diff options
Diffstat (limited to 'tools/perf/util/header.c')
| -rw-r--r-- | tools/perf/util/header.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index cb2959a3fb43..b6c1ad123ca9 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -189,8 +189,8 @@ 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, *filename = malloc(size), - *linkname = malloc(size), *targetname; + char *realname, *filename = zalloc(size), + *linkname = zalloc(size), *targetname; int len, err = -1; if (is_kallsyms) { @@ -254,8 +254,8 @@ static int build_id_cache__add_b(const u8 *build_id, size_t build_id_size, int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir) { const size_t size = PATH_MAX; - char *filename = malloc(size), - *linkname = malloc(size); + char *filename = zalloc(size), + *linkname = zalloc(size); int err = -1; if (filename == NULL || linkname == NULL) @@ -726,7 +726,16 @@ static int perf_header__read_build_ids_abi_quirk(struct perf_header *header, return -1; bev.header = old_bev.header; - bev.pid = 0; + + /* + * As the pid is the missing value, we need to fill + * it properly. The header.misc value give us nice hint. + */ + bev.pid = HOST_KERNEL_ID; + if (bev.header.misc == PERF_RECORD_MISC_GUEST_USER || + bev.header.misc == PERF_RECORD_MISC_GUEST_KERNEL) + bev.pid = DEFAULT_GUEST_KERNEL_ID; + memcpy(bev.build_id, old_bev.build_id, sizeof(bev.build_id)); __event_process_build_id(&bev, filename, session); |