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/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (C) 2010-2018 B.A.T.M.A.N. contributors: * * Sven Eckelmann * * This program is free software; you can redistribute it and/or * modify it under the terms of version 2 of the GNU General Public * License 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 warranty of * MERCHANTABILITY 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 <http://www.gnu.org/licenses/>. */ #if !defined(_NET_BATMAN_ADV_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ) #define _NET_BATMAN_ADV_TRACE_H_ #include "main.h" #include <linux/tracepoint.h> #undef TRACE_SYSTEM #define TRACE_SYSTEM batadv /* provide dummy function when tracing is disabled */ #if !defined(CONFIG_BATMAN_ADV_TRACING) #undef TRACE_EVENT #define TRACE_EVENT(name, proto, ...) \ static inline void trace_ ## name(proto) {} #endif /* CONFIG_BATMAN_ADV_TRACING */ #define BATADV_MAX_MSG_LEN 256 TRACE_EVENT(batadv_dbg, TP_PROTO(struct batadv_priv *bat_priv, struct va_format *vaf), TP_ARGS(bat_priv, vaf), TP_STRUCT__entry( __string(device, bat_priv->soft_iface->name) __string(driver, KBUILD_MODNAME) __dynamic_array(char, msg, BATADV_MAX_MSG_LEN) ), TP_fast_assign( __assign_str(device, bat_priv->soft_iface->name); __assign_str(driver, KBUILD_MODNAME); WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg), BATADV_MAX_MSG_LEN, vaf->fmt, *vaf->va) >= BATADV_MAX_MSG_LEN); ), TP_printk( "%s %s %s", __get_str(driver), __get_str(device), __get_str(msg) ) ); #endif /* _NET_BATMAN_ADV_TRACE_H_ || TRACE_HEADER_MULTI_READ */ #undef TRACE_INCLUDE_PATH #define TRACE_INCLUDE_PATH . #undef TRACE_INCLUDE_FILE #define TRACE_INCLUDE_FILE trace /* This part must be outside protection */ #include <trace/define_trace.h> |