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path: root/Lib/test/test_tracemalloc.py
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* bpo-37961: Fix regression in tracemalloc.Traceback.__repr__ (GH-23805)Daniel Hahler2020-12-161-0/+20
| | | Regression in 8d59eb1b66c51b2b918da9881c57d07d08df43b7.
* bpo-40275: Use new test.support helper submodules in tests (GH-21449)Hai Shi2020-08-031-6/+7
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* bpo-40630: Add tracemalloc.reset_peak (GH-20102)Huon Wilson2020-05-221-0/+24
| | | | | | | The reset_peak function sets the peak memory size to the current size, representing a resetting of that metric. This allows for recording the peak of specific sections of code, ignoring other code that may have had a higher peak (since the most recent `tracemalloc.start()` or tracemalloc.clear_traces()` call).
* bpo-40094: Add test.support.wait_process() (GH-19254)Victor Stinner2020-03-311-4/+1
| | | | | | | | | Moreover, the following tests now check the child process exit code: * test_os.PtyTests * test_mailbox.test_lock_conflict() * test_tempfile.test_process_awareness() * test_uuid.testIssue8621() * multiprocessing resource tracker tests
* bpo-37961, tracemalloc: add Traceback.total_nframe (GH-15545)Julien Danjou2019-10-151-43/+47
| | | | Add a total_nframe field to the traces collected by the tracemalloc module. This field indicates the original number of frames before it was truncated.
* Fix typos mostly in comments, docs and test names (GH-15209)Min ho Kim2019-08-301-2/+2
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* bpo-35053: Enhance tracemalloc to trace free lists (GH-10063)Victor Stinner2018-10-251-0/+20
| | | | | | | | | | | | tracemalloc now tries to update the traceback when an object is reused from a "free list" (optimization for faster object creation, used by the builtin list type for example). Changes: * Add _PyTraceMalloc_NewReference() function which tries to update the Python traceback of a Python object. * _Py_NewReference() now calls _PyTraceMalloc_NewReference(). * Add an unit test.
* bpo-12458: Fix line numbers for multiline expressions. (GH-8774)Serhiy Storchaka2018-09-171-1/+1
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* bpo-34228: Allow PYTHONTRACEMALLOC=0 (GH-8467)Victor Stinner2018-07-251-2/+10
| | | | | PYTHONTRACEMALLOC=0 environment variable and -X tracemalloc=0 command line option are now allowed to disable explicitly tracemalloc at startup.
* bpo-32121: Add most_recent_first parameter to tracemalloc.Traceback.format ↵Jesse-Bakker2017-11-291-6/+24
| | | | | | | | (#4534) * Add most_recent_first parameter to tracemalloc.Traceback.format to allow reversing the order of the frames in the output * Reversed default sorting of tracemalloc.Traceback frames * Allowed negative limit, truncating from the other side.
* bpo-32030: Enhance Py_Main() (#4412)Victor Stinner2017-11-161-13/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Parse more env vars in Py_Main(): * Add more options to _PyCoreConfig: * faulthandler * tracemalloc * importtime * Move code to parse environment variables from _Py_InitializeCore() to Py_Main(). This change fixes a regression from Python 3.6: PYTHONUNBUFFERED is now read before calling pymain_init_stdio(). * _PyFaulthandler_Init() and _PyTraceMalloc_Init() now take an argument to decide if the module has to be enabled at startup. * tracemalloc_start() is now responsible to check the maximum number of frames. Other changes: * Cleanup Py_Main(): * Rename some pymain_xxx() subfunctions * Add pymain_run_python() subfunction * Cleanup Py_NewInterpreter() * _PyInterpreterState_Enable() now reports failure * init_hash_secret() now considers pyurandom() failure as an "user error": don't fail with abort(). * pymain_optlist_append() and pymain_strdup() now sets err on memory allocation failure.
* bpo-31370: Remove support for threads-less builds (#3385)Antoine Pitrou2017-09-071-4/+1
| | | | | | * Remove Setup.config * Always define WITH_THREAD for compatibility.
* bpo-29845: Mark tests that use _testcapi as CPython-only (#711)Serhiy Storchaka2017-03-191-0/+1
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* Merge doc and comment fixes from 3.5Martin Panter2016-04-191-1/+1
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| * Fix spelling (inital), grammar (may translates) in documentation, commentsMartin Panter2016-04-191-1/+1
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* | Issue #26588: remove debug traces from _tracemalloc.Victor Stinner2016-03-221-10/+0
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* | Issue #26588: add debug tracesVictor Stinner2016-03-221-0/+10
| | | | | | | | Try to debug random failure on buildbots.
* | Add C functions _PyTraceMalloc_Track()Victor Stinner2016-03-221-0/+115
| | | | | | | | | | | | | | | | Issue #26530: * Add C functions _PyTraceMalloc_Track() and _PyTraceMalloc_Untrack() to track memory blocks using the tracemalloc module. * Add _PyTraceMalloc_GetTraceback() to get the traceback of an object.
* | tracemalloc now supports domainsVictor Stinner2016-03-221-27/+77
|/ | | | | | | | | | | | | | | | | Issue #26588: * The _tracemalloc now supports tracing memory allocations of multiple address spaces (domains). * Add domain parameter to tracemalloc_add_trace() and tracemalloc_remove_trace(). * tracemalloc_add_trace() now starts by removing the previous trace, if any. * _tracemalloc._get_traces() now returns a list of (domain, size, traceback_frames): the domain is new. * Add tracemalloc.DomainFilter * tracemalloc.Filter: add an optional domain parameter to the constructor and a domain attribute * Sublte change: use Py_uintptr_t rather than void* in the traces key. * Add tracemalloc_config.use_domain, currently hardcoded to 1
* Issue #23731: Fix tracemalloc test on Windows.Zachary Ware2015-05-131-2/+3
| | | | 'a.pyo' can no longer match 'a.py', so 'a.PYO' can't either.
* Issue #9517: Move script_helper to the support package.Berker Peksag2015-05-061-3/+4
| | | | Patch by Christie Wilson.
* Issue #23731: Implement PEP 488.Brett Cannon2015-04-131-5/+1
| | | | | | The concept of .pyo files no longer exists. Now .pyc files have an optional `opt-` tag which specifies if any extra optimizations beyond the peepholer were applied.
* Skip some tests that require a subinterpreter launched with -E or -I when theGregory P. Smith2015-02-041-1/+3
|\ | | | | | | | | | | | | | | interpreter under test is being run in an environment that requires the use of environment variables such as PYTHONHOME in order to function at all. Adds a test.script_helper.interpreter_requires_environment() function to be used with @unittest.skipIf on stdlib test methods requiring this.
| * Skip some tests that require a subinterpreter launched with -E or -I when theGregory P. Smith2015-02-041-1/+3
|/ | | | | | | | interpreter under test is being run in an environment that requires the use of environment variables such as PYTHONHOME in order to function at all. Adds a private test.script_helper._interpreter_requires_environment() function to be used with @unittest.skipIf on stdlib test methods requiring this.
* Break up TestCommandLine.test_env_var into four distinct tests.Gregory P. Smith2015-01-221-3/+5
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* Issue #21639: Add a test to check that PyMem_Malloc(0) with tracemalloc enabledVictor Stinner2014-06-021-0/+6
| | | | does not crash.
* tracemalloc: filter_traces() raises a TypeError if filters is not an iterableVictor Stinner2014-03-101-0/+2
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* Issue #20616: Add a format() method to tracemalloc.Traceback.Victor Stinner2014-02-161-0/+20
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* tracemalloc: Fix slicing traces and fix slicing a traceback.Victor Stinner2014-02-011-2/+8
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* Closes #19786: tracemalloc, remove the arbitrary limit of 100 framesVictor Stinner2013-11-271-6/+6
| | | | | | | | The limit is now 178,956,969 on 64 bit (it is greater on 32 bit because structures are smaller). Use int instead of Py_ssize_t to store the number of frames to have smaller traceback_t objects.
* Close #19798: replace "maximum" term with "peak" in get_traced_memory()Victor Stinner2013-11-271-7/+7
| | | | documentation. Use also the term "current" for the current size.
* Cleanup test_tracemalloc.py. Patch written by Vajrasky Kok.Victor Stinner2013-11-251-4/+2
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* Issue #18874: Remove tracemalloc.set_traceback_limit()Victor Stinner2013-11-231-12/+9
| | | | tracemalloc.start() now has an option nframe parameter
* Issue #18874: Implement the PEP 454 (tracemalloc)Victor Stinner2013-11-231-0/+797
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