Add mbelshe's memwatcehr scripts to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@615 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 109 insertions, 0 deletions

diff --git a/tools/memory_watcher/scripts/summary.pl b/tools/memory_watcher/scripts/summary.pl
new file mode 100644
index 0000000..35c0716
--- /dev/null
+++ b/tools/memory_watcher/scripts/summary.pl
@@ -0,0 +1,109 @@
+#!/usr/bin/perl
+#
+# Summarizes output from memtrace using a set of heuristics
+#
+
+sub process_stdin() {
+  my %leaks = ();
+  my $total_bytes = 0;
+
+  while(<STDIN>) {
+    my $line = $_;
+    chomp($line);
+    my $bytes, $loc;
+    ($bytes, $loc) = ($line =~ m/[ \t]*([0-9]*)[ \t]*[0-9\.%]*[ \t]*(.*)/);
+    my $location_blame = "";
+
+#    print "Found: $bytes, $loc\n";
+
+    $total_bytes += $bytes;
+
+    if ($loc =~ m/v8/) {
+      $location_blame = "v8";
+    } elsif ($loc =~ m/sqlite/) {
+      $location_blame = "sqlite";
+    } elsif ($loc =~ m/SkBitmap/) {
+      $location_blame = "skia";
+    } elsif ($loc =~ m/disk_cache/) {
+      $location_blame = "disk cache";
+    } elsif ($loc =~ m/skia/) {
+      $location_blame = "skia";
+    } elsif ($loc =~ m/:WSA/) {
+      $location_blame = "net";
+    } elsif ($loc =~ m/dns/) {
+      $location_blame = "net";
+    } elsif ($loc =~ m/trunk\\net/) {
+      $location_blame = "net";
+    } elsif ($loc =~ m/WinHttp/) {
+      $location_blame = "WinHttp";
+    } elsif ($loc =~ m/:I_Crypt/) {
+      $location_blame = "WinHttpSSL";
+    } elsif ($loc =~ m/CryptGetTls/) {
+      $location_blame = "WinHttpSSL";
+    } elsif ($loc =~ m/WinVerifyTrust/) {
+      $location_blame = "WinHttpSSL";
+    } elsif ($loc =~ m/Cert/) {
+      $location_blame = "WinHttpSSL";
+    } elsif ($loc =~ m/plugin/) {
+      $location_blame = "plugin";
+    } elsif ($loc =~ m/NP_/) {
+      $location_blame = "plugin";
+    } elsif ($loc =~ m/hunspell/) {
+      $location_blame = "hunspell";
+    } elsif ($loc =~ m/decoder/) {
+      $location_blame = "img decoder";
+    } elsif ($loc =~ m/TextCodec/) {
+      $location_blame = "fonts";
+    } elsif ($loc =~ m/glyph/) {
+      $location_blame = "fonts";
+    } elsif ($loc =~ m/cssparser/) {
+      $location_blame = "webkit css";
+    } elsif ($loc =~ m/::CSS/) {
+      $location_blame = "webkit css";
+    } elsif ($loc =~ m/Arena/) {
+      $location_blame = "webkit arenas";
+    } elsif ($loc =~ m/IPC/) {
+      $location_blame = "ipc";
+    } elsif ($loc =~ m/trunk\\chrome\\browser/) {
+      $location_blame = "browser";
+    } elsif ($loc =~ m/trunk\\chrome\\renderer/) {
+      $location_blame = "renderer";
+    } elsif ($loc =~ m/webcore\\html/) {
+      $location_blame = "webkit webcore html";
+    } elsif ($loc =~ m/webkit.*string/) {
+      $location_blame = "webkit strings";
+    } elsif ($loc =~ m/htmltokenizer/) {
+      $location_blame = "webkit HTMLTokenizer";
+    } elsif ($loc =~ m/javascriptcore/) {
+      $location_blame = "webkit javascriptcore";
+    } elsif ($loc =~ m/webkit/) {
+      $location_blame = "webkit other";
+#      print "$location_blame: ($bytes) $loc\n";
+    } else {
+      $location_blame = "unknown";
+#      print "$location_blame: ($bytes) $loc\n";
+    }
+
+    # surface large outliers
+    if ($bytes > 1000000 && $location_blame eq "unknown") {
+      $location_blame = $loc;
+    }
+
+    $leaks{$location_blame} += $bytes;
+  }
+
+  # now dump our hash table
+  my $sum = 0;
+  my @keys = keys(%leaks);
+  for ($i=0; $i<@keys; $i++) {
+    my $key = @keys[$i];
+    printf "%8d\t%3.2f%%\t%s\n", $leaks{$key}, (100* $leaks{$key} / $total_bytes), $key;
+    $sum += $leaks{$key};
+  }
+  print("TOTAL: $sum\n");
+}
+
+
+# ----- Main ------------------------------------------------
+
+process_stdin();