121 lines
3.2 KiB
C
121 lines
3.2 KiB
C
/* $NetBSD: trace.c,v 1.33 2023/03/28 14:39:31 rillig Exp $ */
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/*
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* Copyright (c) 2000 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Bill Sommerfeld
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* trace.c --
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* handle logging of trace events generated by various parts of make.
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*
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* Interface:
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* Trace_Init Initialize tracing (called once during
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* the lifetime of the process)
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*
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* Trace_End Finalize tracing (called before make exits)
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*
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* Trace_Log Log an event about a particular make job.
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*/
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#include <sys/time.h>
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#include "make.h"
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#include "job.h"
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#include "trace.h"
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MAKE_RCSID("$NetBSD: trace.c,v 1.33 2023/03/28 14:39:31 rillig Exp $");
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static FILE *trfile;
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static pid_t trpid;
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static const char *trwd;
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static const char evname[][4] = {
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"BEG",
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"END",
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"ERR",
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"JOB",
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"DON",
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"INT",
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};
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void
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Trace_Init(const char *pathname)
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{
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if (pathname != NULL) {
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FStr curDir;
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trpid = getpid();
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/*
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* XXX: This variable may get overwritten later, which would
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* make trwd point to undefined behavior.
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*/
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curDir = Var_Value(SCOPE_GLOBAL, ".CURDIR");
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trwd = curDir.str;
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trfile = fopen(pathname, "a");
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}
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}
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void
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Trace_Log(TrEvent event, Job *job)
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{
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struct timeval rightnow;
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if (trfile == NULL)
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return;
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gettimeofday(&rightnow, NULL);
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#if __STDC_VERSION__ >= 199901L
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fprintf(trfile, "%lld.%06ld %d %s %d %s",
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(long long)rightnow.tv_sec, (long)rightnow.tv_usec,
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jobTokensRunning,
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evname[event], trpid, trwd);
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#else
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fprintf(trfile, "%ld.%06ld %d %s %d %s",
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(long)rightnow.tv_sec, (long)rightnow.tv_usec,
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jobTokensRunning,
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evname[event], trpid, trwd);
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#endif
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if (job != NULL) {
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char flags[4];
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Job_FlagsToString(job, flags, sizeof flags);
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fprintf(trfile, " %s %d %s %x", job->node->name,
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job->pid, flags, job->node->type);
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}
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fputc('\n', trfile);
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fflush(trfile);
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}
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void
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Trace_End(void)
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{
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if (trfile != NULL)
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fclose(trfile);
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}
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