[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH 2/3] trace: Format strings must begin/end with doubl
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-devel] [PATCH 2/3] trace: Format strings must begin/end with double quotes |
Date: |
Mon, 18 Oct 2010 13:42:55 +0100 |
Document the restriction that format strings must begin and end with
double quotes. This is for easy parsing since we don't run cpp over
trace-events.
Signed-off-by: Stefan Hajnoczi <address@hidden>
---
docs/tracing.txt | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/docs/tracing.txt b/docs/tracing.txt
index 5504850..963c504 100644
--- a/docs/tracing.txt
+++ b/docs/tracing.txt
@@ -74,7 +74,10 @@ Trace events should use types as follows:
Format strings should reflect the types defined in the trace event. Take
special care to use PRId64 and PRIu64 for int64_t and uint64_t types,
-respectively. This ensures portability between 32- and 64-bit platforms.
+respectively. This ensures portability between 32- and 64-bit platforms. Note
+that format strings must begin and end with double quotes. When using
+portability macros, ensure they are preceded and followed by double quotes:
+"value %"PRIx64"".
=== Hints for adding new trace events ===
--
1.7.1