radio/util/elf-size-compare.awk

   1 #!/usr/bin/awk -nf
   2 #
   3 # Parses the output of elf-size-report.awk and calculates segment memory usage deltas between the analyzed elf files.
   4 #
   5 # License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
   6 # Copyright (c)2016 Maxim Paperno
   7 # Copyright (c)2017 OpenTX
   8 #
   9
  10
  11 BEGIN {
  12   in_ttls = 0;
  13   elf_cnt = 0;
  14   sec_cnt = 0;
  15 }
  16 {
  17   if ($1 == "----" && NF > 5 && $5 ~ /\.elf$/) {
  18     fname[elf_cnt] = $5;
  19   }
  20   else if (tolower($1) ~ /totals/) {
  21     in_ttls = 1;
  22     elf_cnt++;
  23   }
  24   else if (in_ttls && NF != 5) {
  25     in_ttls = 0;
  26   }
  27   else if (in_ttls) {
  28     if (elf_cnt == 1)
  29       a[++sec_cnt] = $1;
  30     d[elf_cnt][$1]["total"] = $2;
  31   }
  32 }
  33 END {
  34   printf("\n---- Comparing results of %d files ----\n\n", elf_cnt);
  35   PROCINFO["sorted_in"] = "@ind_num_asc"
  36   for (j in d) {
  37     if (length(fname[j-1]))
  38       printf("file %d: %s\n", j, fname[j-1])
  39   }
  40   printf("\n%-8s ", "Section");
  41   for (j in d) {
  42     printf("%8s ", "file " j);
  43     if (j > 1)
  44       printf("(%7s) ", "\xCE\x94 vs f1");
  45     if (j > 2)
  46       printf("(%7s) ", "\xCE\x94 vs f" j-1);
  47   }
  48   printf("\n");
  49   for (i in a) {
  50     n = a[i];
  51     printf("%8s ", n);
  52     for (j in d) {
  53       printf("%8.2f ", d[j][n]["total"]);
  54       if (j > 1)
  55         printDelta(d[j][n]["total"] - d[1][n]["total"]);
  56       if (j > 2)
  57         printDelta(d[j][n]["total"] - d[j-1][n]["total"]);
  58     }
  59     printf("\n");
  60   }
  61   printf("\n");
  62 }
  63
  64 function printDelta(dlta) {
  65   if (dlta)
  66     printf("(%+7.2f) ", dlta);
  67   else
  68     printf("(%7s) ", "--.--");
  69 }
  70