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/*
* HardInfo - Displays System Information
* Copyright (C) 2003-2006 L. A. F. Pereira <l@tia.mat.br>
* This file by Burt P. <pburt0@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 2 or later.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <string.h>
#include "hardinfo.h"
#include "cpu_util.h"
#include "cpubits.h"
#define CPU_TOPO_NULL -9877
const gchar *byte_order_str() {
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
return _("Little Endian");
#else
return _("Big Endian");
#endif
}
int processor_has_flag(gchar * strflags, gchar * strflag)
{
gchar **flags;
gint ret = 0;
if (strflags == NULL || strflag == NULL)
return 0;
flags = g_strsplit(strflags, " ", 0);
ret = g_strv_contains((const gchar * const *)flags, strflag);
g_strfreev(flags);
return ret;
}
gchar* get_cpu_str(const gchar* file, gint cpuid) {
gchar *tmp0 = NULL;
gchar *tmp1 = NULL;
tmp0 = g_strdup_printf("/sys/devices/system/cpu/cpu%d/%s", cpuid, file);
g_file_get_contents(tmp0, &tmp1, NULL, NULL);
g_free(tmp0);
return tmp1;
}
gint get_cpu_int(const char* item, int cpuid, int null_val) {
gchar *fc = NULL;
int ret = null_val;
fc = get_cpu_str(item, cpuid);
if (fc) {
ret = atol(fc);
g_free(fc);
}
return ret;
}
/* cpubits is 32768 bits long
* core_ids are not unique among physical_ids
* hack up cpubits into 128 packs of 256 cores
* to make cores unique in cpubits */
#define MAX_CORES_PER_PACK 256
#define MAX_PACKS 128
int cpu_procs_cores_threads_nodes(int *p, int *c, int *t, int *n)
{
cpubits *threads, *cores, *packs;
char *tmp;
int i, m, pack_id, core_id;
g_file_get_contents("/sys/devices/system/cpu/present", &tmp, NULL, NULL);
if (tmp == NULL) {
*p = *c = *t = *n = -1;
return 0;
}
threads = cpubits_from_str(tmp);
cores = cpubits_from_str("");
packs = cpubits_from_str("");
m = cpubits_max(threads);
for (i = 0; i <= m; i++) {
pack_id = get_cpu_int("topology/physical_package_id", i, CPU_TOPO_NULL);
core_id = get_cpu_int("topology/core_id", i, CPU_TOPO_NULL);
if (pack_id < 0)
pack_id = 0;
CPUBIT_SET(packs, pack_id);
if (core_id >= 0) {
CPUBIT_SET(cores, (pack_id * MAX_CORES_PER_PACK) + core_id);
}
}
*t = cpubits_count(threads);
*c = cpubits_count(cores);
//HACK: Arms cores are described different in topology, only Cortex-A65 is multithreaded so this fix is for 99%
#ifdef ARCH_arm
*c = *t;
#endif
*p = cpubits_count(packs);
*n = 1;
g_free(tmp);
g_file_get_contents("/sys/devices/system/node/possible", &tmp, NULL, NULL);
if (tmp != NULL) {
cpubits *nodes = cpubits_from_str(tmp);
if (nodes)
*n = cpubits_count(nodes);
free(nodes);
}
if (!*c)
*c = *t; //if no cores, set to threads - probably SBC, best for benchmark
if (!*p)
*p = 1;
if (!*n)
*n = 1;
g_free(threads);
g_free(cores);
g_free(packs);
g_free(tmp);
return 1;
}
cpufreq_data *cpufreq_new(gint id)
{
cpufreq_data *cpufd;
cpufd = malloc(sizeof(cpufreq_data));
if (cpufd) {
memset(cpufd, 0, sizeof(cpufreq_data));
cpufd->id = id;
cpufreq_update(cpufd, 0);
}
return cpufd;
}
void cpufreq_update(cpufreq_data *cpufd, int cur_only)
{
if (cpufd) {
cpufd->cpukhz_cur = get_cpu_int("cpufreq/scaling_cur_freq", cpufd->id, 0);
if (cur_only) return;
cpufd->scaling_driver = get_cpu_str("cpufreq/scaling_driver", cpufd->id);
cpufd->scaling_governor = get_cpu_str("cpufreq/scaling_governor", cpufd->id);
cpufd->transition_latency = get_cpu_int("cpufreq/cpuinfo_transition_latency", cpufd->id, 0);
cpufd->cpukhz_min = get_cpu_int("cpufreq/scaling_min_freq", cpufd->id, 0);
cpufd->cpukhz_max = get_cpu_int("cpufreq/scaling_max_freq", cpufd->id, 0);
if (cpufd->scaling_driver == NULL) cpufd->scaling_driver = g_strdup("(Unknown)");
if (cpufd->scaling_governor == NULL) cpufd->scaling_governor = g_strdup("(Unknown)");
/* x86 uses freqdomain_cpus, all others use affected_cpus */
cpufd->shared_list = get_cpu_str("cpufreq/freqdomain_cpus", cpufd->id);
if (cpufd->shared_list == NULL) cpufd->shared_list = get_cpu_str("cpufreq/affected_cpus", cpufd->id);
if (cpufd->shared_list == NULL) cpufd->shared_list = g_strdup_printf("%d", cpufd->id);
}
}
void cpufreq_free(cpufreq_data *cpufd)
{
if (cpufd) {
g_free(cpufd->scaling_driver);
g_free(cpufd->scaling_governor);
}
g_free(cpufd);
}
cpu_topology_data *cputopo_new(gint id)
{
cpu_topology_data *cputd;
cputd = malloc(sizeof(cpu_topology_data));
if (cputd) {
memset(cputd, 0, sizeof(cpu_topology_data));
cputd->id = id;
cputd->socket_id = get_cpu_int("topology/physical_package_id", id, CPU_TOPO_NULL);
cputd->core_id = get_cpu_int("topology/core_id", id, CPU_TOPO_NULL);
cputd->book_id = get_cpu_int("topology/book_id", id, CPU_TOPO_NULL);
cputd->drawer_id = get_cpu_int("topology/drawer_id", id, CPU_TOPO_NULL);
}
return cputd;
}
void cputopo_free(cpu_topology_data *cputd)
{
g_free(cputd);
}
gchar *cpufreq_section_str(cpufreq_data *cpufd)
{
if (cpufd == NULL)
return g_strdup("");
if (cpufd->cpukhz_min || cpufd->cpukhz_max || cpufd->cpukhz_cur) {
return g_strdup_printf(
"[%s]\n"
"%s=%d %s\n"
"%s=%d %s\n"
"%s=%d %s\n"
"%s=%d %s\n"
"%s=%s\n"
"%s=%s\n",
_("Frequency Scaling"),
_("Minimum"), cpufd->cpukhz_min, _("kHz"),
_("Maximum"), cpufd->cpukhz_max, _("kHz"),
_("Current"), cpufd->cpukhz_cur, _("kHz"),
_("Transition Latency"), cpufd->transition_latency, _("ns"),
_("Governor"), cpufd->scaling_governor,
_("Driver"), cpufd->scaling_driver);
} else {
return g_strdup_printf(
"[%s]\n"
"%s=%s\n",
_("Frequency Scaling"),
_("Driver"), cpufd->scaling_driver);
}
}
gchar *cputopo_section_str(cpu_topology_data *cputd)
{
static const char na[] = N_("(Not Available)");
char sock_str[64] = "", core_str[64] = "";
char book_str[64] = "", drawer_str[64] = "";
if (cputd == NULL)
return g_strdup("");
if (cputd->socket_id != CPU_TOPO_NULL && cputd->socket_id != -1)
sprintf(sock_str, "%s=%d\n", _("Socket"), cputd->socket_id);
else
sprintf(sock_str, "%s=%s\n", _("Socket"), na);
if (cputd->core_id != CPU_TOPO_NULL)
sprintf(core_str, "%s=%d\n", _("Core"), cputd->core_id);
else
sprintf(core_str, "%s=%s\n", _("Core"), na);
if (cputd->book_id != CPU_TOPO_NULL)
sprintf(core_str, "%s=%d\n", _("Book"), cputd->book_id);
if (cputd->book_id != CPU_TOPO_NULL)
sprintf(core_str, "%s=%d\n", _("Drawer"), cputd->drawer_id);
return g_strdup_printf(
"[%s]\n"
"%s=%d\n"
"%s%s%s%s",
_("Topology"),
_("ID"), cputd->id,
sock_str, core_str, book_str, drawer_str );
}
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