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Subject[PATCH v3 3/6] perf tools: Decompress kernel module when reading DSO data
Date
Currently perf decompresses kernel modules when loading symbol table but
it missed to do it when reading raw data.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
tools/perf/util/dso.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index 59257ce4580e..2a0c689227f8 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -463,8 +463,22 @@ static int __open_dso(struct dso *dso, struct machine *machine)
return -EINVAL;
}

- if (!is_regular_file(name))
+ if (!is_regular_file(name)) {
+ free(name);
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 -1;
+ }
+
+ strcpy(name, newpath);
+ }

fd = do_open(name);
free(name);
--
2.13.0
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