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1bc1e4d048
Every tracing file must have its own TRACE_SYSTEM defined. The mac80211 tracepoint header broke this and add in the middle of the file had: #undef TRACE_SYSTEM #define TRACE_SYSTEM mac80211_msg Unfortunately, this broke new code in the ftrace infrastructure. Moving the mac80211_msg into its own trace file with its own TRACE_SYSTEM defined fixes the issue. Link: http://lkml.kernel.org/r/1428389938.1841.1.camel@sipsolutions.net Reviewed-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
54 lines
1.2 KiB
C
54 lines
1.2 KiB
C
#ifdef CONFIG_MAC80211_MESSAGE_TRACING
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#if !defined(__MAC80211_MSG_DRIVER_TRACE) || defined(TRACE_HEADER_MULTI_READ)
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#define __MAC80211_MSG_DRIVER_TRACE
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#include <linux/tracepoint.h>
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#include <net/mac80211.h>
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#include "ieee80211_i.h"
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM mac80211_msg
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#define MAX_MSG_LEN 100
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DECLARE_EVENT_CLASS(mac80211_msg_event,
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TP_PROTO(struct va_format *vaf),
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TP_ARGS(vaf),
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TP_STRUCT__entry(
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__dynamic_array(char, msg, MAX_MSG_LEN)
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),
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TP_fast_assign(
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WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),
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MAX_MSG_LEN, vaf->fmt,
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*vaf->va) >= MAX_MSG_LEN);
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),
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TP_printk("%s", __get_str(msg))
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);
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DEFINE_EVENT(mac80211_msg_event, mac80211_info,
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TP_PROTO(struct va_format *vaf),
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TP_ARGS(vaf)
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);
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DEFINE_EVENT(mac80211_msg_event, mac80211_dbg,
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TP_PROTO(struct va_format *vaf),
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TP_ARGS(vaf)
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);
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DEFINE_EVENT(mac80211_msg_event, mac80211_err,
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TP_PROTO(struct va_format *vaf),
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TP_ARGS(vaf)
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);
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#endif /* !__MAC80211_MSG_DRIVER_TRACE || 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_msg
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#include <trace/define_trace.h>
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#endif
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