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/* Copyright (c) 2016, Linaro Limited
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <odp_internal.h>
#include <arch/x86/cpu_flags.h>
#include <string.h>
int cpuinfo_parser(FILE *file, system_info_t *sysinfo)
{
char str[1024];
char *pos;
double ghz = 0.0;
uint64_t hz;
int id = 0;
strcpy(sysinfo->cpu_arch_str, "x86");
while (fgets(str, sizeof(str), file) != NULL && id < MAX_CPU_NUMBER) {
pos = strstr(str, "model name");
if (pos) {
pos = strchr(str, ':');
strncpy(sysinfo->model_str[id], pos + 2,
sizeof(sysinfo->model_str[id]) - 1);
pos = strchr(sysinfo->model_str[id], '@');
if (pos) {
*(pos - 1) = '\0';
if (sscanf(pos, "@ %lfGHz", &ghz) == 1) {
hz = (uint64_t)(ghz * 1000000000.0);
sysinfo->cpu_hz_max[id] = hz;
}
}
id++;
}
}
return 0;
}
uint64_t odp_cpu_hz_current(int id)
{
char str[1024];
FILE *file;
int cpu;
char *pos;
double mhz = 0.0;
file = fopen("/proc/cpuinfo", "rt");
/* find the correct processor instance */
while (fgets(str, sizeof(str), file) != NULL) {
pos = strstr(str, "processor");
if (pos) {
if (sscanf(pos, "processor : %d", &cpu) == 1)
if (cpu == id)
break;
}
}
/* extract the cpu current speed */
while (fgets(str, sizeof(str), file) != NULL) {
pos = strstr(str, "cpu MHz");
if (pos) {
if (sscanf(pos, "cpu MHz : %lf", &mhz) == 1)
break;
}
}
fclose(file);
if (mhz)
return (uint64_t)(mhz * 1000000.0);
return 0;
}
void sys_info_print_arch(void)
{
cpu_flags_print_all();
}
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