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perf utils: Be consistent about minimum text size in the svghelper 

Be more consistent in the svghelper about the minimum text size
by having a global #define for this.

There needs to be a minimum text size in order to keep the size
of the SVG file within the reach of what current SVG viewers can
cope with.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Cc: fweisbec@gmail.com
Cc: peterz@infradead.org
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arjan van de Ven <arjan@infradead.org>
LKML-Reference: <20090919133507.7374ef8b@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Arjan van de Ven 2009-09-19 13:35:07 +02:00 committed by Ingo Molnar
parent 3c09eebd61
commit 964a0b3d2b
1 changed files with 13 additions and 11 deletions
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24
tools/perf/util/svghelper.c
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@ -27,6 +27,8 @@ static u64 turbo_frequency, max_freq;
#define SLOT_HEIGHT 25.0
#define WIDTH 1000.0
#define MIN_TEXT_SIZE 0.001
static u64 total_height;
static FILE *svgfile;
@ -104,8 +106,8 @@ void svg_sample(int Yslot, int cpu, u64 start, u64 end, const char *type)
text_size = text_size/2;
if (text_size > 1.25)
text_size = 1.25;
if (text_size > 0.0001)
fprintf(svgfile, "<text transform=\"translate(%1.6f,%1.6f)\" font-size=\"%1.6fpt\">%i</text>\n",
if (text_size > MIN_TEXT_SIZE)
fprintf(svgfile, "<text transform=\"translate(%1.8f,%1.8f)\" font-size=\"%1.6fpt\">%i</text>\n",
time2pixels(start), Yslot * SLOT_MULT + SLOT_HEIGHT - 1, text_size, cpu + 1);
}
@ -146,10 +148,10 @@ void svg_cpu_box(int cpu, u64 __max_freq, u64 __turbo_freq)
cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
sprintf(cpu_string, "CPU %i", (int)cpu+1);
fprintf(svgfile, "<text transform=\"translate(%4.1f,%4.1f)\">%s</text>\n",
fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f)\">%s</text>\n",
10+time2pixels(first_time), cpu2y(cpu) + SLOT_HEIGHT/2, cpu_string);
fprintf(svgfile, "<text transform=\"translate(%4.1f,%4.1f)\" font-size=\"1.25pt\">%s</text>\n",
fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f)\" font-size=\"1.25pt\">%s</text>\n",
10+time2pixels(first_time), cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - 4, cpu_model());
}
@ -166,8 +168,8 @@ void svg_process(int cpu, u64 start, u64 end, const char *type, const char *name
if (width > 6)
width = 6;
if (width > 0.001)
fprintf(svgfile, "<text transform=\"translate(%4.5f,%4.5f) rotate(90)\" font-size=\"%3.4fpt\">%s</text>\n",
if (width > MIN_TEXT_SIZE)
fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f) rotate(90)\" font-size=\"%3.4fpt\">%s</text>\n",
time2pixels(start), cpu2y(cpu), width, name);
}
@ -193,8 +195,8 @@ void svg_cstate(int cpu, u64 start, u64 end, int type)
if (width > 6)
width = 6;
if (width > 0.05)
fprintf(svgfile, "<text transform=\"translate(%4.5f,%4.5f) rotate(90)\" font-size=\"%3.4fpt\">C%i</text>\n",
if (width > MIN_TEXT_SIZE)
fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f) rotate(90)\" font-size=\"%3.4fpt\">C%i</text>\n",
time2pixels(start), cpu2y(cpu), width, type);
}
@ -234,7 +236,7 @@ void svg_pstate(int cpu, u64 start, u64 end, u64 freq)
height = 1 + cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - height;
fprintf(svgfile, "<line x1=\"%4.8f\" x2=\"%4.8f\" y1=\"%4.1f\" y2=\"%4.1f\" class=\"pstate\"/>\n",
time2pixels(start), time2pixels(end), height, height);
fprintf(svgfile, "<text transform=\"translate(%4.1f,%4.1f)\" font-size=\"0.25pt\">%s</text>\n",
fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f)\" font-size=\"0.25pt\">%s</text>\n",
time2pixels(start), height+0.9, HzToHuman(freq));
}
@ -311,7 +313,7 @@ void svg_text(int Yslot, u64 start, const char *text)
if (!svgfile)
return;
fprintf(svgfile, "<text transform=\"translate(%4.1f,%4.1f)\">%s</text>\n",
fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f)\">%s</text>\n",
time2pixels(start), Yslot * SLOT_MULT+SLOT_HEIGHT/2, text);
}
@ -322,7 +324,7 @@ static void svg_legenda_box(int X, const char *text, const char *style)
fprintf(svgfile, "<rect x=\"%i\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n",
X, boxsize, boxsize, style);
fprintf(svgfile, "<text transform=\"translate(%4.1f, %4.1f)\" font-size=\"%4.4fpt\">%s</text>\n",
fprintf(svgfile, "<text transform=\"translate(%4.8f, %4.8f)\" font-size=\"%4.4fpt\">%s</text>\n",
X + boxsize + 5, boxsize, 0.8 * boxsize, text);
}