tools/perf/util/svghelper.c

   1 /*
   2  * svghelper.c - helper functions for outputting svg
   3  *
   4  * (C) Copyright 2009 Intel Corporation
   5  *
   6  * Authors:
   7  *     Arjan van de Ven <arjan@linux.intel.com>
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License
  11  * as published by the Free Software Foundation; version 2
  12  * of the License.
  13  */
  14
  15 #include <stdio.h>
  16 #include <stdlib.h>
  17 #include <unistd.h>
  18 #include <string.h>
  19
  20 #include "svghelper.h"
  21
  22 static u64 first_time, last_time;
  23 static u64 turbo_frequency, max_freq;
  24
  25
  26 #define SLOT_MULT 30.0
  27 #define SLOT_HEIGHT 25.0
  28 #define WIDTH 1000.0
  29
  30 static u64 total_height;
  31 static FILE *svgfile;
  32
  33 static double cpu2slot(int cpu)
  34 {
  35         return 2 * cpu + 1;
  36 }
  37
  38 static double cpu2y(int cpu)
  39 {
  40         return cpu2slot(cpu) * SLOT_MULT;
  41 }
  42
  43 static double time2pixels(u64 time)
  44 {
  45         double X;
  46
  47         X = WIDTH * (time - first_time) / (last_time - first_time);
  48         return X;
  49 }
  50
  51 void open_svg(const char *filename, int cpus, int rows)
  52 {
  53
  54         svgfile = fopen(filename, "w");
  55         if (!svgfile) {
  56                 fprintf(stderr, "Cannot open %s for output\n", filename);
  57                 return;
  58         }
  59         total_height = (1 + rows + cpu2slot(cpus)) * SLOT_MULT;
  60         fprintf(svgfile, "<?xml version=\"1.0\" standalone=\"no\"?> \n");
  61         fprintf(svgfile, "<svg width=\"%4.1f\" height=\"%llu\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n", WIDTH, total_height);
  62
  63         fprintf(svgfile, "<defs>\n  <style type=\"text/css\">\n    <![CDATA[\n");
  64
  65         fprintf(svgfile, "      rect          { stroke-width: 1; }\n");
  66         fprintf(svgfile, "      rect.process  { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:1;   stroke:rgb(  0,  0,  0); } \n");
  67         fprintf(svgfile, "      rect.process2 { fill:rgb(180,180,180); fill-opacity:0.9; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
  68         fprintf(svgfile, "      rect.sample   { fill:rgb(  0,  0,255); fill-opacity:0.8; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
  69         fprintf(svgfile, "      rect.blocked  { fill:rgb(255,  0,  0); fill-opacity:0.5; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
  70         fprintf(svgfile, "      rect.waiting  { fill:rgb(255,255,  0); fill-opacity:0.3; stroke-width:0;   stroke:rgb(  0,  0,  0); } \n");
  71         fprintf(svgfile, "      rect.cpu      { fill:rgb(192,192,192); fill-opacity:0.2; stroke-width:0.5; stroke:rgb(128,128,128); } \n");
  72         fprintf(svgfile, "      rect.pstate   { fill:rgb(128,128,128); fill-opacity:0.8; stroke-width:0; } \n");
  73         fprintf(svgfile, "      rect.c1       { fill:rgb(255,214,214); fill-opacity:0.5; stroke-width:0; } \n");
  74         fprintf(svgfile, "      rect.c2       { fill:rgb(255,172,172); fill-opacity:0.5; stroke-width:0; } \n");
  75         fprintf(svgfile, "      rect.c3       { fill:rgb(255,130,130); fill-opacity:0.5; stroke-width:0; } \n");
  76         fprintf(svgfile, "      rect.c4       { fill:rgb(255, 88, 88); fill-opacity:0.5; stroke-width:0; } \n");
  77         fprintf(svgfile, "      rect.c5       { fill:rgb(255, 44, 44); fill-opacity:0.5; stroke-width:0; } \n");
  78         fprintf(svgfile, "      rect.c6       { fill:rgb(255,  0,  0); fill-opacity:0.5; stroke-width:0; } \n");
  79         fprintf(svgfile, "      line.pstate   { stroke:rgb(255,255,  0); stroke-opacity:0.8; stroke-width:2; } \n");
  80
  81         fprintf(svgfile, "    ]]>\n   </style>\n</defs>\n");
  82 }
  83
  84 void svg_box(int Yslot, u64 start, u64 end, const char *type)
  85 {
  86         if (!svgfile)
  87                 return;
  88
  89         fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"%s\"/>\n",
  90                 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, type);
  91 }
  92
  93 void svg_sample(int Yslot, int cpu, u64 start, u64 end, const char *type)
  94 {
  95         double text_size;
  96         if (!svgfile)
  97                 return;
  98
  99         fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"%s\"/>\n",
 100                 time2pixels(start), time2pixels(end)-time2pixels(start), Yslot * SLOT_MULT, SLOT_HEIGHT, type);
 101
 102         text_size = (time2pixels(end)-time2pixels(start));
 103         if (cpu > 9)
 104                 text_size = text_size/2;
 105         if (text_size > 1.25)
 106                 text_size = 1.25;
 107         if (text_size > 0.0001)
 108                 fprintf(svgfile, "<text transform=\"translate(%1.6f,%1.6f)\" font-size=\"%1.6fpt\">%i</text>\n",
 109                         time2pixels(start), Yslot *  SLOT_MULT + SLOT_HEIGHT - 1, text_size,  cpu + 1);
 110
 111 }
 112
 113 static char *cpu_model(void)
 114 {
 115         static char cpu_m[255];
 116         char buf[256];
 117         FILE *file;
 118
 119         cpu_m[0] = 0;
 120         /* CPU type */
 121         file = fopen("/proc/cpuinfo", "r");
 122         if (file) {
 123                 while (fgets(buf, 255, file)) {
 124                         if (strstr(buf, "model name")) {
 125                                 strncpy(cpu_m, &buf[13], 255);
 126                                 break;
 127                         }
 128                 }
 129                 fclose(file);
 130         }
 131         return cpu_m;
 132 }
 133
 134 void svg_cpu_box(int cpu, u64 __max_freq, u64 __turbo_freq)
 135 {
 136         char cpu_string[80];
 137         if (!svgfile)
 138                 return;
 139
 140         max_freq = __max_freq;
 141         turbo_frequency = __turbo_freq;
 142
 143         fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"cpu\"/>\n",
 144                 time2pixels(first_time),
 145                 time2pixels(last_time)-time2pixels(first_time),
 146                 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
 147
 148         sprintf(cpu_string, "CPU %i", (int)cpu+1);
 149         fprintf(svgfile, "<text transform=\"translate(%4.1f,%4.1f)\">%s</text>\n",
 150                 10+time2pixels(first_time), cpu2y(cpu) + SLOT_HEIGHT/2, cpu_string);
 151
 152         fprintf(svgfile, "<text transform=\"translate(%4.1f,%4.1f)\" font-size=\"1.25pt\">%s</text>\n",
 153                 10+time2pixels(first_time), cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - 4, cpu_model());
 154 }
 155
 156 void svg_process(int cpu, u64 start, u64 end, const char *type, const char *name)
 157 {
 158         double width;
 159
 160         if (!svgfile)
 161                 return;
 162
 163         fprintf(svgfile, "<rect x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\" class=\"%s\"/>\n",
 164                 time2pixels(start), time2pixels(end)-time2pixels(start), cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT, type);
 165         width = time2pixels(end)-time2pixels(start);
 166         if (width > 6)
 167                 width = 6;
 168
 169         if (width > 0.001)
 170                 fprintf(svgfile, "<text  transform=\"translate(%4.5f,%4.5f) rotate(90)\" font-size=\"%3.4fpt\">%s</text>\n",
 171                         time2pixels(start), cpu2y(cpu), width, name);
 172 }
 173
 174 void svg_cstate(int cpu, u64 start, u64 end, int type)
 175 {
 176         double width;
 177         char style[128];
 178
 179         if (!svgfile)
 180                 return;
 181
 182
 183         if (type > 6)
 184                 type = 6;
 185         sprintf(style, "c%i", type);
 186
 187         fprintf(svgfile, "<rect class=\"%s\" x=\"%4.8f\" width=\"%4.8f\" y=\"%4.1f\" height=\"%4.1f\"/>\n",
 188                 style,
 189                 time2pixels(start), time2pixels(end)-time2pixels(start),
 190                 cpu2y(cpu), SLOT_MULT+SLOT_HEIGHT);
 191
 192         width = time2pixels(end)-time2pixels(start);
 193         if (width > 6)
 194                 width = 6;
 195
 196         if (width > 0.05)
 197                 fprintf(svgfile, "<text  transform=\"translate(%4.5f,%4.5f) rotate(90)\" font-size=\"%3.4fpt\">C%i</text>\n",
 198                         time2pixels(start), cpu2y(cpu), width, type);
 199 }
 200
 201 static char *HzToHuman(unsigned long hz)
 202 {
 203         static char buffer[1024];
 204         unsigned long long Hz;
 205
 206         memset(buffer, 0, 1024);
 207
 208         Hz = hz;
 209
 210         /* default: just put the Number in */
 211         sprintf(buffer, "%9lli", Hz);
 212
 213         if (Hz > 1000)
 214                 sprintf(buffer, " %6lli Mhz", (Hz+500)/1000);
 215
 216         if (Hz > 1500000)
 217                 sprintf(buffer, " %6.2f Ghz", (Hz+5000.0)/1000000);
 218
 219         if (Hz == turbo_frequency)
 220                 sprintf(buffer, "Turbo");
 221
 222         return buffer;
 223 }
 224
 225 void svg_pstate(int cpu, u64 start, u64 end, u64 freq)
 226 {
 227         double height = 0;
 228
 229         if (!svgfile)
 230                 return;
 231
 232         if (max_freq)
 233                 height = freq * 1.0 / max_freq * (SLOT_HEIGHT + SLOT_MULT);
 234         height = 1 + cpu2y(cpu) + SLOT_MULT + SLOT_HEIGHT - height;
 235         fprintf(svgfile, "<line x1=\"%4.8f\" x2=\"%4.8f\" y1=\"%4.1f\" y2=\"%4.1f\" class=\"pstate\"/>\n",
 236                 time2pixels(start), time2pixels(end), height, height);
 237         fprintf(svgfile, "<text transform=\"translate(%4.1f,%4.1f)\" font-size=\"0.25pt\">%s</text>\n",
 238                 time2pixels(start), height+0.9, HzToHuman(freq));
 239
 240 }
 241
 242
 243 void svg_partial_wakeline(u64 start, int row1, int row2)
 244 {
 245         double height;
 246
 247         if (!svgfile)
 248                 return;
 249
 250
 251         if (row1 < row2) {
 252                 if (row1)
 253                         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",
 254                                 time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT,  time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
 255
 256                 if (row2)
 257                         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",
 258                                 time2pixels(start), row2 * SLOT_MULT - SLOT_MULT/32,  time2pixels(start), row2 * SLOT_MULT);
 259         } else {
 260                 if (row2)
 261                         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",
 262                                 time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT,  time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT + SLOT_MULT/32);
 263
 264                 if (row1)
 265                         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",
 266                                 time2pixels(start), row1 * SLOT_MULT - SLOT_MULT/32,  time2pixels(start), row1 * SLOT_MULT);
 267         }
 268         height = row1 * SLOT_MULT;
 269         if (row2 > row1)
 270                 height += SLOT_HEIGHT;
 271         if (row1)
 272                 fprintf(svgfile, "<circle  cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\"  style=\"fill:rgb(32,255,32)\"/>\n",
 273                         time2pixels(start), height);
 274 }
 275
 276 void svg_wakeline(u64 start, int row1, int row2)
 277 {
 278         double height;
 279
 280         if (!svgfile)
 281                 return;
 282
 283
 284         if (row1 < row2)
 285                 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",
 286                         time2pixels(start), row1 * SLOT_MULT + SLOT_HEIGHT,  time2pixels(start), row2 * SLOT_MULT);
 287         else
 288                 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",
 289                         time2pixels(start), row2 * SLOT_MULT + SLOT_HEIGHT,  time2pixels(start), row1 * SLOT_MULT);
 290
 291         height = row1 * SLOT_MULT;
 292         if (row2 > row1)
 293                 height += SLOT_HEIGHT;
 294         fprintf(svgfile, "<circle  cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\"  style=\"fill:rgb(32,255,32)\"/>\n",
 295                         time2pixels(start), height);
 296 }
 297
 298 void svg_interrupt(u64 start, int row)
 299 {
 300         if (!svgfile)
 301                 return;
 302
 303         fprintf(svgfile, "<circle  cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\"  style=\"fill:rgb(255,128,128)\"/>\n",
 304                         time2pixels(start), row * SLOT_MULT);
 305         fprintf(svgfile, "<circle  cx=\"%4.8f\" cy=\"%4.2f\" r = \"0.01\"  style=\"fill:rgb(255,128,128)\"/>\n",
 306                         time2pixels(start), row * SLOT_MULT + SLOT_HEIGHT);
 307 }
 308
 309 void svg_text(int Yslot, u64 start, const char *text)
 310 {
 311         if (!svgfile)
 312                 return;
 313
 314         fprintf(svgfile, "<text transform=\"translate(%4.1f,%4.1f)\">%s</text>\n",
 315                 time2pixels(start), Yslot * SLOT_MULT+SLOT_HEIGHT/2, text);
 316 }
 317
 318 static void svg_legenda_box(int X, const char *text, const char *style)
 319 {
 320         double boxsize;
 321         boxsize = SLOT_HEIGHT / 2;
 322
 323         fprintf(svgfile, "<rect x=\"%i\" width=\"%4.8f\" y=\"0\" height=\"%4.1f\" class=\"%s\"/>\n",
 324                 X, boxsize, boxsize, style);
 325         fprintf(svgfile, "<text transform=\"translate(%4.1f, %4.1f)\" font-size=\"%4.4fpt\">%s</text>\n",
 326                 X + boxsize + 5, boxsize, 0.8 * boxsize, text);
 327 }
 328
 329 void svg_legenda(void)
 330 {
 331         if (!svgfile)
 332                 return;
 333
 334         svg_legenda_box(0,      "Running", "sample");
 335         svg_legenda_box(100,    "Idle","rect.c1");
 336         svg_legenda_box(200,    "Deeper Idle", "rect.c3");
 337         svg_legenda_box(350,    "Deepest Idle", "rect.c6");
 338         svg_legenda_box(550,    "Sleeping", "process2");
 339         svg_legenda_box(650,    "Waiting for cpu", "waiting");
 340         svg_legenda_box(800,    "Blocked on IO", "blocked");
 341 }
 342
 343 void svg_time_grid(u64 start, u64 end)
 344 {
 345         u64 i;
 346
 347         first_time = start;
 348         last_time = end;
 349
 350         first_time = first_time / 100000000 * 100000000;
 351
 352         if (!svgfile)
 353                 return;
 354
 355         i = first_time;
 356         while (i < last_time) {
 357                 int color = 220;
 358                 double thickness = 0.075;
 359                 if ((i % 100000000) == 0) {
 360                         thickness = 0.5;
 361                         color = 192;
 362                 }
 363                 if ((i % 1000000000) == 0) {
 364                         thickness = 2.0;
 365                         color = 128;
 366                 }
 367
 368                 fprintf(svgfile, "<line x1=\"%4.8f\" y1=\"%4.2f\" x2=\"%4.8f\" y2=\"%llu\" style=\"stroke:rgb(%i,%i,%i);stroke-width:%1.3f\"/>\n",
 369                         time2pixels(i), SLOT_MULT/2, time2pixels(i), total_height, color, color, color, thickness);
 370
 371                 i += 10000000;
 372         }
 373 }
 374
 375 void svg_close(void)
 376 {
 377         if (svgfile) {
 378                 fprintf(svgfile, "</svg>\n");
 379                 fclose(svgfile);
 380                 svgfile = NULL;
 381         }
 382 }