/*
* pfmlib_os_macos.c: set of functions for MacOS (Tiger)
*
* Copyright (c) 2008 Stephane Eranian
* Contributed by Stephane Eranian <eranian@gmail.com>
* As a sign of friendship to my friend Eric, big fan of MacOS
*
* 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 <stdint.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/sysctl.h>
#include "pfmlib_priv.h"
typedef enum {
TYPE_NONE,
TYPE_STR,
TYPE_INT
} mib_name_t;
/*
* helper function to retrieve one value from /proc/cpuinfo
* for internal libpfm use only
* attr: the attribute (line) to look for
* ret_buf: a buffer to store the value of the attribute (as a string)
* maxlen : number of bytes of capacity in ret_buf
*
* ret_buf is null terminated.
*
* Return:
* 0 : attribute found, ret_buf populated
* -1: attribute not found
*/
int
__pfm_getcpuinfo_attr(const char *attr, char *ret_buf, size_t maxlen)
{
mib_name_t type = TYPE_NONE;
union {
char str[32];
int val;
} value;
char *name = NULL;
int mib[16];
int ret = -1;
size_t len, mib_len;
if (attr == NULL || ret_buf == NULL || maxlen < 1)
return -1;
*ret_buf = '\0';
if (!strcmp(attr, "vendor_id")) {
name = "machdep.cpu.vendor";
type = TYPE_STR;
} else if (!strcmp(attr, "model")) {
name = "machdep.cpu.model";
type = TYPE_INT;
} else if (!strcmp(attr, "cpu family")) {
name = "machdep.cpu.family";
type = TYPE_INT;
}
mib_len = 16;
ret = sysctlnametomib(name, mib, &mib_len);
if (ret)
return -1;
len = sizeof(value);
ret = sysctl(mib, mib_len, &value, &len, NULL, 0);
if (ret)
return ret;
if (type == TYPE_STR)
strncpy(ret_buf, value.str, maxlen);
else if (type == TYPE_INT)
snprintf(ret_buf, maxlen, "%d", value.val);
__pfm_vbprintf("attr=%s ret=%d ret_buf=%s\n", attr, ret, ret_buf);
return ret;
}
void
pfm_init_syscalls(void)
{
}