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864e880f6c
For now it lists the sources if one is not provided, and checks for the source's existence. It lists the events if not provided, checks for their existence if provided, and adjusts reported events/start/stop/pause events, and performs state transitions. It lists sinks and adjusts them as well. Filters, lock, and level are not implemented yet.
74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
/*
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* include/proto/trace.h
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* This file provides functions for runtime tracing
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*
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* Copyright (C) 2000-2019 Willy Tarreau - w@1wt.eu
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation, version 2.1
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* exclusively.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _PROTO_TRACE_H
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#define _PROTO_TRACE_H
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#include <common/buffer.h>
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#include <common/compat.h>
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#include <common/config.h>
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#include <common/ist.h>
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#include <common/mini-clist.h>
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#include <types/log.h>
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#include <types/sink.h>
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#include <types/trace.h>
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extern struct list trace_sources;
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extern THREAD_LOCAL struct buffer trace_buf;
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/* return a single char to describe a trace state */
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static inline char trace_state_char(enum trace_state st)
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{
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return (st == TRACE_STATE_RUNNING) ? 'R' :
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(st == TRACE_STATE_WAITING) ? 'w' :
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'.';
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}
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/* return a single char to describe an event state */
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static inline char trace_event_char(uint64_t conf, uint64_t ev)
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{
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return (conf & ev) ? '+' : '-';
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}
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/* registers trace source <source>. Modifies the list element!
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* The {start,pause,stop,report} events are not changed so the source may
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* preset them.
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*/
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static inline void trace_register_source(struct trace_source *source)
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{
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source->lockon = TRACE_LOCKON_NOTHING;
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source->level = TRACE_LEVEL_USER;
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source->detail_level = LOG_NOTICE;
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source->sink = NULL;
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source->state = TRACE_STATE_STOPPED;
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source->lockon_ptr = NULL;
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LIST_ADDQ(&trace_sources, &source->source_link);
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}
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#endif /* _PROTO_TRACE_H */
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/*
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* Local variables:
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* c-indent-level: 8
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* c-basic-offset: 8
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* End:
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*/
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