1 files changed, 21 insertions, 0 deletions

diff --git a/tools/perf/util/parse-options.c b/tools/perf/util/parse-options.c
index 31f404a032a9..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:
@@ -224,6 +226,24 @@ static int parse_long_opt(struct parse_opt_ctx_t *p, const char *arg,
                         return 0;
                 }
                 if (!rest) {
+                        if (!prefixcmp(options->long_name, "no-")) {
+                                /*
+                                 * The long name itself starts with "no-", so
+                                 * accept the option without "no-" so that users
+                                 * do not have to enter "no-no-" to get the
+                                 * negation.
+                                 */
+                                rest = skip_prefix(arg, options->long_name + 3);
+                                if (rest) {
+                                        flags |= OPT_UNSET;
+                                        goto match;
+                                }
+                                /* Abbreviated case */
+                                if (!prefixcmp(options->long_name + 3, arg)) {
+                                        flags |= OPT_UNSET;
+                                        goto is_abbreviated;
+                                }
+                        }
                         /* abbreviated? */
                         if (!strncmp(options->long_name, arg, arg_end - arg)) {
 is_abbreviated:
@@ -259,6 +279,7 @@ is_abbreviated:
                         if (!rest)
                                 continue;
                 }
+match:
                 if (*rest) {
                         if (*rest != '=')
                                 continue;