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FROMLIST: tracing: add trace_export support for event trace

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Only function traces can be exported to other destinations currently.
This patch exports event trace as well. Move trace export related
function to the beginning of file so other trace can call
trace_process_export() to export.

Bug: 160464759
Link: https://lore.kernel.org/patchwork/cover/1280618/
Signed-off-by: Tingwei Zhang <tingwei@codeaurora.org>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Change-Id: I140476398b889c0c793a4be972437012d2ad9552
This commit is contained in:
Tingwei Zhang
2020-07-22 18:22:47 +08:00
committed by Todd Kjos
parent d853627385
commit 23e1124fab
2 changed files with 135 additions and 125 deletions
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include/linux/trace.h
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@@ -5,6 +5,7 @@
#ifdef CONFIG_TRACING
#define TRACE_EXPORT_FUNCTION BIT(0)
#define TRACE_EXPORT_EVENT BIT(1)
/*
* The trace export - an export of Ftrace output. The trace_export