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2026-09-23 - 05:55
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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 Wed Sep 23, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
157405621000,1sleep71574059-21cut19:34:307
151907427665,7sleep50-21swapper/519:06:245
1519543995755,2cyclictest1842783-21kworker/u16:3+events_unbound21:59:115
151904825420,29sleep70-21swapper/719:06:027
1519548995144,5cyclictest1630360-21latency_hist20:04:117
1519545995048,2cyclictest2169366-21kworker/u16:5+events_unbound00:09:446
1519545994643,2cyclictest1565486-21kworker/u16:0+events_unbound19:34:286
1519543994644,2cyclictest1690177-21kworker/u16:0+events_unbound22:29:285
1519543994543,2cyclictest1948514-21kworker/u16:1+flush-8:022:49:445
1519543994543,2cyclictest1948514-21kworker/u16:1+events_unbound23:04:435
151925124534,8sleep40-21swapper/419:08:564
1519545994442,2cyclictest1690177-21kworker/u16:0+events_unbound21:44:456
1519543994341,2cyclictest87876-21kworker/u16:5+flush-8:020:19:435
1519543994339,3cyclictest1690177-21kworker/u16:0+flush-8:021:34:365
1519545994139,2cyclictest1690177-21kworker/u16:0+events_unbound22:19:486
1519543994139,2cyclictest1529152-21kworker/u16:3+flush-8:020:04:405
1519545994038,2cyclictest1746646-21kworker/u16:1+events_unbound22:04:246
1519545994037,2cyclictest1746646-21kworker/u16:1+events_unbound21:24:326
1519545994037,2cyclictest1565486-21kworker/u16:0+flush-8:020:04:366
1519543994038,2cyclictest2169366-21kworker/u16:5+flush-8:000:14:435
1519543994038,2cyclictest1842783-21kworker/u16:3+flush-8:021:54:455
1519543994038,2cyclictest1565486-21kworker/u16:0+flush-8:019:44:265
16077352390,0chrt0-21swapper/419:49:334
1519545993836,2cyclictest1690177-21kworker/u16:0+flush-8:023:49:406
1519545993836,2cyclictest1690177-21kworker/u16:0+flush-8:023:49:406
1519545993836,2cyclictest1690177-21kworker/u16:0+events_unbound21:49:116
1519545993836,2cyclictest1690177-21kworker/u16:0+events_unbound21:49:116
1519543993836,2cyclictest1948514-21kworker/u16:1+events_unbound22:44:435
1519543993836,2cyclictest1842783-21kworker/u16:3+events_unbound21:47:295
1519543993836,2cyclictest1690177-21kworker/u16:0+events_unbound23:44:085
1519543993836,2cyclictest1529152-21kworker/u16:3+events_unbound19:29:415
1519545993735,2cyclictest1948514-21kworker/u16:1+flush-8:022:44:516
1519545993735,2cyclictest1690177-21kworker/u16:0+events_unbound21:04:106
1519543993735,2cyclictest2217371-21kworker/u16:0+flush-8:000:24:555
1519543993735,2cyclictest1948514-21kworker/u16:1+events_unbound22:34:395
1519543993735,2cyclictest1690177-21kworker/u16:0+flush-8:022:21:245
1519543993735,2cyclictest1690177-21kworker/u16:0+events_unbound23:36:235
1519545993634,2cyclictest1756847-21kworker/u16:2+events_unbound21:14:126
1519543993634,2cyclictest1948514-21kworker/u16:1+events_unbound00:14:005
1519543993633,2cyclictest1690177-21kworker/u16:0+events_unbound23:29:115
1519543993533,2cyclictest2085372-21kworker/u16:2+flush-8:023:58:005
1519543993533,2cyclictest1690177-21kworker/u16:0+flush-8:021:24:245
1519543993532,2cyclictest1690177-21kworker/u16:0+events_unbound20:44:125
1519545993432,2cyclictest1948514-21kworker/u16:1+flush-8:023:29:436
1519545993432,2cyclictest1948514-21kworker/u16:1+flush-8:022:49:406
1519545993432,2cyclictest1948514-21kworker/u16:1+events_unbound23:35:326
1519545993432,2cyclictest1902407-21kworker/u16:2+events_unbound22:37:086
1519545993432,2cyclictest1842783-21kworker/u16:3+events_unbound23:10:006
1519545993432,2cyclictest1756847-21kworker/u16:2+events_unbound21:43:096
1519545993432,2cyclictest1690177-21kworker/u16:0+events_unbound23:41:396
1519545993432,2cyclictest1690177-21kworker/u16:0+events_unbound20:54:246
1519545993432,2cyclictest1519318-21kworker/u16:2+flush-8:019:14:396
1519545993431,2cyclictest1948514-21kworker/u16:1+flush-8:000:14:116
1519543993432,2cyclictest1690177-21kworker/u16:0+events_unbound23:29:075
1519543993432,2cyclictest1690177-21kworker/u16:0+events_unbound21:53:095
1519543993432,2cyclictest1690177-21kworker/u16:0+events_unbound21:53:095
1519537993432,2cyclictest1690177-21kworker/u16:0+events_unbound23:48:434
1519545993331,2cyclictest2085372-21kworker/u16:2+events_unbound23:58:086
1519545993331,2cyclictest1948514-21kworker/u16:1+events_unbound00:32:516
1519545993331,2cyclictest1948514-21kworker/u16:1+events_unbound00:32:516
1519543993331,2cyclictest2217371-21kworker/u16:0+flush-8:000:19:395
1519543993331,2cyclictest1842783-21kworker/u16:3+flush-8:022:10:295
1519543993331,2cyclictest1842783-21kworker/u16:3+events_unbound22:54:435
1519543993331,2cyclictest1690177-21kworker/u16:0+flush-8:023:23:005
1519537993331,2cyclictest87876-21kworker/u16:5+events_unbound20:59:444
1519537993331,2cyclictest2023633-21kworker/u16:2+events_unbound23:08:324
1519537993331,2cyclictest1756847-21kworker/u16:2+events_unbound21:40:594
1519545993230,2cyclictest1948514-21kworker/u16:1+flush-8:000:23:156
1519545993230,2cyclictest1690177-21kworker/u16:0+events_unbound23:26:116
1519543993230,2cyclictest1865871-21kworker/u16:4+flush-8:022:08:575
1519543993230,2cyclictest1842783-21kworker/u16:3+flush-8:022:42:445
1519543993230,2cyclictest1842783-21kworker/u16:3+events_unbound23:10:525
1519543993230,2cyclictest1690177-21kworker/u16:0+flush-8:023:14:395
1519543993230,2cyclictest1690177-21kworker/u16:0+events_unbound21:39:275
1519543993230,2cyclictest1640260-21kworker/u16:1+flush-8:020:14:365
1519537993230,2cyclictest1842783-21kworker/u16:3+events_unbound22:59:424
1519537993230,2cyclictest1842783-21kworker/u16:3+events_unbound22:19:384
1519537993230,2cyclictest1690177-21kworker/u16:0+events_unbound22:30:234
151918823222,7sleep60-21swapper/619:08:016
20414622310,1chrt2040446-21kthreadcore23:04:337
1519545993130,1cyclictest1842783-21kworker/u16:3+events_unbound22:01:046
1519545993129,2cyclictest1948514-21kworker/u16:1+events_unbound23:00:566
1519545993129,2cyclictest1948514-21kworker/u16:1+events_unbound00:06:406
1519545993129,2cyclictest1865871-21kworker/u16:4+flush-8:022:09:276
1519545993129,2cyclictest1842783-21kworker/u16:3+events_unbound21:56:566
1519545993129,2cyclictest1746646-21kworker/u16:1+flush-8:021:09:336
1519545993129,2cyclictest1746646-21kworker/u16:1+events_unbound21:29:336
1519543993130,1cyclictest1690177-21kworker/u16:0+events_unbound22:18:245
1519543993129,2cyclictest2169366-21kworker/u16:5+flush-8:000:09:105
1519543993129,2cyclictest2085372-21kworker/u16:2+events_unbound23:48:245
1519543993129,2cyclictest1948514-21kworker/u16:1+flush-8:023:01:005
1519543993129,2cyclictest1756847-21kworker/u16:2+flush-8:021:16:135
1519543993129,2cyclictest1690177-21kworker/u16:0+flush-8:022:26:315
1519543993128,2cyclictest2085372-21kworker/u16:2+flush-8:023:49:195
1519543993128,2cyclictest2085372-21kworker/u16:2+flush-8:023:49:195
1519537993129,2cyclictest2169052-21kworker/u16:3+events_unbound00:08:314
1519537993129,2cyclictest1756847-21kworker/u16:2+events_unbound21:56:154
1519537993129,2cyclictest1690177-21kworker/u16:0+events_unbound23:33:134
1519545993028,2cyclictest1842783-21kworker/u16:3+events_unbound23:07:436
1519545993028,2cyclictest1842783-21kworker/u16:3+events_unbound22:58:046
1519545993028,2cyclictest1690177-21kworker/u16:0+flush-8:023:15:406
1519543993028,2cyclictest2253689-21kworker/u16:3+events_unbound00:37:275
1519543993028,2cyclictest2229828-21kworker/u16:2+flush-8:000:30:395
1519543993028,2cyclictest2229828-21kworker/u16:2+flush-8:000:30:395
1519543993028,2cyclictest1690177-21kworker/u16:0+flush-8:021:11:365
1519537993028,2cyclictest1690177-21kworker/u16:0+events_unbound20:51:324
1519537993028,2cyclictest1565486-21kworker/u16:0+events_unbound19:59:414
19835212290,1chrt1979856-21kthreadcore22:39:337
1519548992927,1cyclictest1902405-21cat22:09:107
1519545992927,2cyclictest87876-21kworker/u16:5+events_unbound20:27:496
1519545992927,2cyclictest1746646-21kworker/u16:1+events_unbound21:37:246
1519545992927,2cyclictest1690177-21kworker/u16:0+flush-8:023:20:476
1519545992927,2cyclictest1690177-21kworker/u16:0+events_unbound22:44:046
1519545992927,2cyclictest1690177-21kworker/u16:0+events_unbound22:16:316
1519543992927,2cyclictest1948514-21kworker/u16:1+events_unbound00:00:315
1519543992927,2cyclictest1690177-21kworker/u16:0+flush-8:021:19:125
1519543992927,2cyclictest1690177-21kworker/u16:0+events_unbound21:30:475
1519537992927,2cyclictest1948514-21kworker/u16:1+events_unbound22:47:274
1519537992927,2cyclictest1842783-21kworker/u16:3+events_unbound22:56:584
1519537992927,2cyclictest1690177-21kworker/u16:0+flush-8:021:04:464
1519537992927,2cyclictest1640260-21kworker/u16:1+events_unbound20:22:564
1519537992927,2cyclictest1519318-21kworker/u16:2+events_unbound19:28:564
1519545992826,2cyclictest1948514-21kworker/u16:1+events_unbound00:35:436
1519545992826,2cyclictest1690177-21kworker/u16:0+flush-8:022:32:406
1519545992826,2cyclictest1690177-21kworker/u16:0+flush-8:021:23:126
1519543992826,2cyclictest1690177-21kworker/u16:0+events_unbound20:57:205
1519543992825,2cyclictest87876-21kworker/u16:5+flush-8:020:59:215
1519537992826,2cyclictest1948514-21kworker/u16:1+events_unbound23:22:424
1519537992826,2cyclictest1948514-21kworker/u16:1+events_unbound00:32:594
1519537992826,2cyclictest1948514-21kworker/u16:1+events_unbound00:32:594
1519537992826,2cyclictest1948514-21kworker/u16:1+events_unbound00:25:454
1519537992826,2cyclictest1746646-21kworker/u16:1+events_unbound21:11:384
1519537992826,2cyclictest1690177-21kworker/u16:0+flush-8:021:15:424
1519537992826,2cyclictest1690177-21kworker/u16:0+events_unbound22:52:504
1519537992826,2cyclictest1690177-21kworker/u16:0+events_unbound21:32:584
1519537992825,2cyclictest1640260-21kworker/u16:1+events_unbound20:09:234
1519545992725,2cyclictest2217371-21kworker/u16:0+events_unbound00:25:556
1519545992725,2cyclictest2169052-21kworker/u16:3+events_unbound00:03:196
1519545992725,2cyclictest1640260-21kworker/u16:1+events_unbound20:30:206
1519545992725,2cyclictest1529152-21kworker/u16:3+flush-8:019:59:356
1519545992725,2cyclictest1529152-21kworker/u16:3+events_unbound19:22:216
1519543992725,2cyclictest87876-21kworker/u16:5+events_unbound19:14:245
1519543992725,2cyclictest1640260-21kworker/u16:1+events_unbound20:09:355
1519537992725,2cyclictest2085372-21kworker/u16:2+events_unbound23:43:134
1519537992725,2cyclictest1756847-21kworker/u16:2+flush-8:021:23:534
1519537992725,2cyclictest1690177-21kworker/u16:0+events_unbound21:28:594
1519537992725,2cyclictest1690177-21kworker/u16:0+events_unbound20:44:344
1519537992725,2cyclictest1529152-21kworker/u16:3+flush-8:019:56:414
1519537992725,2cyclictest1519318-21kworker/u16:2+flush-8:019:14:394
151954899260,25cyclictest2229440-21latency_hist00:24:097
1519545992624,2cyclictest1690177-21kworker/u16:0+events_unbound23:46:366
1519543992624,2cyclictest1690177-21kworker/u16:0+events_unbound20:50:205
1519543992623,2cyclictest1640260-21kworker/u16:1+flush-8:020:29:205
1519537992624,2cyclictest87876-21kworker/u16:5+events_unbound20:31:284
1519537992624,2cyclictest2085372-21kworker/u16:2+events_unbound23:26:584
1519537992624,2cyclictest1948514-21kworker/u16:1+flush-8:000:15:434
1519537992624,2cyclictest1948514-21kworker/u16:1+flush-8:000:02:364
1519537992624,2cyclictest1948514-21kworker/u16:1+events_unbound23:35:474
1519537992624,2cyclictest1865871-21kworker/u16:4+events_unbound22:08:184
1519537992624,2cyclictest1746646-21kworker/u16:1+events_unbound21:47:334
1519537992624,2cyclictest1690177-21kworker/u16:0+events_unbound23:58:144
1519537992624,2cyclictest1640260-21kworker/u16:1+events_unbound20:38:014
1519537992624,2cyclictest1565486-21kworker/u16:0+flush-8:020:04:314
1519537992624,2cyclictest1565486-21kworker/u16:0+events_unbound19:42:564
1519537992624,2cyclictest1565486-21kworker/u16:0+events_unbound19:42:564
1519548992520,4cyclictest2132540-21latency_hist23:44:107
1519545992523,2cyclictest1690177-21kworker/u16:0+flush-8:022:24:456
1519545992523,2cyclictest1640260-21kworker/u16:1+events_unbound20:36:216
1519545992523,2cyclictest1519318-21kworker/u16:2+flush-8:019:29:266
1519543992523,2cyclictest1690177-21kworker/u16:0+flush-8:020:39:315
1519543992523,2cyclictest1565486-21kworker/u16:0+flush-8:019:59:065
1519543992523,2cyclictest1565486-21kworker/u16:0+flush-8:019:34:335
1519543992523,2cyclictest1519318-21kworker/u16:2+events_unbound19:24:405
1519537992523,2cyclictest2217371-21kworker/u16:0+flush-8:000:21:534
1519537992523,2cyclictest2169366-21kworker/u16:5+events_unbound00:13:484
1519537992523,2cyclictest1948514-21kworker/u16:1+events_unbound00:37:564
1519537992523,2cyclictest1640260-21kworker/u16:1+events_unbound20:27:364
1519537992523,2cyclictest1529152-21kworker/u16:3+flush-8:020:17:514
1519537992523,2cyclictest1529152-21kworker/u16:3+events_unbound19:36:554
1519545992422,2cyclictest1529152-21kworker/u16:3+events_unbound19:49:356
1519537992422,2cyclictest1948514-21kworker/u16:1+events_unbound22:36:424
1519537992422,2cyclictest1690177-21kworker/u16:0+events_unbound22:28:304
1519537992422,2cyclictest1690177-21kworker/u16:0+events_unbound20:59:014
1519537992422,2cyclictest1519318-21kworker/u16:2+flush-8:019:23:044
1519537992422,2cyclictest1519318-21kworker/u16:2+events_unbound19:12:334
1519548992317,5cyclictest1640075-21latency_hist20:09:117
1519545992321,2cyclictest1690177-21kworker/u16:0+events_unbound21:04:346
1519537992321,2cyclictest1948514-21kworker/u16:1+events_unbound22:39:364
1519537992321,2cyclictest1842783-21kworker/u16:3+events_unbound22:13:584
1519537992321,2cyclictest1690177-21kworker/u16:0+events_unbound23:50:424
1519537992321,2cyclictest1690177-21kworker/u16:0+events_unbound23:50:424
1519537992321,2cyclictest1690177-21kworker/u16:0+events_unbound21:49:584
1519537992321,2cyclictest1690177-21kworker/u16:0+events_unbound21:49:584
1519537992321,2cyclictest1640260-21kworker/u16:1+events_unbound20:44:044
1519537992320,2cyclictest1690177-21kworker/u16:0+events_unbound21:39:114
1519537992220,2cyclictest1842783-21kworker/u16:3+flush-8:023:10:484
1519537992220,2cyclictest1690177-21kworker/u16:0+flush-8:022:03:444
1519537992220,2cyclictest1529152-21kworker/u16:3+events_unbound19:32:524
19156022210,0sleep71915603-21fschecks_time22:14:247
1519548992116,4cyclictest2253653-21latency_hist00:34:107
1519548992116,4cyclictest2253653-21latency_hist00:34:107
1519545992119,2cyclictest1529152-21kworker/u16:3+events_unbound20:49:446
1519543992119,2cyclictest1640260-21kworker/u16:1+flush-8:020:24:345
1519537992119,2cyclictest1902407-21kworker/u16:2+events_unbound22:15:424
1519537992119,2cyclictest1529152-21kworker/u16:3+events_unbound19:46:514
1519548992016,3cyclictest1727446-21/usr/sbin/munin20:54:117
1519543992018,2cyclictest1690177-21kworker/u16:0+events_unbound20:34:325
1519545991917,2cyclictest1565486-21kworker/u16:0+flush-8:019:39:356
1519545991917,2cyclictest1565486-21kworker/u16:0+flush-8:019:39:356
1519543991916,2cyclictest1565486-21kworker/u16:0+flush-8:019:59:255
1519548991816,1cyclictest1961840-21ssh22:32:117
1519537991816,2cyclictest1948514-21kworker/u16:1+flush-8:023:17:174
1519548991716,0cyclictest0-21swapper/722:35:037
1519548991716,0cyclictest0-21swapper/700:00:437
1519548991715,1cyclictest1779156-21ssh21:15:527
1519548991712,4cyclictest1878022-21latency_hist21:59:107
1519548991712,4cyclictest1841589-21latency_hist21:44:107
1519545991715,2cyclictest1690177-21kworker/u16:0+events_unbound20:49:096
1519545991715,2cyclictest1640260-21kworker/u16:1+flush-8:020:19:396
151954899169,5cyclictest645-21systemd-journal20:59:107
1519548991615,0cyclictest0-21swapper/723:31:077
1519548991615,0cyclictest0-21swapper/719:31:587
1519548991613,2cyclictest2238634-21ntp_states00:24:397
1519548991613,2cyclictest0-21swapper/723:24:407
1519548991612,3cyclictest1274-21snmpd20:21:567
1519545991614,2cyclictest1529152-21kworker/u16:3+events_unbound19:27:226
1519543991614,2cyclictest1746646-21kworker/u16:1+flush-8:021:04:305
1519543991614,2cyclictest1519318-21kworker/u16:2+flush-8:019:13:415
1519548991514,0cyclictest0-21swapper/720:39:177
1519548991512,1cyclictest0-21swapper/720:09:377
1519548991511,3cyclictest1602317-21cat19:49:277
1519548991510,4cyclictest2061175-21cat23:14:267
151954899150,13cyclictest1274-21snmpd23:11:037
1519545991513,2cyclictest1529152-21kworker/u16:3+events_unbound19:46:496
1519543991513,2cyclictest1565486-21kworker/u16:0+events_unbound19:41:325
1519543991513,2cyclictest1565486-21kworker/u16:0+events_unbound19:41:325
1519543991513,2cyclictest1529152-21kworker/u16:3+flush-8:019:49:265
151954899149,4cyclictest1842903-21cat21:44:277
1519548991413,0cyclictest0-21swapper/722:11:207
1519548991413,0cyclictest0-21swapper/720:38:057
1519548991413,0cyclictest0-21swapper/720:30:457
1519548991412,1cyclictest2140359-21ssh23:44:357
1519548991412,1cyclictest1756650-21diskmemload00:35:247
1519548991411,2cyclictest1274-21snmpd19:27:347
1519548991411,2cyclictest0-21swapper/722:24:387
1519548991411,2cyclictest0-21swapper/720:24:357
151954899140,1cyclictest0-21swapper/719:09:437
1519545991412,2cyclictest1640260-21kworker/u16:1+flush-8:020:14:326
1519545991412,2cyclictest1565486-21kworker/u16:0+flush-8:019:54:316
151954599140,14cyclictest0-21swapper/620:09:266
151954899138,4cyclictest2109638-21cat23:34:257
1519548991313,0cyclictest0-21swapper/722:56:097
1519548991312,0cyclictest0-21swapper/719:14:427
1519548991311,1cyclictest0-21swapper/721:49:317
1519548991311,1cyclictest0-21swapper/721:49:317
1519548991310,2cyclictest0-21swapper/721:24:407
1519543991311,2cyclictest87876-21kworker/u16:5+flush-8:019:19:165
151954899129,2cyclictest2159535-21kthreadcore23:54:297
151954899129,2cyclictest1274-21snmpd22:21:387
151954899129,2cyclictest0-21swapper/722:59:357
151954899129,2cyclictest0-21swapper/721:59:117
151954899129,2cyclictest0-21swapper/721:09:107
151954899128,3cyclictest1274-21snmpd23:49:197
151954899128,3cyclictest1274-21snmpd23:49:197
151954899128,3cyclictest1274-21snmpd21:03:187
151954899126,5cyclictest6241-21gvfs-afc-volume00:13:247
1519548991212,0cyclictest0-21swapper/721:13:597
1519548991211,0cyclictest0-21swapper/720:14:217
1519548991211,0cyclictest0-21swapper/719:21:177
1519545991211,1cyclictest0-21swapper/620:41:086
151954899119,1cyclictest2217355-21idleruntime-cro00:19:107
151954899119,1cyclictest1816378-21ssh21:32:327
151954899118,2cyclictest1274-21snmpd19:44:467
151954899118,2cyclictest0-21swapper/723:19:257
151954899117,3cyclictest1274-21snmpd00:06:177
151954899116,4cyclictest1582843-21cat19:39:267
151954899116,4cyclictest1582843-21cat19:39:267
151954899115,5cyclictest6050-21gmain22:52:397
151954899114,6cyclictest6241-21gvfs-afc-volume21:34:387
1519548991111,0cyclictest0-21swapper/721:22:017
151954899110,9cyclictest1988449-21cat22:44:277
151954599119,2cyclictest1519318-21kworker/u16:2+events_unbound19:13:226
151954899107,2cyclictest1274-21snmpd20:44:207
151954899104,4cyclictest1611290-21grep19:54:237
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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