/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>

#include "util.h"

size_t getMemUsage(){
  pid_t pid = getpid();
  char cmd[1000];
  sprintf(cmd, "cat /proc/%d/status | grep VmData |  awk '{print $2}'", pid);
  FILE *f = popen(cmd, "r");
  int dataSize;
  fscanf(f, "%d\n", &dataSize);
  pclose(f);
  return (size_t)dataSize * (size_t)1024;
}
