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We got it from the git sources but never used it for anything, with the
place where this would be somehow used remaining:
static int run_builtin(struct cmd_struct *p, int argc, const char **argv)
{
prefix = NULL;
if (p->option & RUN_SETUP)
prefix = NULL; /* setup_perf_directory(); */
Ditch it.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-uw5swz05vol0qpr32c5lpvus@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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To write config items to a particular config file, we should know where
is each config section and item from.
Current setting functionality of perf-config use autogenerating way by
overwriting collected config items to a config file.
For example, when collecting config items from user and system config
files (i.e. ~/.perfconfig and $(sysconf)/perfconfig), perf_config_set
can contain both user and system config items. So we should know where
each value is from to avoid merging user and system config items on user
config file.
Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Nambong Ha <over3025@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Cc: Wookje Kwon <aweee0@gmail.com>
Link: http://lkml.kernel.org/r/1478241862-31230-7-git-send-email-treeze.taeung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Add setting feature that can add config variables with their values to a
config file (i.e. user or system config file) or modify config key-value
pairs in a config file. For the syntax examples:
perf config [<file-option>] [section.name[=value] ...]
e.g. You can set the ui.show-headers to false with
# perf config ui.show-headers=false
If you want to add or modify several config items, you can do like
# perf config annotate.show_nr_jumps=false kmem.default=slab
Committer notes:
Testing it:
$ perf config -l
top.children=true
report.children=false
$
$ perf config top.children=false
$ perf config -l
top.children=false
report.children=false
$
$ perf config kmem.default=slab
$ perf config -l
top.children=false
report.children=false
kmem.default=slab
$
Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Nambong Ha <over3025@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Cc: Wookje Kwon <aweee0@gmail.com>
Link: http://lkml.kernel.org/r/1478241862-31230-5-git-send-email-treeze.taeung@gmail.com
[ Combined patch with docs update with this one ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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You can show the values for several config items as below:
# perf config report.queue-size call-graph.record-mode
but it is necessary to more precisely check arguments, before passing
them to show_spec_config(). This validation function would be also used
when parsing config key-value pairs arguments in the near future.
Committer notes:
Testing it:
$ perf config bla.
The config variable does not contain a variable name: bla.
$ perf config .bla
The config variable does not contain a section name: .bla
$ perf config bla.bla
$
Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Nambong Ha <over3025@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Cc: Wookje Kwon <aweee0@gmail.com>
Link: http://lkml.kernel.org/r/1478241862-31230-4-git-send-email-treeze.taeung@gmail.com
[ Fix some spelling errors ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Add a functionality getting specific config key-value pairs.
For the syntax examples,
perf config [<file-option>] [section.name ...]
e.g. To query config items 'report.queue-size' and 'report.children', do
# perf config report.queue-size report.children
Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Nambong Ha <over3025@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Cc: Wookje Kwon <aweee0@gmail.com>
Link: http://lkml.kernel.org/r/1478241862-31230-2-git-send-email-treeze.taeung@gmail.com
[ Combined patch with docs update with this one ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Recently config_set__for_each got added. In order to let show_config()
be short and clear, rewrite this function using it.
Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1466691272-24117-4-git-send-email-treeze.taeung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Many sub-commands use perf_config() but everytime perf_config() is
called, perf_config() always read config files. (i.e. user config
'~/.perfconfig' and system config '$(sysconfdir)/perfconfig')
But it is better to use the config set that already contains all config
key-value pairs to avoid this repetitive work reading the config files
in perf_config(). (the config set mean a static variable 'config_set')
In other words, if new perf_config__init() is called, only first time
'config_set' is initialized collecting all configs from the config
files. And then we could use new perf_config() like old perf_config().
When a sub-command finished, free the config set by perf_config__exit()
at run_builtin().
If we do, 'config_set' can be reused wherever perf_config() is called
and a feature of old perf_config() is the same as new perf_config() work
without the repetitive work that read the config files.
In summary, in order to use features about configuration,
we can call the functions at perf.c and other source files as below.
# initialize a config set
perf_config__init()
# configure actual variables from a config set
perf_config()
# eliminate allocated config set
perf_config__exit()
# destroy existing config set and initialize a new config set.
perf_config__refresh()
Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1466691272-24117-3-git-send-email-treeze.taeung@gmail.com
[ 'init' counterpart is 'exit', not 'finish' ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Currently show_config() has a problem when user and system config files
have the same config variables i.e.:
# cat ~/.perfconfig
[top]
children = false
When $(sysconfdir) is /usr/local/etc
# cat /usr/local/etc/perfconfig
[top]
children = true
Before:
# perf config --user --list
top.children=false
# perf config --system --list
top.children=true
# perf config --list
top.children=true
top.children=false
Because perf_config() can call show_config() each the config file (user
and system). Fix it.
After:
# perf config --user --list
top.children=false
# perf config --system --list
top.children=true
# perf config --list
top.children=false
Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1460620401-23430-3-git-send-email-treeze.taeung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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is used
The '--system' option means $(sysconfdir)/perfconfig and '--user' means
$HOME/.perfconfig. If none is used, both system and user config file are
read. E.g.:
# perf config [<file-option>] [options]
With an specific config file:
# perf config --user | --system
or both user and system config file:
# perf config
Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1455126685-32367-2-git-send-email-treeze.taeung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Move the subcommand-related files from perf to a new library named
libsubcmd.a.
Since we're moving files anyway, go ahead and rename 'exec_cmd.*' to
'exec-cmd.*' to be consistent with the naming of all the other files.
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/c0a838d4c878ab17fee50998811612b2281355c1.1450193761.git.jpoimboe@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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The perf configuration file contains many variables to change various
aspects of each of its tools, including output, disk usage, etc.
But looking at the state of configuration is difficult and there's no
documentation about config variables except for the variables in
perfconfig.example exist.
So this patch adds a 'perf-config' command with a '--list' option.
perf config [options]
display current perf config variables.
# perf config -l | --list
Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1447768424-17327-1-git-send-email-treeze.taeung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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