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gh-131253: free-threaded build support for pystats (gh-137189)

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Allow the --enable-pystats build option to be used with free-threading.  The
stats are now stored on a per-interpreter basis, rather than process global.
For free-threaded builds, the stats structure is allocated per-thread and
then periodically merged into the per-interpreter stats structure (on thread
exit or when the reporting function is called). Most of the pystats related
code has be moved into the file Python/pystats.c.
This commit is contained in:
Neil Schemenauer 2025-11-03 11:36:37 -08:00 • committed by GitHub
parent cf1a2c1ee4
commit c98c5b3449
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24 changed files with 1269 additions and 485 deletions
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Python/qsbr.c
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@ -36,6 +36,7 @@
#include "pycore_pystate.h" // _PyThreadState_GET()
#include "pycore_qsbr.h"
#include "pycore_tstate.h" // _PyThreadStateImpl
#include "pycore_stats.h" // FT_STAT_QSBR_POLL_INC()
// Starting size of the array of qsbr thread states
@ -158,7 +159,7 @@ _Py_qsbr_poll(struct _qsbr_thread_state *qsbr, uint64_t goal)
if (_Py_qbsr_goal_reached(qsbr, goal)) {
return true;
}
FT_STAT_QSBR_POLL_INC();
uint64_t rd_seq = qsbr_poll_scan(qsbr->shared);
return QSBR_LEQ(goal, rd_seq);
}