The following commit has been merged into the perf/core branch of tip:

Commit-ID:     c5baf9089246c1356705c9ba36d767ee8ce43dd2
Gitweb:        
https://git.kernel.org/tip/c5baf9089246c1356705c9ba36d767ee8ce43dd2
Author:        Ian Rogers <irog...@google.com>
AuthorDate:    Thu, 10 Oct 2019 11:36:49 -07:00
Committer:     Arnaldo Carvalho de Melo <a...@redhat.com>
CommitterDate: Tue, 15 Oct 2019 08:39:42 -03:00

perf annotate: Fix objdump --no-show-raw-insn flag

Remove redirection of objdump's stderr to /dev/null to help diagnose
failures.

Fix the '--no-show-raw' flag to be '--no-show-raw-insn' which binutils
is permissive and allows, but fails with LLVM objdump.

Signed-off-by: Ian Rogers <irog...@google.com>
Cc: Alexander Shishkin <alexander.shish...@linux.intel.com>
Cc: Jin Yao <yao....@linux.intel.com>
Cc: Jiri Olsa <jo...@redhat.com>
Cc: Mark Rutland <mark.rutl...@arm.com>
Cc: Namhyung Kim <namhy...@kernel.org>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Song Liu <songliubrav...@fb.com>
Cc: Stephane Eranian <eran...@google.com>
Cc: clang-built-li...@googlegroups.com
Link: http://lore.kernel.org/lkml/20191010183649.23768-6-irog...@google.com
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
---
 tools/perf/util/annotate.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index efc5bfe..eef8aa8 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -1966,13 +1966,13 @@ static int symbol__disassemble(struct symbol *sym, 
struct annotate_args *args)
        err = asprintf(&command,
                 "%s %s%s --start-address=0x%016" PRIx64
                 " --stop-address=0x%016" PRIx64
-                " -l -d %s %s -C \"$1\" 2>/dev/null",
+                " -l -d %s %s -C \"$1\"",
                 opts->objdump_path ?: "objdump",
                 opts->disassembler_style ? "-M " : "",
                 opts->disassembler_style ?: "",
                 map__rip_2objdump(map, sym->start),
                 map__rip_2objdump(map, sym->end),
-                opts->show_asm_raw ? "" : "--no-show-raw",
+                opts->show_asm_raw ? "" : "--no-show-raw-insn",
                 opts->annotate_src ? "-S" : "");
 
        if (err < 0) {

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