86 lines
2.5 KiB
C++
86 lines
2.5 KiB
C++
/*
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* Copyright (c) 2003-2005 The Regents of The University of Michigan
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* All rights reserved.
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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 are
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* met: 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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* 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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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <ctype.h>
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#include <errno.h>
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#include <math.h>
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#include <unistd.h>
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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#include <string>
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#include "base/misc.hh"
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#include "sim/host.hh"
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using namespace std;
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string
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__get_hostname()
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{
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char host[256];
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if (gethostname(host, sizeof host) == -1)
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warn("could not get host name!");
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return host;
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}
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string &
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hostname()
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{
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static string hostname = __get_hostname();
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return hostname;
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}
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uint64_t
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procInfo(char *filename, char *target)
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{
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int done = 0;
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char line[80];
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char format[80];
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long usage;
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FILE *fp = fopen(filename, "r");
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while (fp && !feof(fp) && !done) {
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if (fgets(line, 80, fp)) {
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if (strncmp(line, target, strlen(target)) == 0) {
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snprintf(format, sizeof(format), "%s %%ld", target);
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sscanf(line, format, &usage);
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fclose(fp);
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return usage ;
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}
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}
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}
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if (fp)
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fclose(fp);
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return 0;
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}
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