diff options
Diffstat (limited to 'tools/perf/util/expr.c')
-rw-r--r-- | tools/perf/util/expr.c | 49 |
1 files changed, 36 insertions, 13 deletions
diff --git a/tools/perf/util/expr.c b/tools/perf/util/expr.c index 1d532b9fed29..675f318ce7c1 100644 --- a/tools/perf/util/expr.c +++ b/tools/perf/util/expr.c @@ -12,6 +12,7 @@ #include "expr-bison.h" #include "expr-flex.h" #include "smt.h" +#include <linux/err.h> #include <linux/kernel.h> #include <linux/zalloc.h> #include <ctype.h> @@ -65,7 +66,12 @@ static bool key_equal(const void *key1, const void *key2, struct hashmap *ids__new(void) { - return hashmap__new(key_hash, key_equal, NULL); + struct hashmap *hash; + + hash = hashmap__new(key_hash, key_equal, NULL); + if (IS_ERR(hash)) + return NULL; + return hash; } void ids__free(struct hashmap *ids) @@ -299,6 +305,10 @@ struct expr_parse_ctx *expr__ctx_new(void) return NULL; ctx->ids = hashmap__new(key_hash, key_equal, NULL); + if (IS_ERR(ctx->ids)) { + free(ctx); + return NULL; + } ctx->runtime = 0; return ctx; @@ -395,12 +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 (!strcasecmp("#smt_on", literal)) { + result = smt_on() > 0 ? 1.0 : 0.0; + goto out; + } - if (!strcmp("#num_cpus", literal)) - return cpu__max_present_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" @@ -412,16 +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; } |