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perf evlist: Adopt the pollfd array

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Allocating just the space needed for nr_cpus * nr_threads * nr_evsels,
not the MAX_NR_CPUS and counters.

LKML-Reference: <new-submission>
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>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2011-01-11 22:30:02 -02:00
parent 361c99a661
commit 5c581041cf
4 changed files with 33 additions and 28 deletions
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6
tools/perf/util/evlist.h
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@@ -3,9 +3,13 @@
#include <linux/list.h>
struct pollfd;
struct perf_evlist {
struct list_head entries;
int nr_entries;
int nr_fds;
struct pollfd *pollfd;
};
struct perf_evsel;
@@ -16,4 +20,6 @@ void perf_evlist__delete(struct perf_evlist *evlist);
void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry);
int perf_evlist__add_default(struct perf_evlist *evlist);
int perf_evlist__alloc_pollfd(struct perf_evlist *evlist, int ncpus, int nthreads);
#endif /* __PERF_EVLIST_H */