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author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-11-04 09:10:59 -0200 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-11-28 10:24:43 -0200 |
commit | 50d08e47bc04eb05502f5c86b70bbd19ef1c2778 (patch) | |
tree | 655bddc48548db3d878ab416fddc13b3e6d34a6c /tools/perf/util/evlist.c | |
parent | ebf294bf4f147aff29df5a16bfb0f8ebca15feaa (diff) | |
download | op-kernel-dev-50d08e47bc04eb05502f5c86b70bbd19ef1c2778.zip op-kernel-dev-50d08e47bc04eb05502f5c86b70bbd19ef1c2778.tar.gz |
perf evlist: Introduce perf_evlist__add_attrs
Replacing the open coded equivalents in 'perf stat'.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-1btwadnf2tds2g07hsccsdse@git.kernel.org
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 | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index fbb4b4a..58aa1e0 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -13,6 +13,8 @@ #include "evsel.h" #include "util.h" +#include "parse-events.h" + #include <sys/mman.h> #include <linux/bitops.h> @@ -76,6 +78,14 @@ void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry) ++evlist->nr_entries; } +static void perf_evlist__splice_list_tail(struct perf_evlist *evlist, + struct list_head *list, + int nr_entries) +{ + list_splice_tail(list, &evlist->entries); + evlist->nr_entries += nr_entries; +} + int perf_evlist__add_default(struct perf_evlist *evlist) { struct perf_event_attr attr = { @@ -100,6 +110,30 @@ error: return -ENOMEM; } +int perf_evlist__add_attrs(struct perf_evlist *evlist, + struct perf_event_attr *attrs, size_t nr_attrs) +{ + struct perf_evsel *evsel, *n; + LIST_HEAD(head); + size_t i; + + for (i = 0; i < nr_attrs; i++) { + evsel = perf_evsel__new(attrs + i, evlist->nr_entries + i); + if (evsel == NULL) + goto out_delete_partial_list; + list_add_tail(&evsel->node, &head); + } + + perf_evlist__splice_list_tail(evlist, &head, nr_attrs); + + return 0; + +out_delete_partial_list: + list_for_each_entry_safe(evsel, n, &head, node) + perf_evsel__delete(evsel); + return -1; +} + void perf_evlist__disable(struct perf_evlist *evlist) { int cpu, thread; |