summaryrefslogtreecommitdiffstats
path: root/tools/perf/builtin-kmem.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/builtin-kmem.c')
-rw-r--r--tools/perf/builtin-kmem.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index 915869e00d86..6da8d083e4e5 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -1065,7 +1065,7 @@ static void __print_page_alloc_result(struct perf_session *session, int n_lines)
data = rb_entry(next, struct page_stat, node);
sym = machine__find_kernel_function(machine, data->callsite, &map);
- if (sym && sym->name)
+ if (sym)
caller = sym->name;
else
scnprintf(buf, sizeof(buf), "%"PRIx64, data->callsite);
@@ -1107,7 +1107,7 @@ static void __print_page_caller_result(struct perf_session *session, int n_lines
data = rb_entry(next, struct page_stat, node);
sym = machine__find_kernel_function(machine, data->callsite, &map);
- if (sym && sym->name)
+ if (sym)
caller = sym->name;
else
scnprintf(buf, sizeof(buf), "%"PRIx64, data->callsite);
@@ -1920,10 +1920,12 @@ int cmd_kmem(int argc, const char **argv, const char *prefix __maybe_unused)
NULL
};
struct perf_session *session;
- int ret = -1;
const char errmsg[] = "No %s allocation events found. Have you run 'perf kmem record --%s'?\n";
+ int ret = perf_config(kmem_config, NULL);
+
+ if (ret)
+ return ret;
- perf_config(kmem_config, NULL);
argc = parse_options_subcommand(argc, argv, kmem_options,
kmem_subcommands, kmem_usage, 0);
@@ -1948,6 +1950,8 @@ int cmd_kmem(int argc, const char **argv, const char *prefix __maybe_unused)
if (session == NULL)
return -1;
+ ret = -1;
+
if (kmem_slab) {
if (!perf_evlist__find_tracepoint_by_name(session->evlist,
"kmem:kmalloc")) {