Re: [PATCH i-g-t 3/3] gputop: Add memory information

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Hi Tvrtko,

On 2023-07-05 at 17:31:05 +0100, Tvrtko Ursulin wrote:
> From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> 
> Show total and resident memory usage for clients which support it.
> 
> For simplicity all memory regions are summed up and shown under a single
> heading.
> 
> Co-developed-by: Rob Clark <robdclark@xxxxxxxxxxxx>
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> ---
>  tools/gputop.c | 34 +++++++++++++++++++++++++++++++++-
>  1 file changed, 33 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/gputop.c b/tools/gputop.c
> index 681f0a6bb748..b5b360cbb063 100644
> --- a/tools/gputop.c
> +++ b/tools/gputop.c
> @@ -28,6 +28,7 @@
>  
>  #include "igt_drm_clients.h"
>  #include "igt_drm_fdinfo.h"
> +#include "drmtest.h"
>  
>  static const char *bars[] = { " ", "▏", "▎", "▍", "▌", "▋", "▊", "▉", "█" };
>  
> @@ -80,7 +81,11 @@ print_client_header(struct igt_drm_client *c, int lines, int con_w, int con_h,
>  		return lines;
>  
>  	putchar('\n');
> -	len = printf("%*s ", c->clients->max_pid_len, "PID");
> +	if (c->regions->num_regions)
> +		len = printf("%*s      MEM      RSS ",
> +			     c->clients->max_pid_len, "PID");
> +	else
> +		len = printf("%*s ", c->clients->max_pid_len, "PID");
>  
>  	if (c->engines->num_engines) {
>  		unsigned int i;
> @@ -121,12 +126,28 @@ newheader(const struct igt_drm_client *c, const struct igt_drm_client *pc)
>  	return !pc || c->drm_minor != pc->drm_minor;
>  }
>  
> +static int
> +print_size(uint64_t sz)
> +{
> +	char units[] = {'B', 'K', 'M', 'G'};
> +	unsigned u;
------- ^
Better:
	unsigned int u;

With that add my r-b tag,

Regards,
Kamil

> +
> +	for (u = 0; u < ARRAY_SIZE(units) - 1; u++) {
> +		if (sz < 1024)
> +			break;
> +		sz /= 1024;
> +	}
> +
> +	return printf("%7"PRIu64"%c ", sz, units[u]);
> +}
> +
>  static int
>  print_client(struct igt_drm_client *c, struct igt_drm_client **prevc,
>  	     double t, int lines, int con_w, int con_h,
>  	     unsigned int period_us, int *engine_w)
>  {
>  	unsigned int i;
> +	uint64_t sz;
>  	int len;
>  
>  	/* Filter out idle clients. */
> @@ -143,6 +164,17 @@ print_client(struct igt_drm_client *c, struct igt_drm_client **prevc,
>  	*prevc = c;
>  
>  	len = printf("%*s ", c->clients->max_pid_len, c->pid_str);
> +
> +	if (c->regions->num_regions) {
> +		for (sz = 0, i = 0; i < c->regions->max_region_id; i++)
> +			sz += c->memory[i].total;
> +		len += print_size(sz);
> +
> +		for (sz = 0, i = 0; i < c->regions->max_region_id; i++)
> +			sz += c->memory[i].resident;
> +		len += print_size(sz);
> +	}
> +
>  	lines++;
>  
>  	for (i = 0; c->samples > 1 && i <= c->engines->max_engine_id; i++) {
> -- 
> 2.39.2
> 



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