diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-01-18 21:41:45 -0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-01-24 13:18:05 -0200 |
| commit | ef1d1af28ca37fdbc2745da040529cd2953c1af5 (patch) | |
| tree | dff4a86fbc813ca808ce0607e3e041cdcdca5cec /tools/perf/util/evlist.c | |
| parent | d0dd74e853a0a6f37e8061d6d50be41c7034c54c (diff) | |
perf evsel: Introduce perf_evsel__{in,ex}it
Out of the {con,des}structor, as in interpreted language bindings we will
need to go back from the wrapper object to the real thing. In that case
using container_of will save us to have an extra pointer in the perf_evsel
struct.
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/evlist.c')
| -rw-r--r-- | tools/perf/util/evlist.c | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 4b3b84cd71a..df0610e9c61 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -6,17 +6,21 @@ #include <linux/bitops.h> #include <linux/hash.h> +void perf_evlist__init(struct perf_evlist *evlist) +{ + int i; + + for (i = 0; i < PERF_EVLIST__HLIST_SIZE; ++i) + INIT_HLIST_HEAD(&evlist->heads[i]); + INIT_LIST_HEAD(&evlist->entries); +} + struct perf_evlist *perf_evlist__new(void) { struct perf_evlist *evlist = zalloc(sizeof(*evlist)); - if (evlist != NULL) { - int i; - - for (i = 0; i < PERF_EVLIST__HLIST_SIZE; ++i) - INIT_HLIST_HEAD(&evlist->heads[i]); - INIT_LIST_HEAD(&evlist->entries); - } + if (evlist != NULL) + perf_evlist__init(evlist); return evlist; } @@ -33,11 +37,18 @@ static void perf_evlist__purge(struct perf_evlist *evlist) evlist->nr_entries = 0; } -void perf_evlist__delete(struct perf_evlist *evlist) +void perf_evlist__exit(struct perf_evlist *evlist) { - perf_evlist__purge(evlist); free(evlist->mmap); free(evlist->pollfd); + evlist->mmap = NULL; + evlist->pollfd = NULL; +} + +void perf_evlist__delete(struct perf_evlist *evlist) +{ + perf_evlist__purge(evlist); + perf_evlist__exit(evlist); free(evlist); } |