diff options
Diffstat (limited to 'tools/perf/util/evlist.c')
| -rw-r--r-- | tools/perf/util/evlist.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 7b4faec23737..2abf949259d0 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -1,3 +1,4 @@ +#include <poll.h> #include "evlist.h" #include "evsel.h" #include "util.h" @@ -28,6 +29,7 @@ static void perf_evlist__purge(struct perf_evlist *evlist) void perf_evlist__delete(struct perf_evlist *evlist) { perf_evlist__purge(evlist); + free(evlist->pollfd); free(evlist); } @@ -51,3 +53,10 @@ int perf_evlist__add_default(struct perf_evlist *evlist) perf_evlist__add(evlist, evsel); return 0; } + +int perf_evlist__alloc_pollfd(struct perf_evlist *evlist, int ncpus, int nthreads) +{ + int nfds = ncpus * nthreads * evlist->nr_entries; + evlist->pollfd = malloc(sizeof(struct pollfd) * nfds); + return evlist->pollfd != NULL ? 0 : -ENOMEM; +} |