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Split script profiler into a separate file

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git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@1201 0fc631ac-6414-0410-93d0-97cfa31319b6
This commit is contained in:
twanvl
2008-09-03 20:55:48 +00:00
parent d0e83dd277
commit f405b82ce2
8 changed files with 265 additions and 120 deletions
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src/script/context.cpp
+1 -89
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@@ -9,6 +9,7 @@
#include <util/prec.hpp>
#include <script/context.hpp>
#include <script/to_value.hpp>
#include <script/profiler.hpp>
#include <util/error.hpp>
#include <iostream>
@@ -18,95 +19,6 @@ Context::Context()
: level(0)
{}
// ----------------------------------------------------------------------------- : Profiler
#if USE_SCRIPT_PROFILING
#ifndef UNICODE
#error "It looks like you are building the final release; disable USE_SCRIPT_PROFILING!"
#endif
#ifdef WIN32
typedef LONGLONG ProfileTime;
ProfileTime timer_now() {
LARGE_INTEGER i;
QueryPerformanceCounter(&i);
return i.QuadPart;
}
ProfileTime timer_resolution() {
LARGE_INTEGER i;
QueryPerformanceFrequency(&i);
return i.QuadPart;
}
#else
#error "Can't use profiler"
#endif
ProfileTime delta; ///< Time excluded
class Timer {
public:
Timer() {
start = timer_now() + delta;
}
ProfileTime time() {
ProfileTime end = timer_now() + delta;
ProfileTime diff = end - start;
start = end;
return diff;
}
void exclude_time() {
ProfileTime delta_delta = time();
delta -= delta_delta; // this time is not counted, even recursively
start -= delta_delta;
}
private:
ProfileTime start;
};
/// How much time was spent in each function?
struct FunctionProfile {
FunctionProfile() : time(0), calls(0) {}
ProfileTime time;
UInt calls;
};
VectorIntMap<unsigned int, FunctionProfile> variable_timings;
/// Profile a single function
struct Profiler {
public:
inline Profiler(Timer& timer, Variable function)
: timer(timer), function(function)
{
timer.exclude_time();
}
inline ~Profiler() {
ProfileTime time = timer.time();
if ((int)function < 0) return;
// per function timing
FunctionProfile& funprof = variable_timings[function];
funprof.time += time;
funprof.calls += 1;
timer.exclude_time();
}
private:
Timer& timer;
Variable function;
};
/// Get profile time in seconds and function names
void get_profile(vector<FunctionProfileItem>& out) {
double resolution = timer_resolution();
const vector<FunctionProfile>& times = variable_timings.get();
for (size_t i = 0 ; i < times.size() ; ++i) {
if (times[i].calls == 0) continue;
out.push_back(FunctionProfileItem(variable_to_string((Variable)i), times[i].time / resolution, times[i].calls));
}
}
#endif
// ----------------------------------------------------------------------------- : Evaluate
// Perform a unary simple instruction, store the result in a (not in *a)