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From: Wang Nan <wangnan0@huawei.com>
To: <linux-kernel@vger.kernel.org>, <kan.liang@intel.com>,
	<acme@kernel.org>, <jolsa@redhat.com>, <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Subject: [PATCH v2 3/8] perf tools: Remove evlist->overwrite
Date: Sun, 3 Dec 2017 02:00:39 +0000	[thread overview]
Message-ID: <20171203020044.81680-4-wangnan0@huawei.com> (raw)
In-Reply-To: <20171203020044.81680-1-wangnan0@huawei.com>

evlist->overwrite is set to false in all users. It can be removed.

Signed-off-by: Wang Nan <wangnan0@huawei.com>
---
 tools/perf/builtin-record.c | 2 +-
 tools/perf/util/evlist.c    | 5 ++---
 tools/perf/util/evlist.h    | 1 -
 3 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 08070f8..3bc6cee 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -500,7 +500,7 @@ static int record__mmap_read_evlist(struct record *rec, struct perf_evlist *evli
 		struct auxtrace_mmap *mm = &maps[i].auxtrace_mmap;
 
 		if (maps[i].base) {
-			if (perf_mmap__push(&maps[i], evlist->overwrite, backward, rec, record__pushfn) != 0) {
+			if (perf_mmap__push(&maps[i], false, backward, rec, record__pushfn) != 0) {
 				rc = -1;
 				goto out;
 			}
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 93272d9..a59134f 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -711,7 +711,7 @@ union perf_event *perf_evlist__mmap_read_forward(struct perf_evlist *evlist, int
 	 * No need for read-write ring buffer: kernel stop outputting when
 	 * it hit md->prev (perf_mmap__consume()).
 	 */
-	return perf_mmap__read_forward(md, evlist->overwrite);
+	return perf_mmap__read_forward(md, false);
 }
 
 union perf_event *perf_evlist__mmap_read_backward(struct perf_evlist *evlist, int idx)
@@ -738,7 +738,7 @@ void perf_evlist__mmap_read_catchup(struct perf_evlist *evlist, int idx)
 
 void perf_evlist__mmap_consume(struct perf_evlist *evlist, int idx)
 {
-	perf_mmap__consume(&evlist->mmap[idx], evlist->overwrite);
+	perf_mmap__consume(&evlist->mmap[idx], false);
 }
 
 static void perf_evlist__munmap_nofree(struct perf_evlist *evlist)
@@ -1070,7 +1070,6 @@ int perf_evlist__mmap_ex(struct perf_evlist *evlist, unsigned int pages,
 	if (evlist->pollfd.entries == NULL && perf_evlist__alloc_pollfd(evlist) < 0)
 		return -ENOMEM;
 
-	evlist->overwrite = false;
 	evlist->mmap_len = perf_evlist__mmap_size(pages);
 	pr_debug("mmap size %zuB\n", evlist->mmap_len);
 	mp.mask = evlist->mmap_len - page_size - 1;
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 424a3d6..eec3377 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -31,7 +31,6 @@ struct perf_evlist {
 	int		 nr_entries;
 	int		 nr_groups;
 	int		 nr_mmaps;
-	bool		 overwrite;
 	bool		 enabled;
 	bool		 has_user_cpus;
 	size_t		 mmap_len;
-- 
2.10.1

  parent reply	other threads:[~2017-12-03  2:02 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-03  2:00 [PATCH v2 0/8] perf tools: perf tools: Clarify overwrite and backward, bugfix Wang Nan
2017-12-03  2:00 ` [PATCH v2 1/8] perf tools: Remove 'overwrite' parameter from perf_evlist__mmap Wang Nan
2017-12-06 16:41   ` [tip:perf/core] perf evlist: " tip-bot for Wang Nan
2017-12-03  2:00 ` [PATCH v2 2/8] perf tools: Remove 'overwrite' parameter from perf_evlist__mmap_ex Wang Nan
2017-12-06 16:41   ` [tip:perf/core] perf evlist: " tip-bot for Wang Nan
2017-12-03  2:00 ` Wang Nan [this message]
2017-12-06 16:42   ` [tip:perf/core] perf evlist: Remove evlist->overwrite tip-bot for Wang Nan
2017-12-03  2:00 ` [PATCH v2 4/8] perf tools: Remove overwrite from arguments list of perf_mmap__push Wang Nan
2017-12-06 16:42   ` [tip:perf/core] perf mmap: " tip-bot for Wang Nan
2017-12-03  2:00 ` [PATCH v2 5/8] perf tools: Remove overwrite and check_messup from mmap read Wang Nan
2017-12-06 16:42   ` [tip:perf/core] perf mmap: " tip-bot for Wang Nan
2017-12-03  2:00 ` [PATCH v2 6/8] perf mmap: Fix perf backward recording Wang Nan
2017-12-04  5:37   ` Namhyung Kim
2017-12-04 15:44     ` Arnaldo Carvalho de Melo
2017-12-03  2:00 ` [PATCH v2 7/8] perf tools: Don't discard prev in backward mode Wang Nan
2017-12-03  2:00 ` [PATCH v2 8/8] perf tools: Replace 'backward' to 'overwrite' in evlist, mmap and record Wang Nan
2017-12-04  5:39 ` [PATCH v2 0/8] perf tools: perf tools: Clarify overwrite and backward, bugfix Namhyung Kim

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