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Groups > linux.kernel > #1660855

[PATCH v4 4/9] perf annotate: Use dso__decompress_kmodule_path()

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Convert open-coded decompress routine to use the function.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
 tools/perf/util/annotate.c | 27 +++------------------------
 1 file changed, 3 insertions(+), 24 deletions(-)

diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index df4486c3a2fa..ddbd56df9187 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -1431,31 +1431,10 @@ int symbol__disassemble(struct symbol *sym, struct map *map, const char *arch_na
 				sizeof(symfs_filename));
 		}
 	} else if (dso__needs_decompress(dso)) {
-		char tmp[PATH_MAX];
-		struct kmod_path m;
-		int fd;
-		bool ret;
+		char tmp[KMOD_DECOMP_LEN];
 
-		if (kmod_path__parse_ext(&m, symfs_filename))
-			goto out;
-
-		snprintf(tmp, PATH_MAX, "/tmp/perf-kmod-XXXXXX");
-
-		fd = mkstemp(tmp);
-		if (fd < 0) {
-			free(m.ext);
-			goto out;
-		}
-
-		ret = decompress_to_file(m.ext, symfs_filename, fd);
-
-		if (ret)
-			pr_err("Cannot decompress %s %s\n", m.ext, symfs_filename);
-
-		free(m.ext);
-		close(fd);
-
-		if (!ret)
+		if (dso__decompress_kmodule_path(dso, symfs_filename,
+						 tmp, sizeof(tmp)) < 0)
 			goto out;
 
 		strcpy(symfs_filename, tmp);
-- 
2.13.1

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[PATCHSET 0/9] perf tools: Fix for compressed kernel modules (v4) Namhyung Kim <namhyung@kernel.org> - 2017-06-08 09:40 +0200
  [PATCH v4 3/9] perf tools: Introduce dso__decompress_kmodule_{fd,path} Namhyung Kim <namhyung@kernel.org> - 2017-06-08 09:40 +0200
    [tip:perf/urgent] perf tools: Introduce  dso__decompress_kmodule_{fd,path} tip-bot for Namhyung Kim <tipbot@zytor.com> - 2017-06-09 01:00 +0200
  [PATCH v4 7/9] perf test: Decompress kernel module before objdump Namhyung Kim <namhyung@kernel.org> - 2017-06-08 09:40 +0200
    Re: [PATCH v4 7/9] perf test: Decompress kernel module before objdump Adrian Hunter <adrian.hunter@intel.com> - 2017-06-08 09:50 +0200
    [tip:perf/urgent] perf tests: Decompress kernel module before  objdump tip-bot for Namhyung Kim <tipbot@zytor.com> - 2017-06-09 01:00 +0200
  [PATCH v4 9/9] perf symbols: Kill dso__build_id_is_kmod() Namhyung Kim <namhyung@kernel.org> - 2017-06-08 09:40 +0200
    [tip:perf/urgent] perf symbols: Kill dso__build_id_is_kmod() tip-bot for Namhyung Kim <tipbot@zytor.com> - 2017-06-09 01:00 +0200
  [PATCH v4 4/9] perf annotate: Use dso__decompress_kmodule_path() Namhyung Kim <namhyung@kernel.org> - 2017-06-08 09:40 +0200
    [tip:perf/urgent] perf annotate: Use dso__decompress_kmodule_path() tip-bot for Namhyung Kim <tipbot@zytor.com> - 2017-06-09 01:00 +0200
  [PATCH v4 6/9] perf tools: Consolidate error path in __open_dso() Namhyung Kim <namhyung@kernel.org> - 2017-06-08 09:40 +0200
    [tip:perf/urgent] perf tools: Consolidate error path in  __open_dso() tip-bot for Namhyung Kim <tipbot@zytor.com> - 2017-06-09 01:00 +0200
  [PATCH v4 8/9] perf symbols: Keep DSO->symtab_type after decompress Namhyung Kim <namhyung@kernel.org> - 2017-06-08 09:40 +0200
    [tip:perf/urgent] perf symbols: Keep DSO->symtab_type after  decompress tip-bot for Namhyung Kim <tipbot@zytor.com> - 2017-06-09 01:00 +0200
  Re: [PATCHSET 0/9] perf tools: Fix for compressed kernel modules (v4) Jiri Olsa <jolsa@redhat.com> - 2017-06-08 14:20 +0200

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