linux-kernel - [PATCH 45/57] libperf: Move mask setup to perf_evlist__mmap

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Message-Id: <20191021133834.25998-46-acme@kernel.org>
Date:   Mon, 21 Oct 2019 10:38:22 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ingo Molnar <mingo@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>
Cc:     Jiri Olsa <jolsa@...nel.org>, Namhyung Kim <namhyung@...nel.org>,
        Clark Williams <williams@...hat.com>,
        linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Alexey Budankov <alexey.budankov@...ux.intel.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Jin Yao <yao.jin@...ux.intel.com>,
        Michael Petlan <mpetlan@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Stephane Eranian <eranian@...gle.com>,
        Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 45/57] libperf: Move mask setup to perf_evlist__mmap_ops()

From: Jiri Olsa <jolsa@...nel.org>

Move the mask setup to perf_evlist__mmap_ops(), because it's the same on
both perf and libperf path.

Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Alexey Budankov <alexey.budankov@...ux.intel.com>
Cc: Andi Kleen <ak@...ux.intel.com>
Cc: Jin Yao <yao.jin@...ux.intel.com>
Cc: Michael Petlan <mpetlan@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lore.kernel.org/lkml/20191017105918.20873-4-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/lib/evlist.c  | 3 ++-
 tools/perf/util/evlist.c | 1 -
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/lib/evlist.c b/tools/perf/lib/evlist.c
index 73aac6bb2ac5..205ddbb80bc1 100644
--- a/tools/perf/lib/evlist.c
+++ b/tools/perf/lib/evlist.c
@@ -578,6 +578,8 @@ int perf_evlist__mmap_ops(struct perf_evlist *evlist,
 	if (!ops || !ops->get || !ops->mmap)
 		return -EINVAL;
 
+	mp->mask = evlist->mmap_len - page_size - 1;
+
 	evlist->nr_mmaps = perf_evlist__nr_mmaps(evlist);
 
 	perf_evlist__for_each_entry(evlist, evsel) {
@@ -605,7 +607,6 @@ int perf_evlist__mmap(struct perf_evlist *evlist, int pages)
 	};
 
 	evlist->mmap_len = (pages + 1) * page_size;
-	mp.mask = evlist->mmap_len - page_size - 1;
 
 	return perf_evlist__mmap_ops(evlist, &ops, &mp);
 }
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 5cded4ec5806..fdce590d2278 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -813,7 +813,6 @@ int evlist__mmap_ex(struct evlist *evlist, unsigned int pages,
 
 	evlist->core.mmap_len = evlist__mmap_size(pages);
 	pr_debug("mmap size %zuB\n", evlist->core.mmap_len);
-	mp.core.mask = evlist->core.mmap_len - page_size - 1;
 
 	auxtrace_mmap_params__init(&mp.auxtrace_mp, evlist->core.mmap_len,
 				   auxtrace_pages, auxtrace_overwrite);
-- 
2.21.0