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core_timing: Split off utility functions into core_timing_util

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This commit is contained in:
MerryMage 2018-07-24 11:03:24 +01:00
parent b8459d2778
commit 44646e2ea0
12 changed files with 137 additions and 105 deletions
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53
src/core/core_timing.cpp
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@ -5,17 +5,15 @@
#include "core/core_timing.h"
#include <algorithm>
#include <cinttypes>
#include <limits>
#include <mutex>
#include <string>
#include <tuple>
#include <unordered_map>
#include <vector>
#include "common/assert.h"
#include "common/logging/log.h"
#include "common/thread.h"
#include "common/threadsafe_queue.h"
#include "core/core_timing_util.h"
namespace CoreTiming {
@ -59,7 +57,6 @@ static u64 event_fifo_id;
static Common::MPSCQueue<Event, false> ts_queue;
constexpr int MAX_SLICE_LENGTH = 20000;
constexpr u64 MAX_VALUE_TO_MULTIPLY = std::numeric_limits<s64>::max() / BASE_CLOCK_RATE;
static s64 idled_cycles;
@ -72,54 +69,6 @@ static EventType* ev_lost = nullptr;
static void EmptyTimedCallback(u64 userdata, s64 cyclesLate) {}
s64 usToCycles(s64 us) {
if (us / 1000000 > MAX_VALUE_TO_MULTIPLY) {
LOG_ERROR(Core_Timing, "Integer overflow, use max value");
return std::numeric_limits<s64>::max();
}
if (us > MAX_VALUE_TO_MULTIPLY) {
LOG_DEBUG(Core_Timing, "Time very big, do rounding");
return BASE_CLOCK_RATE * (us / 1000000);
}
return (BASE_CLOCK_RATE * us) / 1000000;
}
s64 usToCycles(u64 us) {
if (us / 1000000 > MAX_VALUE_TO_MULTIPLY) {
LOG_ERROR(Core_Timing, "Integer overflow, use max value");
return std::numeric_limits<s64>::max();
}
if (us > MAX_VALUE_TO_MULTIPLY) {
LOG_DEBUG(Core_Timing, "Time very big, do rounding");
return BASE_CLOCK_RATE * static_cast<s64>(us / 1000000);
}
return (BASE_CLOCK_RATE * static_cast<s64>(us)) / 1000000;
}
s64 nsToCycles(s64 ns) {
if (ns / 1000000000 > MAX_VALUE_TO_MULTIPLY) {
LOG_ERROR(Core_Timing, "Integer overflow, use max value");
return std::numeric_limits<s64>::max();
}
if (ns > MAX_VALUE_TO_MULTIPLY) {
LOG_DEBUG(Core_Timing, "Time very big, do rounding");
return BASE_CLOCK_RATE * (ns / 1000000000);
}
return (BASE_CLOCK_RATE * ns) / 1000000000;
}
s64 nsToCycles(u64 ns) {
if (ns / 1000000000 > MAX_VALUE_TO_MULTIPLY) {
LOG_ERROR(Core_Timing, "Integer overflow, use max value");
return std::numeric_limits<s64>::max();
}
if (ns > MAX_VALUE_TO_MULTIPLY) {
LOG_DEBUG(Core_Timing, "Time very big, do rounding");
return BASE_CLOCK_RATE * (static_cast<s64>(ns) / 1000000000);
}
return (BASE_CLOCK_RATE * static_cast<s64>(ns)) / 1000000000;
}
EventType* RegisterEvent(const std::string& name, TimedCallback callback) {
// check for existing type with same name.
// we want event type names to remain unique so that we can use them for serialization.