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path: root/src/python/m5/stats/__init__.py
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2017-02-27python: Add a generalized mechanism to configure statsAndreas Sandberg
Add a mechanism to configure the stat output format using a URL-like syntax. This makes it possible to specify both an output format (currently, only text is supported) and override default parameters. On the Python-side, this is implemented using a helper function (m5.stats.addStatVisitor) that adds a visitor to the list of active stat visitors. The helper function parses a URL-like stat specification to determine the stat output type. Optional parameters can be specified to change how stat visitors behave. For example, to output stats in text format without stat descriptions: m5.stats.addStatVisitor("text://stats.txt?desc=False") From the command line: gem5.opt --stats-file="text://stats.txt?desc=False" Internally, the stat framework uses the _url_factory decorator to wrap a Python function with the fn(path, **kwargs) signature in a function that takes a parsed URL as its only argument. The path and keyword arguments are automatically derived from the URL in the wrapper function. New output formats can be registered in the m5.stats.factories dictionary. This dictionary contains a mapping between format names (URL schemes) and factory methods. To retain backwards compatibility, the code automatically assumes that the user wants text output if no format has been specified (i.e., when specifying a plain path). Change-Id: Ic4dce93ab4ead07ffdf71e55a22ba0ae5a143061 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-by: Sascha Bischoff <sascha.bischoff@arm.com> Reviewed-by: Ilias Vougioukas <ilias.vougioukas@arm.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Reviewed-by: Tony Gutierrez <anthony.gutierrez@amd.com>
2017-01-27python: Move native wrappers to the _m5 namespaceAndreas Sandberg
Swig wrappers for native objects currently share the _m5.internal name space with Python code. This is undesirable if we ever want to switch from Swig to some other framework for native binding (e.g., PyBind11 or Boost::Python). This changeset moves all of such wrappers to the _m5 namespace, which is now reserved for native code. Change-Id: I2d2bc12dbc05b57b7c5a75f072e08124413d77f3 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
2017-01-03python: Don't use Swig to cast statsAndreas Sandberg
Call the stat visitor from the stat itself rather than casting stats in Python. This reduces the number of ways visitors are called. Change-Id: Ic4d0b7b32e3ab9897b9a34cd22d353f4da62d738 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Sascha Bischoff <sascha.bischoff@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Reviewed-by: Joe Gross <joseph.gross@amd.com>
2016-12-19python: Export periodicStatDumpAndreas Sandberg
Some configuration scripts need periodic stat dumps. One of the ways this can be achieved is by using the pariodicStatDump helper function. This function was previously only exported in the internal name space. Export it as a normal function in m5.stat instead. Change-Id: Ic88bf1fd33042a62ab436d5944d8ed778264ac98 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Sascha Bischoff <sascha.bischoff@arm.com>
2014-10-16config: Add a --without-python option to build processAndrew Bardsley
Add the ability to build libgem5 without embedded Python or the ability to configure with Python. This is a prelude to a patch to allow config.ini files to be loaded into libgem5 using only C++ which would make embedding gem5 within other simulation systems easier. This adds a few registration interfaces to things which cross between Python and C++. Namely: stats dumping and SimObject resolving
2014-02-10stats: better error message for uninitialized statisticCurtis Dunham
As suggested by Nathan Binkert in 2008: http://permalink.gmane.org/gmane.comp.emulators.m5.users/2676
2012-06-05stats: Provide a mechanism to get a callback when stats are dumped.Mitchell Hayenga
This mechanism is useful for dumping output that is correlated with stats dumping, but isn't tracked by the gem5 statistics.
2012-05-10stats: track if the stats have been enabled and prevent requesting master idAli Saidi
Track the point in the initialization where statistics have been registered. After this point registering new masterIds can no longer work as some SimObjects may have sized stats vectors based on the previous value. If someone tries to register a masterId after this point the simulator executes fatal().
2011-05-12stats: delete mysql supportNathan Binkert
we can add it back within python in some future changeset
2011-05-12stats: move code that loops over all stats into pythonNathan Binkert
2011-05-12stats: better expose statistics to python.Nathan Binkert
Build a python list and dict of all stats and expose flags properly. --HG-- rename : src/python/m5/stats.py => src/python/m5/stats/__init__.py