From b01bcae61cef515797a3f353aaff9f55b27ee0d1 Mon Sep 17 00:00:00 2001
From: balrog
Date: Sun, 16 Dec 2007 13:05:59 +0000
Subject: QEMU_STRACE documentation bit by Thayne Harbaugh.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3822 c046a42c-6fe2-441c-8c8c-71466251a162
---
 qemu-doc.texi | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'qemu-doc.texi')

diff --git a/qemu-doc.texi b/qemu-doc.texi
index 8e6cd506b8..04529a1157 100644
--- a/qemu-doc.texi
+++ b/qemu-doc.texi
@@ -2507,6 +2507,17 @@ Activate log (logfile=/tmp/qemu.log)
 Act as if the host page size was 'pagesize' bytes
 @end table
 
+Environment variables:
+
+@table @env
+@item QEMU_STRACE
+Print system calls and arguments similar to the 'strace' program
+(NOTE: the actual 'strace' program will not work because the user
+space emulator hasn't implemented ptrace).  At the moment this is
+incomplete.  All system calls that don't have a specific argument
+format are printed with information for six arguments.  Many
+flag-style arguments don't have decoders and will show up as numbers.
+
 @node Other binaries
 @subsection Other binaries
 
-- 
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