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-rw-r--r--src/common/CMakeLists.txt2
-rw-r--r--src/common/profiler.cpp101
-rw-r--r--src/common/profiler_reporting.h83
-rw-r--r--src/common/synchronized_wrapper.h43
4 files changed, 25 insertions, 204 deletions
diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt
index 26c83efda..8a6170257 100644
--- a/src/common/CMakeLists.txt
+++ b/src/common/CMakeLists.txt
@@ -35,7 +35,6 @@ set(SRCS
35 memory_util.cpp 35 memory_util.cpp
36 microprofile.cpp 36 microprofile.cpp
37 misc.cpp 37 misc.cpp
38 profiler.cpp
39 scm_rev.cpp 38 scm_rev.cpp
40 string_util.cpp 39 string_util.cpp
41 symbols.cpp 40 symbols.cpp
@@ -68,7 +67,6 @@ set(HEADERS
68 microprofile.h 67 microprofile.h
69 microprofileui.h 68 microprofileui.h
70 platform.h 69 platform.h
71 profiler_reporting.h
72 quaternion.h 70 quaternion.h
73 scm_rev.h 71 scm_rev.h
74 scope_exit.h 72 scope_exit.h
diff --git a/src/common/profiler.cpp b/src/common/profiler.cpp
deleted file mode 100644
index b40e7205d..000000000
--- a/src/common/profiler.cpp
+++ /dev/null
@@ -1,101 +0,0 @@
1// Copyright 2015 Citra Emulator Project
2// Licensed under GPLv2 or any later version
3// Refer to the license.txt file included.
4
5#include <algorithm>
6#include <cstddef>
7#include <vector>
8#include "common/assert.h"
9#include "common/profiler_reporting.h"
10#include "common/synchronized_wrapper.h"
11
12namespace Common {
13namespace Profiling {
14
15ProfilingManager::ProfilingManager()
16 : last_frame_end(Clock::now()), this_frame_start(Clock::now()) {}
17
18void ProfilingManager::BeginFrame() {
19 this_frame_start = Clock::now();
20}
21
22void ProfilingManager::FinishFrame() {
23 Clock::time_point now = Clock::now();
24
25 results.interframe_time = now - last_frame_end;
26 results.frame_time = now - this_frame_start;
27
28 last_frame_end = now;
29}
30
31TimingResultsAggregator::TimingResultsAggregator(size_t window_size)
32 : max_window_size(window_size), window_size(0) {
33 interframe_times.resize(window_size, Duration::zero());
34 frame_times.resize(window_size, Duration::zero());
35}
36
37void TimingResultsAggregator::Clear() {
38 window_size = cursor = 0;
39}
40
41void TimingResultsAggregator::AddFrame(const ProfilingFrameResult& frame_result) {
42 interframe_times[cursor] = frame_result.interframe_time;
43 frame_times[cursor] = frame_result.frame_time;
44
45 ++cursor;
46 if (cursor == max_window_size)
47 cursor = 0;
48 if (window_size < max_window_size)
49 ++window_size;
50}
51
52static AggregatedDuration AggregateField(const std::vector<Duration>& v, size_t len) {
53 AggregatedDuration result;
54 result.avg = Duration::zero();
55 result.min = result.max = (len == 0 ? Duration::zero() : v[0]);
56
57 for (size_t i = 0; i < len; ++i) {
58 Duration value = v[i];
59 result.avg += value;
60 result.min = std::min(result.min, value);
61 result.max = std::max(result.max, value);
62 }
63 if (len != 0)
64 result.avg /= len;
65
66 return result;
67}
68
69static float tof(Common::Profiling::Duration dur) {
70 using FloatMs = std::chrono::duration<float, std::chrono::milliseconds::period>;
71 return std::chrono::duration_cast<FloatMs>(dur).count();
72}
73
74AggregatedFrameResult TimingResultsAggregator::GetAggregatedResults() const {
75 AggregatedFrameResult result;
76
77 result.interframe_time = AggregateField(interframe_times, window_size);
78 result.frame_time = AggregateField(frame_times, window_size);
79
80 if (result.interframe_time.avg != Duration::zero()) {
81 result.fps = 1000.0f / tof(result.interframe_time.avg);
82 } else {
83 result.fps = 0.0f;
84 }
85
86 return result;
87}
88
89ProfilingManager& GetProfilingManager() {
90 // Takes advantage of "magic" static initialization for race-free initialization.
91 static ProfilingManager manager;
92 return manager;
93}
94
95SynchronizedRef<TimingResultsAggregator> GetTimingResultsAggregator() {
96 static SynchronizedWrapper<TimingResultsAggregator> aggregator(30);
97 return SynchronizedRef<TimingResultsAggregator>(aggregator);
98}
99
100} // namespace Profiling
101} // namespace Common
diff --git a/src/common/profiler_reporting.h b/src/common/profiler_reporting.h
deleted file mode 100644
index e9ce6d41c..000000000
--- a/src/common/profiler_reporting.h
+++ /dev/null
@@ -1,83 +0,0 @@
1// Copyright 2015 Citra Emulator Project
2// Licensed under GPLv2 or any later version
3// Refer to the license.txt file included.
4
5#pragma once
6
7#include <chrono>
8#include <cstddef>
9#include <vector>
10#include "common/synchronized_wrapper.h"
11
12namespace Common {
13namespace Profiling {
14
15using Clock = std::chrono::high_resolution_clock;
16using Duration = Clock::duration;
17
18struct ProfilingFrameResult {
19 /// Time since the last delivered frame
20 Duration interframe_time;
21
22 /// Time spent processing a frame, excluding VSync
23 Duration frame_time;
24};
25
26class ProfilingManager final {
27public:
28 ProfilingManager();
29
30 /// This should be called after swapping screen buffers.
31 void BeginFrame();
32 /// This should be called before swapping screen buffers.
33 void FinishFrame();
34
35 /// Get the timing results from the previous frame. This is updated when you call FinishFrame().
36 const ProfilingFrameResult& GetPreviousFrameResults() const {
37 return results;
38 }
39
40private:
41 Clock::time_point last_frame_end;
42 Clock::time_point this_frame_start;
43
44 ProfilingFrameResult results;
45};
46
47struct AggregatedDuration {
48 Duration avg, min, max;
49};
50
51struct AggregatedFrameResult {
52 /// Time since the last delivered frame
53 AggregatedDuration interframe_time;
54
55 /// Time spent processing a frame, excluding VSync
56 AggregatedDuration frame_time;
57
58 float fps;
59};
60
61class TimingResultsAggregator final {
62public:
63 TimingResultsAggregator(size_t window_size);
64
65 void Clear();
66
67 void AddFrame(const ProfilingFrameResult& frame_result);
68
69 AggregatedFrameResult GetAggregatedResults() const;
70
71 size_t max_window_size;
72 size_t window_size;
73 size_t cursor;
74
75 std::vector<Duration> interframe_times;
76 std::vector<Duration> frame_times;
77};
78
79ProfilingManager& GetProfilingManager();
80SynchronizedRef<TimingResultsAggregator> GetTimingResultsAggregator();
81
82} // namespace Profiling
83} // namespace Common
diff --git a/src/common/synchronized_wrapper.h b/src/common/synchronized_wrapper.h
index 04b4f2e51..4a1984c46 100644
--- a/src/common/synchronized_wrapper.h
+++ b/src/common/synchronized_wrapper.h
@@ -9,25 +9,8 @@
9 9
10namespace Common { 10namespace Common {
11 11
12/**
13 * Wraps an object, only allowing access to it via a locking reference wrapper. Good to ensure no
14 * one forgets to lock a mutex before acessing an object. To access the wrapped object construct a
15 * SyncronizedRef on this wrapper. Inspired by Rust's Mutex type
16 * (http://doc.rust-lang.org/std/sync/struct.Mutex.html).
17 */
18template <typename T> 12template <typename T>
19class SynchronizedWrapper { 13class SynchronizedWrapper;
20public:
21 template <typename... Args>
22 SynchronizedWrapper(Args&&... args) : data(std::forward<Args>(args)...) {}
23
24private:
25 template <typename U>
26 friend class SynchronizedRef;
27
28 std::mutex mutex;
29 T data;
30};
31 14
32/** 15/**
33 * Synchronized reference, that keeps a SynchronizedWrapper's mutex locked during its lifetime. This 16 * Synchronized reference, that keeps a SynchronizedWrapper's mutex locked during its lifetime. This
@@ -75,4 +58,28 @@ private:
75 SynchronizedWrapper<T>* wrapper; 58 SynchronizedWrapper<T>* wrapper;
76}; 59};
77 60
61/**
62 * Wraps an object, only allowing access to it via a locking reference wrapper. Good to ensure no
63 * one forgets to lock a mutex before acessing an object. To access the wrapped object construct a
64 * SyncronizedRef on this wrapper. Inspired by Rust's Mutex type
65 * (http://doc.rust-lang.org/std/sync/struct.Mutex.html).
66 */
67template <typename T>
68class SynchronizedWrapper {
69public:
70 template <typename... Args>
71 SynchronizedWrapper(Args&&... args) : data(std::forward<Args>(args)...) {}
72
73 SynchronizedRef<T> Lock() {
74 return {*this};
75 }
76
77private:
78 template <typename U>
79 friend class SynchronizedRef;
80
81 std::mutex mutex;
82 T data;
83};
84
78} // namespace Common 85} // namespace Common