summaryrefslogtreecommitdiffstats
path: root/qemu/scripts/tracetool/__init__.py
diff options
context:
space:
mode:
authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/scripts/tracetool/__init__.py
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/scripts/tracetool/__init__.py')
-rw-r--r--qemu/scripts/tracetool/__init__.py394
1 files changed, 0 insertions, 394 deletions
diff --git a/qemu/scripts/tracetool/__init__.py b/qemu/scripts/tracetool/__init__.py
deleted file mode 100644
index be24039c5..000000000
--- a/qemu/scripts/tracetool/__init__.py
+++ /dev/null
@@ -1,394 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-"""
-Machinery for generating tracing-related intermediate files.
-"""
-
-__author__ = "Lluís Vilanova <vilanova@ac.upc.edu>"
-__copyright__ = "Copyright 2012-2016, Lluís Vilanova <vilanova@ac.upc.edu>"
-__license__ = "GPL version 2 or (at your option) any later version"
-
-__maintainer__ = "Stefan Hajnoczi"
-__email__ = "stefanha@linux.vnet.ibm.com"
-
-
-import re
-import sys
-import weakref
-
-import tracetool.format
-import tracetool.backend
-import tracetool.transform
-
-
-def error_write(*lines):
- """Write a set of error lines."""
- sys.stderr.writelines("\n".join(lines) + "\n")
-
-def error(*lines):
- """Write a set of error lines and exit."""
- error_write(*lines)
- sys.exit(1)
-
-
-def out(*lines, **kwargs):
- """Write a set of output lines.
-
- You can use kwargs as a shorthand for mapping variables when formating all
- the strings in lines.
- """
- lines = [ l % kwargs for l in lines ]
- sys.stdout.writelines("\n".join(lines) + "\n")
-
-
-class Arguments:
- """Event arguments description."""
-
- def __init__(self, args):
- """
- Parameters
- ----------
- args :
- List of (type, name) tuples or Arguments objects.
- """
- self._args = []
- for arg in args:
- if isinstance(arg, Arguments):
- self._args.extend(arg._args)
- else:
- self._args.append(arg)
-
- def copy(self):
- """Create a new copy."""
- return Arguments(list(self._args))
-
- @staticmethod
- def build(arg_str):
- """Build and Arguments instance from an argument string.
-
- Parameters
- ----------
- arg_str : str
- String describing the event arguments.
- """
- res = []
- for arg in arg_str.split(","):
- arg = arg.strip()
- if arg == 'void':
- continue
-
- if '*' in arg:
- arg_type, identifier = arg.rsplit('*', 1)
- arg_type += '*'
- identifier = identifier.strip()
- else:
- arg_type, identifier = arg.rsplit(None, 1)
-
- res.append((arg_type, identifier))
- return Arguments(res)
-
- def __getitem__(self, index):
- if isinstance(index, slice):
- return Arguments(self._args[index])
- else:
- return self._args[index]
-
- def __iter__(self):
- """Iterate over the (type, name) pairs."""
- return iter(self._args)
-
- def __len__(self):
- """Number of arguments."""
- return len(self._args)
-
- def __str__(self):
- """String suitable for declaring function arguments."""
- if len(self._args) == 0:
- return "void"
- else:
- return ", ".join([ " ".join([t, n]) for t,n in self._args ])
-
- def __repr__(self):
- """Evaluable string representation for this object."""
- return "Arguments(\"%s\")" % str(self)
-
- def names(self):
- """List of argument names."""
- return [ name for _, name in self._args ]
-
- def types(self):
- """List of argument types."""
- return [ type_ for type_, _ in self._args ]
-
- def casted(self):
- """List of argument names casted to their type."""
- return ["(%s)%s" % (type_, name) for type_, name in self._args]
-
- def transform(self, *trans):
- """Return a new Arguments instance with transformed types.
-
- The types in the resulting Arguments instance are transformed according
- to tracetool.transform.transform_type.
- """
- res = []
- for type_, name in self._args:
- res.append((tracetool.transform.transform_type(type_, *trans),
- name))
- return Arguments(res)
-
-
-class Event(object):
- """Event description.
-
- Attributes
- ----------
- name : str
- The event name.
- fmt : str
- The event format string.
- properties : set(str)
- Properties of the event.
- args : Arguments
- The event arguments.
-
- """
-
- _CRE = re.compile("((?P<props>[\w\s]+)\s+)?"
- "(?P<name>\w+)"
- "\((?P<args>[^)]*)\)"
- "\s*"
- "(?:(?:(?P<fmt_trans>\".+),)?\s*(?P<fmt>\".+))?"
- "\s*")
-
- _VALID_PROPS = set(["disable", "tcg", "tcg-trans", "tcg-exec", "vcpu"])
-
- def __init__(self, name, props, fmt, args, orig=None,
- event_trans=None, event_exec=None):
- """
- Parameters
- ----------
- name : string
- Event name.
- props : list of str
- Property names.
- fmt : str, list of str
- Event printing format (or formats).
- args : Arguments
- Event arguments.
- orig : Event or None
- Original Event before transformation/generation.
- event_trans : Event or None
- Generated translation-time event ("tcg" property).
- event_exec : Event or None
- Generated execution-time event ("tcg" property).
-
- """
- self.name = name
- self.properties = props
- self.fmt = fmt
- self.args = args
- self.event_trans = event_trans
- self.event_exec = event_exec
-
- if orig is None:
- self.original = weakref.ref(self)
- else:
- self.original = orig
-
- unknown_props = set(self.properties) - self._VALID_PROPS
- if len(unknown_props) > 0:
- raise ValueError("Unknown properties: %s"
- % ", ".join(unknown_props))
- assert isinstance(self.fmt, str) or len(self.fmt) == 2
-
- def copy(self):
- """Create a new copy."""
- return Event(self.name, list(self.properties), self.fmt,
- self.args.copy(), self, self.event_trans, self.event_exec)
-
- @staticmethod
- def build(line_str):
- """Build an Event instance from a string.
-
- Parameters
- ----------
- line_str : str
- Line describing the event.
- """
- m = Event._CRE.match(line_str)
- assert m is not None
- groups = m.groupdict('')
-
- name = groups["name"]
- props = groups["props"].split()
- fmt = groups["fmt"]
- fmt_trans = groups["fmt_trans"]
- if len(fmt_trans) > 0:
- fmt = [fmt_trans, fmt]
- args = Arguments.build(groups["args"])
-
- if "tcg-trans" in props:
- raise ValueError("Invalid property 'tcg-trans'")
- if "tcg-exec" in props:
- raise ValueError("Invalid property 'tcg-exec'")
- if "tcg" not in props and not isinstance(fmt, str):
- raise ValueError("Only events with 'tcg' property can have two formats")
- if "tcg" in props and isinstance(fmt, str):
- raise ValueError("Events with 'tcg' property must have two formats")
-
- event = Event(name, props, fmt, args)
-
- # add implicit arguments when using the 'vcpu' property
- import tracetool.vcpu
- event = tracetool.vcpu.transform_event(event)
-
- return event
-
- def __repr__(self):
- """Evaluable string representation for this object."""
- if isinstance(self.fmt, str):
- fmt = self.fmt
- else:
- fmt = "%s, %s" % (self.fmt[0], self.fmt[1])
- return "Event('%s %s(%s) %s')" % (" ".join(self.properties),
- self.name,
- self.args,
- fmt)
-
- _FMT = re.compile("(%[\d\.]*\w+|%.*PRI\S+)")
-
- def formats(self):
- """List of argument print formats."""
- assert not isinstance(self.fmt, list)
- return self._FMT.findall(self.fmt)
-
- QEMU_TRACE = "trace_%(name)s"
- QEMU_TRACE_TCG = QEMU_TRACE + "_tcg"
-
- def api(self, fmt=None):
- if fmt is None:
- fmt = Event.QEMU_TRACE
- return fmt % {"name": self.name}
-
- def transform(self, *trans):
- """Return a new Event with transformed Arguments."""
- return Event(self.name,
- list(self.properties),
- self.fmt,
- self.args.transform(*trans),
- self)
-
-
-def _read_events(fobj):
- events = []
- for line in fobj:
- if not line.strip():
- continue
- if line.lstrip().startswith('#'):
- continue
-
- event = Event.build(line)
-
- # transform TCG-enabled events
- if "tcg" not in event.properties:
- events.append(event)
- else:
- event_trans = event.copy()
- event_trans.name += "_trans"
- event_trans.properties += ["tcg-trans"]
- event_trans.fmt = event.fmt[0]
- # ignore TCG arguments
- args_trans = []
- for atrans, aorig in zip(
- event_trans.transform(tracetool.transform.TCG_2_HOST).args,
- event.args):
- if atrans == aorig:
- args_trans.append(atrans)
- event_trans.args = Arguments(args_trans)
-
- event_exec = event.copy()
- event_exec.name += "_exec"
- event_exec.properties += ["tcg-exec"]
- event_exec.fmt = event.fmt[1]
- event_exec.args = event_exec.args.transform(tracetool.transform.TCG_2_HOST)
-
- new_event = [event_trans, event_exec]
- event.event_trans, event.event_exec = new_event
-
- events.extend(new_event)
-
- return events
-
-
-class TracetoolError (Exception):
- """Exception for calls to generate."""
- pass
-
-
-def try_import(mod_name, attr_name=None, attr_default=None):
- """Try to import a module and get an attribute from it.
-
- Parameters
- ----------
- mod_name : str
- Module name.
- attr_name : str, optional
- Name of an attribute in the module.
- attr_default : optional
- Default value if the attribute does not exist in the module.
-
- Returns
- -------
- A pair indicating whether the module could be imported and the module or
- object or attribute value.
- """
- try:
- module = __import__(mod_name, globals(), locals(), ["__package__"])
- if attr_name is None:
- return True, module
- return True, getattr(module, str(attr_name), attr_default)
- except ImportError:
- return False, None
-
-
-def generate(fevents, format, backends,
- binary=None, probe_prefix=None):
- """Generate the output for the given (format, backends) pair.
-
- Parameters
- ----------
- fevents : file
- Event description file.
- format : str
- Output format name.
- backends : list
- Output backend names.
- binary : str or None
- See tracetool.backend.dtrace.BINARY.
- probe_prefix : str or None
- See tracetool.backend.dtrace.PROBEPREFIX.
- """
- # fix strange python error (UnboundLocalError tracetool)
- import tracetool
-
- format = str(format)
- if len(format) is 0:
- raise TracetoolError("format not set")
- if not tracetool.format.exists(format):
- raise TracetoolError("unknown format: %s" % format)
-
- if len(backends) is 0:
- raise TracetoolError("no backends specified")
- for backend in backends:
- if not tracetool.backend.exists(backend):
- raise TracetoolError("unknown backend: %s" % backend)
- backend = tracetool.backend.Wrapper(backends, format)
-
- import tracetool.backend.dtrace
- tracetool.backend.dtrace.BINARY = binary
- tracetool.backend.dtrace.PROBEPREFIX = probe_prefix
-
- events = _read_events(fevents)
-
- tracetool.format.generate(events, format, backend)