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2025-11-30 - 21:49
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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 Nov 30, 2025 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1428807995750,5cyclictest2068332-21latency_hist20:37:597
142834625343,7sleep60-21swapper/615:21:546
1428807994840,7cyclictest589235-21systemd-journal18:29:457
1428806994744,2cyclictest727396-21kworker/u16:4+flush-8:016:22:596
142833624636,7sleep50-21swapper/515:21:455
1428803994543,2cyclictest1976468-21kworker/u16:5+flush-8:019:51:145
1428807994439,4cyclictest1755420-21latency_hist18:02:597
1428803994442,2cyclictest1786017-21kworker/u16:2+events_unbound18:46:155
1428803994442,2cyclictest1705128-21kworker/u16:4+events_unbound18:08:425
1428803994442,2cyclictest1504373-21kworker/u16:3+events_unbound16:06:145
1428801994442,2cyclictest1926738-21kworker/u16:2+events_unbound19:52:134
1428803994341,2cyclictest1936843-21kworker/u16:4+events_unbound19:42:135
14196132433,30sleep70-21swapper/715:18:187
1428803994239,2cyclictest1583930-21kworker/u16:1+flush-8:016:48:255
142838424232,7sleep40-21swapper/415:22:244
1428803994139,2cyclictest727396-21kworker/u16:4+flush-8:015:43:265
1428803994139,2cyclictest1680077-21kworker/u16:0+events_unbound19:25:135
1428803994139,2cyclictest1680077-21kworker/u16:0+events_unbound19:25:135
1428803994139,2cyclictest1680077-21kworker/u16:0+events_unbound17:56:145
1428803994139,2cyclictest1680077-21kworker/u16:0+events_unbound17:56:145
1428803994138,2cyclictest1786017-21kworker/u16:2+flush-8:019:18:055
1428803994038,2cyclictest1624626-21kworker/u16:5+flush-8:017:02:145
1428803993937,2cyclictest1786017-21kworker/u16:2+events_unbound18:59:135
1428806993836,2cyclictest727396-21kworker/u16:4+events_unbound15:43:286
1428803993836,2cyclictest1926738-21kworker/u16:2+flush-8:020:03:225
1428803993836,2cyclictest1905829-21kworker/u16:1+events_unbound19:57:145
1428803993836,2cyclictest1624626-21kworker/u16:5+events_unbound17:09:145
142880799370,35cyclictest1987517-21latency_hist19:57:587
1428806993735,2cyclictest1877446-21kworker/u16:3+events_unbound19:12:136
1428806993735,2cyclictest1705128-21kworker/u16:4+events_unbound17:58:286
1428803993735,2cyclictest727396-21kworker/u16:4+events_unbound16:09:145
1428803993735,2cyclictest2037010-21kworker/u16:5+events_unbound20:22:135
1428803993735,2cyclictest1452712-21kworker/u16:2+events_unbound15:33:145
1428801993735,2cyclictest727396-21kworker/u16:4+flush-8:016:21:144
1428806993634,2cyclictest1976468-21kworker/u16:5+events_unbound20:03:256
1428806993634,2cyclictest1877446-21kworker/u16:3+flush-8:019:28:256
1428803993635,1cyclictest1815647-21kworker/u16:4+flush-8:018:38:295
1428803993635,1cyclictest1815647-21kworker/u16:4+flush-8:018:38:295
1428803993634,2cyclictest2077505-21kworker/u16:1+flush-8:020:47:535
1428803993634,2cyclictest2016814-21kworker/u16:3+flush-8:020:13:595
1428801993634,2cyclictest1705128-21kworker/u16:4+flush-8:017:43:144
1428806993533,2cyclictest1705128-21kworker/u16:4+events_unbound18:11:096
1428806993533,2cyclictest1462926-21kworker/u16:1+events_unbound15:39:186
1428806993532,2cyclictest727396-21kworker/u16:4+events_unbound16:43:026
1428803993533,2cyclictest1504373-21kworker/u16:3+flush-8:016:33:245
1428807993429,4cyclictest1563695-21latency_hist16:27:597
1428806993432,2cyclictest1418253-21kworker/u16:0+events_unbound15:52:146
1428806993431,2cyclictest1680077-21kworker/u16:0+events_unbound17:38:096
1428801993432,2cyclictest727396-21kworker/u16:4+events_unbound16:00:144
1428801993432,2cyclictest1926738-21kworker/u16:2+flush-8:020:01:134
1428801993432,2cyclictest1418253-21kworker/u16:0+flush-8:015:46:134
1428806993331,2cyclictest2059429-21kworker/u16:0+events_unbound20:50:086
1428806993331,2cyclictest2037010-21kworker/u16:5+flush-8:020:22:586
1428806993331,2cyclictest1885644-21kworker/u16:4+flush-8:019:06:146
1428806993331,2cyclictest1428358-21kworker/u16:3+flush-8:015:23:106
1428803993331,2cyclictest2059429-21kworker/u16:0+events_unbound20:50:155
1428801993331,2cyclictest727396-21kworker/u16:4+flush-8:017:23:264
1428801993331,2cyclictest1786017-21kworker/u16:2+events_unbound18:50:104
1428801993331,2cyclictest1705128-21kworker/u16:4+flush-8:017:58:274
1428801993331,2cyclictest1502859-21kworker/u16:2+events_unbound15:54:094
1428807993227,4cyclictest1553618-21latency_hist16:22:597
1428806993230,2cyclictest1786017-21kworker/u16:2+flush-8:019:13:516
1428806993230,2cyclictest1418253-21kworker/u16:0+flush-8:015:31:026
1428803993230,2cyclictest1936843-21kworker/u16:4+flush-8:019:37:145
1428803993230,2cyclictest1786017-21kworker/u16:2+events_unbound19:12:585
1428801993230,2cyclictest1926738-21kworker/u16:2+events_unbound19:55:224
1428801993230,2cyclictest1877446-21kworker/u16:3+flush-8:019:28:254
1428801993230,2cyclictest1644873-21kworker/u16:2+events_unbound17:12:584
1428806993129,2cyclictest2027963-21kworker/u16:4+events_unbound20:29:096
1428806993129,2cyclictest1705128-21kworker/u16:4+flush-8:018:13:346
1428806993129,2cyclictest1680077-21kworker/u16:0+flush-8:019:00:026
1428803993129,2cyclictest1502859-21kworker/u16:2+events_unbound16:30:145
1428801993129,2cyclictest2016814-21kworker/u16:3+events_unbound20:49:544
1428801993129,2cyclictest1705128-21kworker/u16:4+events_unbound18:17:104
1428801993129,2cyclictest1624626-21kworker/u16:5+events_unbound17:29:584
1428807993028,1cyclictest0-21swapper/720:18:247
1428807993025,4cyclictest589235-21systemd-journal17:42:597
1428806993028,2cyclictest1734488-21kworker/u16:1+events_unbound17:54:226
1428806993028,2cyclictest1734488-21kworker/u16:1+events_unbound17:54:226
1428806993028,2cyclictest1680077-21kworker/u16:0+events_unbound19:49:586
1428806993028,2cyclictest1644153-21kworker/u16:1+flush-8:017:05:186
1428806993028,2cyclictest1452712-21kworker/u16:2+flush-8:015:34:036
1428806993027,2cyclictest1926738-21kworker/u16:2+flush-8:019:58:096
1428803993028,2cyclictest1452712-21kworker/u16:2+flush-8:015:32:545
1428803993026,3cyclictest1815621-21packagekitd18:29:295
1428801993028,2cyclictest727396-21kworker/u16:4+events_unbound15:32:184
1428801993028,2cyclictest2016814-21kworker/u16:3+events_unbound20:19:254
1428801993028,2cyclictest1936843-21kworker/u16:4+flush-8:019:38:144
1428801993028,2cyclictest1877446-21kworker/u16:3+events_unbound19:27:024
1428801993028,2cyclictest1877446-21kworker/u16:3+events_unbound19:27:024
1428801993028,2cyclictest1705128-21kworker/u16:4+events_unbound17:41:504
1428801993028,2cyclictest1502859-21kworker/u16:2+flush-8:016:12:104
1428801993028,2cyclictest1462926-21kworker/u16:1+flush-8:015:39:104
1428801993027,2cyclictest1504373-21kworker/u16:3+flush-8:016:03:154
1428806992927,2cyclictest2037010-21kworker/u16:5+flush-8:020:43:456
1428806992927,2cyclictest1905829-21kworker/u16:1+events_unbound19:57:106
1428806992927,2cyclictest1905829-21kworker/u16:1+events_unbound19:45:176
1428806992927,2cyclictest1680077-21kworker/u16:0+events_unbound18:22:426
1428806992927,2cyclictest1624626-21kworker/u16:5+flush-8:017:09:306
1428806992926,2cyclictest1418253-21kworker/u16:0+flush-8:016:03:006
1428803992927,2cyclictest727396-21kworker/u16:4+flush-8:016:22:395
1428803992927,2cyclictest1704981-21kworker/u16:2+events_unbound17:37:595
1428801992927,2cyclictest727396-21kworker/u16:4+flush-8:016:15:184
1428801992927,2cyclictest2059429-21kworker/u16:0+flush-8:020:34:024
1428801992927,2cyclictest2027963-21kworker/u16:4+events_unbound20:29:254
1428801992927,2cyclictest1951798-21kworker/u16:3+flush-8:019:43:534
1428801992927,2cyclictest1765416-21kworker/u16:1+flush-8:018:58:504
1428806992826,2cyclictest1926738-21kworker/u16:2+flush-8:019:25:416
1428806992826,2cyclictest1926738-21kworker/u16:2+flush-8:019:25:416
1428806992826,2cyclictest1786017-21kworker/u16:2+flush-8:018:52:416
1428806992826,2cyclictest1705128-21kworker/u16:4+flush-8:018:06:106
1428806992826,2cyclictest1680077-21kworker/u16:0+flush-8:019:21:336
1428806992826,2cyclictest1680077-21kworker/u16:0+events_unbound19:34:066
1428806992826,2cyclictest1680077-21kworker/u16:0+events_unbound17:52:096
1428806992826,2cyclictest1680077-21kworker/u16:0+events_unbound17:25:426
1428806992826,2cyclictest1554672-21kworker/u16:0+flush-8:016:42:136
1428806992826,2cyclictest1502859-21kworker/u16:2+events_unbound16:29:436
1428806992826,2cyclictest1502859-21kworker/u16:2+events_unbound16:25:026
1428806992826,2cyclictest1462926-21kworker/u16:1+events_unbound15:54:546
1428803992826,2cyclictest727396-21kworker/u16:4+flush-8:017:03:275
1428803992826,2cyclictest1926738-21kworker/u16:2+flush-8:020:31:135
1428801992826,2cyclictest2016814-21kworker/u16:3+flush-8:020:17:554
1428801992826,2cyclictest2007385-21kworker/u16:0+events_unbound20:10:574
1428801992826,2cyclictest2007385-21kworker/u16:0+events_unbound20:10:574
1428801992826,2cyclictest1857503-21kworker/u16:3+events_unbound18:55:034
1428801992826,2cyclictest1554672-21kworker/u16:0+flush-8:016:49:184
1428807992725,1cyclictest0-21swapper/719:03:267
1428806992725,2cyclictest727396-21kworker/u16:4+flush-8:016:00:036
1428806992725,2cyclictest1765416-21kworker/u16:1+flush-8:018:33:166
1428806992725,2cyclictest1644873-21kworker/u16:2+events_unbound17:16:226
1428806992725,2cyclictest1554672-21kworker/u16:0+events_unbound16:54:386
1428806992725,2cyclictest1502859-21kworker/u16:2+events_unbound16:16:556
1428803992725,2cyclictest727396-21kworker/u16:4+flush-8:017:16:095
1428801992725,2cyclictest2037010-21kworker/u16:5+events_unbound20:41:064
1428801992725,2cyclictest1885644-21kworker/u16:4+events_unbound19:06:024
1428801992725,2cyclictest1786017-21kworker/u16:2+flush-8:018:43:424
1428801992725,2cyclictest1694605-21kworker/u16:1+events_unbound17:34:304
1428801992725,2cyclictest1624626-21kworker/u16:5+events_unbound17:21:114
1428801992725,2cyclictest1554672-21kworker/u16:0+flush-8:016:42:184
1428801992725,2cyclictest1504373-21kworker/u16:3+flush-8:016:45:024
1428801992725,2cyclictest1504373-21kworker/u16:3+events_unbound16:31:114
1428801992725,2cyclictest1418253-21kworker/u16:0+events_unbound15:27:424
1428801992724,3cyclictest1905829-21kworker/u16:1+events_unbound20:06:034
1428807992621,4cyclictest1926933-21latency_hist19:27:597
1428807992621,4cyclictest1926933-21latency_hist19:27:597
1428806992624,2cyclictest727396-21kworker/u16:4+events_unbound17:19:536
1428806992624,2cyclictest2007385-21kworker/u16:0+events_unbound20:10:236
1428806992624,2cyclictest2007385-21kworker/u16:0+events_unbound20:10:236
1428806992624,2cyclictest1680077-21kworker/u16:0+flush-8:018:31:226
1428806992623,2cyclictest2027963-21kworker/u16:4+flush-8:020:33:066
1428801992624,2cyclictest1786017-21kworker/u16:2+events_unbound19:15:154
1428801992624,2cyclictest1705128-21kworker/u16:4+events_unbound18:05:034
1428801992624,2cyclictest1680077-21kworker/u16:0+flush-8:017:54:174
1428801992624,2cyclictest1680077-21kworker/u16:0+flush-8:017:54:174
1428806992523,2cyclictest2059429-21kworker/u16:0+flush-8:020:41:346
1428806992523,2cyclictest1905829-21kworker/u16:1+events_unbound20:15:306
1428806992523,2cyclictest1680077-21kworker/u16:0+flush-8:018:55:546
1428806992523,2cyclictest1680077-21kworker/u16:0+events_unbound17:30:346
1428803992523,2cyclictest2059429-21kworker/u16:0+flush-8:020:38:585
1428803992523,2cyclictest1786017-21kworker/u16:2+events_unbound18:50:145
1428803992523,2cyclictest1705128-21kworker/u16:4+events_unbound17:41:135
1428803992523,2cyclictest1680077-21kworker/u16:0+events_unbound18:26:125
1428803992523,2cyclictest1438686-21kworker/u16:1+flush-8:015:27:555
1428801992523,2cyclictest1786017-21kworker/u16:2+events_unbound19:09:584
1428801992523,2cyclictest1705128-21kworker/u16:4+events_unbound17:50:124
1428801992523,2cyclictest1680077-21kworker/u16:0+flush-8:018:18:284
1428801992523,2cyclictest1680077-21kworker/u16:0+events_unbound18:37:024
1428801992523,2cyclictest1680077-21kworker/u16:0+events_unbound18:08:484
1428801992523,2cyclictest1613177-21kworker/u16:2+events_unbound16:57:184
1428801992523,2cyclictest1554672-21kworker/u16:0+events_unbound16:25:434
1428801992522,3cyclictest2037010-21kworker/u16:5+events_unbound20:46:194
1428801992522,2cyclictest2037010-21kworker/u16:5+flush-8:020:23:084
1428807992423,0cyclictest0-21swapper/715:29:307
1428806992422,2cyclictest1815647-21kworker/u16:4+flush-8:018:42:126
1428806992422,2cyclictest1815647-21kworker/u16:4+flush-8:018:42:126
1428806992422,2cyclictest1705127-21kworker/u16:3+events_unbound17:44:386
1428806992422,2cyclictest1504373-21kworker/u16:3+flush-8:016:37:116
1428806992422,2cyclictest1504373-21kworker/u16:3+events_unbound16:50:126
1428806992421,2cyclictest1504373-21kworker/u16:3+events_unbound16:08:076
1428803992422,2cyclictest2007385-21kworker/u16:0+flush-8:020:11:555
1428803992422,2cyclictest2007385-21kworker/u16:0+flush-8:020:11:555
1428803992422,2cyclictest1504373-21kworker/u16:3+flush-8:016:39:145
1428801992422,2cyclictest727396-21kworker/u16:4+events_unbound17:15:074
1428801992422,2cyclictest1418253-21kworker/u16:0+events_unbound15:33:554
1428801992421,2cyclictest1786017-21kworker/u16:2+events_unbound18:27:594
1428806992321,2cyclictest1624626-21kworker/u16:5+events_unbound17:37:426
1428806992320,2cyclictest1624618-21kworker/u16:1+flush-8:016:58:106
1428803992321,2cyclictest1680077-21kworker/u16:0+flush-8:019:04:105
1428803992321,2cyclictest1583930-21kworker/u16:1+flush-8:016:43:305
1428803992320,3cyclictest1765416-21kworker/u16:1+flush-8:018:13:185
1428803992320,2cyclictest1680077-21kworker/u16:0+events_unbound17:28:015
1428801992321,2cyclictest1815647-21kworker/u16:4+flush-8:018:38:244
1428801992321,2cyclictest1815647-21kworker/u16:4+flush-8:018:38:244
16771512220,1chrt1676425-21kthreadcore17:23:177
1428807992222,0cyclictest0-21swapper/716:51:257
1428806992219,2cyclictest1680077-21kworker/u16:0+events_unbound18:23:066
1428803992220,2cyclictest1786017-21kworker/u16:2+flush-8:019:13:145
1428803992220,2cyclictest1754282-21kworker/u16:2+flush-8:018:03:155
1428803992220,2cyclictest1680077-21kworker/u16:0+flush-8:018:18:275
1428803992219,2cyclictest727396-21kworker/u16:4+flush-8:015:58:155
1428801992220,2cyclictest1680077-21kworker/u16:0+flush-8:018:26:234
1428801992220,2cyclictest1418253-21kworker/u16:0+flush-8:015:48:434
1428801992219,2cyclictest1554672-21kworker/u16:0+flush-8:016:58:024
1428806992119,2cyclictest2037010-21kworker/u16:5+flush-8:020:23:106
1428801992119,2cyclictest1936843-21kworker/u16:4+flush-8:019:34:544
1428801992119,2cyclictest1504373-21kworker/u16:3+events_unbound16:35:584
1428807992019,0cyclictest0-21swapper/720:10:247
1428807992019,0cyclictest0-21swapper/720:10:247
1428807992019,0cyclictest0-21swapper/719:49:097
1428807992019,0cyclictest0-21swapper/719:22:547
1428807992019,0cyclictest0-21swapper/718:48:257
1428806992018,2cyclictest1926738-21kworker/u16:2+flush-8:019:41:386
1428803992018,2cyclictest1976468-21kworker/u16:5+flush-8:020:01:095
1428803992018,2cyclictest1680077-21kworker/u16:0+flush-8:017:48:245
1428803992018,2cyclictest1554672-21kworker/u16:0+events_unbound16:56:145
1428803992018,2cyclictest1522455-21kworker/u16:1+flush-8:016:14:095
1428801992018,2cyclictest1554672-21kworker/u16:0+events_unbound17:07:054
1428807991918,0cyclictest0-21swapper/719:35:017
1428807991918,0cyclictest0-21swapper/718:08:047
1428807991918,0cyclictest0-21swapper/716:41:127
1428807991914,4cyclictest1543589-21latency_hist16:17:597
1428806991917,2cyclictest1680077-21kworker/u16:0+events_unbound18:44:066
1428803991916,2cyclictest1680077-21kworker/u16:0+flush-8:018:55:495
1428801991917,2cyclictest1905829-21kworker/u16:1+flush-8:019:20:344
1428807991817,0cyclictest0-21swapper/715:48:577
1428803991816,2cyclictest1680077-21kworker/u16:0+flush-8:019:43:235
1428807991716,0cyclictest0-21swapper/719:30:077
1428807991716,0cyclictest0-21swapper/718:35:517
1428807991716,0cyclictest0-21swapper/716:45:077
1428807991716,0cyclictest0-21swapper/716:08:227
1428807991716,0cyclictest0-21swapper/715:53:307
1428807991716,0cyclictest0-21swapper/715:40:017
1428807991714,2cyclictest4175659-21snmpd17:15:367
1428807991711,5cyclictest1876529-21latency_hist19:02:597
142880799170,1cyclictest0-21swapper/719:08:247
1428803991715,2cyclictest727396-21kworker/u16:4+events_unbound17:24:135
1428803991714,2cyclictest1554672-21kworker/u16:0+flush-8:016:25:445
1428807991616,0cyclictest0-21swapper/718:43:057
1428807991615,0cyclictest0-21swapper/720:03:417
1428807991615,0cyclictest0-21swapper/717:44:567
1428807991614,1cyclictest0-21swapper/719:13:197
1428807991614,1cyclictest0-21swapper/718:41:237
1428807991614,1cyclictest0-21swapper/718:41:237
1428807991611,4cyclictest589235-21systemd-journal15:23:097
1428807991611,4cyclictest1805805-21latency_hist18:27:597
142880799160,15cyclictest1954598-21grep19:38:227
1428803991614,2cyclictest1786017-21kworker/u16:2+flush-8:018:33:285
1428803991614,2cyclictest1705128-21kworker/u16:4+flush-8:017:59:105
1428807991515,0cyclictest0-21swapper/716:32:087
1428807991514,0cyclictest0-21swapper/717:55:477
1428807991514,0cyclictest0-21swapper/717:55:477
1428807991514,0cyclictest0-21swapper/717:51:517
1428807991514,0cyclictest0-21swapper/717:09:117
1428807991514,0cyclictest0-21swapper/716:34:417
1428807991514,0cyclictest0-21swapper/715:58:327
1428807991513,1cyclictest2058207-21latency_hist20:32:597
1428807991512,2cyclictest0-21swapper/717:07:597
142880799150,1cyclictest0-21swapper/719:43:237
1428803991513,2cyclictest727396-21kworker/u16:4+flush-8:017:18:255
1428803991513,2cyclictest1926738-21kworker/u16:2+flush-8:020:33:145
1428803991513,2cyclictest1926738-21kworker/u16:2+flush-8:020:23:215
1428807991414,0cyclictest0-21swapper/720:45:047
1428807991414,0cyclictest0-21swapper/715:45:287
1428807991413,0cyclictest0-21swapper/717:21:337
1428807991411,2cyclictest1765484-21munin-run18:07:597
142880799140,1cyclictest0-21swapper/717:33:227
142880799140,12cyclictest2048360-21latency_hist20:27:597
142880799140,12cyclictest0-21swapper/720:48:257
1428803991412,2cyclictest1877446-21kworker/u16:3+flush-8:019:28:535
1428803991412,2cyclictest1705128-21kworker/u16:4+events_unbound17:47:185
1428803991412,2cyclictest1418253-21kworker/u16:0+events_unbound15:40:345
142880799133,1cyclictest0-21swapper/718:13:247
142880799130,12cyclictest96-21ksoftirqd/716:58:157
142880799129,2cyclictest4175659-21snmpd16:06:417
142880799127,4cyclictest984960-21gvfsd-wsdd17:28:277
142880799125,6cyclictest0-21swapper/718:53:487
142880799125,6cyclictest0-21swapper/716:56:187
1428807991210,1cyclictest0-21swapper/720:13:197
142880799120,10cyclictest4175659-21snmpd19:59:257
1428803991210,2cyclictest1462926-21kworker/u16:1+flush-8:015:48:255
1428803991210,2cyclictest1418253-21kworker/u16:0+flush-8:015:53:185
142880799111,1cyclictest0-21swapper/715:33:177
142880799109,1cyclictest0-21swapper/718:18:197
142880799107,2cyclictest4175659-21snmpd20:38:047
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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