Merged third_party/tcmalloc/vendor/src(google-perftools r87) into...

third_party/tcmalloc/chromium/src/tests/sampling_test.sh

 #!/bin/sh
 
 # Copyright (c) 2008, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
@@ skipping 44 matching lines @@
 SAMPLING_TEST_BINARY=`"$SAMPLING_TEST" 2>&1 | awk '/USAGE/ {print $2; exit;}'`
 
 # A kludge for cygwin.  Unfortunately, 'test -f' says that 'foo' exists
 # even when it doesn't, and only foo.exe exists.  Other unix utilities
 # (like nm) need you to say 'foo.exe'.  We use one such utility, cat, to
 # see what the *real* binary name is.
 if ! cat "$SAMPLING_TEST_BINARY" >/dev/null 2>&1; then
   SAMPLING_TEST_BINARY="$SAMPLING_TEST_BINARY".exe
 fi
 
-die() {
-    echo "FAILED"
-    echo "reason:"
-    echo "$@"
+die() {    # runs the command given as arguments, and then dies.
+    echo "FAILED.  Output from $@"
+    echo "----"
+    "$@"
     echo "----"
     exit 1
 }
 
 rm -rf "$OUTDIR" || die "Unable to delete $OUTDIR"
 mkdir "$OUTDIR" || die "Unable to create $OUTDIR"
 
 # This puts the output into out.heap and out.growth.  It allocates
 # 8*10^7 bytes of memory, which is 76M.  Because we sample, the
 # estimate may be a bit high or a bit low: we accept anything from
 # 50M to 99M.
 "$SAMPLING_TEST" "$OUTDIR/out"
 
-echo -n "Testing heap output..."
+echo "Testing heap output..."
 "$PPROF" --text "$SAMPLING_TEST_BINARY" "$OUTDIR/out.heap" \
    | grep '^ *[5-9][0-9]\.[0-9][ 0-9.%]*_*AllocateAllocate' >/dev/null \
-   || die `"$PPROF" --text "$SAMPLING_TEST_BINARY" "$OUTDIR/out.heap"`
+   || die "$PPROF" --text "$SAMPLING_TEST_BINARY" "$OUTDIR/out.heap"
 echo "OK"
 
-echo -n "Testing growth output..."
+echo "Testing growth output..."
 "$PPROF" --text "$SAMPLING_TEST_BINARY" "$OUTDIR/out.growth" \
    | grep '^ *[5-9][0-9]\.[0-9][ 0-9.%]*_*AllocateAllocate' >/dev/null \
-   || die `"$PPROF" --text "$SAMPLING_TEST_BINARY" "$OUTDIR/out.growth"`
+   || die "$PPROF" --text "$SAMPLING_TEST_BINARY" "$OUTDIR/out.growth"
 echo "OK"
 
 echo "PASS"