# # Awk program to analyze mtrace.c output. # { if ($1 == "@") { where = " (" $2 ")" n = 3 } else { where = "" n = 1 } if ($n == "+") { if (allocated[$(n+1)] != "") print "+", $(n+1), "Alloc", NR, "duplicate:", allocated[$(n+1)], wherewas[$(n+1)], where; else { wherewas[$(n+1)] = where; allocated[$(n+1)] = $(n+2); } } else if ($n == "-") { if (allocated[$(n+1)] != "") { wherewas[$(n+1)] = ""; allocated[$(n+1)] = ""; if (allocated[$(n+1)] != "") print "DELETE FAILED", $(n+1), allocated[$(n+1)]; } else print "-", $(n+1), "Free", NR, "was never alloc'd", where; } else if ($n == "<") { if (allocated[$(n+1)] != "") { wherewas[$(n+1)] = ""; allocated[$(n+1)] = ""; } else print "-", $(n+1), "Realloc", NR, "was never alloc'd", where; } else if ($n == ">") { if (allocated[$(n+1)] != "") print "+", $(n+1), "Realloc", NR, "duplicate:", allocated[$(n+1)], where; else { wherewas[$(n+1)] = $(n+2); allocated[$(n+1)] = $(n+2); } } else if ($n == "=") { # Ignore "= Start" } else if ($n == "!") { # Ignore failed realloc attempts for now } } END { for (x in allocated) if (allocated[x] != "") print "+", x, allocated[x], wherewas[x]; } |