Re: [igt-dev] [PATCH i-g-t 3/3] intel_gpu_top: Add CVS output format

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On Fri, Feb 03, 2023 at 11:16:36AM +0000, Tvrtko Ursulin wrote:
> From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> 
> Add CVS output mode.

Should that be csv?

> 
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> Cc: Caleb Callaway <caleb.callaway@xxxxxxxxx>
> ---
>  man/intel_gpu_top.rst |  3 ++
>  tools/intel_gpu_top.c | 78 +++++++++++++++++++++++++++++++++++++++++--
>  2 files changed, 78 insertions(+), 3 deletions(-)
> 
> diff --git a/man/intel_gpu_top.rst b/man/intel_gpu_top.rst
> index 69834756b81e..77228277b9bf 100644
> --- a/man/intel_gpu_top.rst
> +++ b/man/intel_gpu_top.rst
> @@ -31,6 +31,9 @@ OPTIONS
>  -h
>      Show help text.
>  
> +-c
> +    Output CVS formatted data.
> +
>  -J
>      Output JSON formatted data.
>  
> diff --git a/tools/intel_gpu_top.c b/tools/intel_gpu_top.c
> index a980cc7043dc..4c425ca027e3 100644
> --- a/tools/intel_gpu_top.c
> +++ b/tools/intel_gpu_top.c
> @@ -1268,6 +1268,7 @@ usage(const char *appname)
>  		"\n"
>  		"\tThe following parameters are optional:\n\n"
>  		"\t[-h]            Show this help text.\n"
> +		"\t[-c]            Output CVS formatted data.\n"
>  		"\t[-J]            Output JSON formatted data.\n"
>  		"\t[-l]            List plain text data.\n"
>  		"\t[-o <file|->]   Output to specified file or '-' for standard out.\n"
> @@ -1283,6 +1284,7 @@ usage(const char *appname)
>  static enum {
>  	INTERACTIVE,
>  	TEXT,
> +	CVS,
>  	JSON
>  } output_mode;
>  
> @@ -1457,6 +1459,22 @@ text_add_member(const struct cnt_group *parent, struct cnt_item *item,
>  	return len > 0 ? len : 0;
>  }
>  
> +static unsigned int
> +cvs_add_member(const struct cnt_group *parent, struct cnt_item *item,
> +	       unsigned int headers)
> +{
> +	int len = 0;
> +
> +	if (headers)
> +		fprintf(out, "%s %s", parent->display_name, item->unit);
> +	else
> +		len = fprintf(out, "%f",
> +			      pmu_calc(&item->pmu->val, item->d, item->t,
> +				       item->s));
> +
> +	return len > 0 ? len : 0;
> +}
> +
>  static void
>  term_open_struct(const char *name)
>  {
> @@ -1540,6 +1558,46 @@ print_group(struct cnt_group *grp, unsigned int headers)
>  	return consumed;
>  }
>  
> +static unsigned int cvs_count, prev_cvs_count;
> +
> +static void cvs_close_struct(void)
> +{
> +	assert(text_level > 0);
> +	if (--text_level == 0) {
> +		cvs_count = prev_cvs_count = 0;
> +		text_lines++;
> +		fputs("\n", out);
> +		fflush(out);
> +	}
> +}
> +
> +static bool
> +cvs_print_group(struct cnt_group *grp, unsigned int headers)
> +{
> +	unsigned int consumed = 0;
> +	struct cnt_item *item;
> +
> +	if (!present_in_group(grp))
> +		return false;
> +
> +	text_open_struct(grp->name);
> +
> +	for (item = grp->items; item->name; item++) {
> +		if (!item->pmu || !item->pmu->present)
> +			continue;
> +
> +		if (cvs_count != prev_cvs_count)
> +			fprintf(out, ",");
> +		prev_cvs_count = cvs_count++;
> +
> +		consumed += cvs_add_member(grp, item, headers);
> +	}
> +
> +	cvs_close_struct();
> +
> +	return consumed;
> +}
> +
>  static bool
>  term_print_group(struct cnt_group *grp, unsigned int headers)
>  {
> @@ -1570,6 +1628,13 @@ static const struct print_operations text_pops = {
>  	.print_group = print_group,
>  };
>  
> +static const struct print_operations cvs_pops = {
> +	.open_struct = text_open_struct,
> +	.close_struct = cvs_close_struct,
> +	.add_member = cvs_add_member,
> +	.print_group = cvs_print_group,
> +};
> +
>  static const struct print_operations term_pops = {
>  	.open_struct = term_open_struct,
>  	.close_struct = term_close_struct,
> @@ -1582,11 +1647,12 @@ static bool print_groups(struct cnt_group **groups)
>  	static bool headers_printed = false;
>  	bool print_data = true;
>  
> -	if (output_mode == TEXT &&
> +	if ((output_mode == TEXT || output_mode == CVS) &&
>  	    (text_header_repeat || !headers_printed)) {
> +		const unsigned int header_lines = output_mode == TEXT ? 2 : 1;
>  		unsigned int headers = text_lines % TEXT_HEADER_REPEAT + 1;
>  
> -		if (headers == 1 || headers == 2)
> +		if (headers > 0 && headers <= header_lines)
>  			for (struct cnt_group **grp = groups; *grp; grp++)
>  				print_data = pops->print_group(*grp, headers);
>  
> @@ -2469,7 +2535,7 @@ int main(int argc, char **argv)
>  	char *codename = NULL;
>  
>  	/* Parse options */
> -	while ((ch = getopt(argc, argv, "o:s:d:pJLlh")) != -1) {
> +	while ((ch = getopt(argc, argv, "o:s:d:pcJLlh")) != -1) {
>  		switch (ch) {
>  		case 'o':
>  			output_path = optarg;
> @@ -2483,6 +2549,9 @@ int main(int argc, char **argv)
>  		case 'p':
>  			physical_engines = true;
>  			break;
> +		case 'c':
> +			output_mode = CVS;
> +			break;
>  		case 'J':
>  			output_mode = JSON;
>  			break;
> @@ -2532,6 +2601,9 @@ int main(int argc, char **argv)
>  	case TEXT:
>  		pops = &text_pops;
>  		break;
> +	case CVS:
> +		pops = &cvs_pops;
> +		break;
>  	case JSON:
>  		pops = &json_pops;
>  		break;
> -- 
> 2.34.1

-- 
Ville Syrjälä
Intel



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