stats: Shuffle around info stuff so it can be accessed separately

3 files changed, 231 insertions, 2 deletions

diff --git a/src/base/stats/info.hh b/src/base/stats/info.hh
new file mode 100644
index 000000000..d0ff6b170
--- /dev/null
+++ b/src/base/stats/info.hh
@@ -0,0 +1,220 @@
+/*
+ * Copyright (c) 2003-2005 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.
+ *
+ * Authors: Nathan Binkert
+ */
+
+#include "base/stats/flags.hh"
+#include "base/stats/types.hh"
+
+namespace Stats {
+
+struct StorageParams
+{
+    virtual ~StorageParams();
+};
+
+struct Visit;
+
+class Info
+{
+  public:
+    /** The name of the stat. */
+    std::string name;
+    /** The description of the stat. */
+    std::string desc;
+    /** The formatting flags. */
+    StatFlags flags;
+    /** The display precision. */
+    int precision;
+    /** A pointer to a prerequisite Stat. */
+    const Info *prereq;
+    /**
+     * A unique stat ID for each stat in the simulator.
+     * Can be used externally for lookups as well as for debugging.
+     */
+    static int id_count;
+    int id;
+
+  public:
+    const StorageParams *storageParams;
+
+  public:
+    Info();
+    virtual ~Info();
+
+    /** Set the name of this statistic */
+    void setName(const std::string &name);
+
+    /**
+     * Check that this stat has been set up properly and is ready for
+     * use
+     * @return true for success
+     */
+    virtual bool check() const = 0;
+    bool baseCheck() const;
+
+    /**
+     * Enable the stat for use
+     */
+    virtual void enable();
+
+    /**
+     * Prepare the stat for dumping.
+     */
+    virtual void prepare() = 0;
+
+    /**
+     * Reset the stat to the default state.
+     */
+    virtual void reset() = 0;
+
+    /**
+     * @return true if this stat has a value and satisfies its
+     * requirement as a prereq
+     */
+    virtual bool zero() const = 0;
+
+    /**
+     * Visitor entry for outputing statistics data
+     */
+    virtual void visit(Visit &visitor) = 0;
+
+    /**
+     * Checks if the first stat's name is alphabetically less than the second.
+     * This function breaks names up at periods and considers each subname
+     * separately.
+     * @param stat1 The first stat.
+     * @param stat2 The second stat.
+     * @return stat1's name is alphabetically before stat2's
+     */
+    static bool less(Info *stat1, Info *stat2);
+};
+
+class ScalarInfo : public Info
+{
+  public:
+    virtual Counter value() const = 0;
+    virtual Result result() const = 0;
+    virtual Result total() const = 0;
+};
+
+class VectorInfo : public Info
+{
+  public:
+    /** Names and descriptions of subfields. */
+    std::vector<std::string> subnames;
+    std::vector<std::string> subdescs;
+
+  public:
+    void enable();
+
+  public:
+    virtual size_type size() const = 0;
+    virtual const VCounter &value() const = 0;
+    virtual const VResult &result() const = 0;
+    virtual Result total() const = 0;
+};
+
+struct DistData
+{
+    Counter min_val;
+    Counter max_val;
+    Counter underflow;
+    Counter overflow;
+    VCounter cvec;
+    Counter sum;
+    Counter squares;
+    Counter samples;
+};
+
+struct DistParams : public StorageParams
+{
+    const bool fancy;
+
+    /** The minimum value to track. */
+    Counter min;
+    /** The maximum value to track. */
+    Counter max;
+    /** The number of entries in each bucket. */
+    Counter bucket_size;
+    /** The number of buckets. Equal to (max-min)/bucket_size. */
+    size_type buckets;
+
+    explicit DistParams(bool f) : fancy(f) {}
+};
+
+class DistInfo : public Info
+{
+  public:
+    /** Local storage for the entry values, used for printing. */
+    DistData data;
+};
+
+class VectorDistInfo : public Info
+{
+  public:
+    std::vector<DistData> data;
+
+    /** Names and descriptions of subfields. */
+    std::vector<std::string> subnames;
+    std::vector<std::string> subdescs;
+    void enable();
+
+  protected:
+    /** Local storage for the entry values, used for printing. */
+    mutable VResult rvec;
+
+  public:
+    virtual size_type size() const = 0;
+};
+
+class Vector2dInfo : public Info
+{
+  public:
+    /** Names and descriptions of subfields. */
+    std::vector<std::string> subnames;
+    std::vector<std::string> subdescs;
+    std::vector<std::string> y_subnames;
+
+    size_type x;
+    size_type y;
+
+    /** Local storage for the entry values, used for printing. */
+    mutable VCounter cvec;
+
+    void enable();
+};
+
+class FormulaInfo : public VectorInfo
+{
+  public:
+    virtual std::string str() const = 0;
+};
+
+
+/* namespace Stats */ }
diff --git a/src/base/stats/mysql.cc b/src/base/stats/mysql.cc
index dff9a0ee0..84e131e4f 100644
--- a/src/base/stats/mysql.cc
+++ b/src/base/stats/mysql.cc
@@ -36,8 +36,8 @@
 
 #include "base/misc.hh"
 #include "base/mysql.hh"
-#include "base/statistics.hh"
 #include "base/stats/flags.hh"
+#include "base/stats/info.hh"
 #include "base/stats/mysql.hh"
 #include "base/stats/mysql_run.hh"
 #include "base/stats/types.hh"
diff --git a/src/base/stats/text.cc b/src/base/stats/text.cc
index 8502ec747..fbb1ad1e6 100644
--- a/src/base/stats/text.cc
+++ b/src/base/stats/text.cc
@@ -36,13 +36,20 @@
 #include <math.h>
 #endif
 
+#include <cassert>
+#ifdef __SUNPRO_CC
+#include <math.h>
+#endif
+#include <cmath>
 #include <iostream>
 #include <sstream>
 #include <fstream>
 #include <string>
 
+#include "base/cast.hh"
 #include "base/misc.hh"
-#include "base/statistics.hh"
+#include "base/str.hh"
+#include "base/stats/info.hh"
 #include "base/stats/text.hh"
 #include "base/stats/visit.hh"
 
@@ -72,6 +79,8 @@ __nan()
 
 namespace Stats {
 
+std::list<Info *> &statsList();
+
 Text::Text()
     : mystream(false), stream(NULL), descriptions(false)
 {