Contents

#pragma once

#include <ddprof/ffi.h>

// Note: Please DO NOT use `VALUE_STRING` anywhere else, instead use `DDPROF_FFI_CHARSLICE_C`.
// `VALUE_STRING` is only needed because older versions of gcc (4.9.2, used in our Ruby 2.2 CI test images)
// tripped when compiling `enabled_value_types` using `-std=gnu99` due to the extra cast that is included in
// `DDPROF_FFI_CHARSLICE_C` with the following error:
//
// ```
// compiling ../../../../ext/ddtrace_profiling_native_extension/stack_recorder.c
// ../../../../ext/ddtrace_profiling_native_extension/stack_recorder.c:23:1: error: initializer element is not constant
// static const ddprof_ffi_ValueType enabled_value_types[] = {CPU_TIME_VALUE, CPU_SAMPLES_VALUE, WALL_TIME_VALUE};
// ^
// ```
#define VALUE_STRING(string) {.ptr = "" string, .len = sizeof(string) - 1}

#define CPU_TIME_VALUE          {.type_ = VALUE_STRING("cpu-time"),          .unit = VALUE_STRING("nanoseconds")}
#define CPU_SAMPLES_VALUE       {.type_ = VALUE_STRING("cpu-samples"),       .unit = VALUE_STRING("count")}
#define WALL_TIME_VALUE         {.type_ = VALUE_STRING("wall-time"),         .unit = VALUE_STRING("nanoseconds")}
#define ALLOC_SIZE_VALUE        {.type_ = VALUE_STRING("alloc-size"),        .unit = VALUE_STRING("bytes")}
#define ALLOC_SAMPLES_VALUE     {.type_ = VALUE_STRING("alloc-samples"),     .unit = VALUE_STRING("count")}
#define HEAP_LIVE_SIZE_VALUE    {.type_ = VALUE_STRING("heap-live-size"),    .unit = VALUE_STRING("bytes")}
#define HEAP_LIVE_SAMPLES_VALUE {.type_ = VALUE_STRING("heap-live-samples"), .unit = VALUE_STRING("count")}

static const ddprof_ffi_ValueType enabled_value_types[] = {
  #define CPU_TIME_VALUE_POS 0
  CPU_TIME_VALUE,
  #define CPU_SAMPLES_VALUE_POS 1
  CPU_SAMPLES_VALUE,
  #define WALL_TIME_VALUE_POS 2
  WALL_TIME_VALUE
};

#define ENABLED_VALUE_TYPES_COUNT (sizeof(enabled_value_types) / sizeof(ddprof_ffi_ValueType))

void record_sample(VALUE recorder_instance, ddprof_ffi_Sample sample);
VALUE enforce_recorder_instance(VALUE object);

Version data entries

6 entries across 6 versions & 1 rubygems

Version	Path
ddtrace-1.5.2	ext/ddtrace_profiling_native_extension/stack_recorder.h
ddtrace-1.5.1	ext/ddtrace_profiling_native_extension/stack_recorder.h
ddtrace-1.5.0	ext/ddtrace_profiling_native_extension/stack_recorder.h
ddtrace-1.4.2	ext/ddtrace_profiling_native_extension/stack_recorder.h
ddtrace-1.4.1	ext/ddtrace_profiling_native_extension/stack_recorder.h
ddtrace-1.4.0	ext/ddtrace_profiling_native_extension/stack_recorder.h