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| author | Erik Verbruggen <erik.verbruggen@qt.io> | 2017-08-01 15:23:45 +0200 |
|---|---|---|
| committer | Erik Verbruggen <erik.verbruggen@qt.io> | 2017-08-02 14:00:47 +0000 |
| commit | 37a43e3e00c55ac44ea79ff748e8d988fd893f7c (patch) | |
| tree | b3f07733789c3e2ba056956d08603a2a028bbab1 /src | |
| parent | 36df81a9893fb5343eb0bfc2e5dbd5e2a8ea3224 (diff) | |
Add code to count the number of instructions executed
Change-Id: Id62b9561e51a4f8ef5de3dd2c25b2e24a1e85aaf
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Diffstat (limited to 'src')
| -rw-r--r-- | src/qml/jsruntime/qv4vme_moth.cpp | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/qml/jsruntime/qv4vme_moth.cpp b/src/qml/jsruntime/qv4vme_moth.cpp index ca2d611035..98e553a7f4 100644 --- a/src/qml/jsruntime/qv4vme_moth.cpp +++ b/src/qml/jsruntime/qv4vme_moth.cpp @@ -55,6 +55,7 @@ #include "qv4alloca_p.h" +#undef COUNT_INSTRUCTIONS extern "C" { @@ -293,6 +294,25 @@ Q_NEVER_INLINE static void debug_slowPath(const QV4::Moth::Instr::instr_debug &i using namespace QV4; using namespace QV4::Moth; +#ifdef COUNT_INSTRUCTIONS +static struct InstrCount { + InstrCount() { + fprintf(stderr, "Counting instructions...\n"); + for (int i = 0; i < Instr::LastInstruction; ++i) + hits[i] = 0; + } + ~InstrCount() { + fprintf(stderr, "Instruction count:\n"); +#define BLAH(I, FMT) \ + fprintf(stderr, "%llu : %s\n", hits[Instr::I], #I); + FOR_EACH_MOTH_INSTR(BLAH) + #undef BLAH + } + quint64 hits[Instr::LastInstruction]; + void hit(Instr::Type i) { hits[i]++; } +} instrCount; +#endif // COUNT_INSTRUCTIONS + #define MOTH_BEGIN_INSTR_COMMON(I) { \ const InstrMeta<int(Instr::I)>::DataType &instr = InstrMeta<int(Instr::I)>::data(*genericInstr); \ code += InstrMeta<int(Instr::I)>::Size; \ @@ -300,8 +320,15 @@ using namespace QV4::Moth; #ifdef MOTH_THREADED_INTERPRETER + +#ifdef COUNT_INSTRUCTIONS +# define MOTH_BEGIN_INSTR(I) op_##I: \ + instrCount.hit(Instr::I); \ + MOTH_BEGIN_INSTR_COMMON(I) +#else // !COUNT_INSTRUCTIONS # define MOTH_BEGIN_INSTR(I) op_##I: \ MOTH_BEGIN_INSTR_COMMON(I) +#endif // COUNT_INSTRUCTIONS # define MOTH_END_INSTR(I) } \ genericInstr = reinterpret_cast<const Instr *>(code); \ |