60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
namespace factor
|
|
{
|
|
|
|
#define FACTOR_PROFILE_SAMPLES_PER_SECOND 1000
|
|
|
|
struct profiling_sample_count
|
|
{
|
|
// Number of samples taken before the safepoint that recorded the sample
|
|
fixnum sample_count;
|
|
// Number of samples taken during GC
|
|
fixnum gc_sample_count;
|
|
// Number of samples taken during foreign code execution
|
|
fixnum foreign_sample_count;
|
|
// Number of samples taken during code execution in non-Factor threads
|
|
fixnum foreign_thread_sample_count;
|
|
|
|
profiling_sample_count() :
|
|
sample_count(0),
|
|
gc_sample_count(0),
|
|
foreign_sample_count(0),
|
|
foreign_thread_sample_count(0) {}
|
|
|
|
profiling_sample_count(fixnum sample_count,
|
|
fixnum gc_sample_count,
|
|
fixnum foreign_sample_count,
|
|
fixnum foreign_thread_sample_count) :
|
|
sample_count(sample_count),
|
|
gc_sample_count(gc_sample_count),
|
|
foreign_sample_count(foreign_sample_count),
|
|
foreign_thread_sample_count(foreign_thread_sample_count) {}
|
|
|
|
bool empty() const
|
|
{
|
|
return sample_count
|
|
+ gc_sample_count
|
|
+ foreign_sample_count
|
|
+ foreign_thread_sample_count == 0;
|
|
}
|
|
|
|
profiling_sample_count record_counts() volatile;
|
|
void clear() volatile;
|
|
};
|
|
|
|
struct profiling_sample
|
|
{
|
|
// Sample counts
|
|
profiling_sample_count counts;
|
|
// Active context during sample
|
|
context *ctx;
|
|
/* The callstack at safepoint time. Indexes to the beginning and ending
|
|
code_block entries in the vm sample_callstacks array. */
|
|
cell callstack_begin, callstack_end;
|
|
|
|
profiling_sample(factor_vm *vm,
|
|
profiling_sample_count const &counts,
|
|
context *ctx);
|
|
};
|
|
|
|
}
|