Commit-ID: 1d6b3c9ba756a5134fd7ad1959acac776d17404b Gitweb: http://git.kernel.org/tip/1d6b3c9ba756a5134fd7ad1959acac776d17404b Author: Namhyung Kim <namhy...@kernel.org> AuthorDate: Thu, 8 Jun 2017 16:31:05 +0900 Committer: Arnaldo Carvalho de Melo <a...@redhat.com> CommitDate: Thu, 8 Jun 2017 15:39:07 -0300
perf tools: Decompress kernel module when reading DSO data Currently perf decompresses kernel modules when loading the symbol table but it missed to do it when reading raw data. Signed-off-by: Namhyung Kim <namhy...@kernel.org> Acked-by: Jiri Olsa <jo...@kernel.org> Cc: Adrian Hunter <adrian.hun...@intel.com> Cc: David Ahern <dsah...@gmail.com> Cc: Peter Zijlstra <a.p.zijls...@chello.nl> Cc: Wang Nan <wangn...@huawei.com> Cc: kernel-t...@lge.com Link: http://lkml.kernel.org/r/20170608073109.30699-6-namhy...@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/util/dso.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c index b346b8e..c63525d 100644 --- a/tools/perf/util/dso.c +++ b/tools/perf/util/dso.c @@ -475,7 +475,23 @@ static int __open_dso(struct dso *dso, struct machine *machine) return -EINVAL; } + if (dso__needs_decompress(dso)) { + char newpath[KMOD_DECOMP_LEN]; + size_t len = sizeof(newpath); + + if (dso__decompress_kmodule_path(dso, name, newpath, len) < 0) { + free(name); + return -dso->load_errno; + } + + strcpy(name, newpath); + } + fd = do_open(name); + + if (dso__needs_decompress(dso)) + unlink(name); + free(name); return fd; }
