On Friday, July 20, 2018 3:24:58 AM PDT Lionel Landwerlin wrote:
> The problem with passing the configuration of the dump lib through a
> file descriptor is that it can be read only once. But under gdb you
> might want to rerun your program multiple times.
>
> This change hands the configuration through a temporary file that is
> deleted once the command line passes to intel_dump_gpu has exited.
>
> Signed-off-by: Lionel Landwerlin <lionel.g.landwer...@intel.com>
> ---
> src/intel/tools/intel_dump_gpu.c | 2 +-
> src/intel/tools/intel_dump_gpu.in | 11 ++++++++---
> 2 files changed, 9 insertions(+), 4 deletions(-)
>
> diff --git a/src/intel/tools/intel_dump_gpu.c
> b/src/intel/tools/intel_dump_gpu.c
> index 6ce7d452afb..1abe54147cf 100644
> --- a/src/intel/tools/intel_dump_gpu.c
> +++ b/src/intel/tools/intel_dump_gpu.c
> @@ -349,7 +349,7 @@ maybe_init(void)
>
> initialized = true;
>
> - config = fdopen(3, "r");
> + config = fopen(getenv("INTEL_DUMP_GPU_CONFIG"), "r");
> while (fscanf(config, "%m[^=]=%m[^\n]\n", &key, &value) != EOF) {
> if (!strcmp(key, "verbose")) {
> if (!strcmp(value, "1")) {
> diff --git a/src/intel/tools/intel_dump_gpu.in
> b/src/intel/tools/intel_dump_gpu.in
> index 9eea37189db..0454cff25da 100755
> --- a/src/intel/tools/intel_dump_gpu.in
> +++ b/src/intel/tools/intel_dump_gpu.in
> @@ -82,7 +82,12 @@ done
>
> [ -z $file ] && add_arg "file=intel.aub"
>
> +tmp_file=`mktemp`
> +echo -e $args > $tmp_file
> +
>
> LD_PRELOAD="@install_libexecdir@/libintel_dump_gpu.so${LD_PPRELOAD:+:$LD_PRELOAD}"
> \
> - exec -- "$@" 3<<EOF
> -`echo -e $args`
> -EOF
> + INTEL_DUMP_GPU_CONFIG=$tmp_file \
> + $@
> +ret=$?
> +rm $tmp_file
> +exit $ret
> Thanks so much, Lionel! Both are: Reviewed-by: Kenneth Graunke <kenn...@whitecape.org>
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