tools/perf/util/evsel.c

   1 #include "evsel.h"
   2 #include "util.h"
   3
   4 struct perf_evsel *perf_evsel__new(u32 type, u64 config, int idx)
   5 {
   6         struct perf_evsel *evsel = zalloc(sizeof(*evsel));
   7
   8         if (evsel != NULL) {
   9                 evsel->idx         = idx;
  10                 evsel->attr.type   = type;
  11                 evsel->attr.config = config;
  12                 INIT_LIST_HEAD(&evsel->node);
  13         }
  14
  15         return evsel;
  16 }
  17
  18 int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads)
  19 {
  20         evsel->fd = xyarray__new(ncpus, nthreads, sizeof(int));
  21         return evsel->fd != NULL ? 0 : -ENOMEM;
  22 }
  23
  24 void perf_evsel__free_fd(struct perf_evsel *evsel)
  25 {
  26         xyarray__delete(evsel->fd);
  27         evsel->fd = NULL;
  28 }
  29
  30 void perf_evsel__delete(struct perf_evsel *evsel)
  31 {
  32         assert(list_empty(&evsel->node));
  33         xyarray__delete(evsel->fd);
  34         free(evsel);
  35 }