src/performance/insntrace/ktrace_controller.h

// Copyright 2019 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 SRC_PERFORMANCE_INSNTRACE_KTRACE_CONTROLLER_H_
#define SRC_PERFORMANCE_INSNTRACE_KTRACE_CONTROLLER_H_

#include <fuchsia/tracing/kernel/cpp/fidl.h>
#include <stdint.h>

namespace insntrace {

zx_status_t OpenKtraceControllerChannel(
    fuchsia::tracing::kernel::ControllerSyncPtr* out_controller_ptr);

bool RequestKtraceStart(const fuchsia::tracing::kernel::ControllerSyncPtr& ktrace,
                        uint32_t group_mask);

void RequestKtraceStop(const fuchsia::tracing::kernel::ControllerSyncPtr& ktrace);

void RequestKtraceRewind(const fuchsia::tracing::kernel::ControllerSyncPtr& ktrace);

void DumpKtraceBuffer(const char* output_path_prefix, const char* output_path_suffix);

}  // namespace insntrace

#endif  // SRC_PERFORMANCE_INSNTRACE_KTRACE_CONTROLLER_H_