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perf tools: Save cmdline arguments earlier

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perf_env__set_cmdline() only saves the arguments the first time it's
called.  It doesn't need to be called every time the options and
suboptions are parsed.  Instead it can just be called once.

This also has the advantage of making the option parsing code less
perf-specific so it can be moved out to a library.

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/19b76a5aa1b688bd635bd65d80bbc103a978d75e.1449548395.git.jpoimboe@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Josh Poimboeuf 2015-12-07 22:21:46 -06:00 committed by Arnaldo Carvalho de Melo
parent 1fe143c5f9
commit 2bdb2c2729
3 changed files with 1 additions and 11 deletions
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1
tools/perf/perf.c
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@ -384,6 +384,7 @@ static int run_builtin(struct cmd_struct *p, int argc, const char **argv)
use_pager = 1;
commit_pager_choice();
perf_env__set_cmdline(&perf_env, argc, argv);
status = p->fn(argc, argv, prefix);
exit_browser(status);
perf_env__exit(&perf_env);

9
tools/perf/util/env.c
View File

@ -25,15 +25,6 @@ int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[])
{
int i;
/*
* If env->cmdline_argv has already been set, do not override it. This allows
* a command to set the cmdline, parse args and then call another
* builtin function that implements a command -- e.g, cmd_kvm calling
* cmd_record.
*/
if (env->cmdline_argv != NULL)
return 0;
/* do not include NULL termination */
env->cmdline_argv = calloc(argc, sizeof(char *));
if (env->cmdline_argv == NULL)

2
tools/perf/util/parse-options.c
View File

@ -501,8 +501,6 @@ int parse_options_subcommand(int argc, const char **argv, const struct option *o
{
struct parse_opt_ctx_t ctx;
perf_env__set_cmdline(&perf_env, argc, argv);
/* build usage string if it's not provided */
if (subcommands && !usagestr[0]) {
struct strbuf buf = STRBUF_INIT;