Function main

example/cacheSimulator/main.c:7–48

#include "libCacheSim.h"

int main(int argc, char **argv) {
  /* setup a csv reader */
  reader_init_param_t init_params = default_reader_init_params();
  init_params.obj_id_field = 5;
  init_params.obj_size_field = 4;
  init_params.time_field = 2;
  init_params.has_header_set = true;
  init_params.has_header = true;
  init_params.delimiter = ',';

  /* we can also use open_trace with the same parameters */
  reader_t *reader =
      open_trace("../../../data/cloudPhysicsIO.csv", CSV_TRACE, &init_params);

  /* set up a request */
  request_t *req = new_request();

  /* read one request and print */
  read_one_req(reader, req);
  print_request(req);

  /* setup a cache */
  common_cache_params_t cc_params = {
      .cache_size = 1 * GiB, .hashpower = 24, .consider_obj_metadata = false};
  cache_t *lru = LRU_init(cc_params, NULL);

  int64_t n_hit = 0, n_req = 0;
  while (read_one_req(reader, req) == 0) {
    if (lru->get(lru, req)) {
      n_hit++;
    }
    n_req++;
  }

  printf("hit ratio: %lf\n", (double)n_hit / n_req);

  free_request(req);
  lru->cache_free(lru);
  close_reader(reader);

  return 0;
}