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mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-22 04:03:58 +08:00
linux-next/tools/perf/util/env.c
Jiri Olsa c60da22aca perf header: Transform nodes string info to struct
Storing NUMA info within struct numa_node instead of strings. This way
it's usable in future patches.

Also it turned out it's slightly less code involved than using strings.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1467634583-29147-2-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-07-04 19:39:01 -03:00

94 lines
1.8 KiB
C

#include "cpumap.h"
#include "env.h"
#include "util.h"
struct perf_env perf_env;
void perf_env__exit(struct perf_env *env)
{
int i;
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->pmu_mappings);
zfree(&env->cpu);
for (i = 0; i < env->nr_numa_nodes; i++)
cpu_map__put(env->numa_nodes[i].map);
zfree(&env->numa_nodes);
for (i = 0; i < env->caches_cnt; i++)
cpu_cache_level__free(&env->caches[i]);
zfree(&env->caches);
}
int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[])
{
int i;
/* 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;
}
void cpu_cache_level__free(struct cpu_cache_level *cache)
{
free(cache->type);
free(cache->map);
free(cache->size);
}