Initial overlay of HQEMU 2.5.2 changes onto underlying 2.5.1 QEMU GIT tree2.5.1_overlay

1 files changed, 74 insertions, 0 deletions

diff --git a/llvm/include/llvm-soft-perfmon.h b/llvm/include/llvm-soft-perfmon.h
new file mode 100644
index 0000000..c55201e
--- /dev/null
+++ b/llvm/include/llvm-soft-perfmon.h
@@ -0,0 +1,74 @@
+/*
+ *  (C) 2010 by Computer System Laboratory, IIS, Academia Sinica, Taiwan.
+ *      See COPYRIGHT in top-level directory.
+ */
+
+#ifndef __LLVM_SOFT_PERFMON_H
+#define __LLVM_SOFT_PERFMON_H
+
+#include "utils.h"
+
+#define MAX_SPM_THREADS 256
+
+#define SPM_NONE      (uint64_t)0
+#define SPM_BASIC     ((uint64_t)1 << 0)
+#define SPM_TRACE     ((uint64_t)1 << 1)
+#define SPM_CACHE     ((uint64_t)1 << 2)
+#define SPM_PASS      ((uint64_t)1 << 3)
+#define SPM_HPM       ((uint64_t)1 << 4)
+#define SPM_EXIT      ((uint64_t)1 << 5)
+#define SPM_HOTSPOT   ((uint64_t)1 << 6)
+#define SPM_ALL       SPM_BASIC | SPM_TRACE | SPM_CACHE | SPM_PASS | SPM_HPM | \
+                      SPM_EXIT | SPM_HOTSPOT
+#define SPM_NUM       9
+
+
+/*
+ * Software Performance Monitor (SPM)
+ */
+class SoftwarePerfmon {
+public:
+    typedef void (*ExitFuncPtr)(void);
+
+    uint64_t Mode;         /* Profile level */
+    uint64_t NumInsns;     /* Number of instructions */
+    uint64_t NumBranches;  /* Number of branches */
+    uint64_t NumLoads;     /* Number of memory loads */
+    uint64_t NumStores;    /* Number of memory stores */
+    uint64_t NumTraceExits;    /* Count of trace exits */
+    uint64_t SampleTime;   /* Process time of the sampling handler. */
+    unsigned CoverSet;
+    std::vector<std::vector<uint64_t> *> SampleListVec;
+
+    SoftwarePerfmon()
+        : Mode(SPM_NONE), NumInsns(0), NumBranches(0), NumLoads(0), NumStores(0),
+          NumTraceExits(0), SampleTime(0), CoverSet(90) {}
+    SoftwarePerfmon(std::string &ProfileLevel) : SoftwarePerfmon() {
+        ParseProfileMode(ProfileLevel);
+    }
+
+    bool isEnabled() {
+        return Mode != SPM_NONE;
+    }
+
+    void registerExitFn(ExitFuncPtr F) {
+        ExitFunc.push_back(F);
+    }
+
+    void printProfile();
+
+private:
+    std::vector<ExitFuncPtr> ExitFunc;
+
+    void ParseProfileMode(std::string &ProfileLevel);
+    void printBlockProfile();
+    void printTraceProfile();
+};
+
+extern SoftwarePerfmon *SP;
+
+#endif /* __LLVM_SOFT_PERFMON_H */
+
+/*
+ * vim: ts=8 sts=4 sw=4 expandtab
+ */