diff options
| author | Stefan Hajnoczi <stefanha@redhat.com> | 2019-10-09 14:51:54 +0100 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2019-10-15 09:46:21 +0100 |
| commit | bd200384c515bdc84d52f1735c0fea43c8f61e11 (patch) | |
| tree | 65e6ffeb467adb3f972ef01c9c318ad7ac84cce8 /docs/devel | |
| parent | 98b2e3c9ab3abfe476a2b02f8f51813edb90e72d (diff) | |
trace: add --group=all to tracing.txt
tracetool needs to know the group name ("all", "root", or a specific
subdirectory). Also remove the stdin redirection because tracetool.py
needs the path to the trace-events file. Update the documentation.
Fixes: 2098c56a9bc5901e145fa5d4759f075808811685
("trace: move setting of group name into Makefiles")
Buglink: https://bugs.launchpad.net/bugs/1844814
Reported-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20191009135154.10970-1-stefanha@redhat.com>
Diffstat (limited to 'docs/devel')
| -rw-r--r-- | docs/devel/tracing.txt | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/docs/devel/tracing.txt b/docs/devel/tracing.txt index 8231bbf5d1..8c0376fefa 100644 --- 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. |