Which /tmp mounted with noexec, generate system call table failed.
[snip]
|perf-1.0/tools/perf/arch/arm64/entry/syscalls//mksyscalltbl:
/tmp/create-table-6VGPSt: Permission denied
[snip]
Add variable TMPDIR as prefix dir of the temporary file, if it is set,
replace default /tmp
Fixes: 2b5882435606 ("perf arm64: Generate system call table from asm/unistd.h")
Signed-off-by: Hongxu Jia <hongxu....@windriver.com>
---
tools/perf/arch/arm64/entry/syscalls/mksyscalltbl | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/arch/arm64/entry/syscalls/mksyscalltbl
b/tools/perf/arch/arm64/entry/syscalls/mksyscalltbl
index 2dbb8cad..c88fd32 100755
--- a/tools/perf/arch/arm64/entry/syscalls/mksyscalltbl
+++ b/tools/perf/arch/arm64/entry/syscalls/mksyscalltbl
@@ -23,7 +23,7 @@ create_table_from_c()
{
local sc nr last_sc
- create_table_exe=`mktemp /tmp/create-table-XXXXXX`
+ create_table_exe=`mktemp ${TMPDIR:-/tmp}/create-table-XXXXXX`
{
--
2.7.4
--
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