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-rw-r--r--tools/perf/builtin-probe.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
index c98ccb570509..1792a3f1f4ce 100644
--- a/tools/perf/builtin-probe.c
+++ b/tools/perf/builtin-probe.c
@@ -169,6 +169,7 @@ static int opt_set_target(const struct option *opt, const char *str,
int unset __maybe_unused)
{
int ret = -ENOENT;
+ char *tmp;
if (str && !params.target) {
if (!strcmp(opt->long_name, "exec"))
@@ -180,7 +181,19 @@ static int opt_set_target(const struct option *opt, const char *str,
else
return ret;
- params.target = str;
+ /* Expand given path to absolute path, except for modulename */
+ if (params.uprobes || strchr(str, '/')) {
+ tmp = realpath(str, NULL);
+ if (!tmp) {
+ pr_warning("Failed to get the absolute path of %s: %m\n", str);
+ return ret;
+ }
+ } else {
+ tmp = strdup(str);
+ if (!tmp)
+ return -ENOMEM;
+ }
+ params.target = tmp;
ret = 0;
}