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2025-12-25 - 06:25
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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 all highest latencies:
System rack0slot2.osadl.org (updated Thu Dec 25, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
97681325444,7sleep50-21swapper/519:05:325
97702425219,29sleep70-21swapper/719:08:317
97703225141,7sleep60-21swapper/619:08:386
977372994842,5cyclictest1358066-21latency_hist22:24:097
97693524534,8sleep40-21swapper/419:07:164
977367994442,2cyclictest938712-21kworker/u16:1+flush-8:019:14:106
977363994240,2cyclictest1129883-21kworker/u16:2+flush-8:020:29:095
977372993933,5cyclictest1212963-21latency_hist21:09:097
977367993937,2cyclictest938712-21kworker/u16:1+events_unbound19:34:246
977367993937,2cyclictest1309944-21kworker/u16:3+flush-8:023:24:096
977363993937,2cyclictest1474526-21kworker/u16:1+flush-8:000:14:245
977367993836,2cyclictest1406774-21kworker/u16:0+flush-8:023:09:256
14774412380,0sleep71477444-21cut23:24:307
977367993735,2cyclictest991066-21kworker/u16:0+events_unbound20:49:056
977367993735,2cyclictest1338538-21kworker/u16:1+events_unbound22:34:246
977367993634,2cyclictest1464469-21kworker/u16:5+flush-8:023:54:096
977367993634,2cyclictest1299819-21kworker/u16:4+events_unbound22:09:096
977367993634,2cyclictest1299819-21kworker/u16:4+events_unbound22:09:096
977367993533,2cyclictest1464469-21kworker/u16:5+events_unbound23:39:366
977367993533,2cyclictest1464469-21kworker/u16:5+events_unbound23:39:366
977363993533,2cyclictest991066-21kworker/u16:0+flush-8:019:59:285
977363993533,2cyclictest1309944-21kworker/u16:3+events_unbound23:04:335
977372993428,5cyclictest1010010-21latency_hist19:24:107
977367993432,2cyclictest261336-21kworker/u16:4+events_unbound19:39:256
977372993328,4cyclictest1077737-21latency_hist19:59:107
977367993331,2cyclictest1571348-21kworker/u16:3+events_unbound00:19:226
977367993230,2cyclictest1406774-21kworker/u16:0+events_unbound23:04:046
977363993230,2cyclictest1338532-21kworker/u16:0+events_unbound22:17:205
12333162320,1chrt1233317-21fschecks_time21:19:227
977367993129,2cyclictest261336-21kworker/u16:4+flush-8:019:54:046
977367993128,2cyclictest1106914-21kworker/u16:3+events_unbound20:19:296
977363993129,2cyclictest1561063-21kworker/u16:0+events_unbound00:38:085
977363993129,2cyclictest1106914-21kworker/u16:3+events_unbound20:33:215
977363993129,2cyclictest1106914-21kworker/u16:3+events_unbound20:33:215
977363993128,2cyclictest1464469-21kworker/u16:5+events_unbound23:59:325
977363993028,2cyclictest1106914-21kworker/u16:3+events_unbound20:19:395
977363993027,2cyclictest1406774-21kworker/u16:0+flush-8:022:54:245
977363993027,2cyclictest1406774-21kworker/u16:0+flush-8:022:54:245
977372992928,0cyclictest0-21swapper/720:28:367
977372992928,0cyclictest0-21swapper/720:02:317
977363992927,2cyclictest1493833-21kworker/u16:0+events_unbound23:42:245
977363992927,2cyclictest1493833-21kworker/u16:0+events_unbound23:42:245
977363992927,2cyclictest1474526-21kworker/u16:1+flush-8:023:34:365
977363992927,2cyclictest1474526-21kworker/u16:1+events_unbound00:12:365
977363992927,2cyclictest1309944-21kworker/u16:3+events_unbound22:45:205
977363992927,2cyclictest1173273-21kworker/u16:1+events_unbound21:19:215
977363992927,2cyclictest1106914-21kworker/u16:3+events_unbound20:34:365
977363992926,2cyclictest261336-21kworker/u16:4+flush-8:019:49:205
977355992927,2cyclictest1299819-21kworker/u16:4+events_unbound22:06:354
977355992927,2cyclictest1299819-21kworker/u16:4+events_unbound22:06:354
977367992826,2cyclictest1474526-21kworker/u16:1+events_unbound00:09:246
977367992825,2cyclictest991066-21kworker/u16:0+events_unbound21:04:246
977363992826,2cyclictest1571366-21kworker/u16:4+events_unbound00:24:355
977363992826,2cyclictest1571348-21kworker/u16:3+events_unbound00:22:365
977363992826,2cyclictest1561063-21kworker/u16:0+events_unbound00:08:205
977363992826,2cyclictest1173273-21kworker/u16:1+flush-8:021:29:345
977355992825,2cyclictest1474526-21kworker/u16:1+flush-8:000:09:254
977372992721,5cyclictest1193597-21latency_hist20:59:107
977367992725,2cyclictest991066-21kworker/u16:0+events_unbound20:49:336
977367992725,2cyclictest261336-21kworker/u16:4+events_unbound19:44:286
977367992725,2cyclictest1068441-21kworker/u16:1+flush-8:020:29:356
977367992725,2cyclictest1068441-21kworker/u16:1+flush-8:020:29:356
977363992725,2cyclictest1261314-21kworker/u16:0+events_unbound21:39:385
977363992725,2cyclictest1261314-21kworker/u16:0+events_unbound21:38:125
977363992725,2cyclictest1226887-21kworker/u16:2+flush-8:021:44:405
977363992725,2cyclictest1039232-21kworker/u16:2+events_unbound20:10:205
977363992724,2cyclictest938712-21kworker/u16:1+flush-8:019:09:205
977355992725,2cyclictest1561063-21kworker/u16:0+events_unbound00:38:594
977372992625,0cyclictest0-21swapper/722:53:317
977367992624,2cyclictest1226887-21kworker/u16:2+events_unbound21:44:226
977367992624,2cyclictest1106914-21kworker/u16:3+flush-8:020:29:046
977367992624,2cyclictest1106914-21kworker/u16:3+events_unbound20:34:326
977363992624,2cyclictest938712-21kworker/u16:1+flush-8:019:29:415
977363992624,2cyclictest1474526-21kworker/u16:1+events_unbound23:51:205
977363992624,2cyclictest1464469-21kworker/u16:5+events_unbound23:32:205
977363992624,2cyclictest1299819-21kworker/u16:4+events_unbound21:54:375
977363992624,2cyclictest1226887-21kworker/u16:2+flush-8:021:24:205
977363992624,2cyclictest1173273-21kworker/u16:1+flush-8:021:09:365
977363992624,2cyclictest1039232-21kworker/u16:2+events_unbound19:42:295
977363992623,2cyclictest261336-21kworker/u16:4+flush-8:019:19:205
977363992623,2cyclictest1226887-21kworker/u16:2+flush-8:021:49:225
977355992624,2cyclictest261336-21kworker/u16:4+events_unbound19:17:284
977355992624,2cyclictest1493833-21kworker/u16:0+events_unbound23:47:234
977355992624,2cyclictest1464469-21kworker/u16:5+events_unbound23:52:284
977355992624,2cyclictest1039232-21kworker/u16:2+events_unbound19:44:344
977372992524,0cyclictest0-21swapper/721:18:447
977372992524,0cyclictest0-21swapper/721:02:017
977372992522,2cyclictest1020449-21expr19:29:217
977367992523,2cyclictest977128-21kworker/u16:2+flush-8:019:14:156
977367992523,2cyclictest1571366-21kworker/u16:4+flush-8:000:24:386
977367992523,2cyclictest1338538-21kworker/u16:1+flush-8:022:44:346
977363992523,2cyclictest991066-21kworker/u16:0+flush-8:019:24:295
977363992523,2cyclictest938712-21kworker/u16:1+flush-8:019:14:355
977363992523,2cyclictest938712-21kworker/u16:1+events_unbound19:37:205
977363992523,2cyclictest1406774-21kworker/u16:0+flush-8:022:54:095
977363992522,2cyclictest1309944-21kworker/u16:3+flush-8:023:19:255
977355992523,2cyclictest991066-21kworker/u16:0+flush-8:019:21:044
977355992523,2cyclictest991066-21kworker/u16:0+events_unbound20:45:284
977355992523,2cyclictest938712-21kworker/u16:1+events_unbound19:28:234
977355992523,2cyclictest1561063-21kworker/u16:0+events_unbound00:18:084
977355992523,2cyclictest1549545-21kworker/u16:4+events_unbound00:06:074
977355992523,2cyclictest1039232-21kworker/u16:2+events_unbound20:13:474
977372992423,0cyclictest0-21swapper/722:30:357
977372992423,0cyclictest0-21swapper/721:44:357
977367992422,2cyclictest991066-21kworker/u16:0+events_unbound19:54:246
977367992422,2cyclictest1549545-21kworker/u16:4+flush-8:000:04:096
977367992422,2cyclictest1309944-21kworker/u16:3+flush-8:023:29:256
977367992422,2cyclictest1296654-21kworker/u16:1+events_unbound21:54:226
977363992422,2cyclictest1474526-21kworker/u16:1+events_unbound23:57:215
977363992422,2cyclictest1377585-21kworker/u16:4+events_unbound22:39:405
977363992422,2cyclictest1348782-21kworker/u16:2+events_unbound22:24:355
977363992422,2cyclictest1309944-21kworker/u16:3+events_unbound22:34:395
977363992422,2cyclictest1299819-21kworker/u16:4+events_unbound22:09:315
977363992422,2cyclictest1068441-21kworker/u16:1+events_unbound20:17:495
977363992421,2cyclictest991066-21kworker/u16:0+events_unbound20:54:245
977363992421,2cyclictest1039232-21kworker/u16:2+events_unbound19:44:205
977355992422,2cyclictest991066-21kworker/u16:0+events_unbound20:08:444
977355992422,2cyclictest991066-21kworker/u16:0+events_unbound19:52:484
977355992422,2cyclictest1549545-21kworker/u16:4+flush-8:000:01:074
977355992422,2cyclictest1348782-21kworker/u16:2+events_unbound22:25:074
977355992422,2cyclictest1338532-21kworker/u16:0+flush-8:022:18:434
977355992422,2cyclictest1310483-21kworker/u16:5+events_unbound21:59:384
977355992422,2cyclictest1309944-21kworker/u16:3+flush-8:023:32:474
977355992422,2cyclictest1309944-21kworker/u16:3+events_unbound22:09:564
977372992323,0cyclictest0-21swapper/720:37:317
977372992322,0cyclictest0-21swapper/723:08:237
977372992322,0cyclictest0-21swapper/722:28:127
977367992321,2cyclictest1561063-21kworker/u16:0+events_unbound00:14:276
977367992321,2cyclictest1474526-21kworker/u16:1+events_unbound23:56:196
977367992321,2cyclictest1309944-21kworker/u16:3+events_unbound22:32:196
977367992320,2cyclictest1377585-21kworker/u16:4+flush-8:022:39:256
977363992322,1cyclictest1348782-21kworker/u16:2+events_unbound22:19:215
977355992321,2cyclictest991066-21kworker/u16:0+events_unbound20:54:264
977355992321,2cyclictest991066-21kworker/u16:0+events_unbound20:37:004
977355992321,2cyclictest938712-21kworker/u16:1+events_unbound19:35:484
977355992321,2cyclictest1425775-21kworker/u16:1+events_unbound23:08:284
977355992321,2cyclictest1296654-21kworker/u16:1+events_unbound21:53:044
977355992321,2cyclictest1202322-21kworker/u16:2+events_unbound21:01:514
977355992321,2cyclictest1173273-21kworker/u16:1+events_unbound21:16:524
977355992321,2cyclictest1068441-21kworker/u16:1+events_unbound20:15:194
977372992222,0cyclictest0-21swapper/721:41:527
977372992222,0cyclictest0-21swapper/719:53:397
977372992221,0cyclictest0-21swapper/723:16:447
977372992221,0cyclictest0-21swapper/722:55:037
977372992221,0cyclictest0-21swapper/722:55:037
977372992221,0cyclictest0-21swapper/700:39:037
977372992221,0cyclictest0-21swapper/700:17:487
977367992220,2cyclictest1299819-21kworker/u16:4+events_unbound21:59:316
977367992220,2cyclictest1242130-21kworker/u16:3+events_unbound21:49:276
977363992220,2cyclictest1601595-21kworker/u16:1+flush-8:000:29:375
977363992220,2cyclictest1310483-21kworker/u16:5+flush-8:021:59:375
977355992220,2cyclictest991066-21kworker/u16:0+events_unbound20:52:404
977355992220,2cyclictest991066-21kworker/u16:0+events_unbound20:32:524
977355992220,2cyclictest991066-21kworker/u16:0+events_unbound20:32:524
977355992220,2cyclictest991066-21kworker/u16:0+events_unbound19:40:364
977355992220,2cyclictest1601595-21kworker/u16:1+events_unbound00:33:214
977355992220,2cyclictest1474526-21kworker/u16:1+events_unbound23:34:374
977355992220,2cyclictest1377585-21kworker/u16:4+flush-8:022:54:034
977355992220,2cyclictest1309944-21kworker/u16:3+events_unbound23:26:114
977355992220,2cyclictest1309944-21kworker/u16:3+events_unbound22:37:434
977355992220,2cyclictest1296654-21kworker/u16:1+events_unbound21:55:154
977372992121,0cyclictest0-21swapper/700:03:517
977372992120,0cyclictest0-21swapper/722:04:477
977372992120,0cyclictest0-21swapper/722:04:477
977372992120,0cyclictest0-21swapper/720:17:447
977372992120,0cyclictest0-21swapper/719:40:047
977372992120,0cyclictest0-21swapper/719:38:087
977372992120,0cyclictest0-21swapper/700:23:597
977372992118,2cyclictest1057477-21ntpq19:44:367
977367992119,2cyclictest1348782-21kworker/u16:2+events_unbound22:19:346
977367992119,2cyclictest1173273-21kworker/u16:1+events_unbound21:13:216
977363992119,2cyclictest1377585-21kworker/u16:4+flush-8:022:59:295
977355992119,2cyclictest991066-21kworker/u16:0+events_unbound19:57:284
977355992119,2cyclictest1474526-21kworker/u16:1+events_unbound23:55:384
977355992119,2cyclictest1425775-21kworker/u16:1+events_unbound23:14:514
977355992119,2cyclictest1425775-21kworker/u16:1+events_unbound23:12:224
977355992119,2cyclictest1406774-21kworker/u16:0+events_unbound22:59:424
977355992119,2cyclictest1309944-21kworker/u16:3+flush-8:023:22:434
977355992119,2cyclictest1226887-21kworker/u16:2+events_unbound21:37:224
977372992019,0cyclictest0-21swapper/721:13:587
977372992014,5cyclictest1599993-21latency_hist00:29:097
977367992018,2cyclictest938712-21kworker/u16:1+flush-8:019:29:306
977367992018,2cyclictest261336-21kworker/u16:4+flush-8:019:19:326
977367992018,2cyclictest1377585-21kworker/u16:4+events_unbound22:52:206
977367992018,2cyclictest1299819-21kworker/u16:4+events_unbound22:09:236
977367992017,3cyclictest1493833-21kworker/u16:0+flush-8:023:34:346
977367992017,2cyclictest1106914-21kworker/u16:3+flush-8:020:14:266
977363992018,2cyclictest991066-21kworker/u16:0+events_unbound21:04:365
977363992018,2cyclictest991066-21kworker/u16:0+events_unbound19:57:205
977363992018,2cyclictest1493833-21kworker/u16:0+flush-8:023:49:045
977363992018,2cyclictest1173273-21kworker/u16:1+events_unbound20:50:205
977355992018,2cyclictest991066-21kworker/u16:0+flush-8:020:39:374
977355992018,2cyclictest991066-21kworker/u16:0+events_unbound20:23:594
977355992018,2cyclictest991066-21kworker/u16:0+events_unbound20:03:514
977355992018,2cyclictest1571348-21kworker/u16:3+events_unbound00:21:044
977355992018,2cyclictest1377585-21kworker/u16:4+flush-8:022:42:474
977355992018,2cyclictest1242130-21kworker/u16:3+events_unbound21:43:024
977372991919,0cyclictest0-21swapper/719:11:237
977372991918,0cyclictest0-21swapper/722:42:287
977372991918,0cyclictest0-21swapper/721:31:557
977372991918,0cyclictest0-21swapper/720:20:487
977367991917,2cyclictest1601595-21kworker/u16:1+events_unbound00:35:206
977367991917,2cyclictest1561063-21kworker/u16:0+events_unbound00:08:166
977367991917,2cyclictest1377585-21kworker/u16:4+events_unbound22:56:196
977367991917,2cyclictest1377585-21kworker/u16:4+events_unbound22:56:196
977367991917,2cyclictest1242130-21kworker/u16:3+events_unbound21:29:296
977355991917,2cyclictest1203663-21kworker/u16:4+flush-8:021:12:314
977355991917,2cyclictest1129883-21kworker/u16:2+flush-8:020:26:364
977372991818,0cyclictest0-21swapper/721:50:477
977372991817,0cyclictest0-21swapper/723:54:377
977372991817,0cyclictest0-21swapper/723:12:387
977372991811,6cyclictest0-21swapper/722:59:357
977367991817,1cyclictest991066-21kworker/u16:0+flush-8:020:09:326
977367991816,2cyclictest1474526-21kworker/u16:1+flush-8:023:44:286
977367991816,2cyclictest1106914-21kworker/u16:3+events_unbound20:41:126
977363991816,2cyclictest1425775-21kworker/u16:1+events_unbound23:14:375
977355991816,2cyclictest991066-21kworker/u16:0+events_unbound21:20:044
977355991816,2cyclictest1338538-21kworker/u16:1+events_unbound22:46:504
977355991816,2cyclictest1309944-21kworker/u16:3+flush-8:022:30:124
977355991816,2cyclictest1309944-21kworker/u16:3+events_unbound22:21:084
977355991816,2cyclictest1226887-21kworker/u16:2+events_unbound21:27:514
977355991815,2cyclictest1173273-21kworker/u16:1+events_unbound21:29:194
977372991717,0cyclictest0-21swapper/722:36:087
977372991717,0cyclictest0-21swapper/720:11:447
977372991717,0cyclictest0-21swapper/719:17:467
977372991716,0cyclictest0-21swapper/723:30:117
977372991716,0cyclictest0-21swapper/700:05:387
977372991713,3cyclictest1267-21snmpd20:52:137
977367991715,2cyclictest991066-21kworker/u16:0+events_unbound21:19:276
977367991715,2cyclictest1173273-21kworker/u16:1+flush-8:021:00:196
977363991715,2cyclictest1464469-21kworker/u16:5+events_unbound23:27:295
977363991715,2cyclictest1425775-21kworker/u16:1+events_unbound23:09:345
977363991715,2cyclictest1173273-21kworker/u16:1+flush-8:020:59:305
977355991715,2cyclictest1493833-21kworker/u16:0+events_unbound23:42:124
977355991715,2cyclictest1493833-21kworker/u16:0+events_unbound23:42:124
977355991715,2cyclictest1406774-21kworker/u16:0+events_unbound22:57:494
977355991715,2cyclictest1406774-21kworker/u16:0+events_unbound22:57:494
977355991715,2cyclictest1173273-21kworker/u16:1+flush-8:021:04:344
977355991714,2cyclictest1571366-21kworker/u16:4+events_unbound00:24:104
977372991616,0cyclictest0-21swapper/723:34:427
977372991616,0cyclictest0-21swapper/720:43:027
977372991615,0cyclictest0-21swapper/700:09:187
977367991614,2cyclictest1561063-21kworker/u16:0+events_unbound00:29:266
977367991614,2cyclictest1338532-21kworker/u16:0+flush-8:022:14:276
977367991614,2cyclictest1226887-21kworker/u16:2+events_unbound21:27:376
977367991613,2cyclictest1068441-21kworker/u16:1+flush-8:019:59:206
977372991514,0cyclictest0-21swapper/723:19:137
977372991514,0cyclictest0-21swapper/700:31:337
977372991512,2cyclictest0-21swapper/723:44:367
977367991513,2cyclictest1406774-21kworker/u16:0+flush-8:023:14:346
977367991513,2cyclictest1309944-21kworker/u16:3+events_unbound23:04:356
977363991513,2cyclictest1338538-21kworker/u16:1+events_unbound22:31:245
977363991513,2cyclictest1226887-21kworker/u16:2+events_unbound21:17:335
977363991512,2cyclictest1310483-21kworker/u16:5+events_unbound22:04:165
977363991512,2cyclictest1310483-21kworker/u16:5+events_unbound22:04:165
977355991513,2cyclictest977128-21kworker/u16:2+flush-8:019:13:234
97737299146,7cyclictest0-21swapper/720:45:307
97737299143,9cyclictest1506488-21kthreadcore23:39:287
97737299143,9cyclictest1506488-21kthreadcore23:39:287
977372991414,0cyclictest0-21swapper/722:16:077
977372991413,0cyclictest0-21swapper/722:12:197
97737299140,13cyclictest1267-21snmpd21:26:117
977367991411,2cyclictest1173273-21kworker/u16:1+events_unbound21:14:126
977355991412,2cyclictest991066-21kworker/u16:0+events_unbound19:29:554
97737299139,3cyclictest1405433-21ntpq22:44:347
97737299139,3cyclictest1267-21snmpd21:34:507
97737299139,3cyclictest1096138-21ntp_states20:04:397
97737299138,4cyclictest1136827-21cat20:29:267
97737299138,4cyclictest1136827-21cat20:29:267
977372991310,2cyclictest0-21swapper/721:59:367
977367991311,2cyclictest1464469-21kworker/u16:5+flush-8:023:29:056
977367991311,2cyclictest1226887-21kworker/u16:2+flush-8:021:34:386
977355991311,2cyclictest1242130-21kworker/u16:3+flush-8:021:48:314
97737299128,3cyclictest1010398-21/usr/sbin/munin19:24:237
97737299120,4cyclictest1307382-21kthreadcore21:54:317
97737299120,11cyclictest1527594-21tr23:49:307
977367991210,2cyclictest1348782-21kworker/u16:2+flush-8:022:24:386
97736399120,12cyclictest0-21swapper/520:39:455
97736799119,2cyclictest1261314-21kworker/u16:0+events_unbound21:39:446
97736799110,0cyclictest0-21swapper/620:58:296
97736399119,2cyclictest991066-21kworker/u16:0+events_unbound20:04:485
977363991110,1cyclictest0-21swapper/520:46:315
97736799108,2cyclictest1039232-21kworker/u16:2+events_unbound20:05:296
9773679997,2cyclictest938712-21kworker/u16:1+events_unbound19:24:306
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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