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2026-03-29 - 13:06
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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 Mar 29, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1027794995048,2cyclictest1607568-21kworker/u16:1+events_unbound00:02:544
102740424838,7sleep40-21swapper/419:01:184
102734924838,7sleep50-21swapper/519:00:315
1027794994341,2cyclictest1476278-21kworker/u16:3+events_unbound23:05:114
1027794994341,2cyclictest1379116-21kworker/u16:4+events_unbound21:54:404
1027794994341,2cyclictest1368630-21kworker/u16:2+events_unbound22:03:594
1027794994341,2cyclictest1356652-21kworker/u16:3+events_unbound21:50:284
1027794994341,2cyclictest1222440-21kworker/u16:0+events_unbound22:24:244
1027794994341,2cyclictest1222440-21kworker/u16:0+events_unbound21:33:204
1027802994240,2cyclictest1222440-21kworker/u16:0+flush-8:021:43:166
1027794994239,2cyclictest1222440-21kworker/u16:0+events_unbound21:27:554
1027798994139,2cyclictest1667608-21kworker/u16:4+events_unbound00:08:185
1027794994139,2cyclictest1629144-21kworker/u16:3+events_unbound23:40:394
1027794994139,2cyclictest1557603-21kworker/u16:2+events_unbound00:17:554
1027794994139,2cyclictest1476326-21kworker/u16:4+events_unbound22:34:204
1027807994034,5cyclictest1193694-21latency_hist20:27:537
1027794994038,2cyclictest1691552-21kworker/u16:0+events_unbound00:16:234
1027794994038,2cyclictest1667608-21kworker/u16:4+events_unbound00:11:344
1027794994038,2cyclictest1629144-21kworker/u16:3+events_unbound23:36:354
1027794994038,2cyclictest1607568-21kworker/u16:1+events_unbound23:56:394
1027794994038,2cyclictest1557603-21kworker/u16:2+flush-8:023:58:024
1027794994038,2cyclictest1476278-21kworker/u16:3+events_unbound23:09:234
1027794994038,2cyclictest1476278-21kworker/u16:3+events_unbound23:09:234
1027794994038,2cyclictest1476278-21kworker/u16:3+events_unbound22:46:554
1027794994038,2cyclictest1379116-21kworker/u16:4+events_unbound22:10:284
1027794994038,2cyclictest1016785-21kworker/u16:2+flush-8:019:03:244
1027794994037,2cyclictest1050523-21kworker/u16:3+events_unbound20:06:244
10272462403,32sleep70-21swapper/718:59:057
1027798993937,2cyclictest1524304-21kworker/u16:0+events_unbound23:02:525
1027794993937,2cyclictest1667608-21kworker/u16:4+events_unbound00:27:064
1027794993937,2cyclictest1667608-21kworker/u16:4+events_unbound00:27:064
1027794993937,2cyclictest1607568-21kworker/u16:1+events_unbound23:44:004
1027794993937,2cyclictest1557603-21kworker/u16:2+events_unbound00:29:584
1027794993937,2cyclictest1557603-21kworker/u16:2+events_unbound00:29:584
1027794993937,2cyclictest1524304-21kworker/u16:0+events_unbound23:31:554
1027794993937,2cyclictest1476326-21kworker/u16:4+events_unbound22:42:114
1027794993937,2cyclictest1464024-21kworker/u16:2+events_unbound22:52:194
1027794993937,2cyclictest1318061-21kworker/u16:1+events_unbound21:43:354
1027794993937,2cyclictest1222440-21kworker/u16:0+events_unbound22:22:314
1027794993937,2cyclictest1222440-21kworker/u16:0+events_unbound21:11:234
1027794993836,2cyclictest1524304-21kworker/u16:0+events_unbound23:15:324
1027794993836,2cyclictest1464024-21kworker/u16:2+events_unbound22:29:114
1027794993836,2cyclictest1464024-21kworker/u16:2+events_unbound22:29:114
1027794993835,2cyclictest1368630-21kworker/u16:2+events_unbound22:01:584
1027802993735,2cyclictest1667608-21kworker/u16:4+flush-8:023:53:076
1027798993735,2cyclictest1464024-21kworker/u16:2+events_unbound22:28:155
1027798993735,2cyclictest1464024-21kworker/u16:2+events_unbound22:28:155
1027794993735,2cyclictest1524304-21kworker/u16:0+events_unbound23:20:434
1027794993735,2cyclictest1270944-21kworker/u16:3+events_unbound21:17:034
1027794993735,2cyclictest1241773-21kworker/u16:2+events_unbound21:20:554
1027798993634,2cyclictest1464024-21kworker/u16:2+events_unbound22:38:155
1027794993634,2cyclictest1557603-21kworker/u16:2+events_unbound23:49:444
1027794993634,2cyclictest1379116-21kworker/u16:4+events_unbound22:16:474
1027794993634,2cyclictest1318061-21kworker/u16:1+events_unbound21:27:204
1027794993634,2cyclictest1241773-21kworker/u16:2+events_unbound21:40:164
1027794993634,2cyclictest1222440-21kworker/u16:0+events_unbound21:04:564
1027794993634,2cyclictest1060434-21kworker/u16:1+flush-8:019:38:184
102741523424,7sleep60-21swapper/619:01:286
1027802993331,2cyclictest1241773-21kworker/u16:2+flush-8:021:38:116
1027798993331,2cyclictest1524304-21kworker/u16:0+events_unbound23:13:185
1027794993331,2cyclictest1524304-21kworker/u16:0+events_unbound23:27:144
1027794993331,2cyclictest1476278-21kworker/u16:3+flush-8:022:58:344
1027798993230,2cyclictest1557603-21kworker/u16:2+events_unbound00:18:165
1027807993129,1cyclictest107-21kcompactd022:23:507
1027798993129,2cyclictest1203587-21kworker/u16:3+events_unbound20:38:075
1027798993129,2cyclictest1146210-21kworker/u16:4+events_unbound20:08:175
1027794993129,2cyclictest1464024-21kworker/u16:2+events_unbound22:54:324
1027798993028,2cyclictest1691552-21kworker/u16:0+events_unbound00:03:155
1027798993028,2cyclictest1222440-21kworker/u16:0+events_unbound22:23:205
1027794993028,2cyclictest1203587-21kworker/u16:3+events_unbound20:44:074
1027794993028,2cyclictest1133745-21kworker/u16:2+events_unbound19:54:034
1027807992928,0cyclictest0-21swapper/720:31:357
1027798992927,2cyclictest1078865-21kworker/u16:0+events_unbound19:43:075
1027807992825,2cyclictest124-21kswapd022:08:067
1027802992826,2cyclictest1667608-21kworker/u16:4+events_unbound23:58:366
1027798992826,2cyclictest1318061-21kworker/u16:1+events_unbound21:28:215
1027798992826,2cyclictest1222440-21kworker/u16:0+events_unbound20:53:065
1027798992826,2cyclictest1060434-21kworker/u16:1+flush-8:021:03:195
1027794992826,2cyclictest1060434-21kworker/u16:1+flush-8:020:57:534
1027794992826,2cyclictest1060434-21kworker/u16:1+events_unbound20:36:084
1027794992826,2cyclictest1050523-21kworker/u16:3+events_unbound19:18:564
1027802992725,2cyclictest337174-21kworker/u16:0+events_unbound19:15:256
1027802992725,2cyclictest1703040-21kworker/u16:3+events_unbound00:23:116
1027802992725,2cyclictest1703040-21kworker/u16:3+events_unbound00:23:116
1027802992725,2cyclictest1667608-21kworker/u16:4+events_unbound00:08:406
1027802992725,2cyclictest1203587-21kworker/u16:3+events_unbound20:45:236
1027802992724,2cyclictest1060434-21kworker/u16:1+events_unbound20:32:556
1027798992725,2cyclictest1557603-21kworker/u16:2+events_unbound23:48:165
1027794992725,2cyclictest1155936-21kworker/u16:2+events_unbound20:22:124
1027794992725,2cyclictest1155936-21kworker/u16:2+events_unbound20:14:074
1027794992725,2cyclictest1155936-21kworker/u16:2+events_unbound20:11:274
1027794992725,2cyclictest1060434-21kworker/u16:1+events_unbound20:42:514
1027794992725,2cyclictest1050523-21kworker/u16:3+events_unbound19:14:564
13318812260,1chrt1331882-21sh21:32:007
1027802992624,2cyclictest1060434-21kworker/u16:1+flush-8:020:52:536
1027802992623,2cyclictest1607568-21kworker/u16:1+flush-8:023:32:526
1027798992624,2cyclictest1464024-21kworker/u16:2+events_unbound22:53:355
1027798992624,2cyclictest1404150-21kworker/u16:1+events_unbound22:08:215
1027798992624,2cyclictest1368630-21kworker/u16:2+events_unbound22:03:165
1027794992624,2cyclictest1078865-21kworker/u16:0+events_unbound19:44:154
1027807992520,4cyclictest1107819-21latency_hist19:42:537
102780799250,7cyclictest1365178-21ssh21:43:157
1027802992523,2cyclictest1557603-21kworker/u16:2+flush-8:023:33:196
1027802992523,2cyclictest1155936-21kworker/u16:2+flush-8:020:27:526
1027798992523,2cyclictest1607568-21kworker/u16:1+events_unbound23:33:105
1027798992523,2cyclictest1476278-21kworker/u16:3+events_unbound22:46:005
1027794992523,2cyclictest1050523-21kworker/u16:3+events_unbound19:27:034
1027802992422,2cyclictest1270944-21kworker/u16:3+events_unbound21:05:416
1027802992421,3cyclictest1241773-21kworker/u16:2+flush-8:021:23:196
1027798992422,2cyclictest1222440-21kworker/u16:0+events_unbound21:41:405
1027794992422,2cyclictest1155936-21kworker/u16:2+events_unbound20:30:574
1027807992322,0cyclictest0-21swapper/719:47:407
1027807992322,0cyclictest0-21swapper/719:31:197
1027807992322,0cyclictest0-21swapper/719:13:117
1027807992318,4cyclictest1679168-21latency_hist23:57:527
1027802992321,2cyclictest989756-21kworker/u16:4+events_unbound19:06:516
1027802992321,2cyclictest1667608-21kworker/u16:4+flush-8:000:28:176
1027802992321,2cyclictest1667608-21kworker/u16:4+flush-8:000:28:176
1027802992321,2cyclictest1557603-21kworker/u16:2+events_unbound23:03:376
1027802992321,2cyclictest1524304-21kworker/u16:0+flush-8:022:53:126
1027802992321,2cyclictest1133745-21kworker/u16:2+events_unbound20:00:186
1027802992321,2cyclictest1060434-21kworker/u16:1+flush-8:021:02:486
1027802992321,2cyclictest1060434-21kworker/u16:1+events_unbound20:32:476
1027802992321,2cyclictest1060434-21kworker/u16:1+events_unbound19:54:196
1027798992321,2cyclictest1703040-21kworker/u16:3+events_unbound00:17:515
1027798992321,2cyclictest1607568-21kworker/u16:1+events_unbound23:38:225
1027798992321,2cyclictest1476326-21kworker/u16:4+events_unbound22:48:155
1027798992321,2cyclictest1379116-21kworker/u16:4+events_unbound21:57:035
1027798992321,2cyclictest1368630-21kworker/u16:2+events_unbound22:01:285
1027798992321,2cyclictest1155936-21kworker/u16:2+events_unbound20:18:155
1027798992321,2cyclictest1133745-21kworker/u16:2+events_unbound19:58:215
1027794992321,2cyclictest1133745-21kworker/u16:2+events_unbound20:01:524
1027807992222,0cyclictest0-21swapper/721:48:197
1027807992221,0cyclictest0-21swapper/723:23:147
1027807992221,0cyclictest0-21swapper/721:02:317
1027807992221,0cyclictest0-21swapper/720:57:327
1027807992221,0cyclictest0-21swapper/720:09:557
1027807992221,0cyclictest0-21swapper/719:18:087
1027802992220,2cyclictest1691552-21kworker/u16:0+flush-8:000:13:466
1027802992220,2cyclictest1691552-21kworker/u16:0+events_unbound00:03:356
1027798992220,2cyclictest337174-21kworker/u16:0+flush-8:019:12:485
1027798992220,2cyclictest1607568-21kworker/u16:1+events_unbound23:55:445
1027798992220,2cyclictest1222440-21kworker/u16:0+events_unbound21:50:385
1027798992220,2cyclictest1222440-21kworker/u16:0+events_unbound21:18:175
1027794992220,2cyclictest1060434-21kworker/u16:1+events_unbound20:49:084
1027807992115,5cyclictest1667134-21latency_hist23:52:527
1027802992119,2cyclictest1404150-21kworker/u16:1+events_unbound22:23:066
1027802992119,2cyclictest1404150-21kworker/u16:1+events_unbound22:08:156
1027802992119,2cyclictest1379116-21kworker/u16:4+flush-8:022:13:186
1027802992119,2cyclictest1222440-21kworker/u16:0+flush-8:021:08:266
1027802992119,2cyclictest1060434-21kworker/u16:1+flush-8:020:13:256
1027802992119,2cyclictest1060434-21kworker/u16:1+events_unbound19:30:566
1027798992119,2cyclictest1557603-21kworker/u16:2+events_unbound23:45:155
1027798992119,2cyclictest1557603-21kworker/u16:2+events_unbound23:25:235
1027798992119,2cyclictest1557603-21kworker/u16:2+events_unbound00:32:195
1027798992119,2cyclictest1557603-21kworker/u16:2+events_unbound00:32:195
1027798992119,2cyclictest1241773-21kworker/u16:2+events_unbound21:11:115
1027798992119,2cyclictest1060434-21kworker/u16:1+flush-8:019:42:485
1027798992116,2cyclictest1557603-21kworker/u16:2+events_unbound23:09:565
1027798992116,2cyclictest1557603-21kworker/u16:2+events_unbound23:09:565
1027807992014,5cyclictest1272474-21latency_hist21:07:527
1027802992018,2cyclictest337174-21kworker/u16:0+events_unbound19:11:156
1027802992018,2cyclictest1476278-21kworker/u16:3+events_unbound23:02:486
1027802992018,2cyclictest1222440-21kworker/u16:0+events_unbound21:58:366
1027802992018,2cyclictest1155936-21kworker/u16:2+events_unbound20:10:306
102780299200,15cyclictest0-21swapper/619:48:106
1027798992018,2cyclictest1703040-21kworker/u16:3+events_unbound00:25:075
1027798992018,2cyclictest1703040-21kworker/u16:3+events_unbound00:25:075
1027798992018,2cyclictest1524304-21kworker/u16:0+events_unbound23:19:525
1027798992018,2cyclictest1379116-21kworker/u16:4+flush-8:022:18:505
1027798992018,2cyclictest1241773-21kworker/u16:2+events_unbound21:14:075
1027794992018,2cyclictest1078865-21kworker/u16:0+events_unbound19:31:524
1027807991918,0cyclictest0-21swapper/719:26:227
1027802991917,2cyclictest1356652-21kworker/u16:3+flush-8:021:48:136
1027802991917,2cyclictest1060434-21kworker/u16:1+events_unbound19:45:456
1027802991917,2cyclictest1060434-21kworker/u16:1+events_unbound19:39:306
1027802991916,2cyclictest1060434-21kworker/u16:1+events_unbound19:23:016
1027798991917,2cyclictest1557603-21kworker/u16:2+events_unbound00:01:345
1027798991917,2cyclictest1524304-21kworker/u16:0+events_unbound23:32:155
1027798991917,2cyclictest1078865-21kworker/u16:0+events_unbound19:28:255
102780799189,8cyclictest0-21swapper/722:48:107
1027807991817,0cyclictest0-21swapper/720:35:377
1027807991817,0cyclictest0-21swapper/719:51:217
1027807991813,4cyclictest650-21systemd-journal00:17:527
1027802991816,2cyclictest1524304-21kworker/u16:0+events_unbound23:13:106
1027802991816,2cyclictest1476278-21kworker/u16:3+events_unbound22:43:356
1027802991816,2cyclictest1379116-21kworker/u16:4+events_unbound22:18:276
1027802991816,2cyclictest1241773-21kworker/u16:2+events_unbound21:17:526
1027802991816,2cyclictest1222440-21kworker/u16:0+flush-8:022:03:226
1027802991816,2cyclictest1203587-21kworker/u16:3+events_unbound20:50:266
1027802991816,2cyclictest1060434-21kworker/u16:1+events_unbound20:41:506
1027798991816,2cyclictest1476278-21kworker/u16:3+events_unbound23:07:395
1027798991816,2cyclictest1318061-21kworker/u16:1+events_unbound21:43:205
1027798991816,2cyclictest1222440-21kworker/u16:0+events_unbound21:36:515
1027798991816,2cyclictest1060434-21kworker/u16:1+events_unbound19:37:525
1027794991816,2cyclictest337174-21kworker/u16:0+events_unbound19:08:274
1027794991816,2cyclictest1222440-21kworker/u16:0+events_unbound21:00:034
1027794991816,2cyclictest1173638-21kworker/u16:0+events_unbound20:27:444
102780799178,8cyclictest0-21swapper/722:43:157
1027807991717,0cyclictest0-21swapper/722:56:197
1027807991716,1cyclictest0-21swapper/719:53:127
1027807991715,1cyclictest0-21swapper/719:03:037
102780799170,16cyclictest34590-21sendmail20:46:187
1027802991715,2cyclictest1476326-21kworker/u16:4+events_unbound22:33:356
1027802991715,2cyclictest1155936-21kworker/u16:2+flush-8:020:18:476
1027802991715,2cyclictest1050523-21kworker/u16:3+events_unbound19:33:056
1027798991715,2cyclictest1464024-21kworker/u16:2+events_unbound22:33:595
1027798991715,2cyclictest1222440-21kworker/u16:0+events_unbound22:13:475
1027798991715,2cyclictest1060434-21kworker/u16:1+flush-8:020:12:595
1027798991715,2cyclictest1060434-21kworker/u16:1+events_unbound19:23:095
1027798991713,3cyclictest1061217-21cat19:18:085
1027794991715,2cyclictest1060434-21kworker/u16:1+events_unbound19:51:074
102780799168,7cyclictest0-21swapper/721:18:167
102780799167,8cyclictest0-21swapper/723:43:057
102780799167,8cyclictest0-21swapper/723:08:157
102780799167,8cyclictest0-21swapper/723:08:157
1027807991616,0cyclictest0-21swapper/723:58:167
1027807991615,0cyclictest0-21swapper/720:41:297
1027807991613,2cyclictest1267-21snmpd23:02:547
1027802991615,1cyclictest0-21swapper/621:53:166
1027802991614,2cyclictest1222440-21kworker/u16:0+events_unbound21:22:476
1027798991614,2cyclictest1318061-21kworker/u16:1+events_unbound21:25:295
1027798991614,2cyclictest1155936-21kworker/u16:2+events_unbound20:27:035
102780799157,7cyclictest0-21swapper/722:38:097
102780799157,7cyclictest0-21swapper/722:28:097
102780799157,7cyclictest0-21swapper/722:28:097
102780799157,7cyclictest0-21swapper/722:03:107
102780799156,8cyclictest0-21swapper/721:13:177
1027807991514,0cyclictest0-21swapper/723:18:167
1027807991514,0cyclictest0-21swapper/720:50:347
1027807991514,0cyclictest0-21swapper/720:01:257
1027802991513,2cyclictest1050523-21kworker/u16:3+events_unbound19:18:176
102780299150,15cyclictest0-21swapper/623:12:396
102780299150,15cyclictest0-21swapper/623:12:396
1027794991513,2cyclictest1050523-21kworker/u16:3+events_unbound19:34:114
102780799147,6cyclictest0-21swapper/722:01:597
102780799147,6cyclictest0-21swapper/700:13:077
102780799147,6cyclictest0-21swapper/700:11:027
102780799146,7cyclictest0-21swapper/721:41:307
102780799146,7cyclictest0-21swapper/721:33:107
102780799146,7cyclictest0-21swapper/721:08:137
102780799146,6cyclictest0-21swapper/721:23:087
102780799145,7cyclictest0-21swapper/722:18:057
1027807991413,0cyclictest0-21swapper/720:15:457
1027807991412,1cyclictest0-21swapper/700:03:177
1027807991411,2cyclictest1267-21snmpd00:32:247
1027807991411,2cyclictest1267-21snmpd00:32:247
1027807991411,2cyclictest0-21swapper/723:02:527
102780799140,1cyclictest0-21swapper/722:13:147
1027802991413,1cyclictest0-21swapper/623:45:266
1027802991413,1cyclictest0-21swapper/623:18:386
1027802991412,2cyclictest1557603-21kworker/u16:2+events_unbound23:27:206
1027802991412,2cyclictest1476326-21kworker/u16:4+events_unbound22:48:386
1027802991412,2cyclictest1146210-21kworker/u16:4+flush-8:020:07:206
1027798991412,2cyclictest1050523-21kworker/u16:3+events_unbound20:03:105
102780799139,3cyclictest1267-21snmpd21:52:587
102780799136,6cyclictest0-21swapper/723:40:207
102780799136,6cyclictest0-21swapper/723:32:547
102780799135,7cyclictest0-21swapper/722:35:227
102780799135,7cyclictest0-21swapper/700:23:057
102780799135,7cyclictest0-21swapper/700:23:057
102780799134,8cyclictest0-21swapper/723:28:137
1027807991313,0cyclictest0-21swapper/719:36:227
102780799130,12cyclictest96-21ksoftirqd/723:13:157
1027802991312,1cyclictest0-21swapper/622:42:046
1027802991312,1cyclictest0-21swapper/600:22:296
1027802991311,1cyclictest0-21swapper/621:33:106
1027798991311,2cyclictest1155936-21kworker/u16:2+flush-8:020:33:445
1027798991311,2cyclictest1155936-21kworker/u16:2+events_unbound20:32:085
1027798991311,2cyclictest1060434-21kworker/u16:1+events_unbound20:51:405
1027798991311,2cyclictest1050523-21kworker/u16:3+events_unbound19:56:045
1027798991311,1cyclictest1060434-21kworker/u16:1+events_unbound20:58:035
102779899130,1cyclictest0-21swapper/519:14:575
102780799128,3cyclictest1267-21snmpd20:20:117
102780799128,3cyclictest1267-21snmpd19:09:377
102780799126,5cyclictest650-21systemd-journal20:07:537
1027802991211,1cyclictest0-21swapper/623:49:326
1027802991210,2cyclictest1607568-21kworker/u16:1+events_unbound23:39:426
1027802991210,2cyclictest1318061-21kworker/u16:1+events_unbound21:30:406
1027798991210,2cyclictest989756-21kworker/u16:4+events_unbound19:07:155
1027798991210,2cyclictest1060434-21kworker/u16:1+events_unbound19:52:085
10278029997,2cyclictest1464024-21kworker/u16:2+events_unbound22:28:236
10278029997,2cyclictest1464024-21kworker/u16:2+events_unbound22:28:236
10277989990,5cyclictest1223562-21irqcore20:43:085
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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