aboutsummaryrefslogtreecommitdiffstats
path: root/tools/perf/util/expr.y
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/util/expr.y')
-rw-r--r--tools/perf/util/expr.y15
1 files changed, 9 insertions, 6 deletions
diff --git a/tools/perf/util/expr.y b/tools/perf/util/expr.y
index 1ec9c9b195e8..a30b825adb7b 100644
--- a/tools/perf/util/expr.y
+++ b/tools/perf/util/expr.y
@@ -37,7 +37,7 @@
} ids;
}
-%token ID NUMBER MIN MAX IF ELSE LITERAL D_RATIO EXPR_ERROR
+%token ID NUMBER MIN MAX IF ELSE LITERAL D_RATIO SOURCE_COUNT EXPR_ERROR
%left MIN MAX IF
%left '|'
%left '^'
@@ -84,7 +84,7 @@ static struct ids union_expr(struct ids ids1, struct ids ids2)
}
static struct ids handle_id(struct expr_parse_ctx *ctx, char *id,
- bool compute_ids)
+ bool compute_ids, bool source_count)
{
struct ids result;
@@ -96,9 +96,11 @@ static struct ids handle_id(struct expr_parse_ctx *ctx, char *id,
struct expr_id_data *data;
result.val = NAN;
- if (expr__resolve_id(ctx, id, &data) == 0)
- result.val = expr_id_data__value(data);
-
+ if (expr__resolve_id(ctx, id, &data) == 0) {
+ result.val = source_count
+ ? expr_id_data__source_count(data)
+ : expr_id_data__value(data);
+ }
result.ids = NULL;
free(id);
} else {
@@ -201,7 +203,8 @@ expr: NUMBER
$$.val = $1;
$$.ids = NULL;
}
-| ID { $$ = handle_id(ctx, $1, compute_ids); }
+| ID { $$ = handle_id(ctx, $1, compute_ids, /*source_count=*/false); }
+| SOURCE_COUNT '(' ID ')' { $$ = handle_id(ctx, $3, compute_ids, /*source_count=*/true); }
| expr '|' expr { BINARY_LONG_OP($$, |, $1, $3); }
| expr '&' expr { BINARY_LONG_OP($$, &, $1, $3); }
| expr '^' expr { BINARY_LONG_OP($$, ^, $1, $3); }