Commit 0c21f736 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

perf evlist: Introduce evsel list accessors 



To replace the longer list_entry constructs for things that are widely
used:

	perf_evlist__{first,last}(evlist)
	perf_evsel__next(evsel)

Acked-by: default avatarJiri Olsa <jolsa@redhat.com>
Acked-by: default avatarNamhyung Kim <namhyung@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
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-ng7azq26wg1jd801qqpcozwp@git.kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 63dab225

tools/perf/builtin-record.c

+2 −2
Original line number Diff line number Diff line
@@ -172,12 +172,12 @@ static bool perf_evlist__equal(struct perf_evlist *evlist, 
	if (evlist->nr_entries != other->nr_entries)

		return false;



	pair = list_entry(other->entries.next, struct perf_evsel, node);

	pair = perf_evlist__first(other);



	list_for_each_entry(pos, &evlist->entries, node) {

		if (memcmp(&pos->attr, &pair->attr, sizeof(pos->attr) != 0))

			return false;

		pair = list_entry(pair->node.next, struct perf_evsel, node);

		pair = perf_evsel__next(pair);

	}



	return true;

tools/perf/builtin-stat.c

+1 −1
Original line number Diff line number Diff line
@@ -480,7 +480,7 @@ static int run_perf_stat(int argc __used, const char **argv) 
	if (group)

		perf_evlist__set_leader(evsel_list);



	first = list_entry(evsel_list->entries.next, struct perf_evsel, node);

	first = perf_evlist__first(evsel_list);



	list_for_each_entry(counter, &evsel_list->entries, node) {

		if (create_perf_stat_counter(counter, first) < 0) {

tools/perf/builtin-test.c

+1 −1
Original line number Diff line number Diff line
@@ -710,7 +710,7 @@ static int test__PERF_RECORD(void) 
	/*

	 * Config the evsels, setting attr->comm on the first one, etc.

	 */

	evsel = list_entry(evlist->entries.next, struct perf_evsel, node);

	evsel = perf_evlist__first(evlist);

	evsel->attr.sample_type |= PERF_SAMPLE_CPU;

	evsel->attr.sample_type |= PERF_SAMPLE_TID;

	evsel->attr.sample_type |= PERF_SAMPLE_TIME;

tools/perf/builtin-top.c

+3 −3
Original line number Diff line number Diff line
@@ -509,7 +509,7 @@ static void perf_top__handle_keypress(struct perf_top *top, int c) 
				prompt_integer(&counter, "Enter details event counter");



				if (counter >= top->evlist->nr_entries) {

					top->sym_evsel = list_entry(top->evlist->entries.next, struct perf_evsel, node);

					top->sym_evsel = perf_evlist__first(top->evlist);

					fprintf(stderr, "Sorry, no such event, using %s.\n", perf_evsel__name(top->sym_evsel));

					sleep(1);

					break;
@@ -518,7 +518,7 @@ static void perf_top__handle_keypress(struct perf_top *top, int c) 
					if (top->sym_evsel->idx == counter)

						break;

			} else

				top->sym_evsel = list_entry(top->evlist->entries.next, struct perf_evsel, node);

				top->sym_evsel = perf_evlist__first(top->evlist);

			break;

		case 'f':

			prompt_integer(&top->count_filter, "Enter display event count filter");
@@ -1326,7 +1326,7 @@ int cmd_top(int argc, const char **argv, const char *prefix __used) 
			pos->attr.sample_period = top.default_interval;

	}



	top.sym_evsel = list_entry(top.evlist->entries.next, struct perf_evsel, node);

	top.sym_evsel = perf_evlist__first(top.evlist);



	symbol_conf.priv_size = sizeof(struct annotation);

tools/perf/util/evlist.c

+15 −25
Original line number Diff line number Diff line
@@ -57,7 +57,7 @@ void perf_evlist__config_attrs(struct perf_evlist *evlist, 
	if (evlist->cpus->map[0] < 0)

		opts->no_inherit = true;



	first = list_entry(evlist->entries.next, struct perf_evsel, node);

	first = perf_evlist__first(evlist);



	list_for_each_entry(evsel, &evlist->entries, node) {

		perf_evsel__config(evsel, opts, first);
@@ -376,7 +376,7 @@ struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id) 
	int hash;



	if (evlist->nr_entries == 1)

		return list_entry(evlist->entries.next, struct perf_evsel, node);

		return perf_evlist__first(evlist);



	hash = hash_64(id, PERF_EVLIST__HLIST_BITS);

	head = &evlist->heads[hash];
@@ -386,7 +386,7 @@ struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id) 
			return sid->evsel;



	if (!perf_evlist__sample_id_all(evlist))

		return list_entry(evlist->entries.next, struct perf_evsel, node);

		return perf_evlist__first(evlist);



	return NULL;

}
@@ -694,11 +694,9 @@ int perf_evlist__set_filters(struct perf_evlist *evlist) 
	return 0;

}



bool perf_evlist__valid_sample_type(const struct perf_evlist *evlist)

bool perf_evlist__valid_sample_type(struct perf_evlist *evlist)

{

	struct perf_evsel *pos, *first;



	pos = first = list_entry(evlist->entries.next, struct perf_evsel, node);

	struct perf_evsel *first = perf_evlist__first(evlist), *pos = first;



	list_for_each_entry_continue(pos, &evlist->entries, node) {

		if (first->attr.sample_type != pos->attr.sample_type)
@@ -708,23 +706,19 @@ bool perf_evlist__valid_sample_type(const struct perf_evlist *evlist) 
	return true;

}



u64 perf_evlist__sample_type(const struct perf_evlist *evlist)

u64 perf_evlist__sample_type(struct perf_evlist *evlist)

{

	struct perf_evsel *first;



	first = list_entry(evlist->entries.next, struct perf_evsel, node);

	struct perf_evsel *first = perf_evlist__first(evlist);

	return first->attr.sample_type;

}



u16 perf_evlist__id_hdr_size(const struct perf_evlist *evlist)

u16 perf_evlist__id_hdr_size(struct perf_evlist *evlist)

{

	struct perf_evsel *first;

	struct perf_evsel *first = perf_evlist__first(evlist);

	struct perf_sample *data;

	u64 sample_type;

	u16 size = 0;



	first = list_entry(evlist->entries.next, struct perf_evsel, node);



	if (!first->attr.sample_id_all)

		goto out;
@@ -748,11 +742,9 @@ out: 
	return size;

}



bool perf_evlist__valid_sample_id_all(const struct perf_evlist *evlist)

bool perf_evlist__valid_sample_id_all(struct perf_evlist *evlist)

{

	struct perf_evsel *pos, *first;



	pos = first = list_entry(evlist->entries.next, struct perf_evsel, node);

	struct perf_evsel *first = perf_evlist__first(evlist), *pos = first;



	list_for_each_entry_continue(pos, &evlist->entries, node) {

		if (first->attr.sample_id_all != pos->attr.sample_id_all)
@@ -762,11 +754,9 @@ bool perf_evlist__valid_sample_id_all(const struct perf_evlist *evlist) 
	return true;

}



bool perf_evlist__sample_id_all(const struct perf_evlist *evlist)

bool perf_evlist__sample_id_all(struct perf_evlist *evlist)

{

	struct perf_evsel *first;



	first = list_entry(evlist->entries.next, struct perf_evsel, node);

	struct perf_evsel *first = perf_evlist__first(evlist);

	return first->attr.sample_id_all;

}
@@ -896,6 +886,6 @@ int perf_evlist__start_workload(struct perf_evlist *evlist) 
int perf_evlist__parse_sample(struct perf_evlist *evlist, union perf_event *event,

			      struct perf_sample *sample, bool swapped)

{

	struct perf_evsel *e = list_entry(evlist->entries.next, struct perf_evsel, node);

	return perf_evsel__parse_sample(e, event, sample, swapped);

	struct perf_evsel *evsel = perf_evlist__first(evlist);

	return perf_evsel__parse_sample(evsel, event, sample, swapped);

}

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