Message ID | 20220711093218.10967-10-adrian.hunter@intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | perf intel-pt: Add support for tracing virtual machine user space on the host | expand |
On Mon, Jul 11, 2022 at 2:33 AM Adrian Hunter <adrian.hunter@intel.com> wrote: > > realname() returns NULL if the file is not in the file system, but we can > still remove it from the build ID cache in that case, so continue and > attempt the purge with the name provided. > > Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> > --- > tools/perf/util/build-id.c | 7 ++----- > 1 file changed, 2 insertions(+), 5 deletions(-) > > diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c > index 7c9f441936ee..9e176146eb10 100644 > --- a/tools/perf/util/build-id.c > +++ b/tools/perf/util/build-id.c > @@ -561,14 +561,11 @@ char *build_id_cache__cachedir(const char *sbuild_id, const char *name, > char *realname = (char *)name, *filename; > bool slash = is_kallsyms || is_vdso; > > - if (!slash) { > + if (!slash) > realname = nsinfo__realpath(name, nsi); > - if (!realname) > - return NULL; > - } > > if (asprintf(&filename, "%s%s%s%s%s", buildid_dir, slash ? "/" : "", > - is_vdso ? DSO__NAME_VDSO : realname, > + is_vdso ? DSO__NAME_VDSO : (realname ? realname : name), nit: is_vdso ? DSO__NAME_VDSO : (realname ?: name), Thanks, Ian > sbuild_id ? "/" : "", sbuild_id ?: "") < 0) > filename = NULL; > > -- > 2.25.1 >
diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c index 7c9f441936ee..9e176146eb10 100644 --- a/tools/perf/util/build-id.c +++ b/tools/perf/util/build-id.c @@ -561,14 +561,11 @@ char *build_id_cache__cachedir(const char *sbuild_id, const char *name, char *realname = (char *)name, *filename; bool slash = is_kallsyms || is_vdso; - if (!slash) { + if (!slash) realname = nsinfo__realpath(name, nsi); - if (!realname) - return NULL; - } if (asprintf(&filename, "%s%s%s%s%s", buildid_dir, slash ? "/" : "", - is_vdso ? DSO__NAME_VDSO : realname, + is_vdso ? DSO__NAME_VDSO : (realname ? realname : name), sbuild_id ? "/" : "", sbuild_id ?: "") < 0) filename = NULL;
realname() returns NULL if the file is not in the file system, but we can still remove it from the build ID cache in that case, so continue and attempt the purge with the name provided. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> --- tools/perf/util/build-id.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-)