1 #define PERL_NO_GET_CONTEXT
7 _runops_debug(int flag)
10 bool d = PL_runops == MEMBER_TO_FPTR(Perl_runops_debug);
14 = MEMBER_TO_FPTR(flag ? Perl_runops_debug : Perl_runops_standard);
26 SV* ret = newRV_noinc((SV*)newAV());
28 int tm = 0, tref = 0, ts = 0, ta = 0, tas = 0;
30 for (sva = PL_sv_arenaroot; sva; sva = (SV*)SvANY(sva)) {
31 svend = &sva[SvREFCNT(sva)];
32 for (sv = sva + 1; sv < svend; ++sv) {
33 if (SvTYPE(sv) == SVt_PVCV) {
35 AV* padlist = CvPADLIST(cv), *argav;
38 int i = 0, j, levelm, totm = 0, levelref, totref = 0;
39 int levels, tots = 0, levela, tota = 0, levelas, totas = 0;
46 continue; /* file-level scope. */
49 /* PerlIO_printf(Perl_debug_log, " no root?!\n"); */
50 continue; /* autoloading stub. */
52 do_gvgv_dump(0, Perl_debug_log, "GVGV::GV", CvGV(sv));
54 PerlIO_printf(Perl_debug_log, " busy\n");
57 svp = AvARRAY(padlist);
58 while (++i <= AvFILL(padlist)) { /* Depth. */
61 pad = AvARRAY((AV*)svp[i]);
63 if (!argav || (SV*)argav == &PL_sv_undef) {
64 PerlIO_printf(Perl_debug_log, " closure-template\n");
67 args = AvARRAY(argav);
68 levelm = levels = levelref = levelas = 0;
69 levela = sizeof(SV*) * (AvMAX(argav) + 1);
71 for (j = 0; j < AvFILL(argav); j++) {
73 PerlIO_printf(Perl_debug_log, " ref in args!\n");
76 /* else if (SvPOK(args[j]) && SvPVX(args[j])) { */
77 else if (SvTYPE(args[j]) >= SVt_PV && SvLEN(args[j])) {
78 levelas += SvLEN(args[j])/SvREFCNT(args[j]);
82 for (j = 1; j < AvFILL((AV*)svp[1]); j++) { /* Vars. */
85 do_sv_dump(0, Perl_debug_log, pad[j], 0, 4, 0, 0);
88 /* else if (SvPOK(pad[j]) && SvPVX(pad[j])) { */
89 else if (SvTYPE(pad[j]) >= SVt_PVAV) {
90 if (!SvPADMY(pad[j])) {
92 do_sv_dump(0, Perl_debug_log, pad[j], 0, 4, 0, 0);
96 else if (SvTYPE(pad[j]) >= SVt_PV && SvLEN(pad[j])) {
98 levelm += SvLEN(pad[j])/SvREFCNT(pad[j]);
102 PerlIO_printf(Perl_debug_log, " level %i: refs: %i, strings: %i in %i,\targsarray: %i, argsstrings: %i\n",
103 i, levelref, levelm, levels, levela, levelas);
110 do_sv_dump(0, Perl_debug_log, (SV*)cv, 0, 2, 0, 0);
112 if (AvFILL(padlist) > 1) {
113 PerlIO_printf(Perl_debug_log, " total: refs: %i, strings: %i in %i,\targsarrays: %i, argsstrings: %i\n",
114 totref, totm, tots, tota, totas);
124 PerlIO_printf(Perl_debug_log, "total: refs: %i, strings: %i in %i\targsarray: %i, argsstrings: %i\n", tref, tm, ts, ta, tas);
130 #if (defined(PERL_DEBUGGING_MSTATS) || defined(DEBUGGING_MSTATS)) \
131 && (defined(MYMALLOC) && !defined(PLAIN_MALLOC))
132 # define mstat(str) dump_mstats(str)
134 # define mstat(str) \
135 PerlIO_printf(Perl_debug_log, "%s: perl not compiled with DEBUGGING_MSTATS\n",str);
138 #if (defined(PERL_DEBUGGING_MSTATS) || defined(DEBUGGING_MSTATS)) \
139 && (defined(MYMALLOC) && !defined(PLAIN_MALLOC))
141 /* Very coarse overestimate, 2-per-power-of-2, one more to determine NBUCKETS. */
142 # define _NBUCKETS (2*8*IVSIZE+1)
146 perl_mstats_t buffer;
151 _fill_mstats(struct mstats_buffer *b, int level)
154 b->buffer.nfree = b->buf;
155 b->buffer.ntotal = b->buf + _NBUCKETS;
156 b->buffer.bucket_mem_size = b->buf + 2*_NBUCKETS;
157 b->buffer.bucket_available_size = b->buf + 3*_NBUCKETS;
158 Zero(b->buf, (level ? 4*_NBUCKETS: 2*_NBUCKETS), unsigned long);
159 get_mstats(&(b->buffer), _NBUCKETS, level);
163 fill_mstats(SV *sv, int level)
168 croak("Cannot modify a readonly value");
169 SvGROW(sv, sizeof(struct mstats_buffer)+1);
170 _fill_mstats((struct mstats_buffer*)SvPVX(sv),level);
171 SvCUR_set(sv, sizeof(struct mstats_buffer));
177 _mstats_to_hv(HV *hv, struct mstats_buffer *b, int level)
183 svp = hv_fetch(hv, "topbucket", 9, 1);
184 sv_setiv(*svp, b->buffer.topbucket);
186 svp = hv_fetch(hv, "topbucket_ev", 12, 1);
187 sv_setiv(*svp, b->buffer.topbucket_ev);
189 svp = hv_fetch(hv, "topbucket_odd", 13, 1);
190 sv_setiv(*svp, b->buffer.topbucket_odd);
192 svp = hv_fetch(hv, "totfree", 7, 1);
193 sv_setiv(*svp, b->buffer.totfree);
195 svp = hv_fetch(hv, "total", 5, 1);
196 sv_setiv(*svp, b->buffer.total);
198 svp = hv_fetch(hv, "total_chain", 11, 1);
199 sv_setiv(*svp, b->buffer.total_chain);
201 svp = hv_fetch(hv, "total_sbrk", 10, 1);
202 sv_setiv(*svp, b->buffer.total_sbrk);
204 svp = hv_fetch(hv, "sbrks", 5, 1);
205 sv_setiv(*svp, b->buffer.sbrks);
207 svp = hv_fetch(hv, "sbrk_good", 9, 1);
208 sv_setiv(*svp, b->buffer.sbrk_good);
210 svp = hv_fetch(hv, "sbrk_slack", 10, 1);
211 sv_setiv(*svp, b->buffer.sbrk_slack);
213 svp = hv_fetch(hv, "start_slack", 11, 1);
214 sv_setiv(*svp, b->buffer.start_slack);
216 svp = hv_fetch(hv, "sbrked_remains", 14, 1);
217 sv_setiv(*svp, b->buffer.sbrked_remains);
219 svp = hv_fetch(hv, "minbucket", 9, 1);
220 sv_setiv(*svp, b->buffer.minbucket);
222 svp = hv_fetch(hv, "nbuckets", 8, 1);
223 sv_setiv(*svp, b->buffer.nbuckets);
225 if (_NBUCKETS < b->buffer.nbuckets)
226 warn("FIXME: internal mstats buffer too short");
228 for (type = 0; type < (level ? 4 : 2); type++) {
232 static const char *types[4] = {
233 "free", "used", "mem_size", "available_size"
236 svp = hv_fetch(hv, types[type], strlen(types[type]), 1);
238 if (SvOK(*svp) && !(SvROK(*svp) && SvTYPE(SvRV(*svp)) == SVt_PVAV))
239 croak("Unexpected value for the key '%s' in the mstats hash", types[type]);
242 (void)SvUPGRADE(*svp, SVt_RV);
243 SvRV(*svp) = (SV*)av;
246 av = (AV*)SvRV(*svp);
248 av_extend(av, b->buffer.nbuckets - 1);
249 /* XXXX What is the official way to reduce the size of the array? */
255 p = b->buffer.ntotal;
256 p1 = b->buffer.nfree;
259 p = b->buffer.bucket_mem_size;
262 p = b->buffer.bucket_available_size;
265 for (i = 0; i < b->buffer.nbuckets; i++) {
266 svp = av_fetch(av, i, 1);
268 sv_setiv(*svp, p[i]-p1[i]);
270 sv_setuv(*svp, p[i]);
275 mstats_fillhash(SV *sv, int level)
277 struct mstats_buffer buf;
279 if (!(SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVHV))
280 croak("Not a hash reference");
281 _fill_mstats(&buf, level);
282 _mstats_to_hv((HV *)SvRV(sv), &buf, level);
285 mstats2hash(SV *sv, SV *rv, int level)
287 if (!(SvROK(rv) && SvTYPE(SvRV(rv)) == SVt_PVHV))
288 croak("Not a hash reference");
290 croak("Undefined value when expecting mstats buffer");
291 if (SvCUR(sv) != sizeof(struct mstats_buffer))
292 croak("Wrong size for a value with a mstats buffer");
293 _mstats_to_hv((HV *)SvRV(rv), (struct mstats_buffer*)SvPVX(sv), level);
295 #else /* !( defined(PERL_DEBUGGING_MSTATS) || defined(DEBUGGING_MSTATS) \ ) */
297 fill_mstats(SV *sv, int level)
299 croak("Cannot report mstats without Perl malloc");
302 mstats_fillhash(SV *sv, int level)
304 croak("Cannot report mstats without Perl malloc");
307 mstats2hash(SV *sv, SV *rv, int level)
309 croak("Cannot report mstats without Perl malloc");
311 #endif /* defined(PERL_DEBUGGING_MSTATS) || defined(DEBUGGING_MSTATS)... */
314 (SvROK(cv) && (SvTYPE(SvRV(cv))==SVt_PVCV) \
315 ? SvREFCNT_inc(CvGV((CV*)SvRV(cv))) : &PL_sv_undef)
317 MODULE = Devel::Peek PACKAGE = Devel::Peek
320 mstat(str="Devel::Peek::mstat: ")
324 fill_mstats(SV *sv, int level = 0)
327 mstats_fillhash(SV *sv, int level = 0)
331 mstats2hash(SV *sv, SV *rv, int level = 0)
340 SV *pv_lim_sv = perl_get_sv("Devel::Peek::pv_limit", FALSE);
341 STRLEN pv_lim = pv_lim_sv ? SvIV(pv_lim_sv) : 0;
342 SV *dumpop = perl_get_sv("Devel::Peek::dump_ops", FALSE);
343 I32 save_dumpindent = PL_dumpindent;
345 do_sv_dump(0, Perl_debug_log, sv, 0, lim,
346 (bool)(dumpop && SvTRUE(dumpop)), pv_lim);
347 PL_dumpindent = save_dumpindent;
356 SV *pv_lim_sv = perl_get_sv("Devel::Peek::pv_limit", FALSE);
357 STRLEN pv_lim = pv_lim_sv ? SvIV(pv_lim_sv) : 0;
358 SV *dumpop = perl_get_sv("Devel::Peek::dump_ops", FALSE);
359 I32 save_dumpindent = PL_dumpindent;
362 for (i=1; i<items; i++) {
363 PerlIO_printf(Perl_debug_log, "Elt No. %ld 0x%"UVxf"\n", i - 1, PTR2UV(ST(i)));
364 do_sv_dump(0, Perl_debug_log, ST(i), 0, lim,
365 (bool)(dumpop && SvTRUE(dumpop)), pv_lim);
367 PL_dumpindent = save_dumpindent;
374 warn("dumpindent is %d", (int)PL_dumpindent);
376 op_dump(PL_main_root);
383 # PPCODE needed since otherwise sv_2mortal is inserted that will kill the value.
390 RETVAL = SvREFCNT_inc(sv);
394 # PPCODE needed since by default it is void
408 RETVAL = DeadCode(aTHX);
412 MODULE = Devel::Peek PACKAGE = Devel::Peek PREFIX = _
419 _runops_debug(int flag = -1)