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[Qemu-devel] [PATCH v4 1/7] tracetool: Explicitly identify public backen
From: |
Lluís Vilanova |
Subject: |
[Qemu-devel] [PATCH v4 1/7] tracetool: Explicitly identify public backends |
Date: |
Tue, 8 May 2012 16:38:20 +0200 |
User-agent: |
StGit/0.16 |
Public backends are those printed by "--list-backends" and thus considered valid
by the configure script.
Signed-off-by: Lluís Vilanova <address@hidden>
---
scripts/tracetool.py | 4 ++--
scripts/tracetool/backend/__init__.py | 16 +++++++++++++++-
scripts/tracetool/backend/dtrace.py | 3 +++
scripts/tracetool/backend/simple.py | 3 +++
scripts/tracetool/backend/stderr.py | 3 +++
scripts/tracetool/backend/ust.py | 3 +++
6 files changed, 29 insertions(+), 3 deletions(-)
diff --git a/scripts/tracetool.py b/scripts/tracetool.py
index c003cf6..a79ec0f 100755
--- a/scripts/tracetool.py
+++ b/scripts/tracetool.py
@@ -90,8 +90,8 @@ def main(args):
arg_format = arg
elif opt == "--list-backends":
- backends = tracetool.backend.get_list()
- out(", ".join([ b for b,_ in backends ]))
+ public_backends = tracetool.backend.get_list(only_public = True)
+ out(", ".join([ b for b,_ in public_backends ]))
sys.exit(0)
elif opt == "--check-backend":
check_backend = True
diff --git a/scripts/tracetool/backend/__init__.py
b/scripts/tracetool/backend/__init__.py
index be43472..f0314ee 100644
--- a/scripts/tracetool/backend/__init__.py
+++ b/scripts/tracetool/backend/__init__.py
@@ -17,6 +17,16 @@ considered its short description.
All backends must generate their contents through the 'tracetool.out' routine.
+Backend attributes
+------------------
+
+========= ====================================================================
+Attribute Description
+========= ====================================================================
+PUBLIC If exists and is set to 'True', the backend is considered "public".
+========= ====================================================================
+
+
Backend functions
-----------------
@@ -42,7 +52,7 @@ import os
import tracetool
-def get_list():
+def get_list(only_public = False):
"""Get a list of (name, description) pairs."""
res = [("nop", "Tracing disabled.")]
modnames = []
@@ -57,6 +67,10 @@ def get_list():
continue
module = module[1]
+ public = getattr(module, "PUBLIC", False)
+ if only_public and not public:
+ continue
+
doc = module.__doc__
if doc is None:
doc = ""
diff --git a/scripts/tracetool/backend/dtrace.py
b/scripts/tracetool/backend/dtrace.py
index 9cab75c..5bcf513 100644
--- a/scripts/tracetool/backend/dtrace.py
+++ b/scripts/tracetool/backend/dtrace.py
@@ -16,6 +16,9 @@ __email__ = "address@hidden"
from tracetool import out
+PUBLIC = True
+
+
PROBEPREFIX = None
def _probeprefix():
diff --git a/scripts/tracetool/backend/simple.py
b/scripts/tracetool/backend/simple.py
index fbb5717..9a4f512 100644
--- a/scripts/tracetool/backend/simple.py
+++ b/scripts/tracetool/backend/simple.py
@@ -16,6 +16,9 @@ __email__ = "address@hidden"
from tracetool import out
+PUBLIC = True
+
+
def c(events):
out('#include "trace.h"',
'',
diff --git a/scripts/tracetool/backend/stderr.py
b/scripts/tracetool/backend/stderr.py
index 917fde7..a10fbb8 100644
--- a/scripts/tracetool/backend/stderr.py
+++ b/scripts/tracetool/backend/stderr.py
@@ -16,6 +16,9 @@ __email__ = "address@hidden"
from tracetool import out
+PUBLIC = True
+
+
def c(events):
out('#include "trace.h"',
'',
diff --git a/scripts/tracetool/backend/ust.py b/scripts/tracetool/backend/ust.py
index 31a2ff0..ea36995 100644
--- a/scripts/tracetool/backend/ust.py
+++ b/scripts/tracetool/backend/ust.py
@@ -16,6 +16,9 @@ __email__ = "address@hidden"
from tracetool import out
+PUBLIC = True
+
+
def c(events):
out('#include <ust/marker.h>',
'#undef mutex_lock',
- [Qemu-devel] [PATCH v4 0/7] trace: Generic event state description, Lluís Vilanova, 2012/05/08
- [Qemu-devel] [PATCH v4 1/7] tracetool: Explicitly identify public backends,
Lluís Vilanova <=
- [Qemu-devel] [PATCH v4 2/7] trace: Provide a generic tracing event descriptor, Lluís Vilanova, 2012/05/08
- [Qemu-devel] [PATCH v4 3/7] trace: Provide a detailed event control interface, Lluís Vilanova, 2012/05/08
- [Qemu-devel] [PATCH v4 4/7] trace: [monitor] Use new event control interface, Lluís Vilanova, 2012/05/08
- [Qemu-devel] [PATCH v4 5/7] trace: [default] Use new event control interface, Lluís Vilanova, 2012/05/08
- [Qemu-devel] [PATCH v4 6/7] trace: [simple] Port to generic event information and new control interface, Lluís Vilanova, 2012/05/08
- [Qemu-devel] [PATCH v4 7/7] trace: [stderr] Port to generic event information and new control interface, Lluís Vilanova, 2012/05/08