diff options
| -rw-r--r-- | dump.c | 3 | ||||
| -rw-r--r-- | embedvar.h | 1 | ||||
| -rw-r--r-- | intrpvar.h | 9 | ||||
| -rw-r--r-- | perl.c | 18 |
4 files changed, 31 insertions, 0 deletions
@@ -2213,6 +2213,9 @@ Perl_runops_debug(pTHX) DEBUG_l(Perl_deb(aTHX_ "Entering new RUNOPS level\n")); do { +#ifdef PERL_TRACE_OPS + ++PL_op_exec_cnt[PL_op->op_type]; +#endif if (PL_debug) { if (PL_watchaddr && (*PL_watchaddr != PL_watchok)) PerlIO_printf(Perl_debug_log, diff --git a/embedvar.h b/embedvar.h index 0c34c0f3c6..ef2fa686a8 100644 --- a/embedvar.h +++ b/embedvar.h @@ -216,6 +216,7 @@ #define PL_ofsgv (vTHX->Iofsgv) #define PL_oldname (vTHX->Ioldname) #define PL_op (vTHX->Iop) +#define PL_op_exec_cnt (vTHX->Iop_exec_cnt) #define PL_op_mask (vTHX->Iop_mask) #define PL_opfreehook (vTHX->Iopfreehook) #define PL_opsave (vTHX->Iopsave) diff --git a/intrpvar.h b/intrpvar.h index 6a0fd10f33..f6827f2bd5 100644 --- a/intrpvar.h +++ b/intrpvar.h @@ -777,6 +777,15 @@ PERLVARI(I, sv_serial, U32, 0) /* SV serial number, used in sv.c */ PERLVARA(I, sv_consts, SV_CONSTS_COUNT, SV*) /* constant SVs with precomputed hash value */ +#ifdef PERL_TRACE_OPS +PERLVARA(I, op_exec_cnt, OP_max+2, UV) /* Counts of executed OPs of the given type. + If PERL_TRACE_OPS is enabled, we'll dump + a summary count of all ops executed in the + program at perl_destruct time. For + profiling/debugging only. Works only if + DEBUGGING is enabled, too. */ +#endif + /* If you are adding a U8 or U16, check to see if there are 'Space' comments * above on where there are gaps which currently will be structure padding. */ @@ -238,6 +238,10 @@ perl_construct(pTHXx) #endif PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ +#ifdef PERL_TRACE_OPS + Zero(PL_op_exec_cnt, OP_max+2, UV); +#endif + init_constants(); SvREADONLY_on(&PL_sv_placeholder); @@ -568,6 +572,20 @@ perl_destruct(pTHXx) /* Need to flush since END blocks can produce output */ my_fflush_all(); +#ifdef PERL_TRACE_OPS + /* If we traced all Perl OP usage, report and clean up */ + PerlIO_printf(Perl_debug_log, "Trace of all OPs executed:\n"); + for (i = 0; i <= OP_max; ++i) { + PerlIO_printf(Perl_debug_log, " %s: %"UVuf"\n", PL_op_name[i], PL_op_exec_cnt[i]); + PL_op_exec_cnt[i] = 0; + } + /* Utility slot for easily doing little tracing experiments in the runloop: */ + if (PL_op_exec_cnt[OP_max+1] != 0) + PerlIO_printf(Perl_debug_log, " SPECIAL: %"UVuf"\n", PL_op_exec_cnt[OP_max+1]); + PerlIO_printf(Perl_debug_log, "\n"); +#endif + + if (PL_threadhook(aTHX)) { /* Threads hook has vetoed further cleanup */ PL_veto_cleanup = TRUE; |