So that functions that deal primarily with an evsel to access
information that concerns the whole evlist it is in.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1440677263-21954-5-git-send-email-kan.liang@intel.com
Signed-off-by: Kan Liang <kan.liang@intel.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
evlist__for_each_safe(evlist, n, pos) {
list_del_init(&pos->node);
evlist__for_each_safe(evlist, n, pos) {
list_del_init(&pos->node);
perf_evsel__delete(pos);
}
perf_evsel__delete(pos);
}
void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry)
{
void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry)
{
+ entry->evlist = evlist;
list_add_tail(&entry->node, &evlist->entries);
entry->idx = evlist->nr_entries;
entry->tracking = !entry->idx;
list_add_tail(&entry->node, &evlist->entries);
entry->idx = evlist->nr_entries;
entry->tracking = !entry->idx;
evsel->leader = evsel;
evsel->unit = "";
evsel->scale = 1.0;
evsel->leader = evsel;
evsel->unit = "";
evsel->scale = 1.0;
INIT_LIST_HEAD(&evsel->node);
INIT_LIST_HEAD(&evsel->config_terms);
perf_evsel__object.init(evsel);
INIT_LIST_HEAD(&evsel->node);
INIT_LIST_HEAD(&evsel->config_terms);
perf_evsel__object.init(evsel);
void perf_evsel__exit(struct perf_evsel *evsel)
{
assert(list_empty(&evsel->node));
void perf_evsel__exit(struct perf_evsel *evsel)
{
assert(list_empty(&evsel->node));
+ assert(evsel->evlist == NULL);
perf_evsel__free_fd(evsel);
perf_evsel__free_id(evsel);
perf_evsel__free_config_terms(evsel);
perf_evsel__free_fd(evsel);
perf_evsel__free_id(evsel);
perf_evsel__free_config_terms(evsel);
/** struct perf_evsel - event selector
*
/** struct perf_evsel - event selector
*
+ * @evlist - evlist this evsel is in, if it is in one.
+ * @node - To insert it into evlist->entries or in other list_heads, say in
+ * the event parsing routines.
* @name - Can be set to retain the original event name passed by the user,
* so that when showing results in tools such as 'perf stat', we
* show the name used, not some alias.
* @name - Can be set to retain the original event name passed by the user,
* so that when showing results in tools such as 'perf stat', we
* show the name used, not some alias.
*/
struct perf_evsel {
struct list_head node;
*/
struct perf_evsel {
struct list_head node;
+ struct perf_evlist *evlist;
struct perf_event_attr attr;
char *filter;
struct xyarray *fd;
struct perf_event_attr attr;
char *filter;
struct xyarray *fd;