diff options
Diffstat (limited to 'tools/perf/tests/pmu-events.c')
| -rw-r--r-- | tools/perf/tests/pmu-events.c | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/tools/perf/tests/pmu-events.c b/tools/perf/tests/pmu-events.c index 1c695fb5a79c..299a215eb54c 100644 --- a/tools/perf/tests/pmu-events.c +++ b/tools/perf/tests/pmu-events.c @@ -994,8 +994,18 @@ static int test__parsing(struct test_suite *test __maybe_unused, } if (expr__parse(&result, ctx, pe->metric_expr)) { - expr_failure("Parse failed", map, pe); - ret++; + /* + * Parsing failed, make numbers go from large to + * small which can resolve divide by zero + * issues. + */ + k = 1024; + hashmap__for_each_entry(ctx->ids, cur, bkt) + expr__add_id_val(ctx, strdup(cur->key), k--); + if (expr__parse(&result, ctx, pe->metric_expr)) { + expr_failure("Parse failed", map, pe); + ret++; + } } } } @@ -1054,10 +1064,20 @@ static int metric_parse_fake(const char *str) } } - if (expr__parse(&result, ctx, str)) - pr_err("expr__parse failed\n"); - else - ret = 0; + ret = 0; + if (expr__parse(&result, ctx, str)) { + /* + * Parsing failed, make numbers go from large to small which can + * resolve divide by zero issues. + */ + i = 1024; + hashmap__for_each_entry(ctx->ids, cur, bkt) + expr__add_id_val(ctx, strdup(cur->key), i--); + if (expr__parse(&result, ctx, str)) { + pr_err("expr__parse failed\n"); + ret = -1; + } + } out: expr__ctx_free(ctx); |