[PATCH i-g-t 2/2] benchmarks/gem_wsim: Option to list physical engines
Laguna, Lukasz
lukasz.laguna at intel.com
Wed Jan 24 11:41:38 UTC 2024
On 1/15/2024 16:44, Marcin Bernatowicz wrote:
> Added command line option (-l) to list physical engines.
>
> Signed-off-by: Marcin Bernatowicz<marcin.bernatowicz at linux.intel.com>
> ---
> benchmarks/gem_wsim.c | 43 ++++++++++++++++++++++++++++++++++++++++++-
> 1 file changed, 42 insertions(+), 1 deletion(-)
>
> diff --git a/benchmarks/gem_wsim.c b/benchmarks/gem_wsim.c
> index e79d26513..aa70b1770 100644
> --- a/benchmarks/gem_wsim.c
> +++ b/benchmarks/gem_wsim.c
> @@ -2924,6 +2924,7 @@ static void print_help(void)
> " -f <scale> Scale factor for batch durations.\n"
> " -F <scale> Scale factor for delays.\n"
> " -L List GPUs.\n"
> +" -l List physical engines.\n"
> " -D <gpu> One of the GPUs from -L.\n"
> );
> }
> @@ -2983,10 +2984,42 @@ add_workload_arg(struct w_arg *w_args, unsigned int nr_args, char *w_arg,
> return w_args;
> }
>
> +static void list_engines(void)
> +{
> + struct intel_engines *engines = query_engines();
> + int engine_class_count[NUM_ENGINE_CLASSES] = {};
> + unsigned int i;
> +
> + for (i = 0; i < engines->nr_engines; ++i) {
> + igt_assert_lt(engines->engines[i].engine_class, NUM_ENGINE_CLASSES);
> + engine_class_count[engines->engines[i].engine_class]++;
> + }
> +
> + for (i = 0; i < engines->nr_engines; ++i) {
> + if (engine_class_count[engines->engines[i].engine_class] > 1)
> + printf("%s%u",
> + intel_engine_class_string(engines->engines[i].engine_class),
> + engines->engines[i].engine_instance + 1);
> + else
> + printf("%s",
> + intel_engine_class_string(engines->engines[i].engine_class));
> +
> + if (is_xe && engines->engines[i].gt_id)
> + printf("-%u", engines->engines[i].gt_id);
> +
> + if (verbose > 3)
> + printf(" [%d:%d:%d]", engines->engines[i].engine_class,
> + engines->engines[i].engine_instance,
> + engines->engines[i].gt_id);
> + printf("\n");
> + }
> +}
> +
> int main(int argc, char **argv)
> {
> struct igt_device_card card = { };
> bool list_devices_arg = false;
> + bool list_engines_arg = false;
> unsigned int repeat = 1;
> unsigned int clients = 1;
> unsigned int flags = 0;
> @@ -3009,11 +3042,14 @@ int main(int argc, char **argv)
> master_prng = time(NULL);
>
> while ((c = getopt(argc, argv,
> - "LhqvsSdc:r:w:W:a:p:I:f:F:D:")) != -1) {
> + "LlhqvsSdc:r:w:W:a:p:I:f:F:D:")) != -1) {
> switch (c) {
> case 'L':
> list_devices_arg = true;
> break;
> + case 'l':
> + list_engines_arg = true;
> + break;
> case 'D':
> device_arg = strdup(optarg);
> break;
> @@ -3134,6 +3170,11 @@ int main(int argc, char **argv)
> if (is_xe)
> xe_device_get(fd);
>
> + if (list_engines_arg) {
> + list_engines();
> + goto out;
> + }
> +
> if (!nr_w_args) {
> wsim_err("No workload descriptor(s)!\n");
> goto err;
LGTM, Reviewed-by: Lukasz Laguna <lukasz.laguna at intel.com>
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