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9abc291812
Instead of open coding a __dynamic_array() with a fixed length (which defeats the purpose of the dynamic array in the first place). Use the new __vstring() helper that will use a va_list and only write enough of the string into the ring buffer that is needed. Link: https://lkml.kernel.org/r/20220724191650.236b1355@rorschach.local.home Cc: Marek Lindner <mareklindner@neomailbox.ch> Cc: Ingo Molnar <mingo@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Simon Wunderlich <sw@simonwunderlich.de> Cc: Antonio Quartulli <a@unstable.cc> Cc: "David S. Miller" <davem@davemloft.net> Cc: Eric Dumazet <edumazet@google.com> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Paolo Abeni <pabeni@redhat.com> Cc: b.a.t.m.a.n@lists.open-mesh.org Cc: netdev@vger.kernel.org Acked-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (C) B.A.T.M.A.N. contributors:
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*
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* Sven Eckelmann
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*/
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#if !defined(_NET_BATMAN_ADV_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
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#define _NET_BATMAN_ADV_TRACE_H_
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#include "main.h"
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#include <linux/bug.h>
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#include <linux/kernel.h>
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#include <linux/netdevice.h>
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#include <linux/percpu.h>
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#include <linux/printk.h>
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#include <linux/tracepoint.h>
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM batadv
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/* provide dummy function when tracing is disabled */
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#if !defined(CONFIG_BATMAN_ADV_TRACING)
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#undef TRACE_EVENT
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#define TRACE_EVENT(name, proto, ...) \
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static inline void trace_ ## name(proto) {}
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#endif /* CONFIG_BATMAN_ADV_TRACING */
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TRACE_EVENT(batadv_dbg,
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TP_PROTO(struct batadv_priv *bat_priv,
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struct va_format *vaf),
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TP_ARGS(bat_priv, vaf),
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TP_STRUCT__entry(
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__string(device, bat_priv->soft_iface->name)
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__string(driver, KBUILD_MODNAME)
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__vstring(msg, vaf->fmt, vaf->va)
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),
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TP_fast_assign(
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__assign_str(device, bat_priv->soft_iface->name);
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__assign_str(driver, KBUILD_MODNAME);
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__assign_vstr(msg, vaf->fmt, vaf->va);
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),
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TP_printk(
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"%s %s %s",
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__get_str(driver),
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__get_str(device),
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__get_str(msg)
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)
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);
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#endif /* _NET_BATMAN_ADV_TRACE_H_ || TRACE_HEADER_MULTI_READ */
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#undef TRACE_INCLUDE_PATH
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#define TRACE_INCLUDE_PATH .
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#undef TRACE_INCLUDE_FILE
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#define TRACE_INCLUDE_FILE trace
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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