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diff --git a/src/cpu/profile.hh b/src/cpu/profile.hh
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+/*
+ * Copyright (c) 2005 The Regents of The University of Michigan
+ * 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
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __CPU_PROFILE_HH__
+#define __CPU_PROFILE_HH__
+
+#include <map>
+
+#include "cpu/static_inst.hh"
+#include "sim/host.hh"
+#include "arch/stacktrace.hh"
+
+class ExecContext;
+
+class ProfileNode
+{
+  private:
+    friend class FunctionProfile;
+
+    typedef std::map<Addr, ProfileNode *> ChildList;
+    ChildList children;
+
+  public:
+    Counter count;
+
+  public:
+    ProfileNode();
+
+    void dump(const std::string &symbol, uint64_t id,
+              const SymbolTable *symtab, std::ostream &os) const;
+    void clear();
+};
+
+class Callback;
+class FunctionProfile
+{
+  private:
+    Callback *reset;
+    const SymbolTable *symtab;
+    ProfileNode top;
+    std::map<Addr, Counter> pc_count;
+    StackTrace trace;
+
+  public:
+    FunctionProfile(const SymbolTable *symtab);
+    ~FunctionProfile();
+
+    ProfileNode *consume(ExecContext *xc, StaticInstPtr inst);
+    ProfileNode *consume(const std::vector<Addr> &stack);
+    void clear();
+    void dump(ExecContext *xc, std::ostream &out) const;
+    void sample(ProfileNode *node, Addr pc);
+};
+
+inline ProfileNode *
+FunctionProfile::consume(ExecContext *xc, StaticInstPtr inst)
+{
+    if (!trace.trace(xc, inst))
+        return NULL;
+    trace.dprintf();
+    return consume(trace.getstack());
+}
+
+#endif // __CPU_PROFILE_HH__