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2024-07-27 - 03:48
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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 rackcslot4.osadl.org (updated Fri Jul 26, 2024 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
40236672273195,28sleep00-21swapper/007:06:530
40236042256181,60sleep10-21swapper/107:06:141
173382590,5sleep00-21swapper/012:18:320
40752242570,4sleep00-21swapper/009:12:290
4024074995614,23cyclictest28994-21apt-get12:35:101
4024074995514,22cyclictest4084460-21apt-get09:25:131
402407499549,11cyclictest21511-21munin-run12:25:001
4024074995311,13cyclictest4040641-21/usr/sbin/munin07:50:011
4024074995210,13cyclictest4124564-21dpkg10:20:021
40341942510,3sleep14032934-21/usr/sbin/munin07:30:281
4024074995113,12cyclictest4153791-21apt-get11:00:131
4024074995110,12cyclictest4157709-21apt-get11:05:141
4024074995016,13cyclictest4031489-21cat07:25:181
402407099508,23cyclictest4080853-21apt-get09:20:130
4024074994910,21cyclictest4091758-21apt-get09:35:111
4024074994910,13cyclictest4150122-21apt-get10:55:101
402407099499,21cyclictest21745-21apt-get12:25:110
402407099499,21cyclictest21745-21apt-get12:25:110
4024074994812,20cyclictest4128182-21apt-get10:25:101
4024074994811,11cyclictest4050961-21apt-get08:15:171
402407099488,23cyclictest4066926-21apt-get08:55:130
402407099486,23cyclictest4157086-21apt-get11:05:210
4024074994713,10cyclictest4072588-21diskmemload09:59:041
4024074994711,20cyclictest4135511-21apt-get10:35:131
402407099479,23cyclictest4162137-21ntp_states11:10:220
402407499469,14cyclictest4187407-21irqstats11:45:201
4024074994619,11cyclictest4072588-21diskmemload09:10:141
4024074994614,11cyclictest5274-21ssh12:00:371
4024074994613,13cyclictest4095394-21ssh09:40:021
4024074994613,10cyclictest4072588-21diskmemload09:18:041
4024074994610,21cyclictest4102510-21apt-get09:50:121
402407499458,21cyclictest4168715-21apt-get11:20:121
4024074994517,8cyclictest1870-21sh11:56:051
4024074994514,11cyclictest10471-21ssh12:09:291
4024074994513,13cyclictest4164713-21ssh11:14:541
4024074994512,11cyclictest4083636-21chrt09:23:371
4024074994511,19cyclictest4120599-21apt-get10:15:121
4024074994511,11cyclictest4183989-21/usr/sbin/munin11:40:191
402407099458,20cyclictest4179634-21apt-get11:35:110
303092450,4sleep00-21swapper/012:35:240
159199450,3rtkit-daemon0-21swapper/110:13:500
4024074994414,16cyclictest0-21swapper/110:47:351
4024074994414,14cyclictest4167282-21ssh11:17:221
4024074994414,10cyclictest40688722chrt09:00:071
4024074994413,17cyclictest4072588-21diskmemload10:00:201
4024074994413,12cyclictest4038385-21taskset07:42:031
4024074994412,11cyclictest4072588-21diskmemload10:50:311
4024074994412,11cyclictest13380-21taskset12:12:551
4024074994411,19cyclictest4172204-21apt-get11:25:111
4024074994410,19cyclictest4175872-21apt-get11:30:151
4024074994410,17cyclictest4072588-21diskmemload11:50:231
402407099446,21cyclictest4183332-21apt-get11:40:120
159199440,3rtkit-daemon0-21swapper/011:17:250
402407499438,20cyclictest4116926-21apt-get10:10:111
4024074994312,13cyclictest4139223-21/usr/sbin/munin10:40:281
4024074994312,10cyclictest26720-21chrt12:30:271
4024074994311,20cyclictest4044130-21seq07:55:581
4024074994311,13cyclictest23887-21taskset12:27:111
4024074994311,13cyclictest23887-21taskset12:27:101
4024074994310,21cyclictest4052902-21/usr/sbin/munin08:20:151
402407499429,18cyclictest4072588-21diskmemload12:17:381
402407499429,13cyclictest4135294-21ssh10:35:011
402407499429,10cyclictest4087899-21ssh09:30:021
402407499428,18cyclictest4099008-21apt-get09:45:121
4024074994215,12cyclictest4115862-21seq10:08:141
4024074994210,12cyclictest4061817-21ntpq08:40:181
4024074994210,12cyclictest40241882sleep107:10:051
402407099426,22cyclictest4034900-21apt-get07:35:130
402407099426,20cyclictest4054867-21apt-get08:25:120
402407099426,20cyclictest3839-21apt-get12:00:130
402407099425,23cyclictest25389-21apt-get12:30:130
402407099425,22cyclictest4057128-21apt-get08:30:100
402407099425,22cyclictest4031002-21apt-get07:25:110
402407499419,18cyclictest4072588-21diskmemload11:35:381
4024074994112,17cyclictest4036222-21seq07:35:371
402407099416,21cyclictest4190461-21apt-get11:50:130
4024070994110,8cyclictest4131795-21apt-get10:30:120
402407499409,19cyclictest4056610-21apt-get08:30:031
402407499409,14cyclictest4059601-21cat08:35:191
402407499408,15cyclictest4067413-21cat08:55:201
4024074994013,10cyclictest4072428-21chrt09:08:261
402407099409,19cyclictest4144834-21ssh10:47:100
402407099408,8cyclictest4070841-21apt-get09:05:110
402407099408,18cyclictest4072588-21diskmemload11:20:470
402407099408,18cyclictest4072588-21diskmemload10:36:030
402407099408,18cyclictest4072588-21diskmemload10:16:020
402407099406,22cyclictest4113354-21/usr/sbin/munin10:05:180
402407099404,21cyclictest4095468-21apt-get09:40:110
4024070994010,9cyclictest4189725-21sh11:48:560
402407499399,17cyclictest4026140-21nin-node07:15:011
402407499399,12cyclictest4041899-21sed07:50:281
402407499399,11cyclictest4063600-21sed08:45:211
402407499399,11cyclictest4047293-21memory08:05:191
402407499399,10cyclictest673-21dbus-daemon07:20:021
4024074993913,10cyclictest4049954-21chrt08:10:321
4024074993912,9cyclictest4046331-21chrt08:03:261
4024074993910,17cyclictest4065295-21perl08:50:171
4024074993910,11cyclictest4054867-21apt-get08:25:101
402407099399,13cyclictest4109102-21sh09:58:580
402407099398,7cyclictest4046688-21apt-get08:05:100
402407099395,20cyclictest4072588-21diskmemload11:57:160
402407099394,21cyclictest4036928-21apt-get07:40:120
402407099389,11cyclictest4072588-21diskmemload09:54:280
402407099388,17cyclictest4072588-21diskmemload11:04:370
402407099387,11cyclictest4124594-21apt-get10:20:070
402407099386,20cyclictest4049412-21ntp_states08:10:250
402407099385,13cyclictest4050899-40apt-check08:15:150
402407099379,16cyclictest4178850-21sh11:33:520
402407099378,17cyclictest0-21swapper/009:30:150
402407099378,13cyclictest4130223-21sh10:27:000
402407099378,10cyclictest4084411-21ssh09:25:040
402407099377,17cyclictest4072588-21diskmemload11:28:380
402407099376,18cyclictest4072588-21diskmemload10:59:010
402407099376,17cyclictest4072588-21diskmemload09:17:320
402407099375,18cyclictest4072588-21diskmemload12:06:570
402407099375,12cyclictest4032952-21apt-get07:30:130
402407099373,12cyclictest4099008-21apt-get09:45:120
4024070993713,9cyclictest4066371-21taskset08:51:200
402407099368,16cyclictest4149521-21sh10:54:140
402407099368,16cyclictest4093915-21ssh09:37:130
402407099366,14cyclictest4061854-21ntp_states08:40:200
402407099366,14cyclictest4024992-21ntp_states07:10:250
402407099366,10cyclictest11772-21ntp_states12:10:210
402407099365,11cyclictest4052922-21apt-get08:20:120
402407099365,11cyclictest4026738-21apt-get07:15:140
402407099364,11cyclictest4109818-21apt-get10:00:110
402407099363,12cyclictest4044745-21apt-get08:00:130
4024070993618,11cyclictest4038883-21apt-get07:45:110
402407099355,14cyclictest4069216-21fschecks_time09:00:190
402407099354,9cyclictest4028481-21apt-get07:20:060
402407099353,11cyclictest4139245-21apt-get10:40:110
402407099346,13cyclictest4042296-21taskset07:52:100
402407099346,11cyclictest19158-21pmu-power12:20:280
402407099344,13cyclictest4063028-21apt-get08:45:110
402407099343,11cyclictest4059113-21apt-get08:35:120
402407099314,10cyclictest4043552-21ntp_states07:55:280
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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