43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
namespace factor {
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struct profiling_sample {
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// Active thread during sample
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cell thread;
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// The callstack at safepoint time. Indexes to the beginning and ending
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// word entries in the vm sample_callstacks array.
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cell callstack_begin, callstack_end;
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// Number of samples taken before the safepoint that recorded the sample
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fixnum sample_count;
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// Number of samples taken during GC
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fixnum gc_sample_count;
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// Number of samples taken during unoptimized compiler
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fixnum jit_sample_count;
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// Number of samples taken during foreign code execution
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fixnum foreign_sample_count;
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// Number of samples taken during code execution in non-Factor threads
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fixnum foreign_thread_sample_count;
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profiling_sample(fixnum sample_count, fixnum gc_sample_count,
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fixnum jit_sample_count, fixnum foreign_sample_count,
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fixnum foreign_thread_sample_count)
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: thread(0),
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callstack_begin(0),
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callstack_end(0),
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sample_count(sample_count),
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gc_sample_count(gc_sample_count),
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jit_sample_count(jit_sample_count),
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foreign_sample_count(foreign_sample_count),
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foreign_thread_sample_count(foreign_thread_sample_count) {}
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profiling_sample record_counts() volatile;
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void clear_counts() volatile;
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bool empty() const {
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return sample_count + gc_sample_count + jit_sample_count +
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foreign_sample_count + foreign_thread_sample_count ==
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0;
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}
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};
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}
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