trace: add --group=all to tracing.txt

[mirror_qemu.git] / docs / devel / tracing.txt

diff --git a/docs/devel/tracing.txt b/docs/devel/tracing.txt
index 8231bbf5d196e8efa0e1a87678bed1c5a5da7e34..8c0376fefa4dff4fd078ca2a501d6dfc1afb0eb1 100644 (file)
--- a/docs/devel/tracing.txt
+++ b/docs/devel/tracing.txt
@@ -317,7 +317,8 @@ probes:
                          --binary path/to/qemu-binary \
                          --target-type system \
                          --target-name x86_64 \
-                         <trace-events-all >qemu.stp
+                         --group=all \
+                         trace-events-all >qemu.stp
 
 To facilitate simple usage of systemtap where there merely needs to be printf
 logging of certain probes, a helper script "qemu-trace-stap" is provided.