include/util/kernel.h

   1 /*
   2  * PASS
   3  *
   4  * Copyright (c) 2022 Samsung Electronics Co., Ltd.
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the License);
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18
  19 #ifndef __KERNEL_H__
  20 #define __KERNEL_H__
  21
  22 #include <glib.h>
  23 #include <linux/taskstats.h>
  24 #include "common.h"
  25
  26 struct cpu_stat {
  27         char name[10];
  28         unsigned int cpu;
  29         int64_t user;
  30         int64_t system;
  31         int64_t nice;
  32         int64_t idle;
  33         int64_t wait;
  34         int64_t hard_irq;
  35         int64_t soft_irq;
  36 };
  37
  38 struct proc_map_info {
  39         uint32_t rss;
  40         uint32_t pss;
  41         uint32_t swap;
  42         uint32_t swap_pss;
  43         uint32_t gpu_mem;
  44 };
  45
  46 enum {
  47         PROCESS_STAT_FIELD_PID,
  48         PROCESS_STAT_FIELD_COMM,
  49         PROCESS_STAT_FIELD_STATE,
  50         PROCESS_STAT_FIELD_PPID,
  51         PROCESS_STAT_FIELD_PGID,
  52         PROCESS_STAT_FIELD_MAX,
  53 };
  54
  55 int kernel_get_online_cpu_num(void);
  56 int kernel_get_possible_cpu_num(void);
  57
  58 int kernel_get_total_cpu_stat(struct cpu_stat *total);
  59 int kernel_get_per_cpu_stat(struct cpu_stat *cpus, int num_possible_cpus,
  60                             int *num_online_cpus);
  61
  62 int kernel_get_memory_info(const char *key, u_int64_t *val);
  63 int kernel_get_memory_total(u_int64_t *val);
  64
  65 int kernel_get_process_stat_fields(pid_t pid, char *buffer, int buf_len,
  66                                    char *stat_fields[PROCESS_STAT_FIELD_MAX]);
  67 int kernel_get_process_taskstats(struct taskstats *stats, int cmd_type, pid_t pid);
  68 int kernel_get_thread_group_taskstats(struct taskstats *stats, pid_t tgid, bool get_proc_info);
  69 int
  70 kernel_get_thread_group_map_info(struct proc_map_info *map_info, pid_t tgid, bool include_gpu_mem);
  71 bool kernel_check_gpu_support(void);
  72 bool kernel_check_taskstat_support(void);
  73 #endif