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perf tools: do not look at ./config for configuration

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In addition to /etc/perfconfig and $HOME/.perfconfig, perf looks for
configuration in the file ./config, imitating git which looks at
$GIT_DIR/config.  If ./config is not a perf configuration file, it
fails, or worse, treats it as a configuration file and changes behavior
in some unexpected way.

"config" is not an unusual name for a file to be lying around and perf
does not have a private directory dedicated for its own use, so let's
just stop looking for configuration in the cwd.  Callers needing
context-sensitive configuration can use the PERF_CONFIG environment
variable.

Requested-by: Christian Ohm <chr.ohm@gmx.net>
Cc: 632923@bugs.debian.org
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: Christian Ohm <chr.ohm@gmx.net>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20110805165838.GA7237@elie.gateway.2wire.net
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jonathan Nieder 2011-08-05 18:58:38 +02:00 committed by Arnaldo Carvalho de Melo
parent 8b7e0b34b8
commit aba8d05607
1 changed files with 0 additions and 7 deletions
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7
tools/perf/util/config.c
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@ -399,7 +399,6 @@ static int perf_config_global(void)
int perf_config(config_fn_t fn, void *data)
{
int ret = 0, found = 0;
char *repo_config = NULL;
const char *home = NULL;
/* Setting $PERF_CONFIG makes perf read _only_ the given config file. */
@ -421,12 +420,6 @@ int perf_config(config_fn_t fn, void *data)
free(user_config);
}
repo_config = perf_pathdup("config");
if (!access(repo_config, R_OK)) {
ret += perf_config_from_file(fn, repo_config, data);
found += 1;
}
free(repo_config);
if (found == 0)
return -1;
return ret;