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From: "Tzvetomir Stoyanov (VMware)" <tz.stoyanov@gmail.com>
To: rostedt@goodmis.org
Cc: linux-trace-devel@vger.kernel.org
Subject: [PATCH v5 31/40] trace-cmd library: Add new API to get file version of output handler
Date: Thu, 10 Jun 2021 14:34:17 +0300	[thread overview]
Message-ID: <20210610113426.257931-32-tz.stoyanov@gmail.com> (raw)
In-Reply-To: <20210610113426.257931-1-tz.stoyanov@gmail.com>

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) <tz.stoyanov@gmail.com>
---
 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 1b4210b5..ff9c9a34 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


  parent reply	other threads:[~2021-06-10 11:35 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-10 11:33 [PATCH v5 00/40] Add trace file compression Tzvetomir Stoyanov (VMware)
2021-06-10 11:33 ` [PATCH v5 01/40] trace-cmd library: Remove unused private APIs for creating trace files Tzvetomir Stoyanov (VMware)
2021-06-10 11:33 ` [PATCH v5 02/40] trace-cmd library: Remove unused API tracecmd_update_option Tzvetomir Stoyanov (VMware)
2021-06-10 11:33 ` [PATCH v5 03/40] trace-cmd: Check if file version is supported Tzvetomir Stoyanov (VMware)
2021-06-10 11:33 ` [PATCH v5 04/40] trace-cmd library: Add new API to get file version of input handler Tzvetomir Stoyanov (VMware)
2021-06-10 11:33 ` [PATCH v5 05/40] trace-cmd library: Select the file version when writing trace file Tzvetomir Stoyanov (VMware)
2021-06-10 11:33 ` [PATCH v5 06/40] trace-cmd: Add APIs for library initialization and free Tzvetomir Stoyanov (VMware)
2021-06-22  1:27   ` Steven Rostedt
2021-06-22  6:41     ` Tzvetomir Stoyanov
2021-06-22 13:21       ` Steven Rostedt
2021-06-10 11:33 ` [PATCH v5 07/40] trace-cmd library: Add support for compression algorithms Tzvetomir Stoyanov (VMware)
2021-06-10 11:33 ` [PATCH v5 08/40] trace-cmd list: Show supported " Tzvetomir Stoyanov (VMware)
2021-06-10 11:33 ` [PATCH v5 09/40] trace-cmd library: Bump the trace file version to 7 Tzvetomir Stoyanov (VMware)
2021-06-10 11:33 ` [PATCH v5 10/40] trace-cmd library: Compress part of the trace file Tzvetomir Stoyanov (VMware)
2021-06-10 11:33 ` [PATCH v5 11/40] trace-cmd library: Read compressed " Tzvetomir Stoyanov (VMware)
2021-06-10 11:33 ` [PATCH v5 12/40] trace-cmd library: Add new API to get compression of input handler Tzvetomir Stoyanov (VMware)
2021-06-10 11:33 ` [PATCH v5 13/40] trace-cmd library: Inherit compression algorithm from input file Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 14/40] trace-cmd library: Extend the create file APIs to support different compression Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 15/40] trace-cmd record: Add new parameter --compression Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 16/40] trace-cmd dump: Add support for trace files version 7 Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 17/40] trace-cmd library: Add support for zlib compression library Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 18/40] trace-cmd library: Hide the logic for updating buffer offset Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 19/40] trace-cmd: Move buffers description outside of options Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 20/40] trace-cmd library: Track the offset in the option section in the trace file Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 21/40] trace-cmd library: Add compression of the option section of " Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 22/40] trace-cmd library: Refactor the logic for writing trace data in the file Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 23/40] trace-cmd library: Add APIs for read and write compressed data in chunks Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 24/40] trace-cmd: Compress trace data Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 25/40] trace-cmd: Read compressed " Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 26/40] trace-cmd library: Compress latency " Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 27/40] trace-cmd: Read compressed " Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 28/40] trace-cmd library: Reuse within the library the function that checks file state Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 29/40] trace-cmd library: Make tracecmd_copy_headers() to work with output handler Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 30/40] trace-cmd: Do not use trace file compression with streams Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` Tzvetomir Stoyanov (VMware) [this message]
2021-06-10 11:34 ` [PATCH v5 32/40] trace-cmd: Add file state parameter to tracecmd_copy Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 33/40] trace-cmd: Copy CPU count in tracecmd_copy Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 34/40] trace-cmd: Copy buffers description " Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 35/40] trace-cmd: Copy options " Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 36/40] trace-cmd library: Refactor the logic for writing CPU trace data Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 37/40] trace-cmd library: Refactor the logic for writing CPU instance " Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 38/40] trace-cmd: Copy trace data in tracecmd_copy Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 39/40] trace-cmd: Add compression parameter to tracecmd_copy Tzvetomir Stoyanov (VMware)
2021-06-10 11:34 ` [PATCH v5 40/40] trace-cmd: Add new command "trace-cmd convert" Tzvetomir Stoyanov (VMware)

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