blob: 7eb8732e91ce0df833c8d568237712c5ce21f138 [file] [log] [blame] [edit]
// Copyright 2017 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.
#include <lib/trace/event.h>
#include <zircon/syscalls.h>
namespace {
struct EventHelper {
EventHelper(trace_context_t* context, const char* name_literal) : ticks(zx_ticks_get()) {
trace_context_register_current_thread(context, &thread_ref);
trace_context_register_string_literal(context, name_literal, &name_ref);
}
trace_ticks_t const ticks;
trace_thread_ref_t thread_ref;
trace_string_ref_t name_ref;
};
} // namespace
// Argument names are temporarily stored in |name_ref.inline_string|.
// Convert them to string references.
void trace_internal_complete_args(trace_context_t* context, trace_arg_t* args, size_t num_args) {
for (size_t i = 0; i < num_args; ++i) {
trace_context_register_string_literal(context, args[i].name_ref.inline_string,
&args[i].name_ref);
}
}
void trace_internal_write_instant_event_record_and_release_context(
trace_context_t* context, const trace_string_ref_t* category_ref, const char* name_literal,
trace_scope_t scope, trace_arg_t* args, size_t num_args) {
EventHelper helper(context, name_literal);
trace_internal_complete_args(context, args, num_args);
trace_context_write_instant_event_record(context, helper.ticks, &helper.thread_ref, category_ref,
&helper.name_ref, scope, args, num_args);
trace_release_context(context);
}
void trace_internal_write_counter_event_record_and_release_context(
trace_context_t* context, const trace_string_ref_t* category_ref, const char* name_literal,
trace_counter_id_t counter_id, trace_arg_t* args, size_t num_args) {
EventHelper helper(context, name_literal);
trace_internal_complete_args(context, args, num_args);
trace_context_write_counter_event_record(context, helper.ticks, &helper.thread_ref, category_ref,
&helper.name_ref, counter_id, args, num_args);
trace_release_context(context);
}
void trace_internal_write_duration_begin_event_record_and_release_context(
trace_context_t* context, const trace_string_ref_t* category_ref, const char* name_literal,
trace_arg_t* args, size_t num_args) {
EventHelper helper(context, name_literal);
trace_internal_complete_args(context, args, num_args);
trace_context_write_duration_begin_event_record(context, helper.ticks, &helper.thread_ref,
category_ref, &helper.name_ref, args, num_args);
trace_release_context(context);
}
void trace_internal_write_duration_end_event_record_and_release_context(
trace_context_t* context, const trace_string_ref_t* category_ref, const char* name_literal,
trace_arg_t* args, size_t num_args) {
EventHelper helper(context, name_literal);
trace_internal_complete_args(context, args, num_args);
trace_context_write_duration_end_event_record(context, helper.ticks, &helper.thread_ref,
category_ref, &helper.name_ref, args, num_args);
trace_release_context(context);
}
void trace_internal_write_duration_event_record(const trace_internal_duration_scope_t* scope) {
trace_string_ref_t category_ref;
trace_context_t* context =
trace_acquire_context_for_category(scope->category_literal, &category_ref);
if (likely(context)) {
EventHelper helper(context, scope->name_literal);
trace_internal_complete_args(context, scope->args, scope->num_args);
trace_context_write_duration_event_record(context, scope->start_time, helper.ticks,
&helper.thread_ref, &category_ref, &helper.name_ref,
scope->args, scope->num_args);
trace_release_context(context);
}
}
void trace_internal_write_async_begin_event_record_and_release_context(
trace_context_t* context, const trace_string_ref_t* category_ref, const char* name_literal,
trace_async_id_t async_id, trace_arg_t* args, size_t num_args) {
EventHelper helper(context, name_literal);
trace_internal_complete_args(context, args, num_args);
trace_context_write_async_begin_event_record(context, helper.ticks, &helper.thread_ref,
category_ref, &helper.name_ref, async_id, args,
num_args);
trace_release_context(context);
}
void trace_internal_write_async_instant_event_record_and_release_context(
trace_context_t* context, const trace_string_ref_t* category_ref, const char* name_literal,
trace_async_id_t async_id, trace_arg_t* args, size_t num_args) {
EventHelper helper(context, name_literal);
trace_internal_complete_args(context, args, num_args);
trace_context_write_async_instant_event_record(context, helper.ticks, &helper.thread_ref,
category_ref, &helper.name_ref, async_id, args,
num_args);
trace_release_context(context);
}
void trace_internal_write_async_end_event_record_and_release_context(
trace_context_t* context, const trace_string_ref_t* category_ref, const char* name_literal,
trace_async_id_t async_id, trace_arg_t* args, size_t num_args) {
EventHelper helper(context, name_literal);
trace_internal_complete_args(context, args, num_args);
trace_context_write_async_end_event_record(context, helper.ticks, &helper.thread_ref,
category_ref, &helper.name_ref, async_id, args,
num_args);
trace_release_context(context);
}
void trace_internal_write_flow_begin_event_record_and_release_context(
trace_context_t* context, const trace_string_ref_t* category_ref, const char* name_literal,
trace_flow_id_t flow_id, trace_arg_t* args, size_t num_args) {
EventHelper helper(context, name_literal);
trace_internal_complete_args(context, args, num_args);
trace_context_write_flow_begin_event_record(context, helper.ticks, &helper.thread_ref,
category_ref, &helper.name_ref, flow_id, args,
num_args);
trace_release_context(context);
}
void trace_internal_write_flow_step_event_record_and_release_context(
trace_context_t* context, const trace_string_ref_t* category_ref, const char* name_literal,
trace_flow_id_t flow_id, trace_arg_t* args, size_t num_args) {
EventHelper helper(context, name_literal);
trace_internal_complete_args(context, args, num_args);
trace_context_write_flow_step_event_record(context, helper.ticks, &helper.thread_ref,
category_ref, &helper.name_ref, flow_id, args,
num_args);
trace_release_context(context);
}
void trace_internal_write_flow_end_event_record_and_release_context(
trace_context_t* context, const trace_string_ref_t* category_ref, const char* name_literal,
trace_flow_id_t flow_id, trace_arg_t* args, size_t num_args) {
EventHelper helper(context, name_literal);
trace_internal_complete_args(context, args, num_args);
trace_context_write_flow_end_event_record(context, helper.ticks, &helper.thread_ref, category_ref,
&helper.name_ref, flow_id, args, num_args);
trace_release_context(context);
}
void trace_internal_write_blob_event_record_and_release_context(
trace_context_t* context, const trace_string_ref_t* category_ref, const char* name_literal,
const void* blob, size_t blob_size, trace_arg_t* args, size_t num_args) {
EventHelper helper(context, name_literal);
trace_internal_complete_args(context, args, num_args);
trace_context_write_blob_event_record(context, helper.ticks, &helper.thread_ref, category_ref,
&helper.name_ref, blob, blob_size, args, num_args);
trace_release_context(context);
}
void trace_internal_write_blob_attachment_record_and_release_context(
trace_context_t* context, const trace_string_ref_t* category_ref, const char* name_literal,
const void* blob, size_t blob_size) {
trace_string_ref_t name_ref;
trace_context_register_string_literal(context, name_literal, &name_ref);
trace_context_write_blob_attachment_record(context, category_ref, &name_ref, blob, blob_size);
trace_release_context(context);
}
void trace_internal_write_kernel_object_record_for_handle_and_release_context(
trace_context_t* context, zx_handle_t handle, trace_arg_t* args, size_t num_args) {
trace_internal_complete_args(context, args, num_args);
trace_context_write_kernel_object_record_for_handle(context, handle, args, num_args);
trace_release_context(context);
}
void trace_internal_write_blob_record_and_release_context(trace_context_t* context,
trace_blob_type_t type,
const char* name_literal,
const void* blob, size_t blob_size) {
trace_string_ref_t name_ref;
trace_context_register_string_literal(context, name_literal, &name_ref);
trace_context_write_blob_record(context, type, &name_ref, blob, blob_size);
trace_release_context(context);
}
void trace_internal_send_alert_and_release_context(trace_context_t* context,
const char* alert_name) {
trace_context_send_alert(context, alert_name);
trace_release_context(context);
}