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authorPeter Maydell <peter.maydell@linaro.org>2018-07-19 18:25:53 +0100
committerPeter Maydell <peter.maydell@linaro.org>2018-07-19 18:25:53 +0100
commit0b46a3f005458311d6fa479c1f5f8fe3da562d61 (patch)
tree5d653b7c776ae5e2479ee31b98e5abf0516e5574 /docs/devel
parent9f2b67e1ca43c84ed37ebd027e7e77a0f2f8ef65 (diff)
parentdb817b8c500a60873eba80cbf047900ae5b32766 (diff)
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Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' into staging
Pull request Contains a fix to use double-dash consistently with tracing command-line options in documentation and output. # gpg: Signature made Thu 19 Jul 2018 17:24:51 BST # gpg: using RSA key 9CA4ABB381AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" # Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8 * remotes/stefanha/tags/tracing-pull-request: tracing: Use double-dash spelling for trace option Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'docs/devel')
-rw-r--r--docs/devel/tracing.txt6
1 files changed, 3 insertions, 3 deletions
diff --git a/docs/devel/tracing.txt b/docs/devel/tracing.txt
index 6f815ec..bc52f12 100644
--- a/docs/devel/tracing.txt
+++ b/docs/devel/tracing.txt
@@ -18,7 +18,7 @@ for debugging, profiling, and observing execution.
3. Run the virtual machine to produce a trace file:
- qemu -trace events=/tmp/events ... # your normal QEMU invocation
+ qemu --trace events=/tmp/events ... # your normal QEMU invocation
4. Pretty-print the binary trace file:
@@ -157,11 +157,11 @@ The state of events can also be queried and modified through monitor commands:
* trace-event NAME on|off
Enable/disable a given trace event or a group of events (using wildcards).
-The "-trace events=<file>" command line argument can be used to enable the
+The "--trace events=<file>" command line argument can be used to enable the
events listed in <file> from the very beginning of the program. This file must
contain one event name per line.
-If a line in the "-trace events=<file>" file begins with a '-', the trace event
+If a line in the "--trace events=<file>" file begins with a '-', the trace event
will be disabled instead of enabled. This is useful when a wildcard was used
to enable an entire family of events but one noisy event needs to be disabled.