linux-kernel - [PATCH 01/11] perf annotate: Fix failure when filename has special chars

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Date:   Tue,  6 Jun 2017 16:26:40 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     linux-kernel@...r.kernel.org,
        Ravi Bangoria <ravi.bangoria@...ux.vnet.ibm.com>,
        Adam Stylinski <adam.stylinski@...gent.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Taeung Song <treeze.taeung@...il.com>,
        Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 01/11] perf annotate: Fix failure when filename has special chars

From: Ravi Bangoria <ravi.bangoria@...ux.vnet.ibm.com>

When filename contains special chars, perf annotate fails
with an error:

  $ perf annotate --vmlinux ./vmlinux\(test\) --stdio native_safe_halt
    sh: -c: line 0: syntax error near unexpected token `('
    sh: -c: line 0: `objdump  --start-address=0xffffffff8184e840
    --stop-address=0xffffffff8184e848 -l -d --no-show-raw -S -C
    ./vmlinux(test) 2>/dev/null|grep -v ./vmlinux(test):|expand'

Fix it by surrounding filename in double quotes.

Signed-off-by: Ravi Bangoria <ravi.bangoria@...ux.vnet.ibm.com>
Cc: Adam Stylinski <adam.stylinski@...gent.com>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Christian Borntraeger <borntraeger@...ibm.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Taeung Song <treeze.taeung@...il.com>
Link: http://lkml.kernel.org/r/20170505101417.2117-1-ravi.bangoria@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/annotate.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 683f8340460c..07d5608a675f 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -1429,7 +1429,7 @@ int symbol__disassemble(struct symbol *sym, struct map *map, const char *arch_na
 	snprintf(command, sizeof(command),
 		 "%s %s%s --start-address=0x%016" PRIx64
 		 " --stop-address=0x%016" PRIx64
-		 " -l -d %s %s -C %s 2>/dev/null|grep -v %s:|expand",
+		 " -l -d %s %s -C \"%s\" 2>/dev/null|grep -v \"%s:\"|expand",
 		 objdump_path ? objdump_path : "objdump",
 		 disassembler_style ? "-M " : "",
 		 disassembler_style ? disassembler_style : "",
-- 
2.9.4