From 144b9a4fc53039c09007b71a06640560a6e62140 Mon Sep 17 00:00:00 2001 From: Wang Nan Date: Sun, 3 Dec 2017 02:00:39 +0000 Subject: [PATCH] perf evlist: Remove evlist->overwrite evlist->overwrite is set to false in all users. It can be removed. Signed-off-by: Wang Nan Acked-by: Namhyung Kim Cc: Jiri Olsa Cc: Kan Liang Link: http://lkml.kernel.org/r/20171203020044.81680-4-wangnan0@huawei.com Signed-off-by: Arnaldo Carvalho de Melo --- 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 08070f87d489..3bc6ceeae1f9 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 93272d932407..a59134fb141f 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 424a3d6015af..eec33770b8e6 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;