From: Hongxu Jia <[email protected]> When /tmp is mounted with noexec, mksyscalltbl fails.
[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. Signed-off-by: Hongxu Jia <[email protected]> Cc: Alexander Shishkin <[email protected]> Cc: Hendrik Brueckner <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Kim Phillips <[email protected]> Cc: Michael Ellerman <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Ravi Bangoria <[email protected]> Cc: Sébastien Boisvert <[email protected]> Cc: Thomas Richter <[email protected]> Fixes: 2b5882435606 ("perf arm64: Generate system call table from asm/unistd.h") LPU-Reference: [email protected] Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- 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 2dbb8cade048..c88fd32563eb 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` { -- 2.14.4
