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perfaware/part2: Add disable switch for profiler

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doyle
2023-07-24 22:07:16 +10:00
parent bc2da4df4c
commit 5817060a8b
2 changed files with 50 additions and 35 deletions
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part2/haversine.c
+44 -35
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@@ -17,14 +17,6 @@ typedef struct ProfilerAnchor {
u64 hits;
} ProfilerAnchor;
typedef struct ProfilerZone {
u64 parent_index;
uint32_t index;
HAV_Str8 label;
u64 elapsed_tsc_inclusive;
u64 tsc;
} ProfilerZone;
typedef struct Profiler {
ProfilerAnchor anchors[4096];
u64 begin_tsc;
@@ -34,33 +26,6 @@ typedef struct Profiler {
static Profiler g_profiler;
#define Profiler_BeginZone(label) Profiler_BeginZone_(HAV_STR8(label), __COUNTER__ + 1)
static ProfilerZone Profiler_BeginZone_(HAV_Str8 label, uint32_t index)
{
ProfilerZone result = {0};
result.index = index;
result.label = label;
result.tsc = ReadCPUTimer();
result.elapsed_tsc_inclusive = g_profiler.anchors[index].elapsed_tsc_inclusive;
result.parent_index = g_profiler.parent_index;
g_profiler.parent_index = index;
return result;
}
static void Profiler_EndZone(ProfilerZone zone)
{
u64 elapsed_tsc = ReadCPUTimer() - zone.tsc;
ProfilerAnchor* anchor = g_profiler.anchors + zone.index;
ProfilerAnchor* parent = g_profiler.anchors + zone.parent_index;
anchor->elapsed_tsc_exclusive += elapsed_tsc;
anchor->elapsed_tsc_inclusive = zone.elapsed_tsc_inclusive + elapsed_tsc;
anchor->label = zone.label;
anchor->hits++;
parent->elapsed_tsc_exclusive -= elapsed_tsc;
g_profiler.parent_index = zone.parent_index;
}
static void Profiler_Dump()
{
u64 total_elapsed_tsc = g_profiler.end_tsc - g_profiler.begin_tsc;
@@ -83,6 +48,50 @@ static void Profiler_Dump()
}
}
typedef struct ProfilerZone {
u64 parent_index;
uint32_t index;
HAV_Str8 label;
u64 elapsed_tsc_inclusive;
u64 tsc;
} ProfilerZone;
#define Profiler_BeginZone(label) Profiler_BeginZone_(HAV_STR8(label), __COUNTER__ + 1)
static ProfilerZone Profiler_BeginZone_(HAV_Str8 label, uint32_t index)
{
ProfilerZone result = {0};
#if defined(HAV_PROFILER)
result.index = index;
result.label = label;
result.tsc = ReadCPUTimer();
result.elapsed_tsc_inclusive = g_profiler.anchors[index].elapsed_tsc_inclusive;
result.parent_index = g_profiler.parent_index;
g_profiler.parent_index = index;
#else
(void)label; (void)index;
#endif
return result;
}
static void Profiler_EndZone(ProfilerZone zone)
{
#if defined(HAV_PROFILER)
u64 elapsed_tsc = ReadCPUTimer() - zone.tsc;
ProfilerAnchor* anchor = g_profiler.anchors + zone.index;
ProfilerAnchor* parent = g_profiler.anchors + zone.parent_index;
anchor->elapsed_tsc_exclusive += elapsed_tsc;
anchor->elapsed_tsc_inclusive = zone.elapsed_tsc_inclusive + elapsed_tsc;
anchor->label = zone.label;
anchor->hits++;
parent->elapsed_tsc_exclusive -= elapsed_tsc;
g_profiler.parent_index = zone.parent_index;
#else
(void)zone;
#endif
}
typedef struct Str8FindResult {
bool found;
HAV_Str8 match;