From: "Tzvetomir Stoyanov (VMware)" <tz.stoyanov@gmail.com>
To: rostedt@goodmis.org
Cc: linux-trace-devel@vger.kernel.org
Subject: [PATCH 2/6] trace-cmd library: Add new API to get file version of input handler
Date: Thu, 22 Apr 2021 10:17:14 +0300 [thread overview]
Message-ID: <20210422071718.483383-3-tz.stoyanov@gmail.com> (raw)
In-Reply-To: <20210422071718.483383-1-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 dccd8ae5..fa5b8880 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 a00fa982..b2a03ab8 100644
--- a/lib/trace-cmd/trace-input.c
+++ b/lib/trace-cmd/trace-input.c
@@ -4034,6 +4034,15 @@ 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
--
2.30.2
next prev parent reply other threads:[~2021-04-22 7:17 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-22 7:17 [PATCH 0/6] Bump trace file version Tzvetomir Stoyanov (VMware)
2021-04-22 7:17 ` [PATCH 1/6] trace-cmd library: Bump the trace file version to 7 Tzvetomir Stoyanov (VMware)
2021-04-29 1:19 ` Steven Rostedt
2021-04-29 3:43 ` Tzvetomir Stoyanov
2021-04-29 13:16 ` Steven Rostedt
2021-04-22 7:17 ` Tzvetomir Stoyanov (VMware) [this message]
2021-04-29 1:20 ` [PATCH 2/6] trace-cmd library: Add new API to get file version of input handler Steven Rostedt
2021-04-22 7:17 ` [PATCH 3/6] trace-cmd library: Select the file version when writing trace file Tzvetomir Stoyanov (VMware)
2021-04-22 7:17 ` [PATCH 4/6] trace-cmd library: Remove unused private APIs for creating trace files Tzvetomir Stoyanov (VMware)
2021-04-29 1:22 ` Steven Rostedt
2021-04-22 7:17 ` [PATCH 5/6] trace-cmd library: Extend the create file APIs to support different file version Tzvetomir Stoyanov (VMware)
2021-04-22 7:17 ` [PATCH 6/6] trace-cmd record: Add new parameter --file-version Tzvetomir Stoyanov (VMware)
2021-04-29 1:26 ` Steven Rostedt
2021-04-29 3:34 ` Tzvetomir Stoyanov
2021-04-29 12:55 ` Steven Rostedt
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