From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: [PATCH 49/69] perf tools: Use perf_mmap way to detect aux mmap Date: Fri, 11 Oct 2019 17:05:39 -0300 Message-ID: <20191011200559.7156-50-acme@kernel.org> References: <20191011200559.7156-1-acme@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20191011200559.7156-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Ingo Molnar , Thomas Gleixner Cc: Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Alexander Shishkin , Michael Petlan , Peter Zijlstra , Arnaldo Carvalho de Melo List-Id: linux-perf-users.vger.kernel.org From: Jiri Olsa We will move this code to libperf shortly, so we need to free it of 'struct auxtrace_mmap' usage, because it won't be available in libperf (for now). The perf_event_mmap_page::aux_size is set when the aux mmap is mapped, so the check is equivalent. Signed-off-by: Jiri Olsa Cc: Alexander Shishkin Cc: Michael Petlan Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lore.kernel.org/lkml/20191007125344.14268-9-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/mmap.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/mmap.c b/tools/perf/util/mmap.c index 9f150d50cea5..f246dd403507 100644 --- a/tools/perf/util/mmap.c +++ b/tools/perf/util/mmap.c @@ -107,7 +107,9 @@ union perf_event *perf_mmap__read_event(struct mmap *map) static bool perf_mmap__empty(struct mmap *map) { - return perf_mmap__read_head(map) == map->core.prev && !map->auxtrace_mmap.base; + struct perf_event_mmap_page *pc = map->core.base; + + return perf_mmap__read_head(map) == map->core.prev && !pc->aux_size; } void perf_mmap__consume(struct mmap *map) -- 2.21.0