From d4c6fb36ac2c82f8f0c05b04cf102dcdc2d5a14d Mon Sep 17 00:00:00 2001 From: Wang Nan Date: Fri, 20 May 2016 16:38:24 +0000 Subject: perf evsel: Record fd into perf_mmap Add a fd field into struct perf_mmap so that perf can track the mmap fd. This feature will be used for toggling overwrite ring buffers. Signed-off-by: Wang Nan Cc: He Kuang Cc: Jiri Olsa Cc: Masami Hiramatsu Cc: Namhyung Kim Cc: Zefan Li Cc: pi3orama@163.com Link: http://lkml.kernel.org/r/1463762315-155689-3-git-send-email-wangnan0@huawei.com Signed-off-by: He Kuang Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/evlist.h | 1 + 1 file changed, 1 insertion(+) (limited to 'tools/perf/util/evlist.h') diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index 85d1b59802e8..0d165b1d8f77 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -28,6 +28,7 @@ struct record_opts; struct perf_mmap { void *base; int mask; + int fd; atomic_t refcnt; u64 prev; struct auxtrace_mmap auxtrace_mmap; -- cgit v1.2.3