Squashed 'third_party/gperftools/' content from commit 54505f1

Change-Id: Id02e833828732b0efe7dac722b8485279e67c5fa
git-subtree-dir: third_party/gperftools
git-subtree-split: 54505f1d50c2d1f4676f5e87090b64a117fd980e
diff --git a/doc/pprof.see_also b/doc/pprof.see_also
new file mode 100644
index 0000000..f2caf52
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+++ b/doc/pprof.see_also
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+[see also]
+Further documentation for
+.B pprof
+is maintained as a web page called
+.B cpu_profiler.html
+and is likely installed at one of the following locations:
+.IP
+.B /usr/share/gperftools/cpu_profiler.html
+.br
+.B /usr/local/share/gperftools/cpu_profiler.html
+.PP