/* * Copyright © 2014 Canonical Ltd. * * This program is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License version 3, as published * by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranties of * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR * PURPOSE. See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program. If not, see . * * Authors: * Ted Gould */ #ifndef UAL_TRACEPOINT_H__ #define UAL_TRACEPOINT_H__ 1 #include extern int _ual_tracepoints_env_checked; extern int _ual_tracepoints_enabled; /* Little macro that makes it so we can easily turn off all the tracepoints if they're not needed. Also cleans up the code a bit by removing some common elements */ #define ual_tracepoint(point, ...) \ if (G_UNLIKELY(!_ual_tracepoints_env_checked)) { \ _ual_tracepoints_enabled = getenv("UBUNTU_APP_LAUNCH_LTTNG_ENABLED") != NULL; \ _ual_tracepoints_env_checked = 1; \ } \ if (G_UNLIKELY(_ual_tracepoints_enabled)) { \ tracepoint(ubuntu_app_launch, point, __VA_ARGS__); \ } #endif /* UAL_TRACEPOINT_H__ */