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Commit 02af3cb5 authored by Dominik Brodowski's avatar Dominik Brodowski
Browse files

cpupowerutils: bench - ConfigStyle bugfixes 



Signed-off-by: default avatarDominik Brodowski <linux@dominikbrodowski.net>
parent f5ac0641

tools/power/cpupower/Makefile

+2 −3
Original line number Original line Diff line number Diff line
@@ -277,5 +277,4 @@ uninstall: 
		rm -f $(DESTDIR)${localedir}/$$HLANG/LC_MESSAGES/cpupowerutils.mo; \

		rm -f $(DESTDIR)${localedir}/$$HLANG/LC_MESSAGES/cpupowerutils.mo; \

	  done;

	  done;





.PHONY: all utils libcpufreq update-po create-gmo install-lib install-tools install-man install-gmo install uninstall \

.PHONY: all utils libcpufreq update-po create-gmo install-lib install-tools install-man install-gmo install uninstall clean
 
	clean

tools/power/cpupower/bench/benchmark.c

+29 −19
Original line number Original line Diff line number Diff line
@@ -37,7 +37,7 @@ if (config->output != stdout) { \ 
 * compute how many rounds of calculation we should do

 * compute how many rounds of calculation we should do

 * to get the given load time

 * to get the given load time

 *

 *

 * @param load aimed load time in s

 * @param load aimed load time in µs

 *

 *

 * @retval rounds of calculation

 * @retval rounds of calculation

 **/

 **/
@@ -62,8 +62,7 @@ unsigned int calculate_timespace(long load, struct config *config) 




	/* approximation of the wanted load time by comparing with the

	/* approximation of the wanted load time by comparing with the

	 * initial calculation time */

	 * initial calculation time */

	for (i= 0; i < 4; i++)

	for (i = 0; i < 4; i++) {

	{

		rounds = (unsigned int)(load * estimated / timed);

		rounds = (unsigned int)(load * estimated / timed);

		dprintf("calibrating with %u rounds\n", rounds);

		dprintf("calibrating with %u rounds\n", rounds);

		now = get_time();

		now = get_time();
@@ -130,9 +129,10 @@ void start_benchmark(struct config *config) 
		fprintf(config->output, "%u %li %li ",

		fprintf(config->output, "%u %li %li ",

			_round, load_time, sleep_time);

			_round, load_time, sleep_time);





		if (config->verbose) {

		if (config->verbose)

			printf("avarage: %lius, rps:%li\n", load_time / calculations, 1000000 * calculations / load_time);

			printf("avarage: %lius, rps:%li\n",

		}

				load_time / calculations,

				1000000 * calculations / load_time);





		/* do some sleep/load cycles with the performance governor */

		/* do some sleep/load cycles with the performance governor */

		for (cycle = 0; cycle < config->cycles; cycle++) {

		for (cycle = 0; cycle < config->cycles; cycle++) {
@@ -142,10 +142,14 @@ void start_benchmark(struct config *config) 
			then = get_time();

			then = get_time();

			performance_time += then - now - sleep_time;

			performance_time += then - now - sleep_time;

			if (config->verbose)

			if (config->verbose)

				printf("performance cycle took %lius, sleep: %lius, load: %lius, rounds: %u\n",

				printf("performance cycle took %lius, "

					(long)(then - now), sleep_time, load_time, calculations);

					"sleep: %lius, "

					"load: %lius, rounds: %u\n",

					(long)(then - now), sleep_time,

					load_time, calculations);

		}

		}

		fprintf(config->output, "%li ", performance_time / config->cycles);

		fprintf(config->output, "%li ",

			performance_time / config->cycles);





		progress_time += sleep_time + load_time;

		progress_time += sleep_time + load_time;

		show_progress(total_time, progress_time);

		show_progress(total_time, progress_time);
@@ -155,7 +159,8 @@ void start_benchmark(struct config *config) 
		if (set_cpufreq_governor(config->governor, config->cpu) != 0)

		if (set_cpufreq_governor(config->governor, config->cpu) != 0)

			return;

			return;





		/* again, do some sleep/load cycles with the powersave governor */

		/* again, do some sleep/load cycles with the

		 * powersave governor */

		for (cycle = 0; cycle < config->cycles; cycle++) {

		for (cycle = 0; cycle < config->cycles; cycle++) {

			now = get_time();

			now = get_time();

			usleep(sleep_time);

			usleep(sleep_time);
@@ -163,22 +168,27 @@ void start_benchmark(struct config *config) 
			then = get_time();

			then = get_time();

			powersave_time += then - now - sleep_time;

			powersave_time += then - now - sleep_time;

			if (config->verbose)

			if (config->verbose)

				printf("powersave cycle took %lius, sleep: %lius, load: %lius, rounds: %u\n",

				printf("powersave cycle took %lius, "

					(long)(then - now), sleep_time, load_time, calculations);

					"sleep: %lius, "

					"load: %lius, rounds: %u\n",

					(long)(then - now), sleep_time,

					load_time, calculations);

		}

		}





		progress_time += sleep_time + load_time;

		progress_time += sleep_time + load_time;





		/* compare the avarage sleep/load cycles  */

		/* compare the avarage sleep/load cycles  */

		fprintf(config->output, "%li ", powersave_time / config->cycles);

		fprintf(config->output, "%li ",

		fprintf(config->output, "%.3f\n", performance_time * 100.0 / powersave_time);

			powersave_time / config->cycles);

		fprintf(config->output, "%.3f\n",

			performance_time * 100.0 / powersave_time);

		fflush(config->output);

		fflush(config->output);





		if (config->verbose)

		if (config->verbose)

			printf("performance is at %.2f%%\n", performance_time * 100.0 / powersave_time);

			printf("performance is at %.2f%%\n",

				performance_time * 100.0 / powersave_time);





		sleep_time += config->sleep_step;

		sleep_time += config->sleep_step;

		load_time += config->load_step;

		load_time += config->load_step;

	}

	}

}
 
}

tools/power/cpupower/bench/benchmark.h

+5 −3
Original line number Original line Diff line number Diff line
@@ -20,7 +20,9 @@ 
/* load loop, this schould take about 1 to 2ms to complete */

/* load loop, this schould take about 1 to 2ms to complete */

#define ROUNDS(x) {unsigned int rcnt;			       \

#define ROUNDS(x) {unsigned int rcnt;			       \

		for (rcnt = 0; rcnt < x*1000; rcnt++) { \

		for (rcnt = 0; rcnt < x*1000; rcnt++) { \

			(void)(((int)(pow(rcnt, rcnt) * sqrt(rcnt*7230970)) ^ 7230716) ^ (int)atan2(rcnt, rcnt)); \

			(void)(((int)(pow(rcnt, rcnt) * \

				      sqrt(rcnt*7230970)) ^ 7230716) ^ \

				      (int)atan2(rcnt, rcnt));	       \

		} }							\

		} }							\

tools/power/cpupower/bench/config.h

+1 −1
Original line number Original line Diff line number Diff line
@@ -31,6 +31,6 @@ 
#ifdef DEBUG

#ifdef DEBUG

#define dprintf printf

#define dprintf printf

#else

#else

#define dprintf( ... ) while(0) { }

#define dprintf(...) do { } while (0)

#endif

#endif

tools/power/cpupower/bench/main.c

+3 −4
Original line number Original line Diff line number Diff line
@@ -28,8 +28,7 @@ 
#include "system.h"

#include "system.h"

#include "benchmark.h"

#include "benchmark.h"





static struct option long_options[] =

static struct option long_options[] = {

{

	{"output",	1,	0,	'o'},

	{"output",	1,	0,	'o'},

	{"sleep",	1,	0,	's'},

	{"sleep",	1,	0,	's'},

	{"load",	1,	0,	'l'},

	{"load",	1,	0,	'l'},