There are cases where the version of the file, associated with given
output handler must be retrieved. Added a new API to get that version:
tracecmd_get_out_file_version()
Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@xxxxxxxxx>
---
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 16dbed56..2fb15026 100644
--- a/lib/trace-cmd/include/private/trace-cmd-private.h
+++ b/lib/trace-cmd/include/private/trace-cmd-private.h
@@ -316,6 +316,7 @@ int tracecmd_append_buffer_cpu_data(struct tracecmd_output *handle,
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 8e402d35..2c10575e 100644
--- a/lib/trace-cmd/trace-output.c
+++ b/lib/trace-cmd/trace-output.c
@@ -1843,3 +1843,12 @@ __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
|