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perf evlist: Introduce perf_evlist__new_dummy constructor

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For case where all we need is an evlist with just an "dummy" evsel,
like in some 'perf test' entries.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-q52le0pblm2k3ncvyilelr9z@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2016-01-07 13:14:56 -03:00
parent 4f4ba0e6af
commit 5bae025023
2 changed files with 31 additions and 0 deletions
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3
tools/perf/util/evlist.h
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@@ -67,6 +67,7 @@ struct perf_evsel_str_handler {
struct perf_evlist *perf_evlist__new(void);
struct perf_evlist *perf_evlist__new_default(void);
struct perf_evlist *perf_evlist__new_dummy(void);
void perf_evlist__init(struct perf_evlist *evlist, struct cpu_map *cpus,
struct thread_map *threads);
void perf_evlist__exit(struct perf_evlist *evlist);
@@ -81,6 +82,8 @@ int __perf_evlist__add_default_attrs(struct perf_evlist *evlist,
#define perf_evlist__add_default_attrs(evlist, array) \
__perf_evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array))
int perf_evlist__add_dummy(struct perf_evlist *evlist);
int perf_evlist__add_newtp(struct perf_evlist *evlist,
const char *sys, const char *name, void *handler);