system/ulib/trace-vthread/include/trace-vthread/internal/event_vthread.h

// Copyright 2018 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef TRACE_VTHREAD_INTERNAL_EVENT_VTHREAD_H_
#define TRACE_VTHREAD_INTERNAL_EVENT_VTHREAD_H_

#include <trace-engine/instrumentation.h>
#include <trace/event_args.h>

#ifndef NTRACE
#define TRACE_VTHREAD_INTERNAL_EVENT_RECORD(                        \
    category_literal, stmt, args...)                                \
    do {                                                            \
        trace_string_ref_t __trace_vthread_category_ref;            \
        trace_context_t* __trace_vthread_context =                  \
            trace_acquire_context_for_category(                     \
                (category_literal), &__trace_vthread_category_ref); \
        if (unlikely(__trace_vthread_context)) {                    \
            TRACE_DECLARE_ARGS(__trace_vthread_context,             \
                               __trace_vthread_args,                \
                               args);                               \
            stmt;                                                   \
        }                                                           \
    } while (0)
#else
#define TRACE_VTHREAD_INTERNAL_EVENT_RECORD(                 \
    category_literal, stmt, args...)                         \
    do {                                                     \
        if (0) {                                             \
            trace_string_ref_t __trace_vthread_category_ref; \
            trace_context_t* __trace_vthread_context = 0;    \
            TRACE_DECLARE_ARGS(__trace_vthread_context,      \
                               __trace_vthread_args,         \
                               args);                        \
            stmt;                                            \
        }                                                    \
    } while (0)
#endif // NTRACE

#define TRACE_VTHREAD_INTERNAL_DURATION_BEGIN(                                            \
    category_literal, name_literal, vthread_literal, vthread_id, timestamp,               \
    args...)                                                                              \
    do {                                                                                  \
        TRACE_VTHREAD_INTERNAL_EVENT_RECORD(                                              \
            (category_literal),                                                           \
            trace_internal_write_vthread_duration_begin_event_record_and_release_context( \
                __trace_vthread_context, &__trace_vthread_category_ref,                   \
                (name_literal), (vthread_literal), (vthread_id), (timestamp),             \
                __trace_vthread_args, TRACE_NUM_ARGS(__trace_vthread_args)),              \
            args);                                                                        \
    } while (0)

#define TRACE_VTHREAD_INTERNAL_DURATION_END(                                            \
    category_literal, name_literal, vthread_literal, vthread_id, timestamp,             \
    args...)                                                                            \
    do {                                                                                \
        TRACE_VTHREAD_INTERNAL_EVENT_RECORD(                                            \
            (category_literal),                                                         \
            trace_internal_write_vthread_duration_end_event_record_and_release_context( \
                __trace_vthread_context, &__trace_vthread_category_ref,                 \
                (name_literal), (vthread_literal), (vthread_id), (timestamp),           \
                __trace_vthread_args, TRACE_NUM_ARGS(__trace_vthread_args)),            \
            args);                                                                      \
    } while (0)

#define TRACE_VTHREAD_INTERNAL_FLOW_BEGIN(                                            \
    category_literal, name_literal, vthread_literal, vthread_id,                      \
    flow_id, timestamp, args...)                                                      \
    do {                                                                              \
        TRACE_VTHREAD_INTERNAL_EVENT_RECORD(                                          \
            (category_literal),                                                       \
            trace_internal_write_vthread_flow_begin_event_record_and_release_context( \
                __trace_vthread_context, &__trace_vthread_category_ref,               \
                (name_literal), (vthread_literal), (vthread_id), (flow_id),           \
                (timestamp), __trace_vthread_args,                                    \
                TRACE_NUM_ARGS(__trace_vthread_args)),                                \
            args);                                                                    \
    } while (0)

#define TRACE_VTHREAD_INTERNAL_FLOW_STEP(                                            \
    category_literal, name_literal, vthread_literal, vthread_id,                     \
    flow_id, timestamp, args...)                                                     \
    do {                                                                             \
        TRACE_VTHREAD_INTERNAL_EVENT_RECORD(                                         \
            (category_literal),                                                      \
            trace_internal_write_vthread_flow_step_event_record_and_release_context( \
                __trace_vthread_context, &__trace_vthread_category_ref,              \
                (name_literal), (vthread_literal), (vthread_id), (flow_id),          \
                (timestamp), __trace_vthread_args,                                   \
                TRACE_NUM_ARGS(__trace_vthread_args)),                               \
            args);                                                                   \
    } while (0)

#define TRACE_VTHREAD_INTERNAL_FLOW_END(                                            \
    category_literal, name_literal, vthread_literal, vthread_id,                    \
    flow_id, timestamp, args...)                                                    \
    do {                                                                            \
        TRACE_VTHREAD_INTERNAL_EVENT_RECORD(                                        \
            (category_literal),                                                     \
            trace_internal_write_vthread_flow_end_event_record_and_release_context( \
                __trace_vthread_context, &__trace_vthread_category_ref,             \
                (name_literal), (vthread_literal), (vthread_id), (flow_id),         \
                (timestamp), __trace_vthread_args,                                  \
                TRACE_NUM_ARGS(__trace_vthread_args)),                              \
            args);                                                                  \
    } while (0)

void trace_internal_write_vthread_duration_begin_event_record_and_release_context(
    trace_context_t* context,
    const trace_string_ref_t* category_ref,
    const char* name_literal,
    const char* vthread_literal,
    trace_vthread_id_t vthread_id,
    trace_ticks_t timestamp,
    trace_arg_t* args, size_t num_args);

void trace_internal_write_vthread_duration_end_event_record_and_release_context(
    trace_context_t* context,
    const trace_string_ref_t* category_ref,
    const char* name_literal,
    const char* vthread_literal,
    trace_vthread_id_t vthread_id,
    trace_ticks_t timestamp,
    trace_arg_t* args, size_t num_args);

void trace_internal_write_vthread_flow_begin_event_record_and_release_context(
    trace_context_t* context,
    const trace_string_ref_t* category_ref,
    const char* name_literal,
    const char* vthread_literal,
    trace_vthread_id_t vthread_id,
    trace_flow_id_t flow_id,
    trace_ticks_t timestamp,
    trace_arg_t* args, size_t num_args);

void trace_internal_write_vthread_flow_step_event_record_and_release_context(
    trace_context_t* context,
    const trace_string_ref_t* category_ref,
    const char* name_literal,
    const char* vthread_literal,
    trace_vthread_id_t vthread_id,
    trace_flow_id_t flow_id,
    trace_ticks_t timestamp,
    trace_arg_t* args, size_t num_args);

void trace_internal_write_vthread_flow_end_event_record_and_release_context(
    trace_context_t* context,
    const trace_string_ref_t* category_ref,
    const char* name_literal,
    const char* vthread_literal,
    trace_vthread_id_t vthread_id,
    trace_flow_id_t flow_id,
    trace_ticks_t timestamp,
    trace_arg_t* args, size_t num_args);

#endif // TRACE_VTHREAD_INTERNAL_EVENT_VTHREAD_H_