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#include "cpumap.h"
#include "env.h"
#include "util.h"
struct perf_env perf_env;
void perf_env__exit(struct perf_env *env)
{
zfree(&env->hostname);
zfree(&env->os_release);
zfree(&env->version);
zfree(&env->arch);
zfree(&env->cpu_desc);
zfree(&env->cpuid);
zfree(&env->cmdline);
zfree(&env->cmdline_argv);
zfree(&env->sibling_cores);
zfree(&env->sibling_threads);
zfree(&env->numa_nodes);
zfree(&env->pmu_mappings);
zfree(&env->cpu);
}
int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[])
{
int i;
/*
* If env->cmdline_argv has already been set, do not override it. This allows
* a command to set the cmdline, parse args and then call another
* builtin function that implements a command -- e.g, cmd_kvm calling
* cmd_record.
*/
if (env->cmdline_argv != NULL)
return 0;
/* do not include NULL termination */
env->cmdline_argv = calloc(argc, sizeof(char *));
if (env->cmdline_argv == NULL)
goto out_enomem;
/*
* Must copy argv contents because it gets moved around during option
* parsing:
*/
for (i = 0; i < argc ; i++) {
env->cmdline_argv[i] = argv[i];
if (env->cmdline_argv[i] == NULL)
goto out_free;
}
env->nr_cmdline = argc;
return 0;
out_free:
zfree(&env->cmdline_argv);
out_enomem:
return -ENOMEM;
}
int perf_env__read_cpu_topology_map(struct perf_env *env)
{
int cpu, nr_cpus;
if (env->cpu != NULL)
return 0;
if (env->nr_cpus_avail == 0)
env->nr_cpus_avail = sysconf(_SC_NPROCESSORS_CONF);
nr_cpus = env->nr_cpus_avail;
if (nr_cpus == -1)
return -EINVAL;
env->cpu = calloc(nr_cpus, sizeof(env->cpu[0]));
if (env->cpu == NULL)
return -ENOMEM;
for (cpu = 0; cpu < nr_cpus; ++cpu) {
env->cpu[cpu].core_id = cpu_map__get_core_id(cpu);
env->cpu[cpu].socket_id = cpu_map__get_socket_id(cpu);
}
env->nr_cpus_avail = nr_cpus;
return 0;
}
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