linux-kernel - [PATCH 18/73] libperf: Add flush to struct perf

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Message-Id: <20190913132355.21634-19-jolsa@kernel.org>
Date:   Fri, 13 Sep 2019 15:23:00 +0200
From:   Jiri Olsa <jolsa@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Michael Petlan <mpetlan@...hat.com>
Subject: [PATCH 18/73] libperf: Add flush to struct perf_mmap

Move flush from tools/perf's mmap to libperf's perf_mmap struct.

Link: http://lkml.kernel.org/n/tip-yvdiy0gkiubey7hut8q3klfu@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/perf/builtin-record.c            | 10 +++++-----
 tools/perf/lib/include/internal/mmap.h |  1 +
 tools/perf/util/mmap.c                 |  4 ++--
 tools/perf/util/mmap.h                 |  1 -
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 6c0349dcb20c..400ce2f3fa99 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -959,13 +959,13 @@ static int record__mmap_read_evlist(struct record *rec, struct evlist *evlist,
 		if (map->core.base) {
 			record__adjust_affinity(rec, map);
 			if (synch) {
-				flush = map->flush;
-				map->flush = 1;
+				flush = map->core.flush;
+				map->core.flush = 1;
 			}
 			if (!record__aio_enabled(rec)) {
 				if (perf_mmap__push(map, rec, record__pushfn) < 0) {
 					if (synch)
-						map->flush = flush;
+						map->core.flush = flush;
 					rc = -1;
 					goto out;
 				}
@@ -973,13 +973,13 @@ static int record__mmap_read_evlist(struct record *rec, struct evlist *evlist,
 				if (record__aio_push(rec, map, &off) < 0) {
 					record__aio_set_pos(trace_fd, off);
 					if (synch)
-						map->flush = flush;
+						map->core.flush = flush;
 					rc = -1;
 					goto out;
 				}
 			}
 			if (synch)
-				map->flush = flush;
+				map->core.flush = flush;
 		}
 
 		if (map->auxtrace_mmap.base && !rec->opts.auxtrace_snapshot_mode &&
diff --git a/tools/perf/lib/include/internal/mmap.h b/tools/perf/lib/include/internal/mmap.h
index 3a404ec06214..a147b25c4b88 100644
--- a/tools/perf/lib/include/internal/mmap.h
+++ b/tools/perf/lib/include/internal/mmap.h
@@ -25,6 +25,7 @@ struct perf_mmap {
 	u64		 start;
 	u64		 end;
 	bool		 overwrite;
+	u64		 flush;
 	char		 event_copy[PERF_SAMPLE_MAX_SIZE] __aligned(8);
 };
 
diff --git a/tools/perf/util/mmap.c b/tools/perf/util/mmap.c
index 4b8ec8dd79c5..4cc3b54b2f73 100644
--- a/tools/perf/util/mmap.c
+++ b/tools/perf/util/mmap.c
@@ -383,7 +383,7 @@ int perf_mmap__mmap(struct mmap *map, struct mmap_params *mp, int fd, int cpu)
 
 	perf_mmap__setup_affinity_mask(map, mp);
 
-	map->flush = mp->flush;
+	map->core.flush = mp->flush;
 
 	map->comp_level = mp->comp_level;
 
@@ -450,7 +450,7 @@ static int __perf_mmap__read_init(struct mmap *md)
 	md->core.start = md->core.overwrite ? head : old;
 	md->core.end = md->core.overwrite ? old : head;
 
-	if ((md->core.end - md->core.start) < md->flush)
+	if ((md->core.end - md->core.start) < md->core.flush)
 		return -EAGAIN;
 
 	size = md->core.end - md->core.start;
diff --git a/tools/perf/util/mmap.h b/tools/perf/util/mmap.h
index bdbbf48ee906..e335c341d073 100644
--- a/tools/perf/util/mmap.h
+++ b/tools/perf/util/mmap.h
@@ -32,7 +32,6 @@ struct mmap {
 	} aio;
 #endif
 	cpu_set_t	affinity_mask;
-	u64		flush;
 	void		*data;
 	int		comp_level;
 };
-- 
2.21.0