797991212,0cyclictest0-21swapper/720:23:077
1842797991211,0cyclictest0-21swapper/700:25:227
184279799120,11cyclictest1234-21snmpd19:54:197
184279299124,7cyclictest2574613-21kthreadcore00:33:086
184279299123,8cyclictest2345932-21tr22:58:106
184279299121,7cyclictest0-21swapper/622:40:106
184279299120,4cyclictest2243500-21timerwakeupswit22:13:206
184279299120,4cyclictest1972691-21cut20:13:076
184279299120,3cyclictest2308765-21kthreadcore22:43:086
184279299120,3cyclictest2143758-21grep21:33:126
184279299120,3cyclictest18594061kthreadcore19:13:116
184279299120,2cyclictest2152765-21grep21:38:106
184279299120,2cyclictest1880103-21cut19:23:136
184279299120,1cyclictest2065834-21kthreadcore20:58:146
184279299120,11cyclictest2479690-21cat23:53:116
184279299120,11cyclictest2479690-21cat23:53:116
184279299120,11cyclictest2255163-21ntpq22:18:156
184279299120,11cyclictest2227451-21kthreadcore22:08:116
184279299120,11cyclictest2120149-21kthreadcore21:23:136
184279799117,3cyclictest1234-21snmpd19:29:337
184279799116,4cyclictest6382-21gvfs-afc-volume20:18:077
184279799110,10cyclictest1234-21snmpd22:31:057
184279299118,3cyclictest86-21ksoftirqd/621:48:026
184279299118,3cyclictest86-21ksoftirqd/621:48:026
184279299117,4cyclictest86-21ksoftirqd/620:08:116
184279299114,6cyclictest0-21swapper/623:43:126
184279299113,7cyclictest1873672-21cut19:18:136
184279299112,8cyclictest2494300-21cut23:58:106
184279299112,8cyclictest2494300-21cut23:58:106
184279299112,8cyclictest2335126-21cut22:53:116
184279299112,8cyclictest2217879-21kthreadcore22:03:126
184279299112,8cyclictest2068793-21sort21:03:116
184279299110,4cyclictest2092119-21grep21:13:126
184279299110,4cyclictest1946497-21grep19:58:106
184279299110,4cyclictest1898737-21cut19:33:116
184279299110,3cyclictest2324858-21cut22:48:126
184279299110,3cyclictest2028528-21chrt20:39:056
184279299110,2cyclictest2508731-21cut00:03:126
184279299110,2cyclictest2473568-21grep23:48:206
184279299110,2cyclictest2078645-21grep21:08:096
184279299110,2cyclictest2078645-21grep21:08:096
184279299110,2cyclictest0-21swapper/619:53:046
184279299110,10cyclictest2189711-21kthreadcore21:53:116
184279299110,10cyclictest0-21swapper/600:28:096
184279799106,3cyclictest1234-21snmpd20:56:187
184279799104,5cyclictest635-21systemd-journal23:02:537
184279299100,4cyclictest2404780-21iptables23:23:076
184279299100,4cyclictest2048460-21cat20:53:056
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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