/*
* pfmlib_priv.c: set of internal utility functions for all architectures
*
* Copyright (c) 2006 Hewlett-Packard Development Company, L.P.
* Contributed by Stephane Eranian <eranian@hpl.hp.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <sys/types.h>
#include <ctype.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <limits.h>
#include <perfmon/pfmlib.h>
#include "pfmlib_priv.h"
/*
* file for all libpfm verbose and debug output
*
* By default, it is set to stderr, unless the
* PFMLIB_DEBUG_STDOUT environment variable is set
*/
FILE *libpfm_fp;
/*
* by convention all internal utility function must be prefixed by __
*/
/*
* debug printf
*/
void
__pfm_vbprintf(const char *fmt, ...)
{
va_list ap;
if (pfm_config.options.pfm_verbose == 0)
return;
va_start(ap, fmt);
vfprintf(libpfm_fp, fmt, ap);
va_end(ap);
}
int
__pfm_check_event(pfmlib_event_t *e)
{
unsigned int n, j;
if (e->event >= pfm_current->pme_count)
return PFMLIB_ERR_INVAL;
n = pfm_num_masks(e->event);
if (n == 0 && e->num_masks)
return PFMLIB_ERR_UMASK;
for(j=0; j < e->num_masks; j++) {
if (e->unit_masks[j] >= n)
return PFMLIB_ERR_UMASK;
}
/*
* if event has umask, but non specified by user, then
* return:
* - error if no default umask is defined
* - success if default umask exists for event
*/
if (n && j == 0) {
if (pfm_current->has_umask_default
&& pfm_current->has_umask_default(e->event))
return PFMLIB_SUCCESS;
return PFMLIB_ERR_UMASK;
}
return PFMLIB_SUCCESS;
}