48 lines
No EOL
1.9 KiB
C
48 lines
No EOL
1.9 KiB
C
String_Builder _profile_output = {0};
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bool profiler_initted = false;
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Spinlock _profiler_lock;
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void dump_profile_result() {
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File file = os_file_open("google_trace.json", O_CREATE | O_WRITE);
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os_file_write_string(file, STR("["));
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os_file_write_string(file, _profile_output.result);
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os_file_write_string(file, STR("{}]"));
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os_file_close(file);
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log_verbose("Wrote profiling result to google_trace.json");
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}
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void _profiler_report_time_cycles(string name, u64 count, u64 start) {
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if (!profiler_initted) {
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spinlock_init(&_profiler_lock);
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profiler_initted = true;
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string_builder_init_reserve(&_profile_output, 1024*1000, get_heap_allocator());
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}
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spinlock_acquire_or_wait(&_profiler_lock);
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string fmt = STR("{\"cat\":\"function\",\"dur\":%.3f,\"name\":\"%s\",\"ph\":\"X\",\"pid\":0,\"tid\":%zu,\"ts\":%lld},");
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string_builder_print(&_profile_output, fmt, (float64)count*1000, name, context.thread_id, start*1000);
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spinlock_release(&_profiler_lock);
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}
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#if ENABLE_PROFILING
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#define tm_scope_cycles(name) \
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for (u64 start_time = os_get_current_cycle_count(), end_time = start_time, elapsed_time = 0; \
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elapsed_time == 0; \
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elapsed_time = (end_time = os_get_current_cycle_count()) - start_time, _profiler_report_time_cycles(STR(name), elapsed_time, start_time))
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#define tm_scope_cycles_var(name, var) \
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for (u64 start_time = os_get_current_cycle_count(), end_time = start_time, elapsed_time = 0; \
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elapsed_time == 0; \
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elapsed_time = (end_time = os_get_current_cycle_count()) - start_time, var=elapsed_time)
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#define tm_scope_cycles_accum(name, var) \
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for (u64 start_time = os_get_current_cycle_count(), end_time = start_time, elapsed_time = 0; \
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elapsed_time == 0; \
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elapsed_time = (end_time = os_get_current_cycle_count()) - start_time, var+=elapsed_time)
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#else
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#define tm_scope_cycles(...)
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#define tm_scope_cycles_var(...)
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#define tm_scope_cycles_accum(...)
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#endif |