diff --git a/bin/pprof b/bin/pprof index 727eb437..a309943c 100755 --- a/bin/pprof +++ b/bin/pprof @@ -4197,8 +4197,12 @@ sub FindLibrary { # For libc libraries, the copy in /usr/lib/debug contains debugging symbols sub DebuggingLibrary { my $file = shift; - if ($file =~ m|^/| && -f "/usr/lib/debug$file") { - return "/usr/lib/debug$file"; + if ($file =~ m|^/|) { + if (-f "/usr/lib/debug$file") { + return "/usr/lib/debug$file"; + } elsif (-f "/usr/lib/debug$file.debug") { + return "/usr/lib/debug$file.debug"; + } } return undef; } @@ -4360,6 +4364,19 @@ sub ParseLibraries { $finish = HexExtend($2); $offset = $zero_offset; $lib = $3; + } + # FreeBSD 10.0 virtual memory map /proc/curproc/map as defined in + # function procfs_doprocmap (sys/fs/procfs/procfs_map.c) + # + # Example: + # 0x800600000 0x80061a000 26 0 0xfffff800035a0000 r-x 75 33 0x1004 COW NC vnode /libexec/ld-elf.s + # o.1 NCH -1 + elsif ($l =~ /^(0x$h)\s(0x$h)\s\d+\s\d+\s0x$h\sr-x\s\d+\s\d+\s0x\d+\s(COW|NCO)\s(NC|NNC)\svnode\s(\S+\.so(\.\d+)*)/) { + $start = HexExtend($1); + $finish = HexExtend($2); + $offset = $zero_offset; + $lib = FindLibrary($5); + } else { next; } @@ -4382,6 +4399,7 @@ sub ParseLibraries { } } + if($main::opt_debug) { printf STDERR "$start:$finish ($offset) $lib\n"; } push(@{$result}, [$lib, $start, $finish, $offset]); } @@ -4589,6 +4607,12 @@ sub ExtractSymbols { my $finish = $lib->[2]; my $offset = $lib->[3]; + # Use debug library if it exists + my $debug_libname = DebuggingLibrary($libname); + if ($debug_libname) { + $libname = $debug_libname; + } + # Get list of pcs that belong in this library. my $contained = []; my ($start_pc_index, $finish_pc_index); @@ -5019,7 +5043,7 @@ sub GetProcedureBoundariesViaNm { # Tag this routine with the starting address in case the image # has multiple occurrences of this routine. We use a syntax - # that resembles template paramters that are automatically + # that resembles template parameters that are automatically # stripped out by ShortFunctionName() $this_routine .= "<$start_val>"; diff --git a/src/prof.c b/src/prof.c index 1d8ccbd6..7722b7b4 100644 --- a/src/prof.c +++ b/src/prof.c @@ -935,9 +935,12 @@ prof_dump_maps(bool propagate_err) char filename[PATH_MAX + 1]; cassert(config_prof); - +#ifdef __FreeBSD__ + malloc_snprintf(filename, sizeof(filename), "/proc/curproc/map"); +#else malloc_snprintf(filename, sizeof(filename), "/proc/%d/maps", (int)getpid()); +#endif mfd = open(filename, O_RDONLY); if (mfd != -1) { ssize_t nread;