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-rw-r--r--tools/perf/util/expr.c37
1 files changed, 25 insertions, 12 deletions
diff --git a/tools/perf/util/expr.c b/tools/perf/util/expr.c
index e808738493e2..c94fb9bef919 100644
--- a/tools/perf/util/expr.c
+++ b/tools/perf/util/expr.c
@@ -405,12 +405,17 @@ double expr_id_data__source_count(const struct expr_id_data *data)
double expr__get_literal(const char *literal)
{
static struct cpu_topology *topology;
+ double result = NAN;
- if (!strcmp("#smt_on", literal))
- return smt_on() > 0 ? 1.0 : 0.0;
+ if (!strcmp("#smt_on", literal)) {
+ result = smt_on() > 0 ? 1.0 : 0.0;
+ goto out;
+ }
- if (!strcmp("#num_cpus", literal))
- return cpu__max_present_cpu().cpu;
+ if (!strcmp("#num_cpus", literal)) {
+ result = cpu__max_present_cpu().cpu;
+ goto out;
+ }
/*
* Assume that topology strings are consistent, such as CPUs "0-1"
@@ -422,16 +427,24 @@ double expr__get_literal(const char *literal)
topology = cpu_topology__new();
if (!topology) {
pr_err("Error creating CPU topology");
- return NAN;
+ goto out;
}
}
- if (!strcmp("#num_packages", literal))
- return topology->package_cpus_lists;
- if (!strcmp("#num_dies", literal))
- return topology->die_cpus_lists;
- if (!strcmp("#num_cores", literal))
- return topology->core_cpus_lists;
+ if (!strcmp("#num_packages", literal)) {
+ result = topology->package_cpus_lists;
+ goto out;
+ }
+ if (!strcmp("#num_dies", literal)) {
+ result = topology->die_cpus_lists;
+ goto out;
+ }
+ if (!strcmp("#num_cores", literal)) {
+ result = topology->core_cpus_lists;
+ goto out;
+ }
pr_err("Unrecognized literal '%s'", literal);
- return NAN;
+out:
+ pr_debug2("literal: %s = %f\n", literal, result);
+ return result;
}