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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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4
tools/perf/util/header.c
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@@ -1689,7 +1689,7 @@ int perf_session__write_header(struct perf_session *session,
lseek(fd, sizeof(f_header), SEEK_SET);
if (session->evlist != evlist)
pair = list_entry(session->evlist->entries.next, struct perf_evsel, node);
pair = perf_evlist__first(session->evlist);
list_for_each_entry(attr, &evlist->entries, node) {
attr->id_offset = lseek(fd, 0, SEEK_CUR);
@@ -1704,7 +1704,7 @@ out_err_write:
if (err < 0)
goto out_err_write;
attr->ids += pair->ids;
pair = list_entry(pair->node.next, struct perf_evsel, node);
pair = perf_evsel__next(pair);
}
}