powerdebug.c - platform/external/powerdebug - Git at Google

 /*******************************************************************************
  * Copyright (C) 2010, Linaro Limited.
  *
  * This file is part of PowerDebug.
  *
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *     Amit Arora <amit.arora@linaro.org> (IBM Corporation)
  *       - initial API and implementation
  *******************************************************************************/

 #include <getopt.h>
 #include <stdbool.h>
 #include "powerdebug.h"

 static bool dump = false;
 int highlighted_row;
 int selectedwindow = -1;

 void usage(void)
 {
 	printf("Usage: powerdebug [OPTIONS]\n");
 	printf("\n");
 	printf("powerdebug -d [ -r ] [ -s ] [ -c [ -p <clock-name> ] ] "
 		"[ -v ]\n");
 	printf("powerdebug [ -r | -s | -c ]\n");
 	printf("  -r, --regulator 	Show regulator information\n");
 	printf("  -s, --sensor		Show sensor information\n");
 	printf("  -c, --clock		Show clock information\n");
 	printf("  -p, --findparents	Show all parents for a particular"
 		" clock\n");
 	printf("  -t, --time		Set ticktime in seconds (eg. 10.0)\n");
 	printf("  -d, --dump		Dump information once (no refresh)\n");
 	printf("  -v, --verbose		Verbose mode (use with -r and/or"
 		" -s)\n");
 	printf("  -V, --version		Show Version\n");
 	printf("  -h, --help 		Help\n");
 }

 void version()
 {
 	printf("powerdebug version %s\n", VERSION);
 }

 /*
  * Options:
  * -r, --regulator      : regulator
  * -s, --sensor	 	: sensors
  * -c, --clock	  	: clocks
  * -p, --findparents    : clockname whose parents have to be found
  * -t, --time		: ticktime
  * -d, --dump		: dump
  * -v, --verbose	: verbose
  * -V, --version	: version
  * -h, --help		: help
  * no option / default : show usage!
  */

 static struct option long_options[] = {
 	{ "regulator", 0, 0, 'r' },
 	{ "sensor", 0, 0, 's' },
 	{ "clock",  0, 0, 'c' },
 	{ "findparents", 1, 0, 'p' },
 	{ "time", 1, 0, 't' },
 	{ "dump", 0, 0, 'd' },
 	{ "verbose", 0, 0, 'v' },
 	{ "version", 0, 0, 'V' },
 	{ "help", 0, 0, 'h' },
 	{ 0, 0, 0, 0 }
 };

 struct powerdebug_options {
 	bool verbose;
 	bool findparent;
 	bool regulators;
 	bool sensors;
 	bool clocks;
 	unsigned int ticktime;
 	char *clkarg;
 };

 int getoptions(int argc, char *argv[], struct powerdebug_options *options)
 {
 	int c;

 	memset(options, 0, sizeof(*options));
 	options->ticktime = 10;

 	while (1) {
 		int optindex = 0;

 		c = getopt_long(argc, argv, "rscp:t:dvVh",
 				long_options, &optindex);
 		if (c == -1)
 			break;

 		switch (c) {
 		case 'r':
 			options->regulators = true;
 			selectedwindow = REGULATOR;
 			break;
 		case 's':
 			options->sensors = true;
 			selectedwindow = SENSOR;
 			break;
 		case 'c':
 			options->clocks = true;
 			selectedwindow = CLOCK;
 			break;
 		case 'p':
 			options->findparent = true;
 			options->clkarg = strdup(optarg);
 			if (!options->clkarg) {
 				fprintf(stderr, "failed to allocate memory");
 				return -1;
 			}
 			break;
 		case 't':
 			options->ticktime = atoi(optarg);
 			break;
 		case 'd':
 			dump = true;
 			break;
 		case 'v':
 			options->verbose = true;
 			break;
 		case 'V':
 			version();
 			break;
 		case '?':
 			fprintf(stderr, "%s: Unknown option %c'.\n",
 				argv[0], optopt);
 		default:
 			return -1;
 		}
 	}

 	if (dump && !(options->regulators ||
 		      options->clocks || options->sensors)) {
 		/* By Default lets show everything we have */
 		options->regulators = options->clocks = options->sensors = true;
 	}

 	if (options->findparent && (!options->clocks || !dump)) {
 		fprintf(stderr, "-p option passed without -c and -d."
 			" Exiting...\n");
 		return -1;
 	}

 	if (!dump && selectedwindow == -1)
 		selectedwindow = CLOCK;

 	return 0;
 }

 int keystroke_callback(bool *enter_hit, bool *findparent_ncurses,
 		       char *clkname_str, bool *refreshwin,
 		       struct powerdebug_options *options)
 {
 	char keychar;
 	int keystroke = getch();
 	int oldselectedwin = selectedwindow;

 	if (keystroke == EOF)
 		exit(0);

 	if (keystroke == KEY_RIGHT || keystroke == 9)
 		selectedwindow++;

 	if (keystroke == KEY_LEFT || keystroke == 353)
 		selectedwindow--;

 	if (selectedwindow >= TOTAL_FEATURE_WINS)
 		selectedwindow = 0;

 	if (selectedwindow < 0)
 		selectedwindow = TOTAL_FEATURE_WINS - 1;

 	if (selectedwindow == CLOCK) {
 		if (keystroke == KEY_DOWN)
 			highlighted_row++;
 		if (keystroke == KEY_UP && highlighted_row > 0)
 			highlighted_row--;
 		if (keystroke == 47)
 			*findparent_ncurses = true;

 		if ((keystroke == 27 || oldselectedwin !=
 		     selectedwindow) && *findparent_ncurses) {
 			*findparent_ncurses = false;
 			clkname_str[0] = '\0';
 		}

 		if (*findparent_ncurses && keystroke != 13) {
 			int len = strlen(clkname_str);
 			char str[2];

 			if (keystroke == 263) {
 				if (len > 0)
 					len--;

 				clkname_str[len] = '\0';
 			} else {
 				if (strlen(clkname_str) ||
 				    keystroke != '/') {
 					str[0] = keystroke;
 					str[1] = '\0';
 					if (len < 63)
 						strcat(clkname_str,
 						       str);
 				}
 			}
 		}
 	}

 	keychar = toupper(keystroke);
 //#define DEBUG
 #ifdef DEBUG
 	killall_windows(1); fini_curses();
 	printf("key entered %d:%c\n", keystroke, keychar);
 	exit(1);
 #endif

 	if (keystroke == 13)
 		*enter_hit = true;

 	if (keychar == 'Q' && !*findparent_ncurses)
 		return 1;
 	if (keychar == 'R') {
 		*refreshwin = true;
 		options->ticktime = 3;
 	} else
 		*refreshwin = false;

 	return 0;
 }

 int mainloop(struct powerdebug_options *options)
 {
 	bool findparent_ncurses = false;
 	bool refreshwin = false;
 	bool enter_hit = false;
 	int firsttime[TOTAL_FEATURE_WINS];
 	int i;
 	char clkname_str[64];

 	for (i = 0; i < TOTAL_FEATURE_WINS; i++)
 		firsttime[i] = 1;

 	while (1) {
 		int key = 0;
 		struct timeval tval;
 		fd_set readfds;

 		if (!dump) {
 			if (firsttime[0])
 				init_curses();
 			create_windows();
 			show_header();
 		}

 		if (options->regulators || selectedwindow == REGULATOR) {
 			read_regulator_info();
 			if (!dump) {
 				create_selectedwindow();
 				show_regulator_info(options->verbose);
 			}
 			else
 				print_regulator_info(options->verbose);
 		}

 		if (options->clocks || selectedwindow == CLOCK) {
 			int ret = 0;
 			if (firsttime[CLOCK]) {
 				ret = init_clock_details(dump);
 				if (!ret)
 					firsttime[CLOCK] = 0;
 				strcpy(clkname_str, "");
 			}
 			if (!ret && !dump) {
 				int hrow;

 				create_selectedwindow();
 				if (!findparent_ncurses) {
 					int command = 0;

 					if (enter_hit)
 						command = CLOCK_SELECTED;
 					if (refreshwin)
 						command = REFRESH_WINDOW;
 					hrow = read_and_print_clock_info(
 						options->verbose,
 						highlighted_row,
 						command);
 					highlighted_row = hrow;
 					enter_hit = false;
 				} else
 					find_parents_for_clock(clkname_str,
 							       enter_hit, dump);
 			}
 			if (!ret && dump) {
 				if (options->findparent)
 					read_and_dump_clock_info_one(options->clkarg, dump);
 				else
 					read_and_dump_clock_info(options->verbose);
 			}
 		}

 		if (options->sensors || selectedwindow == SENSOR) {
 			if (!dump) {
 				create_selectedwindow();
 				print_sensor_header();
 			} else
 				read_and_print_sensor_info(options->verbose);
 		}

 		if (dump)
 			break;

 		FD_ZERO(&readfds);
 		FD_SET(0, &readfds);
 		tval.tv_sec = options->ticktime;
 		tval.tv_usec = (options->ticktime - tval.tv_sec) * 1000000;

 		key = select(1, &readfds, NULL, NULL, &tval);
 		if (!key)
 			continue;

 		if (keystroke_callback(&enter_hit, &findparent_ncurses,
 				       clkname_str, &refreshwin, options))
 			break;

 	}

 	return 0;
 }

 int main(int argc, char **argv)
 {
 	struct powerdebug_options *options;

 	options = malloc(sizeof(*options));
 	if (!options) {
 		fprintf(stderr, "failed to allocated memory\n");
 		return -1;
 	}

 	if (getoptions(argc, argv, options)) {
 		usage();
 		return 1;
 	}

 	if (init_regulator_ds())
 		return 1;

 	if (mainloop(options))
 		return 1;

 	return 0;
 }
	/*******************************************************************************
	* Copyright (C) 2010, Linaro Limited.
	*
	* This file is part of PowerDebug.
	*
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* Amit Arora <amit.arora@linaro.org> (IBM Corporation)
	* - initial API and implementation
	*******************************************************************************/

	#include <getopt.h>
	#include <stdbool.h>
	#include "powerdebug.h"

	static bool dump = false;
	int highlighted_row;
	int selectedwindow = -1;

	void usage(void)
	{
	printf("Usage: powerdebug [OPTIONS]\n");
	printf("\n");
	printf("powerdebug -d [ -r ] [ -s ] [ -c [ -p <clock-name> ] ] "
	"[ -v ]\n");
	printf("powerdebug [ -r \| -s \| -c ]\n");
	printf(" -r, --regulator Show regulator information\n");
	printf(" -s, --sensor Show sensor information\n");
	printf(" -c, --clock Show clock information\n");
	printf(" -p, --findparents Show all parents for a particular"
	" clock\n");
	printf(" -t, --time Set ticktime in seconds (eg. 10.0)\n");
	printf(" -d, --dump Dump information once (no refresh)\n");
	printf(" -v, --verbose Verbose mode (use with -r and/or"
	" -s)\n");
	printf(" -V, --version Show Version\n");
	printf(" -h, --help Help\n");
	}

	void version()
	{
	printf("powerdebug version %s\n", VERSION);
	}

	/*
	* Options:
	* -r, --regulator : regulator
	* -s, --sensor : sensors
	* -c, --clock : clocks
	* -p, --findparents : clockname whose parents have to be found
	* -t, --time : ticktime
	* -d, --dump : dump
	* -v, --verbose : verbose
	* -V, --version : version
	* -h, --help : help
	* no option / default : show usage!
	*/

	static struct option long_options[] = {
	{ "regulator", 0, 0, 'r' },
	{ "sensor", 0, 0, 's' },
	{ "clock", 0, 0, 'c' },
	{ "findparents", 1, 0, 'p' },
	{ "time", 1, 0, 't' },
	{ "dump", 0, 0, 'd' },
	{ "verbose", 0, 0, 'v' },
	{ "version", 0, 0, 'V' },
	{ "help", 0, 0, 'h' },
	{ 0, 0, 0, 0 }
	};

	struct powerdebug_options {
	bool verbose;
	bool findparent;
	bool regulators;
	bool sensors;
	bool clocks;
	unsigned int ticktime;
	char *clkarg;
	};

	int getoptions(int argc, char argv[], struct powerdebug_options options)
	{
	int c;

	memset(options, 0, sizeof(*options));
	options->ticktime = 10;

	while (1) {
	int optindex = 0;

	c = getopt_long(argc, argv, "rscp:t:dvVh",
	long_options, &optindex);
	if (c == -1)
	break;

	switch (c) {
	case 'r':
	options->regulators = true;
	selectedwindow = REGULATOR;
	break;
	case 's':
	options->sensors = true;
	selectedwindow = SENSOR;
	break;
	case 'c':
	options->clocks = true;
	selectedwindow = CLOCK;
	break;
	case 'p':
	options->findparent = true;
	options->clkarg = strdup(optarg);
	if (!options->clkarg) {
	fprintf(stderr, "failed to allocate memory");
	return -1;
	}
	break;
	case 't':
	options->ticktime = atoi(optarg);
	break;
	case 'd':
	dump = true;
	break;
	case 'v':
	options->verbose = true;
	break;
	case 'V':
	version();
	break;
	case '?':
	fprintf(stderr, "%s: Unknown option %c'.\n",
	argv[0], optopt);
	default:
	return -1;
	}
	}

	if (dump && !(options->regulators \|\|
	options->clocks \|\| options->sensors)) {
	/* By Default lets show everything we have */
	options->regulators = options->clocks = options->sensors = true;
	}

	if (options->findparent && (!options->clocks \|\| !dump)) {
	fprintf(stderr, "-p option passed without -c and -d."
	" Exiting...\n");
	return -1;
	}

	if (!dump && selectedwindow == -1)
	selectedwindow = CLOCK;

	return 0;
	}

	int keystroke_callback(bool enter_hit, bool findparent_ncurses,
	char clkname_str, bool refreshwin,
	struct powerdebug_options *options)
	{
	char keychar;
	int keystroke = getch();
	int oldselectedwin = selectedwindow;

	if (keystroke == EOF)
	exit(0);

	if (keystroke == KEY_RIGHT \|\| keystroke == 9)
	selectedwindow++;

	if (keystroke == KEY_LEFT \|\| keystroke == 353)
	selectedwindow--;

	if (selectedwindow >= TOTAL_FEATURE_WINS)
	selectedwindow = 0;

	if (selectedwindow < 0)
	selectedwindow = TOTAL_FEATURE_WINS - 1;

	if (selectedwindow == CLOCK) {
	if (keystroke == KEY_DOWN)
	highlighted_row++;
	if (keystroke == KEY_UP && highlighted_row > 0)
	highlighted_row--;
	if (keystroke == 47)
	*findparent_ncurses = true;

	if ((keystroke == 27 \|\| oldselectedwin !=
	selectedwindow) && *findparent_ncurses) {
	*findparent_ncurses = false;
	clkname_str[0] = '\0';
	}

	if (*findparent_ncurses && keystroke != 13) {
	int len = strlen(clkname_str);
	char str[2];

	if (keystroke == 263) {
	if (len > 0)
	len--;

	clkname_str[len] = '\0';
	} else {
	if (strlen(clkname_str) \|\|
	keystroke != '/') {
	str[0] = keystroke;
	str[1] = '\0';
	if (len < 63)
	strcat(clkname_str,
	str);
	}
	}
	}
	}

	keychar = toupper(keystroke);
	//#define DEBUG
	#ifdef DEBUG
	killall_windows(1); fini_curses();
	printf("key entered %d:%c\n", keystroke, keychar);
	exit(1);
	#endif

	if (keystroke == 13)
	*enter_hit = true;

	if (keychar == 'Q' && !*findparent_ncurses)
	return 1;
	if (keychar == 'R') {
	*refreshwin = true;
	options->ticktime = 3;
	} else
	*refreshwin = false;

	return 0;
	}

	int mainloop(struct powerdebug_options *options)
	{
	bool findparent_ncurses = false;
	bool refreshwin = false;
	bool enter_hit = false;
	int firsttime[TOTAL_FEATURE_WINS];
	int i;
	char clkname_str[64];

	for (i = 0; i < TOTAL_FEATURE_WINS; i++)
	firsttime[i] = 1;

	while (1) {
	int key = 0;
	struct timeval tval;
	fd_set readfds;

	if (!dump) {
	if (firsttime[0])
	init_curses();
	create_windows();
	show_header();
	}

	if (options->regulators \|\| selectedwindow == REGULATOR) {
	read_regulator_info();
	if (!dump) {
	create_selectedwindow();
	show_regulator_info(options->verbose);
	}
	else
	print_regulator_info(options->verbose);
	}

	if (options->clocks \|\| selectedwindow == CLOCK) {
	int ret = 0;
	if (firsttime[CLOCK]) {
	ret = init_clock_details(dump);
	if (!ret)
	firsttime[CLOCK] = 0;
	strcpy(clkname_str, "");
	}
	if (!ret && !dump) {
	int hrow;

	create_selectedwindow();
	if (!findparent_ncurses) {
	int command = 0;

	if (enter_hit)
	command = CLOCK_SELECTED;
	if (refreshwin)
	command = REFRESH_WINDOW;
	hrow = read_and_print_clock_info(
	options->verbose,
	highlighted_row,
	command);
	highlighted_row = hrow;
	enter_hit = false;
	} else
	find_parents_for_clock(clkname_str,
	enter_hit, dump);
	}
	if (!ret && dump) {
	if (options->findparent)
	read_and_dump_clock_info_one(options->clkarg, dump);
	else
	read_and_dump_clock_info(options->verbose);
	}
	}

	if (options->sensors \|\| selectedwindow == SENSOR) {
	if (!dump) {
	create_selectedwindow();
	print_sensor_header();
	} else
	read_and_print_sensor_info(options->verbose);
	}

	if (dump)
	break;

	FD_ZERO(&readfds);
	FD_SET(0, &readfds);
	tval.tv_sec = options->ticktime;
	tval.tv_usec = (options->ticktime - tval.tv_sec) * 1000000;

	key = select(1, &readfds, NULL, NULL, &tval);
	if (!key)
	continue;

	if (keystroke_callback(&enter_hit, &findparent_ncurses,
	clkname_str, &refreshwin, options))
	break;

	}

	return 0;
	}

	int main(int argc, char **argv)
	{
	struct powerdebug_options *options;

	options = malloc(sizeof(*options));
	if (!options) {
	fprintf(stderr, "failed to allocated memory\n");
	return -1;
	}

	if (getoptions(argc, argv, options)) {
	usage();
	return 1;
	}

	if (init_regulator_ds())
	return 1;

	if (mainloop(options))
	return 1;

	return 0;
	}