diff options
Diffstat (limited to 'tools/perf/util/expr.c')
| -rw-r--r-- | tools/perf/util/expr.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/tools/perf/util/expr.c b/tools/perf/util/expr.c index 5657222aaa25..77c6ad81a923 100644 --- a/tools/perf/util/expr.c +++ b/tools/perf/util/expr.c @@ -211,6 +211,21 @@ int expr__get_id(struct expr_parse_ctx *ctx, const char *id, return hashmap__find(ctx->ids, id, (void **)data) ? 0 : -1; } +bool expr__subset_of_ids(struct expr_parse_ctx *haystack, + struct expr_parse_ctx *needles) +{ + struct hashmap_entry *cur; + size_t bkt; + struct expr_id_data *data; + + hashmap__for_each_entry(needles->ids, cur, bkt) { + if (expr__get_id(haystack, cur->key, &data)) + return false; + } + return true; +} + + int expr__resolve_id(struct expr_parse_ctx *ctx, const char *id, struct expr_id_data **datap) { |