Release 4.11 tools/perf/util/color.c

Directory: tools/perf/util
#include <linux/kernel.h>
#include "cache.h"
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include "color.h"
#include <math.h>
#include <unistd.h>


int perf_use_color_default = -1;



int perf_config_colorbool(const char *var, const char *value, int stdout_is_tty)
{
	if (value) {
		if (!strcasecmp(value, "never"))
			return 0;
		if (!strcasecmp(value, "always"))
			return 1;
		if (!strcasecmp(value, "auto"))
			goto auto_color;
	}

	/* Missing or explicit false to turn off colorization */
	if (!perf_config_bool(var, value))
		return 0;

	/* any normal truth value defaults to 'auto' */
 auto_color:
	if (stdout_is_tty < 0)
		stdout_is_tty = isatty(1);
	if (stdout_is_tty || pager_in_use()) {
		char *term = getenv("TERM");
		if (term && strcmp(term, "dumb"))
			return 1;
	}
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
Ingo Molnar 128 100.00% 1 100.00%
Total 128 100.00% 1 100.00%



int perf_color_default_config(const char *var, const char *value,
			      void *cb __maybe_unused)
{
	if (!strcmp(var, "color.ui")) {
		perf_use_color_default = perf_config_colorbool(var, value, -1);
		return 0;
	}

	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
Ingo Molnar 48 96.00% 1 50.00%
Wang Nan 2 4.00% 1 50.00%
Total 50 100.00% 2 100.00%



static int __color_vsnprintf(char *bf, size_t size, const char *color,
			     const char *fmt, va_list args, const char *trail)
{
	int r = 0;

	/*
         * Auto-detect:
         */
	if (perf_use_color_default < 0) {
		if (isatty(1) || pager_in_use())
			perf_use_color_default = 1;
		else
			perf_use_color_default = 0;
	}

	if (perf_use_color_default && *color)
		r += scnprintf(bf, size, "%s", color);
	r += vscnprintf(bf + r, size - r, fmt, args);
	if (perf_use_color_default && *color)
		r += scnprintf(bf + r, size - r, "%s", PERF_COLOR_RESET);
	if (trail)
		r += scnprintf(bf + r, size - r, "%s", trail);
	return r;
}

Contributors
Person Tokens Prop Commits CommitProp
Arnaldo Carvalho de Melo 149 100.00% 2 100.00%
Total 149 100.00% 2 100.00%

/* Colors are not included in return value */


static int __color_vfprintf(FILE *fp, const char *color, const char *fmt,
		va_list args)
{
	int r = 0;

	/*
         * Auto-detect:
         */
	if (perf_use_color_default < 0) {
		if (isatty(fileno(fp)) || pager_in_use())
			perf_use_color_default = 1;
		else
			perf_use_color_default = 0;
	}

	if (perf_use_color_default && *color)
		fprintf(fp, "%s", color);
	r += vfprintf(fp, fmt, args);
	if (perf_use_color_default && *color)
		fprintf(fp, "%s", PERF_COLOR_RESET);
	return r;
}

Contributors
Person Tokens Prop Commits CommitProp
Ingo Molnar 100 95.24% 2 50.00%
Stéphane Eranian 4 3.81% 1 25.00%
Frédéric Weisbecker 1 0.95% 1 25.00%
Total 105 100.00% 4 100.00%



int color_vsnprintf(char *bf, size_t size, const char *color,
		    const char *fmt, va_list args)
{
	return __color_vsnprintf(bf, size, color, fmt, args, NULL);
}

Contributors
Person Tokens Prop Commits CommitProp
Arnaldo Carvalho de Melo 41 100.00% 1 100.00%
Total 41 100.00% 1 100.00%



int color_vfprintf(FILE *fp, const char *color, const char *fmt, va_list args)
{
	return __color_vfprintf(fp, color, fmt, args);
}

Contributors
Person Tokens Prop Commits CommitProp
Frédéric Weisbecker 34 100.00% 1 100.00%
Total 34 100.00% 1 100.00%



int color_snprintf(char *bf, size_t size, const char *color,
		   const char *fmt, ...)
{
	va_list args;
	int r;

	va_start(args, fmt);
	r = color_vsnprintf(bf, size, color, fmt, args);
	va_end(args);
	return r;
}

Contributors
Person Tokens Prop Commits CommitProp
Arnaldo Carvalho de Melo 30 50.00% 2 66.67%
Ingo Molnar 30 50.00% 1 33.33%
Total 60 100.00% 3 100.00%



int color_fprintf(FILE *fp, const char *color, const char *fmt, ...)
{
	va_list args;
	int r;

	va_start(args, fmt);
	r = color_vfprintf(fp, color, fmt, args);
	va_end(args);
	return r;
}

Contributors
Person Tokens Prop Commits CommitProp
Arnaldo Carvalho de Melo 33 60.00% 1 50.00%
Ingo Molnar 22 40.00% 1 50.00%
Total 55 100.00% 2 100.00%

/*
 * This function splits the buffer by newlines and colors the lines individually.
 *
 * Returns 0 on success.
 */


int color_fwrite_lines(FILE *fp, const char *color,
		size_t count, const char *buf)
{
	if (!*color)
		return fwrite(buf, count, 1, fp) != 1;

	while (count) {
		char *p = memchr(buf, '\n', count);

		if (p != buf && (fputs(color, fp) < 0 ||
				fwrite(buf, p ? (size_t)(p - buf) : count, 1, fp) != 1 ||
				fputs(PERF_COLOR_RESET, fp) < 0))
			return -1;
		if (!p)
			return 0;
		if (fputc('\n', fp) < 0)
			return -1;
		count -= p + 1 - buf;
		buf = p + 1;
	}
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
Ingo Molnar 155 100.00% 2 100.00%
Total 155 100.00% 2 100.00%



const char *get_percent_color(double percent)
{
	const char *color = PERF_COLOR_NORMAL;

	/*
         * We color high-overhead entries in red, mid-overhead
         * entries in green - and keep the low overhead places
         * normal:
         */
	if (fabs(percent) >= MIN_RED)
		color = PERF_COLOR_RED;
	else {
		if (fabs(percent) > MIN_GREEN)
			color = PERF_COLOR_GREEN;
	}
	return color;
}

Contributors
Person Tokens Prop Commits CommitProp
Frédéric Weisbecker 42 84.00% 1 33.33%
Ramkumar Ramachandra 6 12.00% 1 33.33%
Ingo Molnar 2 4.00% 1 33.33%
Total 50 100.00% 3 100.00%



int percent_color_fprintf(FILE *fp, const char *fmt, double percent)
{
	int r;
	const char *color;

	color = get_percent_color(percent);
	r = color_fprintf(fp, color, fmt, percent);

	return r;
}

Contributors
Person Tokens Prop Commits CommitProp
Frédéric Weisbecker 47 97.92% 1 50.00%
Ingo Molnar 1 2.08% 1 50.00%
Total 48 100.00% 2 100.00%



int value_color_snprintf(char *bf, size_t size, const char *fmt, double value)
{
	const char *color = get_percent_color(value);
	return color_snprintf(bf, size, color, fmt, value);
}

Contributors
Person Tokens Prop Commits CommitProp
Ramkumar Ramachandra 44 100.00% 1 100.00%
Total 44 100.00% 1 100.00%



int percent_color_snprintf(char *bf, size_t size, const char *fmt, ...)
{
	va_list args;
	double percent;

	va_start(args, fmt);
	percent = va_arg(args, double);
	va_end(args);
	return value_color_snprintf(bf, size, fmt, percent);
}

Contributors
Person Tokens Prop Commits CommitProp
Arnaldo Carvalho de Melo 29 50.00% 1 33.33%
Michael Hudson-Doyle 28 48.28% 1 33.33%
Ramkumar Ramachandra 1 1.72% 1 33.33%
Total 58 100.00% 3 100.00%



int percent_color_len_snprintf(char *bf, size_t size, const char *fmt, ...)
{
	va_list args;
	int len;
	double percent;
	const char *color;

	va_start(args, fmt);
	len = va_arg(args, int);
	percent = va_arg(args, double);
	va_end(args);

	color = get_percent_color(percent);
	return color_snprintf(bf, size, color, fmt, len, percent);
}
Contributors
Person Tokens Prop Commits CommitProp
Namhyung Kim 86 100.00% 1 100.00%
Total 86 100.00% 1 100.00%

Overall Contributors
Person Tokens Prop Commits CommitProp
Ingo Molnar 499 45.57% 4 21.05%
Arnaldo Carvalho de Melo 294 26.85% 5 26.32%
Frédéric Weisbecker 124 11.32% 2 10.53%
Namhyung Kim 86 7.85% 1 5.26%
Ramkumar Ramachandra 54 4.93% 2 10.53%
Michael Hudson-Doyle 28 2.56% 1 5.26%
Stéphane Eranian 4 0.37% 1 5.26%
Taeung Song 3 0.27% 1 5.26%
Wang Nan 2 0.18% 1 5.26%
Andi Kleen 1 0.09% 1 5.26%
Total 1095 100.00% 19 100.00%
Directory: tools/perf/util

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Person	Tokens	Prop	Commits	CommitProp
Ingo Molnar	128	100.00%	1	100.00%
Total	128	100.00%	1	100.00%
cregit-Linux how code gets into the kernel

Release 4.11 tools/perf/util/color.c

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