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authorAdrian Hunter <adrian.hunter@intel.com>2013-11-18 11:55:56 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-11-27 14:58:36 -0300
commit167faf32b07fc47637048fbcbdfcf4a89481686d (patch)
tree21c8954cbf3a7c9b29bd83709d22c24418bb6c6b
parent4bc437964ef540462bd15af4a713da62961809aa (diff)
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perf tools: Add option macro OPT_BOOLEAN_SET
OPT_BOOLEAN_SET records whether a boolean option was set by the user. That information can be used to change the default value for the option after the options have been parsed. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1384768557-23331-4-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/perf/util/parse-options.c2
-rw-r--r--tools/perf/util/parse-options.h8
2 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/util/parse-options.c b/tools/perf/util/parse-options.c
index b6b39ff14fbb..d22e3f8017dc 100644
--- a/tools/perf/util/parse-options.c
+++ b/tools/perf/util/parse-options.c
@@ -78,6 +78,8 @@ static int get_value(struct parse_opt_ctx_t *p,
case OPTION_BOOLEAN:
*(bool *)opt->value = unset ? false : true;
+ if (opt->set)
+ *(bool *)opt->set = true;
return 0;
case OPTION_INCR:
diff --git a/tools/perf/util/parse-options.h b/tools/perf/util/parse-options.h
index b0241e28eaf7..cbf0149cf221 100644
--- a/tools/perf/util/parse-options.h
+++ b/tools/perf/util/parse-options.h
@@ -82,6 +82,9 @@ typedef int parse_opt_cb(const struct option *, const char *arg, int unset);
* OPTION_{BIT,SET_UINT,SET_PTR} store the {mask,integer,pointer} to put in
* the value when met.
* CALLBACKS can use it like they want.
+ *
+ * `set`::
+ * whether an option was set by the user
*/
struct option {
enum parse_opt_type type;
@@ -94,6 +97,7 @@ struct option {
int flags;
parse_opt_cb *callback;
intptr_t defval;
+ bool *set;
};
#define check_vtype(v, type) ( BUILD_BUG_ON_ZERO(!__builtin_types_compatible_p(typeof(v), type)) + v )
@@ -103,6 +107,10 @@ struct option {
#define OPT_GROUP(h) { .type = OPTION_GROUP, .help = (h) }
#define OPT_BIT(s, l, v, h, b) { .type = OPTION_BIT, .short_name = (s), .long_name = (l), .value = check_vtype(v, int *), .help = (h), .defval = (b) }
#define OPT_BOOLEAN(s, l, v, h) { .type = OPTION_BOOLEAN, .short_name = (s), .long_name = (l), .value = check_vtype(v, bool *), .help = (h) }
+#define OPT_BOOLEAN_SET(s, l, v, os, h) \
+ { .type = OPTION_BOOLEAN, .short_name = (s), .long_name = (l), \
+ .value = check_vtype(v, bool *), .help = (h), \
+ .set = check_vtype(os, bool *)}
#define OPT_INCR(s, l, v, h) { .type = OPTION_INCR, .short_name = (s), .long_name = (l), .value = check_vtype(v, int *), .help = (h) }
#define OPT_SET_UINT(s, l, v, h, i) { .type = OPTION_SET_UINT, .short_name = (s), .long_name = (l), .value = check_vtype(v, unsigned int *), .help = (h), .defval = (i) }
#define OPT_SET_PTR(s, l, v, h, p) { .type = OPTION_SET_PTR, .short_name = (s), .long_name = (l), .value = (v), .help = (h), .defval = (p) }