perf symbols: Avoid resolving [kernel.kallsyms] to real path for buildid cache

[mv-sheeva.git] / tools / perf / util / header.c

diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 989fa2dee2fd2ae441d98921b9e69a56c4fe50e2..0866bcdb5e8e713682fdb2eaa0e2a54c0be79993 100644 (file)
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -270,11 +270,15 @@ int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
                          const char *name, bool is_kallsyms)
 {
        const size_t size = PATH_MAX;
-       char *realname = realpath(name, NULL),
-            *filename = malloc(size),
+       char *realname, *filename = malloc(size),
             *linkname = malloc(size), *targetname;
        int len, err = -1;
 
+       if (is_kallsyms)
+               realname = (char *)name;
+       else
+               realname = realpath(name, NULL);
+
        if (realname == NULL || filename == NULL || linkname == NULL)
                goto out_free;
 
@@ -306,7 +310,8 @@ int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
        if (symlink(targetname, linkname) == 0)
                err = 0;
 out_free:
-       free(realname);
+       if (!is_kallsyms)
+               free(realname);
        free(filename);
        free(linkname);
        return err;
@@ -798,8 +803,8 @@ static int perf_file_section__process(struct perf_file_section *self,
                                      int feat, int fd)
 {
        if (lseek(fd, self->offset, SEEK_SET) == (off_t)-1) {
-               pr_debug("Failed to lseek to %Ld offset for feature %d, "
-                        "continuing...\n", self->offset, feat);
+               pr_debug("Failed to lseek to %" PRIu64 " offset for feature "
+                         "%d, continuing...\n", self->offset, feat);
                return 0;
        }