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Mon, 14 Jun 2021 00:51:01 -0700 (PDT) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH v6 31/45] trace-cmd library: Add new API to get file version of output handler Date: Mon, 14 Jun 2021 10:50:15 +0300 Message-Id: <20210614075029.598048-32-tz.stoyanov@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210614075029.598048-1-tz.stoyanov@gmail.com> References: <20210614075029.598048-1-tz.stoyanov@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-trace-devel@vger.kernel.org Added an API to get the version of the trace file, associated with given output file handler. tracecmd_get_out_file_version() Signed-off-by: Tzvetomir Stoyanov (VMware) --- lib/trace-cmd/include/private/trace-cmd-private.h | 1 + lib/trace-cmd/trace-output.c | 9 +++++++++ 2 files changed, 10 insertions(+) diff --git a/lib/trace-cmd/include/private/trace-cmd-private.h b/lib/trace-cmd/include/private/trace-cmd-private.h index 65e80cec..9a08a960 100644 --- a/lib/trace-cmd/include/private/trace-cmd-private.h +++ b/lib/trace-cmd/include/private/trace-cmd-private.h @@ -319,6 +319,7 @@ int tracecmd_append_cpu_data(struct tracecmd_output *handle, int tracecmd_append_buffer_cpu_data(struct tracecmd_output *handle, const char *name, int cpus, char * const *cpu_data_files); struct tracecmd_output *tracecmd_get_output_handle_fd(int fd); +unsigned long tracecmd_get_out_file_version(struct tracecmd_output *handle); /* --- Reading the Fly Recorder Trace --- */ diff --git a/lib/trace-cmd/trace-output.c b/lib/trace-cmd/trace-output.c index 06d0738e..9b83eb76 100644 --- a/lib/trace-cmd/trace-output.c +++ b/lib/trace-cmd/trace-output.c @@ -1966,3 +1966,12 @@ __hidden bool check_out_state(struct tracecmd_output *handle, int new_state) { return check_file_state(handle->file_version, handle->file_state, new_state); } + +/** + * tracecmd_get_out_file_version - return the trace.dat file version + * @handle: output handle for the trace.dat file + */ +unsigned long tracecmd_get_out_file_version(struct tracecmd_output *handle) +{ + return handle->file_version; +} -- 2.31.1