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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 v2 04/21] trace-cmd library: Add new API to get file version of input handler
Date: Mon, 10 May 2021 09:16:19 +0300	[thread overview]
Message-ID: <20210510061636.1794357-5-tz.stoyanov@gmail.com> (raw)
In-Reply-To: <20210510061636.1794357-1-tz.stoyanov@gmail.com>

Added an API to get the version of the trace file, associated with given
input file handler.
  tracecmd_get_file_version()

Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com>
---
 lib/trace-cmd/include/private/trace-cmd-private.h | 2 ++
 lib/trace-cmd/trace-input.c                       | 9 +++++++++
 2 files changed, 11 insertions(+)

diff --git a/lib/trace-cmd/include/private/trace-cmd-private.h b/lib/trace-cmd/include/private/trace-cmd-private.h
index 136057b4..6a211333 100644
--- a/lib/trace-cmd/include/private/trace-cmd-private.h
+++ b/lib/trace-cmd/include/private/trace-cmd-private.h
@@ -232,6 +232,8 @@ int tracecmd_set_cursor(struct tracecmd_input *handle,
 unsigned long long
 tracecmd_get_cursor(struct tracecmd_input *handle, int cpu);
 
+unsigned long tracecmd_get_file_version(struct tracecmd_input *handle);
+
 int tracecmd_ftrace_overrides(struct tracecmd_input *handle, struct tracecmd_ftrace *finfo);
 bool tracecmd_get_use_trace_clock(struct tracecmd_input *handle);
 tracecmd_show_data_func
diff --git a/lib/trace-cmd/trace-input.c b/lib/trace-cmd/trace-input.c
index b095004d..9c9180d6 100644
--- a/lib/trace-cmd/trace-input.c
+++ b/lib/trace-cmd/trace-input.c
@@ -4046,6 +4046,15 @@ struct tep_handle *tracecmd_get_tep(struct tracecmd_input *handle)
 	return handle->pevent;
 }
 
+/**
+ * tracecmd_get_file_version - return the trace.dat file version
+ * @handle: input handle for the trace.dat file
+ */
+unsigned long tracecmd_get_file_version(struct tracecmd_input *handle)
+{
+	return handle->file_version;
+}
+
 /**
  * tracecmd_get_use_trace_clock - return use_trace_clock
  * @handle: input handle for the trace.dat file
-- 
2.31.1


  parent reply	other threads:[~2021-05-10  6:16 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-10  6:16 [PoC PATCH v2 00/21] Add trace file compression Tzvetomir Stoyanov (VMware)
2021-05-10  6:16 ` [PATCH v2 01/21] trace-cmd library: Remove unused private APIs for creating trace files Tzvetomir Stoyanov (VMware)
2021-05-10  6:16 ` [PATCH v2 02/21] trace-cmd library: Remove unused API tracecmd_update_option Tzvetomir Stoyanov (VMware)
2021-05-10  6:16 ` [PATCH v2 03/21] trace-cmd: Check if file version is supported Tzvetomir Stoyanov (VMware)
2021-05-10  6:16 ` Tzvetomir Stoyanov (VMware) [this message]
2021-05-10  6:16 ` [PATCH v2 05/21] trace-cmd library: Select the file version when writing trace file Tzvetomir Stoyanov (VMware)
2021-05-10  6:16 ` [PATCH v2 06/21] trace-cmd: Add APIs for library initialization and free Tzvetomir Stoyanov (VMware)
2021-05-10  6:16 ` [PATCH v2 07/21] trace-cmd library: Add support for compression algorithms Tzvetomir Stoyanov (VMware)
2021-05-10  6:16 ` [PATCH v2 08/21] trace-cmd list: Show supported " Tzvetomir Stoyanov (VMware)
2021-05-10  6:16 ` [PATCH v2 09/21] trace-cmd library: Bump the trace file version to 7 Tzvetomir Stoyanov (VMware)
2021-05-10  6:16 ` [PATCH v2 10/21] trace-cmd library: Compress part of the trace file Tzvetomir Stoyanov (VMware)
2021-05-10  6:16 ` [PATCH v2 11/21] trace-cmd library: Read compressed " Tzvetomir Stoyanov (VMware)
2021-05-10  6:16 ` [PATCH v2 12/21] trace-cmd library: Add new API to get compression of input handler Tzvetomir Stoyanov (VMware)
2021-05-10  6:16 ` [PATCH v2 13/21] trace-cmd library: Inherit compression algorithm from input file Tzvetomir Stoyanov (VMware)
2021-05-10  6:16 ` [PATCH v2 14/21] trace-cmd library: Extend the create file APIs to support different compression Tzvetomir Stoyanov (VMware)
2021-05-10  6:16 ` [PATCH v2 15/21] trace-cmd record: Add new parameter --compression Tzvetomir Stoyanov (VMware)
2021-05-10  6:16 ` [PATCH v2 16/21] trace-cmd dump: Add support for trace files version 7 Tzvetomir Stoyanov (VMware)
2021-05-10  6:16 ` [PATCH v2 17/21] trace-cmd library: Add support for zlib compression library Tzvetomir Stoyanov (VMware)
2021-05-10  6:16 ` [PATCH v2 18/21] trace-cmd library: Hide the logic for updating buffer offset Tzvetomir Stoyanov (VMware)
2021-05-10  6:16 ` [PATCH v2 19/21] trace-cmd: Move buffers description outside of options Tzvetomir Stoyanov (VMware)
2021-05-10  6:16 ` [PATCH v2 20/21] trace-cmd library: Track the offset in the option section in the trace file Tzvetomir Stoyanov (VMware)
2021-05-10  6:16 ` [PATCH v2 21/21] trace-cmd library: Add compression of the option section of " Tzvetomir Stoyanov (VMware)

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