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-rw-r--r--tools/perf/util/svghelper.c78
1 files changed, 55 insertions, 23 deletions
diff --git a/tools/perf/util/svghelper.c b/tools/perf/util/svghelper.c
index be1555e241b..a778fd0f4ae 100644
--- a/tools/perf/util/svghelper.c
+++ b/tools/perf/util/svghelper.c
@@ -51,6 +51,25 @@ static double time2pixels(u64 time)
return X;
}
+/*
+ * Round text sizes so that the svg viewer only needs a discrete
+ * number of renderings of the font
+ */
+static double round_text_size(double size)
+{
+ int loop = 100;
+ double target = 10.0;
+
+ if (size >= 10.0)
+ return size;
+ while (loop--) {
+ if (size >= target)
+ return target;
+ target = target / 2.0;
+ }
+ return size;
+}
+
void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end)
{
int new_width;
@@ -122,8 +141,10 @@ void svg_sample(int Yslot, int cpu, u64 start, u64 end)
text_size = text_size/2;
if (text_size > 1.25)
text_size = 1.25;
+ text_size = round_text_size(text_size);
+
if (text_size > MIN_TEXT_SIZE)
- fprintf(svgfile, "<text transform=\"translate(%1.8f,%1.8f)\" font-size=\"%1.6fpt\">%i</text>\n",
+ fprintf(svgfile, "<text x=\"%1.8f\" y=\"%1.8f\" font-size=\"%1.8fpt\">%i</text>\n",
time2pixels(start), Yslot * SLOT_MULT + SLOT_HEIGHT - 1, text_size, cpu + 1);
}
@@ -162,17 +183,20 @@ void svg_waiting(int Yslot, u64 start, u64 end)
text = time_to_string(end-start);
- font_size = 1.0 * (time2pixels(end)-time2pixels(start)) / strlen(text);
+ font_size = 1.0 * (time2pixels(end)-time2pixels(start));
- if (font_size > 0.2)
- font_size = 0.2;
+ if (font_size > 3)
+ font_size = 3;
+ font_size = round_text_size(font_size);
- fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"%s\"/>\n",
- time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, style);
+ fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\">\n", time2pixels(start), Yslot * SLOT_MULT);
+ fprintf(svgfile, "<rect x=\"0\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n",
+ time2pixels(end)-time2pixels(start), SLOT_HEIGHT, style);
if (font_size > MIN_TEXT_SIZE)
- fprintf(svgfile, "<text transform=\"translate(%1.8f,%1.8f)\" font-size=\"%1.6fpt\">%s</text>\n",
- time2pixels(start), Yslot * SLOT_MULT + 2, font_size, text);
+ fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%1.8fpt\"> %s</text>\n",
+ font_size, text);
+ fprintf(svgfile, "</g>\n");
}
static char *cpu_model(void)
@@ -211,7 +235,7 @@ 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(%4.8f,%4.8f)\">%s</text>\n",
+ fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\">%s</text>\n",
10+time2pixels(first_time), cpu2y(cpu) + SLOT_HEIGHT/2, cpu_string);
fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f)\" font-size=\"1.25pt\">%s</text>\n",
@@ -225,15 +249,21 @@ void svg_process(int cpu, u64 start, u64 end, const char *type, const char *name
if (!svgfile)
return;
- fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"%s\"/>\n",
- time2pixels(start), time2pixels(end)-time2pixels(start), cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT, type);
+
+ fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\">\n", time2pixels(start), cpu2y(cpu));
+ fprintf(svgfile, "<rect x=\"0\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n",
+ time2pixels(end)-time2pixels(start), SLOT_MULT+SLOT_HEIGHT, type);
width = time2pixels(end)-time2pixels(start);
if (width > 6)
width = 6;
+ width = round_text_size(width);
+
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);
+ fprintf(svgfile, "<text transform=\"rotate(90)\" font-size=\"%3.8fpt\">%s</text>\n",
+ width, name);
+
+ fprintf(svgfile, "</g>\n");
}
void svg_cstate(int cpu, u64 start, u64 end, int type)
@@ -254,13 +284,15 @@ void svg_cstate(int cpu, u64 start, u64 end, int type)
time2pixels(start), time2pixels(end)-time2pixels(start),
cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
- width = time2pixels(end)-time2pixels(start);
+ width = (time2pixels(end)-time2pixels(start))/2.0;
if (width > 6)
width = 6;
+ width = round_text_size(width);
+
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);
+ fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\" font-size=\"%3.8fpt\">C%i</text>\n",
+ time2pixels(start), cpu2y(cpu)+width, width, type);
}
static char *HzToHuman(unsigned long hz)
@@ -299,7 +331,7 @@ 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(%4.8f,%4.8f)\" font-size=\"0.25pt\">%s</text>\n",
+ fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\" font-size=\"0.25pt\">%s</text>\n",
time2pixels(start), height+0.9, HzToHuman(freq));
}
@@ -318,14 +350,14 @@ void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc
fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
if (desc2)
- fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f) rotate(90)\" font-size=\"0.02pt\">%s &gt;</text>\n",
+ fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &gt;</text></g>\n",
time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_HEIGHT/48, desc2);
}
if (row2) {
fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row2 * SLOT_MULT);
if (desc1)
- fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f) rotate(90)\" font-size=\"0.02pt\">%s &gt;</text>\n",
+ fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &gt;</text></g>\n",
time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32, desc1);
}
} else {
@@ -333,14 +365,14 @@ void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc
fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT, time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
if (desc1)
- fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f) rotate(90)\" font-size=\"0.02pt\">%s &lt;</text>\n",
+ fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &lt;</text></g>\n",
time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/48, desc1);
}
if (row1) {
fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%4.2f\" style=\"stroke:rgb(32,255,32);stroke-width:0.009\"/>\n",
time2pixels(start), row1 * SLOT_MULT - SLOT_MULT/32, time2pixels(start), row1 * SLOT_MULT);
if (desc2)
- fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f) rotate(90)\" font-size=\"0.02pt\">%s &lt;</text>\n",
+ fprintf(svgfile, "<g transform=\"translate(%4.8f,%4.8f)\"><text transform=\"rotate(90)\" font-size=\"0.02pt\">%s &lt;</text></g>\n",
time2pixels(start), row1 * SLOT_MULT - SLOT_HEIGHT/32, desc2);
}
}
@@ -390,7 +422,7 @@ void svg_text(int Yslot, u64 start, const char *text)
if (!svgfile)
return;
- fprintf(svgfile, "<text transform=\"translate(%4.8f,%4.8f)\">%s</text>\n",
+ fprintf(svgfile, "<text x=\"%4.8f\" y=\"%4.8f\">%s</text>\n",
time2pixels(start), Yslot * SLOT_MULT+SLOT_HEIGHT/2, text);
}
@@ -401,7 +433,7 @@ 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(%4.8f, %4.8f)\" font-size=\"%4.4fpt\">%s</text>\n",
+ fprintf(svgfile, "<text transform=\"translate(%4.8f, %4.8f)\" font-size=\"%4.8fpt\">%s</text>\n",
X + boxsize + 5, boxsize, 0.8 * boxsize, text);
}