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perf evlist: Introduce evsel list accessors

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

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

Acked-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Namhyung 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: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2012-08-14 16:42:15 -03:00
parent 63dab225f3
commit 0c21f736e0
11 changed files with 95 additions and 125 deletions
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6
tools/perf/builtin-top.c
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@@ -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);