Commit | Line | Data |
146174a9 |
1 | #define PERL_NO_GET_CONTEXT |
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2 | #include "EXTERN.h" |
3 | #include "perl.h" |
4 | #include "XSUB.h" |
5 | |
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6 | /*#define DBG_SUB 1 */ |
7 | /*#define DBG_TIMER 1 */ |
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8 | |
9 | #ifdef DBG_SUB |
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10 | # define DBG_SUB_NOTIFY(A,B) warn(A, B) |
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11 | #else |
12 | # define DBG_SUB_NOTIFY(A,B) /* nothing */ |
13 | #endif |
14 | |
15 | #ifdef DBG_TIMER |
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16 | # define DBG_TIMER_NOTIFY(A) warn(A) |
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17 | #else |
18 | # define DBG_TIMER_NOTIFY(A) /* nothing */ |
19 | #endif |
20 | |
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21 | /* HZ == clock ticks per second */ |
22 | #ifdef VMS |
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23 | # define HZ ((I32)CLK_TCK) |
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24 | # define DPROF_HZ HZ |
25 | # include <starlet.h> /* prototype for sys$gettim() */ |
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26 | # include <lib$routines.h> |
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27 | # define Times(ptr) (dprof_times(aTHX_ ptr)) |
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28 | #else |
29 | # ifndef HZ |
30 | # ifdef CLK_TCK |
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31 | # define HZ ((I32)CLK_TCK) |
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32 | # else |
33 | # define HZ 60 |
34 | # endif |
35 | # endif |
36 | # ifdef OS2 /* times() has significant overhead */ |
146174a9 |
37 | # define Times(ptr) (dprof_times(aTHX_ ptr)) |
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38 | # define INCL_DOSPROFILE |
39 | # define INCL_DOSERRORS |
40 | # include <os2.h> |
41 | # define toLongLong(arg) (*(long long*)&(arg)) |
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42 | # define DPROF_HZ g_dprof_ticks |
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43 | # else |
44 | # define Times(ptr) (times(ptr)) |
45 | # define DPROF_HZ HZ |
46 | # endif |
47 | #endif |
48 | |
49 | XS(XS_Devel__DProf_END); /* used by prof_mark() */ |
50 | |
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51 | /* Everything is built on times(2). See its manpage for a description |
52 | * of the timings. |
53 | */ |
54 | |
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55 | union prof_any { |
56 | clock_t tms_utime; /* cpu time spent in user space */ |
57 | clock_t tms_stime; /* cpu time spent in system */ |
58 | clock_t realtime; /* elapsed real time, in ticks */ |
59 | char *name; |
60 | U32 id; |
61 | opcode ptype; |
62 | }; |
63 | |
64 | typedef union prof_any PROFANY; |
65 | |
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66 | typedef struct { |
67 | U32 dprof_ticks; |
68 | char* out_file_name; /* output file (defaults to tmon.out) */ |
69 | PerlIO* fp; /* pointer to tmon.out file */ |
70 | long TIMES_LOCATION; /* Where in the file to store the time totals */ |
71 | int SAVE_STACK; /* How much data to buffer until end of run */ |
72 | int prof_pid; /* pid of profiled process */ |
73 | struct tms prof_start; |
74 | struct tms prof_end; |
75 | clock_t rprof_start; /* elapsed real time ticks */ |
76 | clock_t rprof_end; |
77 | clock_t wprof_u; |
78 | clock_t wprof_s; |
79 | clock_t wprof_r; |
80 | clock_t otms_utime; |
81 | clock_t otms_stime; |
82 | clock_t orealtime; |
83 | PROFANY* profstack; |
84 | int profstack_max; |
85 | int profstack_ix; |
86 | HV* cv_hash; |
87 | U32 total; |
88 | U32 lastid; |
89 | U32 default_perldb; |
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90 | UV depth; |
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91 | #ifdef OS2 |
92 | ULONG frequ; |
93 | long long start_cnt; |
94 | #endif |
95 | #ifdef PERL_IMPLICIT_CONTEXT |
96 | # define register |
97 | pTHX; |
98 | # undef register |
99 | #endif |
100 | } prof_state_t; |
101 | |
102 | prof_state_t g_prof_state; |
103 | |
104 | #define g_dprof_ticks g_prof_state.dprof_ticks |
105 | #define g_out_file_name g_prof_state.out_file_name |
106 | #define g_fp g_prof_state.fp |
107 | #define g_TIMES_LOCATION g_prof_state.TIMES_LOCATION |
108 | #define g_SAVE_STACK g_prof_state.SAVE_STACK |
109 | #define g_prof_pid g_prof_state.prof_pid |
110 | #define g_prof_start g_prof_state.prof_start |
111 | #define g_prof_end g_prof_state.prof_end |
112 | #define g_rprof_start g_prof_state.rprof_start |
113 | #define g_rprof_end g_prof_state.rprof_end |
114 | #define g_wprof_u g_prof_state.wprof_u |
115 | #define g_wprof_s g_prof_state.wprof_s |
116 | #define g_wprof_r g_prof_state.wprof_r |
117 | #define g_otms_utime g_prof_state.otms_utime |
118 | #define g_otms_stime g_prof_state.otms_stime |
119 | #define g_orealtime g_prof_state.orealtime |
120 | #define g_profstack g_prof_state.profstack |
121 | #define g_profstack_max g_prof_state.profstack_max |
122 | #define g_profstack_ix g_prof_state.profstack_ix |
123 | #define g_cv_hash g_prof_state.cv_hash |
124 | #define g_total g_prof_state.total |
125 | #define g_lastid g_prof_state.lastid |
126 | #define g_default_perldb g_prof_state.default_perldb |
127 | #define g_depth g_prof_state.depth |
128 | #ifdef PERL_IMPLICIT_CONTEXT |
129 | # define g_THX g_prof_state.aTHX |
130 | #endif |
131 | #ifdef OS2 |
132 | # define g_frequ g_prof_state.frequ |
133 | # define g_start_cnt g_prof_state.start_cnt |
134 | #endif |
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135 | |
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136 | clock_t |
137 | dprof_times(pTHX_ struct tms *t) |
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138 | { |
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139 | #ifdef OS2 |
140 | ULONG rc; |
141 | QWORD cnt; |
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142 | STRLEN n_a; |
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143 | |
144 | if (!g_frequ) { |
145 | if (CheckOSError(DosTmrQueryFreq(&g_frequ))) |
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146 | croak("DosTmrQueryFreq: %s", SvPV(perl_get_sv("!",TRUE),n_a)); |
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147 | else |
148 | g_frequ = g_frequ/DPROF_HZ; /* count per tick */ |
149 | if (CheckOSError(DosTmrQueryTime(&cnt))) |
150 | croak("DosTmrQueryTime: %s", |
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151 | SvPV(perl_get_sv("!",TRUE), n_a)); |
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152 | g_start_cnt = toLongLong(cnt); |
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153 | } |
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154 | |
155 | if (CheckOSError(DosTmrQueryTime(&cnt))) |
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156 | croak("DosTmrQueryTime: %s", SvPV(perl_get_sv("!",TRUE), n_a)); |
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157 | t->tms_stime = 0; |
158 | return (t->tms_utime = (toLongLong(cnt) - g_start_cnt)/g_frequ); |
159 | #else /* !OS2 */ |
160 | # ifdef VMS |
161 | clock_t retval; |
162 | /* Get wall time and convert to 10 ms intervals to |
163 | * produce the return value dprof expects */ |
164 | # if defined(__DECC) && defined (__ALPHA) |
165 | # include <ints.h> |
166 | uint64 vmstime; |
167 | _ckvmssts(sys$gettim(&vmstime)); |
168 | vmstime /= 100000; |
169 | retval = vmstime & 0x7fffffff; |
170 | # else |
171 | /* (Older hw or ccs don't have an atomic 64-bit type, so we |
172 | * juggle 32-bit ints (and a float) to produce a time_t result |
173 | * with minimal loss of information.) */ |
174 | long int vmstime[2],remainder,divisor = 100000; |
175 | _ckvmssts(sys$gettim((unsigned long int *)vmstime)); |
176 | vmstime[1] &= 0x7fff; /* prevent overflow in EDIV */ |
177 | _ckvmssts(lib$ediv(&divisor,vmstime,(long int *)&retval,&remainder)); |
178 | # endif |
179 | /* Fill in the struct tms using the CRTL routine . . .*/ |
180 | times((tbuffer_t *)t); |
181 | return (clock_t) retval; |
182 | # else /* !VMS && !OS2 */ |
183 | return times(t); |
184 | # endif |
185 | #endif |
186 | } |
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187 | |
188 | static void |
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189 | prof_dumpa(pTHX_ opcode ptype, U32 id) |
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190 | { |
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191 | if (ptype == OP_LEAVESUB) { |
192 | PerlIO_printf(g_fp,"- %"UVxf"\n", (UV)id); |
193 | } |
194 | else if(ptype == OP_ENTERSUB) { |
195 | PerlIO_printf(g_fp,"+ %"UVxf"\n", (UV)id); |
196 | } |
197 | else if(ptype == OP_GOTO) { |
198 | PerlIO_printf(g_fp,"* %"UVxf"\n", (UV)id); |
199 | } |
200 | else if(ptype == OP_DIE) { |
201 | PerlIO_printf(g_fp,"/ %"UVxf"\n", (UV)id); |
202 | } |
203 | else { |
204 | PerlIO_printf(g_fp,"Profiler unknown prof code %d\n", ptype); |
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205 | } |
206 | } |
207 | |
208 | static void |
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209 | prof_dumps(pTHX_ U32 id, char *pname, char *gname) |
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210 | { |
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211 | PerlIO_printf(g_fp,"& %"UVxf" %s %s\n", (UV)id, pname, gname); |
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212 | } |
213 | |
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214 | static void |
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215 | prof_dumpt(pTHX_ long tms_utime, long tms_stime, long realtime) |
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216 | { |
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217 | PerlIO_printf(g_fp,"@ %ld %ld %ld\n", tms_utime, tms_stime, realtime); |
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218 | } |
219 | |
220 | static void |
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221 | prof_dump_until(pTHX_ long ix) |
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222 | { |
223 | long base = 0; |
224 | struct tms t1, t2; |
225 | clock_t realtime1, realtime2; |
226 | |
227 | realtime1 = Times(&t1); |
228 | |
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229 | while (base < ix) { |
230 | opcode ptype = g_profstack[base++].ptype; |
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231 | if (ptype == OP_TIME) { |
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232 | long tms_utime = g_profstack[base++].tms_utime; |
233 | long tms_stime = g_profstack[base++].tms_stime; |
234 | long realtime = g_profstack[base++].realtime; |
235 | |
236 | prof_dumpt(aTHX_ tms_utime, tms_stime, realtime); |
237 | } |
238 | else if (ptype == OP_GV) { |
239 | U32 id = g_profstack[base++].id; |
240 | char *pname = g_profstack[base++].name; |
241 | char *gname = g_profstack[base++].name; |
242 | |
243 | prof_dumps(aTHX_ id, pname, gname); |
244 | } |
245 | else { |
246 | U32 id = g_profstack[base++].id; |
247 | prof_dumpa(aTHX_ ptype, id); |
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248 | } |
249 | } |
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250 | PerlIO_flush(g_fp); |
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251 | realtime2 = Times(&t2); |
252 | if (realtime2 != realtime1 || t1.tms_utime != t2.tms_utime |
253 | || t1.tms_stime != t2.tms_stime) { |
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254 | g_wprof_r += realtime2 - realtime1; |
255 | g_wprof_u += t2.tms_utime - t1.tms_utime; |
256 | g_wprof_s += t2.tms_stime - t1.tms_stime; |
257 | |
258 | PerlIO_printf(g_fp,"+ & Devel::DProf::write\n"); |
259 | PerlIO_printf(g_fp,"@ %"IVdf" %"IVdf" %"IVdf"\n", |
260 | /* The (IV) casts are one possibility: |
261 | * the Painfully Correct Way would be to |
262 | * have Clock_t_f. */ |
263 | (IV)(t2.tms_utime - t1.tms_utime), |
264 | (IV)(t2.tms_stime - t1.tms_stime), |
265 | (IV)(realtime2 - realtime1)); |
266 | PerlIO_printf(g_fp,"- & Devel::DProf::write\n"); |
267 | g_otms_utime = t2.tms_utime; |
268 | g_otms_stime = t2.tms_stime; |
269 | g_orealtime = realtime2; |
270 | PerlIO_flush(g_fp); |
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271 | } |
272 | } |
273 | |
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274 | static void |
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275 | prof_mark(pTHX_ opcode ptype) |
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276 | { |
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277 | struct tms t; |
278 | clock_t realtime, rdelta, udelta, sdelta; |
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279 | U32 id; |
280 | SV *Sub = GvSV(PL_DBsub); /* name of current sub */ |
281 | |
282 | if (g_SAVE_STACK) { |
283 | if (g_profstack_ix + 5 > g_profstack_max) { |
284 | g_profstack_max = g_profstack_max * 3 / 2; |
285 | Renew(g_profstack, g_profstack_max, PROFANY); |
286 | } |
287 | } |
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288 | |
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289 | realtime = Times(&t); |
290 | rdelta = realtime - g_orealtime; |
291 | udelta = t.tms_utime - g_otms_utime; |
292 | sdelta = t.tms_stime - g_otms_stime; |
293 | if (rdelta || udelta || sdelta) { |
294 | if (g_SAVE_STACK) { |
295 | g_profstack[g_profstack_ix++].ptype = OP_TIME; |
296 | g_profstack[g_profstack_ix++].tms_utime = udelta; |
297 | g_profstack[g_profstack_ix++].tms_stime = sdelta; |
298 | g_profstack[g_profstack_ix++].realtime = rdelta; |
299 | } |
300 | else { /* Write it to disk now so's not to eat up core */ |
301 | if (g_prof_pid == (int)getpid()) { |
302 | prof_dumpt(aTHX_ udelta, sdelta, rdelta); |
303 | PerlIO_flush(g_fp); |
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304 | } |
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305 | } |
146174a9 |
306 | g_orealtime = realtime; |
307 | g_otms_stime = t.tms_stime; |
308 | g_otms_utime = t.tms_utime; |
309 | } |
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310 | |
146174a9 |
311 | { |
312 | SV **svp; |
313 | char *gname, *pname; |
314 | CV *cv; |
315 | |
316 | cv = INT2PTR(CV*,SvIVX(Sub)); |
317 | svp = hv_fetch(g_cv_hash, (char*)&cv, sizeof(CV*), TRUE); |
318 | if (!SvOK(*svp)) { |
319 | GV *gv = CvGV(cv); |
320 | |
321 | sv_setiv(*svp, id = ++g_lastid); |
322 | pname = ((GvSTASH(gv) && HvNAME(GvSTASH(gv))) |
323 | ? HvNAME(GvSTASH(gv)) |
324 | : "(null)"); |
325 | gname = GvNAME(gv); |
326 | if (CvXSUB(cv) == XS_Devel__DProf_END) |
327 | return; |
328 | if (g_SAVE_STACK) { /* Store it for later recording -JH */ |
329 | g_profstack[g_profstack_ix++].ptype = OP_GV; |
330 | g_profstack[g_profstack_ix++].id = id; |
331 | g_profstack[g_profstack_ix++].name = pname; |
332 | g_profstack[g_profstack_ix++].name = gname; |
333 | } |
334 | else { /* Write it to disk now so's not to eat up core */ |
335 | /* Only record the parent's info */ |
336 | if (g_prof_pid == (int)getpid()) { |
337 | prof_dumps(aTHX_ id, pname, gname); |
338 | PerlIO_flush(g_fp); |
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339 | } |
146174a9 |
340 | else |
341 | PL_perldb = 0; /* Do not debug the kid. */ |
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342 | } |
343 | } |
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344 | else { |
345 | id = SvIV(*svp); |
346 | } |
347 | } |
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348 | |
146174a9 |
349 | g_total++; |
350 | if (g_SAVE_STACK) { /* Store it for later recording -JH */ |
351 | g_profstack[g_profstack_ix++].ptype = ptype; |
352 | g_profstack[g_profstack_ix++].id = id; |
353 | |
354 | /* Only record the parent's info */ |
355 | if (g_SAVE_STACK < g_profstack_ix) { |
356 | if (g_prof_pid == (int)getpid()) |
357 | prof_dump_until(aTHX_ g_profstack_ix); |
358 | else |
359 | PL_perldb = 0; /* Do not debug the kid. */ |
360 | g_profstack_ix = 0; |
361 | } |
362 | } |
363 | else { /* Write it to disk now so's not to eat up core */ |
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364 | |
146174a9 |
365 | /* Only record the parent's info */ |
366 | if (g_prof_pid == (int)getpid()) { |
367 | prof_dumpa(aTHX_ ptype, id); |
368 | PerlIO_flush(g_fp); |
369 | } |
370 | else |
371 | PL_perldb = 0; /* Do not debug the kid. */ |
372 | } |
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373 | } |
374 | |
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375 | #ifdef PL_NEEDED |
376 | # define defstash PL_defstash |
377 | #endif |
378 | |
379 | /* Counts overhead of prof_mark and extra XS call. */ |
380 | static void |
146174a9 |
381 | test_time(pTHX_ clock_t *r, clock_t *u, clock_t *s) |
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382 | { |
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383 | CV *cv = perl_get_cv("Devel::DProf::NONESUCH_noxs", FALSE); |
384 | int i, j, k = 0; |
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385 | HV *oldstash = PL_curstash; |
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386 | struct tms t1, t2; |
9c5ffd7c |
387 | clock_t realtime1 = 0, realtime2 = 0; |
146174a9 |
388 | U32 ototal = g_total; |
389 | U32 ostack = g_SAVE_STACK; |
390 | U32 operldb = PL_perldb; |
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391 | |
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392 | g_SAVE_STACK = 1000000; |
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393 | realtime1 = Times(&t1); |
394 | |
395 | while (k < 2) { |
396 | i = 0; |
397 | /* Disable debugging of perl_call_sv on second pass: */ |
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398 | PL_curstash = (k == 0 ? PL_defstash : PL_debstash); |
399 | PL_perldb = g_default_perldb; |
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400 | while (++i <= 100) { |
401 | j = 0; |
146174a9 |
402 | g_profstack_ix = 0; /* Do not let the stack grow */ |
583a019e |
403 | while (++j <= 100) { |
146174a9 |
404 | /* prof_mark(aTHX_ OP_ENTERSUB); */ |
583a019e |
405 | |
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406 | PUSHMARK(PL_stack_sp); |
407 | perl_call_sv((SV*)cv, G_SCALAR); |
408 | PL_stack_sp--; |
409 | /* prof_mark(aTHX_ OP_LEAVESUB); */ |
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410 | } |
411 | } |
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412 | PL_curstash = oldstash; |
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413 | if (k == 0) { /* Put time with debugging */ |
414 | realtime2 = Times(&t2); |
415 | *r = realtime2 - realtime1; |
416 | *u = t2.tms_utime - t1.tms_utime; |
417 | *s = t2.tms_stime - t1.tms_stime; |
146174a9 |
418 | } |
419 | else { /* Subtract time without debug */ |
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420 | realtime1 = Times(&t1); |
421 | *r -= realtime1 - realtime2; |
422 | *u -= t1.tms_utime - t2.tms_utime; |
423 | *s -= t1.tms_stime - t2.tms_stime; |
424 | } |
425 | k++; |
426 | } |
146174a9 |
427 | g_total = ototal; |
428 | g_SAVE_STACK = ostack; |
429 | PL_perldb = operldb; |
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430 | } |
431 | |
432 | static void |
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433 | prof_recordheader(pTHX) |
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434 | { |
146174a9 |
435 | clock_t r, u, s; |
436 | |
437 | /* g_fp is opened in the BOOT section */ |
438 | PerlIO_printf(g_fp, "#fOrTyTwO\n"); |
439 | PerlIO_printf(g_fp, "$hz=%"IVdf";\n", (IV)DPROF_HZ); |
440 | PerlIO_printf(g_fp, "$XS_VERSION='DProf %s';\n", XS_VERSION); |
441 | PerlIO_printf(g_fp, "# All values are given in HZ\n"); |
442 | test_time(aTHX_ &r, &u, &s); |
443 | PerlIO_printf(g_fp, |
444 | "$over_utime=%"IVdf"; $over_stime=%"IVdf"; $over_rtime=%"IVdf";\n", |
445 | /* The (IV) casts are one possibility: |
446 | * the Painfully Correct Way would be to |
447 | * have Clock_t_f. */ |
448 | (IV)u, (IV)s, (IV)r); |
449 | PerlIO_printf(g_fp, "$over_tests=10000;\n"); |
450 | |
451 | g_TIMES_LOCATION = PerlIO_tell(g_fp); |
452 | |
453 | /* Pad with whitespace. */ |
454 | /* This should be enough even for very large numbers. */ |
455 | PerlIO_printf(g_fp, "%*s\n", 240 , ""); |
456 | |
457 | PerlIO_printf(g_fp, "\n"); |
458 | PerlIO_printf(g_fp, "PART2\n"); |
459 | |
460 | PerlIO_flush(g_fp); |
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461 | } |
462 | |
463 | static void |
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464 | prof_record(pTHX) |
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465 | { |
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466 | /* g_fp is opened in the BOOT section */ |
467 | |
468 | /* Now that we know the runtimes, fill them in at the recorded |
469 | location -JH */ |
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470 | |
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471 | if (g_SAVE_STACK) { |
472 | prof_dump_until(aTHX_ g_profstack_ix); |
473 | } |
474 | PerlIO_seek(g_fp, g_TIMES_LOCATION, SEEK_SET); |
475 | /* Write into reserved 240 bytes: */ |
476 | PerlIO_printf(g_fp, |
477 | "$rrun_utime=%"IVdf"; $rrun_stime=%"IVdf"; $rrun_rtime=%"IVdf";", |
478 | /* The (IV) casts are one possibility: |
479 | * the Painfully Correct Way would be to |
480 | * have Clock_t_f. */ |
481 | (IV)(g_prof_end.tms_utime-g_prof_start.tms_utime-g_wprof_u), |
482 | (IV)(g_prof_end.tms_stime-g_prof_start.tms_stime-g_wprof_s), |
483 | (IV)(g_rprof_end-g_rprof_start-g_wprof_r)); |
484 | PerlIO_printf(g_fp, "\n$total_marks=%"IVdf, (IV)g_total); |
583a019e |
485 | |
146174a9 |
486 | PerlIO_close(g_fp); |
583a019e |
487 | } |
488 | |
489 | #define NONESUCH() |
490 | |
583a019e |
491 | static void |
d7b9cf63 |
492 | check_depth(pTHX_ void *foo) |
583a019e |
493 | { |
4b19af01 |
494 | U32 need_depth = PTR2UV(foo); |
146174a9 |
495 | if (need_depth != g_depth) { |
496 | if (need_depth > g_depth) { |
583a019e |
497 | warn("garbled call depth when profiling"); |
146174a9 |
498 | } |
499 | else { |
425d70b4 |
500 | IV marks = g_depth - need_depth; |
583a019e |
501 | |
146174a9 |
502 | /* warn("Check_depth: got %d, expected %d\n", g_depth, need_depth); */ |
583a019e |
503 | while (marks--) { |
146174a9 |
504 | prof_mark(aTHX_ OP_DIE); |
583a019e |
505 | } |
146174a9 |
506 | g_depth = need_depth; |
583a019e |
507 | } |
508 | } |
509 | } |
510 | |
511 | #define for_real |
512 | #ifdef for_real |
513 | |
514 | XS(XS_DB_sub) |
515 | { |
c6c619a9 |
516 | dMARK; |
146174a9 |
517 | dORIGMARK; |
518 | SV *Sub = GvSV(PL_DBsub); /* name of current sub */ |
519 | |
520 | #ifdef PERL_IMPLICIT_CONTEXT |
521 | /* profile only the interpreter that loaded us */ |
522 | if (g_THX != aTHX) { |
523 | PUSHMARK(ORIGMARK); |
524 | perl_call_sv(INT2PTR(SV*,SvIV(Sub)), GIMME | G_NODEBUG); |
525 | } |
526 | else |
527 | #endif |
528 | { |
529 | HV *oldstash = PL_curstash; |
583a019e |
530 | |
cb50131a |
531 | DBG_SUB_NOTIFY("XS DBsub(%s)\n", SvPV_nolen(Sub)); |
583a019e |
532 | |
a6f8e609 |
533 | SAVEDESTRUCTOR_X(check_depth, INT2PTR(void*,g_depth)); |
146174a9 |
534 | g_depth++; |
583a019e |
535 | |
146174a9 |
536 | prof_mark(aTHX_ OP_ENTERSUB); |
537 | PUSHMARK(ORIGMARK); |
538 | perl_call_sv(INT2PTR(SV*,SvIV(Sub)), GIMME | G_NODEBUG); |
8063af02 |
539 | PL_curstash = oldstash; |
146174a9 |
540 | prof_mark(aTHX_ OP_LEAVESUB); |
541 | g_depth--; |
542 | } |
543 | return; |
583a019e |
544 | } |
545 | |
546 | XS(XS_DB_goto) |
547 | { |
146174a9 |
548 | #ifdef PERL_IMPLICIT_CONTEXT |
549 | if (g_THX == aTHX) |
550 | #endif |
551 | { |
552 | prof_mark(aTHX_ OP_GOTO); |
583a019e |
553 | return; |
146174a9 |
554 | } |
583a019e |
555 | } |
556 | |
557 | #endif /* for_real */ |
558 | |
559 | #ifdef testing |
560 | |
561 | MODULE = Devel::DProf PACKAGE = DB |
562 | |
563 | void |
564 | sub(...) |
146174a9 |
565 | PPCODE: |
566 | { |
583a019e |
567 | dORIGMARK; |
146174a9 |
568 | HV *oldstash = PL_curstash; |
569 | SV *Sub = GvSV(PL_DBsub); /* name of current sub */ |
583a019e |
570 | /* SP -= items; added by xsubpp */ |
cb50131a |
571 | DBG_SUB_NOTIFY("XS DBsub(%s)\n", SvPV_nolen(Sub)); |
583a019e |
572 | |
146174a9 |
573 | sv_setiv(PL_DBsingle, 0); /* disable DB single-stepping */ |
583a019e |
574 | |
146174a9 |
575 | prof_mark(aTHX_ OP_ENTERSUB); |
576 | PUSHMARK(ORIGMARK); |
583a019e |
577 | |
146174a9 |
578 | PL_curstash = PL_debstash; /* To disable debugging of perl_call_sv */ |
579 | perl_call_sv(Sub, GIMME); |
580 | PL_curstash = oldstash; |
583a019e |
581 | |
146174a9 |
582 | prof_mark(aTHX_ OP_LEAVESUB); |
583a019e |
583 | SPAGAIN; |
584 | /* PUTBACK; added by xsubpp */ |
146174a9 |
585 | } |
583a019e |
586 | |
587 | #endif /* testing */ |
588 | |
589 | MODULE = Devel::DProf PACKAGE = Devel::DProf |
590 | |
591 | void |
592 | END() |
146174a9 |
593 | PPCODE: |
594 | { |
595 | if (PL_DBsub) { |
596 | /* maybe the process forked--we want only |
597 | * the parent's profile. |
598 | */ |
599 | if ( |
600 | #ifdef PERL_IMPLICIT_CONTEXT |
601 | g_THX == aTHX && |
602 | #endif |
603 | g_prof_pid == (int)getpid()) |
604 | { |
605 | g_rprof_end = Times(&g_prof_end); |
606 | DBG_TIMER_NOTIFY("Profiler timer is off.\n"); |
607 | prof_record(aTHX); |
608 | } |
609 | } |
610 | } |
583a019e |
611 | |
612 | void |
613 | NONESUCH() |
614 | |
615 | BOOT: |
146174a9 |
616 | { |
617 | g_TIMES_LOCATION = 42; |
618 | g_SAVE_STACK = 1<<14; |
619 | g_profstack_max = 128; |
620 | #ifdef PERL_IMPLICIT_CONTEXT |
621 | g_THX = aTHX; |
622 | #endif |
623 | |
583a019e |
624 | /* Before we go anywhere make sure we were invoked |
625 | * properly, else we'll dump core. |
626 | */ |
146174a9 |
627 | if (!PL_DBsub) |
628 | croak("DProf: run perl with -d to use DProf.\n"); |
583a019e |
629 | |
630 | /* When we hook up the XS DB::sub we'll be redefining |
631 | * the DB::sub from the PM file. Turn off warnings |
632 | * while we do this. |
633 | */ |
634 | { |
146174a9 |
635 | I32 warn_tmp = PL_dowarn; |
636 | PL_dowarn = 0; |
637 | newXS("DB::sub", XS_DB_sub, file); |
638 | newXS("DB::goto", XS_DB_goto, file); |
639 | PL_dowarn = warn_tmp; |
583a019e |
640 | } |
641 | |
146174a9 |
642 | sv_setiv(PL_DBsingle, 0); /* disable DB single-stepping */ |
583a019e |
643 | |
644 | { |
645 | char *buffer = getenv("PERL_DPROF_BUFFER"); |
646 | |
647 | if (buffer) { |
146174a9 |
648 | g_SAVE_STACK = atoi(buffer); |
583a019e |
649 | } |
650 | |
651 | buffer = getenv("PERL_DPROF_TICKS"); |
652 | |
653 | if (buffer) { |
146174a9 |
654 | g_dprof_ticks = atoi(buffer); /* Used under OS/2 only */ |
655 | } |
656 | else { |
657 | g_dprof_ticks = HZ; |
583a019e |
658 | } |
583a019e |
659 | |
146174a9 |
660 | buffer = getenv("PERL_DPROF_OUT_FILE_NAME"); |
661 | g_out_file_name = savepv(buffer ? buffer : "tmon.out"); |
662 | } |
583a019e |
663 | |
146174a9 |
664 | if ((g_fp = PerlIO_open(g_out_file_name, "w")) == NULL) |
665 | croak("DProf: unable to write '%s', errno = %d\n", |
666 | g_out_file_name, errno); |
583a019e |
667 | |
146174a9 |
668 | g_default_perldb = PERLDBf_NONAME | PERLDBf_SUB | PERLDBf_GOTO; |
669 | g_cv_hash = newHV(); |
670 | g_prof_pid = (int)getpid(); |
583a019e |
671 | |
146174a9 |
672 | New(0, g_profstack, g_profstack_max, PROFANY); |
673 | prof_recordheader(aTHX); |
583a019e |
674 | DBG_TIMER_NOTIFY("Profiler timer is on.\n"); |
146174a9 |
675 | g_orealtime = g_rprof_start = Times(&g_prof_start); |
676 | g_otms_utime = g_prof_start.tms_utime; |
677 | g_otms_stime = g_prof_start.tms_stime; |
678 | PL_perldb = g_default_perldb; |
679 | } |