From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: [PATCH 10/30] perf data: Add perf_data__update_dir() function Date: Mon, 11 Mar 2019 23:01:44 -0300 Message-ID: <20190312020204.22092-11-acme@kernel.org> References: <20190312020204.22092-1-acme@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190312020204.22092-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Ingo Molnar Cc: Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Adrian Hunter , Alexander Shishkin , Alexey Budankov , Andi Kleen , Peter Zijlstra , Stephane Eranian , Arnaldo Carvalho de Melo List-Id: linux-perf-users.vger.kernel.org From: Jiri Olsa Add perf_data__update_dir() to update the size for every file within the perf.data directory. Signed-off-by: Jiri Olsa Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Alexey Budankov Cc: Andi Kleen Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/r/20190308134745.5057-4-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/data.c | 20 ++++++++++++++++++++ tools/perf/util/data.h | 1 + 2 files changed, 21 insertions(+) diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c index 18fa8d4614eb..5d0f26aef77f 100644 --- a/tools/perf/util/data.c +++ b/tools/perf/util/data.c @@ -124,6 +124,26 @@ int perf_data__open_dir(struct perf_data *data) return ret; } +int perf_data__update_dir(struct perf_data *data) +{ + int i; + + if (WARN_ON(!data->is_dir)) + return -EINVAL; + + for (i = 0; i < data->dir.nr; i++) { + struct perf_data_file *file = &data->dir.files[i]; + struct stat st; + + if (fstat(file->fd, &st)) + return -1; + + file->size = st.st_size; + } + + return 0; +} + static bool check_pipe(struct perf_data *data) { struct stat st; diff --git a/tools/perf/util/data.h b/tools/perf/util/data.h index 06aefeda311f..0deeb1af9f54 100644 --- a/tools/perf/util/data.h +++ b/tools/perf/util/data.h @@ -79,4 +79,5 @@ int perf_data__switch(struct perf_data *data, int perf_data__create_dir(struct perf_data *data, int nr); int perf_data__open_dir(struct perf_data *data); void perf_data__close_dir(struct perf_data *data); +int perf_data__update_dir(struct perf_data *data); #endif /* __PERF_DATA_H */ -- 2.20.1