linux/tools/perf/util/env.h
Jiri Olsa 389799a7a1 perf env: Add perf_env__numa_node()
To speed up cpu to node lookup, add perf_env__numa_node(), that creates
cpu array on the first lookup, that holds numa nodes for each stored
cpu.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Joe Mario <jmario@redhat.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20190904073415.723-3-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-11-06 15:49:39 -03:00

130 lines
2.8 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PERF_ENV_H
#define __PERF_ENV_H
#include <linux/types.h>
#include <linux/rbtree.h>
#include "rwsem.h"
struct perf_cpu_map;
struct cpu_topology_map {
int socket_id;
int die_id;
int core_id;
};
struct cpu_cache_level {
u32 level;
u32 line_size;
u32 sets;
u32 ways;
char *type;
char *size;
char *map;
};
struct numa_node {
u32 node;
u64 mem_total;
u64 mem_free;
struct perf_cpu_map *map;
};
struct memory_node {
u64 node;
u64 size;
unsigned long *set;
};
struct perf_env {
char *hostname;
char *os_release;
char *version;
char *arch;
int nr_cpus_online;
int nr_cpus_avail;
char *cpu_desc;
char *cpuid;
unsigned long long total_mem;
unsigned int msr_pmu_type;
int nr_cmdline;
int nr_sibling_cores;
int nr_sibling_dies;
int nr_sibling_threads;
int nr_numa_nodes;
int nr_memory_nodes;
int nr_pmu_mappings;
int nr_groups;
char *cmdline;
const char **cmdline_argv;
char *sibling_cores;
char *sibling_dies;
char *sibling_threads;
char *pmu_mappings;
struct cpu_topology_map *cpu;
struct cpu_cache_level *caches;
int caches_cnt;
u32 comp_ratio;
u32 comp_ver;
u32 comp_type;
u32 comp_level;
u32 comp_mmap_len;
struct numa_node *numa_nodes;
struct memory_node *memory_nodes;
unsigned long long memory_bsize;
u64 clockid_res_ns;
/*
* bpf_info_lock protects bpf rbtrees. This is needed because the
* trees are accessed by different threads in perf-top
*/
struct {
struct rw_semaphore lock;
struct rb_root infos;
u32 infos_cnt;
struct rb_root btfs;
u32 btfs_cnt;
} bpf_progs;
/* For fast cpu to numa node lookup via perf_env__numa_node */
int *numa_map;
int nr_numa_map;
};
enum perf_compress_type {
PERF_COMP_NONE = 0,
PERF_COMP_ZSTD,
PERF_COMP_MAX
};
struct bpf_prog_info_node;
struct btf_node;
extern struct perf_env perf_env;
void perf_env__exit(struct perf_env *env);
int perf_env__set_cmdline(struct perf_env *env, int argc, const char *argv[]);
int perf_env__read_cpuid(struct perf_env *env);
int perf_env__read_cpu_topology_map(struct perf_env *env);
void cpu_cache_level__free(struct cpu_cache_level *cache);
const char *perf_env__arch(struct perf_env *env);
const char *perf_env__raw_arch(struct perf_env *env);
int perf_env__nr_cpus_avail(struct perf_env *env);
void perf_env__init(struct perf_env *env);
void perf_env__insert_bpf_prog_info(struct perf_env *env,
struct bpf_prog_info_node *info_node);
struct bpf_prog_info_node *perf_env__find_bpf_prog_info(struct perf_env *env,
__u32 prog_id);
void perf_env__insert_btf(struct perf_env *env, struct btf_node *btf_node);
struct btf_node *perf_env__find_btf(struct perf_env *env, __u32 btf_id);
int perf_env__numa_node(struct perf_env *env, int cpu);
#endif /* __PERF_ENV_H */