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146174a9 |
1 | #define PERL_NO_GET_CONTEXT |
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2 | #include "EXTERN.h" |
3 | #include "perl.h" |
4 | #include "XSUB.h" |
5 | |
94277a97 |
6 | /* define DBG_SUB to cause a warning on each subroutine entry. */ |
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7 | /*#define DBG_SUB 1 */ |
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8 | |
9 | /* define DBG_TIMER to cause a warning when the timer is turned on and off. */ |
10 | /*#define DBG_TIMER 1 */ |
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11 | |
12 | #ifdef DBG_SUB |
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13 | # define DBG_SUB_NOTIFY(A) dprof_dbg_sub_notify(A) |
14 | void |
15 | dprof_dbg_sub_notify(SV *Sub) { |
16 | CV *cv = INT2PTR(CV*,SvIVX(Sub)); |
17 | GV *gv = cv ? CvGV(cv) : NULL; |
18 | if (cv && gv) { |
19 | warn("XS DBsub(%s::%s)\n", |
20 | ((GvSTASH(gv) && HvNAME(GvSTASH(gv))) ? |
21 | HvNAME(GvSTASH(gv)) : "(null)"), |
22 | GvNAME(gv)); |
23 | } else { |
24 | warn("XS DBsub(unknown) at %x", Sub); |
25 | } |
26 | } |
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27 | #else |
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28 | # define DBG_SUB_NOTIFY(A) /* nothing */ |
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29 | #endif |
30 | |
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31 | |
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32 | #ifdef DBG_TIMER |
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33 | # define DBG_TIMER_NOTIFY(A) warn(A) |
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34 | #else |
35 | # define DBG_TIMER_NOTIFY(A) /* nothing */ |
36 | #endif |
37 | |
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38 | /* HZ == clock ticks per second */ |
39 | #ifdef VMS |
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40 | # define HZ ((I32)CLK_TCK) |
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41 | # define DPROF_HZ HZ |
42 | # include <starlet.h> /* prototype for sys$gettim() */ |
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43 | # include <lib$routines.h> |
146174a9 |
44 | # define Times(ptr) (dprof_times(aTHX_ ptr)) |
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45 | #else |
46 | # ifndef HZ |
47 | # ifdef CLK_TCK |
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48 | # define HZ ((I32)CLK_TCK) |
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49 | # else |
50 | # define HZ 60 |
51 | # endif |
52 | # endif |
53 | # ifdef OS2 /* times() has significant overhead */ |
146174a9 |
54 | # define Times(ptr) (dprof_times(aTHX_ ptr)) |
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55 | # define INCL_DOSPROFILE |
56 | # define INCL_DOSERRORS |
57 | # include <os2.h> |
58 | # define toLongLong(arg) (*(long long*)&(arg)) |
146174a9 |
59 | # define DPROF_HZ g_dprof_ticks |
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60 | # else |
61 | # define Times(ptr) (times(ptr)) |
62 | # define DPROF_HZ HZ |
63 | # endif |
64 | #endif |
65 | |
66 | XS(XS_Devel__DProf_END); /* used by prof_mark() */ |
67 | |
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68 | /* Everything is built on times(2). See its manpage for a description |
69 | * of the timings. |
70 | */ |
71 | |
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72 | union prof_any { |
73 | clock_t tms_utime; /* cpu time spent in user space */ |
74 | clock_t tms_stime; /* cpu time spent in system */ |
75 | clock_t realtime; /* elapsed real time, in ticks */ |
76 | char *name; |
77 | U32 id; |
78 | opcode ptype; |
79 | }; |
80 | |
81 | typedef union prof_any PROFANY; |
82 | |
146174a9 |
83 | typedef struct { |
84 | U32 dprof_ticks; |
85 | char* out_file_name; /* output file (defaults to tmon.out) */ |
86 | PerlIO* fp; /* pointer to tmon.out file */ |
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87 | Off_t TIMES_LOCATION; /* Where in the file to store the time totals */ |
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88 | int SAVE_STACK; /* How much data to buffer until end of run */ |
89 | int prof_pid; /* pid of profiled process */ |
90 | struct tms prof_start; |
91 | struct tms prof_end; |
92 | clock_t rprof_start; /* elapsed real time ticks */ |
93 | clock_t rprof_end; |
94 | clock_t wprof_u; |
95 | clock_t wprof_s; |
96 | clock_t wprof_r; |
97 | clock_t otms_utime; |
98 | clock_t otms_stime; |
99 | clock_t orealtime; |
100 | PROFANY* profstack; |
101 | int profstack_max; |
102 | int profstack_ix; |
103 | HV* cv_hash; |
104 | U32 total; |
105 | U32 lastid; |
106 | U32 default_perldb; |
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107 | UV depth; |
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108 | #ifdef OS2 |
109 | ULONG frequ; |
110 | long long start_cnt; |
111 | #endif |
112 | #ifdef PERL_IMPLICIT_CONTEXT |
113 | # define register |
114 | pTHX; |
115 | # undef register |
116 | #endif |
117 | } prof_state_t; |
118 | |
119 | prof_state_t g_prof_state; |
120 | |
121 | #define g_dprof_ticks g_prof_state.dprof_ticks |
122 | #define g_out_file_name g_prof_state.out_file_name |
123 | #define g_fp g_prof_state.fp |
124 | #define g_TIMES_LOCATION g_prof_state.TIMES_LOCATION |
125 | #define g_SAVE_STACK g_prof_state.SAVE_STACK |
126 | #define g_prof_pid g_prof_state.prof_pid |
127 | #define g_prof_start g_prof_state.prof_start |
128 | #define g_prof_end g_prof_state.prof_end |
129 | #define g_rprof_start g_prof_state.rprof_start |
130 | #define g_rprof_end g_prof_state.rprof_end |
131 | #define g_wprof_u g_prof_state.wprof_u |
132 | #define g_wprof_s g_prof_state.wprof_s |
133 | #define g_wprof_r g_prof_state.wprof_r |
134 | #define g_otms_utime g_prof_state.otms_utime |
135 | #define g_otms_stime g_prof_state.otms_stime |
136 | #define g_orealtime g_prof_state.orealtime |
137 | #define g_profstack g_prof_state.profstack |
138 | #define g_profstack_max g_prof_state.profstack_max |
139 | #define g_profstack_ix g_prof_state.profstack_ix |
140 | #define g_cv_hash g_prof_state.cv_hash |
141 | #define g_total g_prof_state.total |
142 | #define g_lastid g_prof_state.lastid |
143 | #define g_default_perldb g_prof_state.default_perldb |
144 | #define g_depth g_prof_state.depth |
145 | #ifdef PERL_IMPLICIT_CONTEXT |
146 | # define g_THX g_prof_state.aTHX |
147 | #endif |
148 | #ifdef OS2 |
149 | # define g_frequ g_prof_state.frequ |
150 | # define g_start_cnt g_prof_state.start_cnt |
151 | #endif |
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152 | |
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153 | clock_t |
154 | dprof_times(pTHX_ struct tms *t) |
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155 | { |
146174a9 |
156 | #ifdef OS2 |
157 | ULONG rc; |
158 | QWORD cnt; |
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159 | STRLEN n_a; |
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160 | |
161 | if (!g_frequ) { |
162 | if (CheckOSError(DosTmrQueryFreq(&g_frequ))) |
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163 | croak("DosTmrQueryFreq: %s", SvPV(perl_get_sv("!",TRUE),n_a)); |
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164 | else |
165 | g_frequ = g_frequ/DPROF_HZ; /* count per tick */ |
166 | if (CheckOSError(DosTmrQueryTime(&cnt))) |
167 | croak("DosTmrQueryTime: %s", |
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168 | SvPV(perl_get_sv("!",TRUE), n_a)); |
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169 | g_start_cnt = toLongLong(cnt); |
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170 | } |
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171 | |
172 | if (CheckOSError(DosTmrQueryTime(&cnt))) |
cb50131a |
173 | croak("DosTmrQueryTime: %s", SvPV(perl_get_sv("!",TRUE), n_a)); |
146174a9 |
174 | t->tms_stime = 0; |
175 | return (t->tms_utime = (toLongLong(cnt) - g_start_cnt)/g_frequ); |
176 | #else /* !OS2 */ |
177 | # ifdef VMS |
178 | clock_t retval; |
179 | /* Get wall time and convert to 10 ms intervals to |
180 | * produce the return value dprof expects */ |
181 | # if defined(__DECC) && defined (__ALPHA) |
182 | # include <ints.h> |
183 | uint64 vmstime; |
184 | _ckvmssts(sys$gettim(&vmstime)); |
185 | vmstime /= 100000; |
186 | retval = vmstime & 0x7fffffff; |
187 | # else |
188 | /* (Older hw or ccs don't have an atomic 64-bit type, so we |
189 | * juggle 32-bit ints (and a float) to produce a time_t result |
190 | * with minimal loss of information.) */ |
191 | long int vmstime[2],remainder,divisor = 100000; |
192 | _ckvmssts(sys$gettim((unsigned long int *)vmstime)); |
193 | vmstime[1] &= 0x7fff; /* prevent overflow in EDIV */ |
194 | _ckvmssts(lib$ediv(&divisor,vmstime,(long int *)&retval,&remainder)); |
195 | # endif |
196 | /* Fill in the struct tms using the CRTL routine . . .*/ |
197 | times((tbuffer_t *)t); |
198 | return (clock_t) retval; |
199 | # else /* !VMS && !OS2 */ |
200 | return times(t); |
201 | # endif |
202 | #endif |
203 | } |
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204 | |
205 | static void |
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206 | prof_dumpa(pTHX_ opcode ptype, U32 id) |
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207 | { |
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208 | if (ptype == OP_LEAVESUB) { |
209 | PerlIO_printf(g_fp,"- %"UVxf"\n", (UV)id); |
210 | } |
211 | else if(ptype == OP_ENTERSUB) { |
212 | PerlIO_printf(g_fp,"+ %"UVxf"\n", (UV)id); |
213 | } |
214 | else if(ptype == OP_GOTO) { |
215 | PerlIO_printf(g_fp,"* %"UVxf"\n", (UV)id); |
216 | } |
217 | else if(ptype == OP_DIE) { |
218 | PerlIO_printf(g_fp,"/ %"UVxf"\n", (UV)id); |
219 | } |
220 | else { |
221 | PerlIO_printf(g_fp,"Profiler unknown prof code %d\n", ptype); |
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222 | } |
223 | } |
224 | |
225 | static void |
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226 | prof_dumps(pTHX_ U32 id, char *pname, char *gname) |
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227 | { |
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228 | PerlIO_printf(g_fp,"& %"UVxf" %s %s\n", (UV)id, pname, gname); |
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229 | } |
230 | |
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231 | static void |
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232 | prof_dumpt(pTHX_ long tms_utime, long tms_stime, long realtime) |
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233 | { |
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234 | PerlIO_printf(g_fp,"@ %ld %ld %ld\n", tms_utime, tms_stime, realtime); |
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235 | } |
236 | |
237 | static void |
146174a9 |
238 | prof_dump_until(pTHX_ long ix) |
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239 | { |
240 | long base = 0; |
241 | struct tms t1, t2; |
242 | clock_t realtime1, realtime2; |
243 | |
244 | realtime1 = Times(&t1); |
245 | |
146174a9 |
246 | while (base < ix) { |
247 | opcode ptype = g_profstack[base++].ptype; |
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248 | if (ptype == OP_TIME) { |
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249 | long tms_utime = g_profstack[base++].tms_utime; |
250 | long tms_stime = g_profstack[base++].tms_stime; |
251 | long realtime = g_profstack[base++].realtime; |
252 | |
253 | prof_dumpt(aTHX_ tms_utime, tms_stime, realtime); |
254 | } |
255 | else if (ptype == OP_GV) { |
256 | U32 id = g_profstack[base++].id; |
257 | char *pname = g_profstack[base++].name; |
258 | char *gname = g_profstack[base++].name; |
259 | |
260 | prof_dumps(aTHX_ id, pname, gname); |
261 | } |
262 | else { |
263 | U32 id = g_profstack[base++].id; |
264 | prof_dumpa(aTHX_ ptype, id); |
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265 | } |
266 | } |
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267 | PerlIO_flush(g_fp); |
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268 | realtime2 = Times(&t2); |
269 | if (realtime2 != realtime1 || t1.tms_utime != t2.tms_utime |
270 | || t1.tms_stime != t2.tms_stime) { |
146174a9 |
271 | g_wprof_r += realtime2 - realtime1; |
272 | g_wprof_u += t2.tms_utime - t1.tms_utime; |
273 | g_wprof_s += t2.tms_stime - t1.tms_stime; |
274 | |
275 | PerlIO_printf(g_fp,"+ & Devel::DProf::write\n"); |
276 | PerlIO_printf(g_fp,"@ %"IVdf" %"IVdf" %"IVdf"\n", |
277 | /* The (IV) casts are one possibility: |
278 | * the Painfully Correct Way would be to |
279 | * have Clock_t_f. */ |
280 | (IV)(t2.tms_utime - t1.tms_utime), |
281 | (IV)(t2.tms_stime - t1.tms_stime), |
282 | (IV)(realtime2 - realtime1)); |
283 | PerlIO_printf(g_fp,"- & Devel::DProf::write\n"); |
284 | g_otms_utime = t2.tms_utime; |
285 | g_otms_stime = t2.tms_stime; |
286 | g_orealtime = realtime2; |
287 | PerlIO_flush(g_fp); |
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288 | } |
289 | } |
290 | |
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291 | static void |
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292 | prof_mark(pTHX_ opcode ptype) |
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293 | { |
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294 | struct tms t; |
295 | clock_t realtime, rdelta, udelta, sdelta; |
146174a9 |
296 | U32 id; |
297 | SV *Sub = GvSV(PL_DBsub); /* name of current sub */ |
298 | |
299 | if (g_SAVE_STACK) { |
300 | if (g_profstack_ix + 5 > g_profstack_max) { |
301 | g_profstack_max = g_profstack_max * 3 / 2; |
302 | Renew(g_profstack, g_profstack_max, PROFANY); |
303 | } |
304 | } |
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305 | |
146174a9 |
306 | realtime = Times(&t); |
307 | rdelta = realtime - g_orealtime; |
308 | udelta = t.tms_utime - g_otms_utime; |
309 | sdelta = t.tms_stime - g_otms_stime; |
310 | if (rdelta || udelta || sdelta) { |
311 | if (g_SAVE_STACK) { |
312 | g_profstack[g_profstack_ix++].ptype = OP_TIME; |
313 | g_profstack[g_profstack_ix++].tms_utime = udelta; |
314 | g_profstack[g_profstack_ix++].tms_stime = sdelta; |
315 | g_profstack[g_profstack_ix++].realtime = rdelta; |
316 | } |
317 | else { /* Write it to disk now so's not to eat up core */ |
318 | if (g_prof_pid == (int)getpid()) { |
319 | prof_dumpt(aTHX_ udelta, sdelta, rdelta); |
320 | PerlIO_flush(g_fp); |
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321 | } |
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322 | } |
146174a9 |
323 | g_orealtime = realtime; |
324 | g_otms_stime = t.tms_stime; |
325 | g_otms_utime = t.tms_utime; |
326 | } |
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327 | |
146174a9 |
328 | { |
329 | SV **svp; |
330 | char *gname, *pname; |
331 | CV *cv; |
332 | |
333 | cv = INT2PTR(CV*,SvIVX(Sub)); |
334 | svp = hv_fetch(g_cv_hash, (char*)&cv, sizeof(CV*), TRUE); |
335 | if (!SvOK(*svp)) { |
336 | GV *gv = CvGV(cv); |
337 | |
338 | sv_setiv(*svp, id = ++g_lastid); |
339 | pname = ((GvSTASH(gv) && HvNAME(GvSTASH(gv))) |
340 | ? HvNAME(GvSTASH(gv)) |
341 | : "(null)"); |
342 | gname = GvNAME(gv); |
343 | if (CvXSUB(cv) == XS_Devel__DProf_END) |
344 | return; |
345 | if (g_SAVE_STACK) { /* Store it for later recording -JH */ |
346 | g_profstack[g_profstack_ix++].ptype = OP_GV; |
347 | g_profstack[g_profstack_ix++].id = id; |
348 | g_profstack[g_profstack_ix++].name = pname; |
349 | g_profstack[g_profstack_ix++].name = gname; |
350 | } |
351 | else { /* Write it to disk now so's not to eat up core */ |
352 | /* Only record the parent's info */ |
353 | if (g_prof_pid == (int)getpid()) { |
354 | prof_dumps(aTHX_ id, pname, gname); |
355 | PerlIO_flush(g_fp); |
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356 | } |
146174a9 |
357 | else |
358 | PL_perldb = 0; /* Do not debug the kid. */ |
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359 | } |
360 | } |
146174a9 |
361 | else { |
362 | id = SvIV(*svp); |
363 | } |
364 | } |
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365 | |
146174a9 |
366 | g_total++; |
367 | if (g_SAVE_STACK) { /* Store it for later recording -JH */ |
368 | g_profstack[g_profstack_ix++].ptype = ptype; |
369 | g_profstack[g_profstack_ix++].id = id; |
370 | |
371 | /* Only record the parent's info */ |
372 | if (g_SAVE_STACK < g_profstack_ix) { |
373 | if (g_prof_pid == (int)getpid()) |
374 | prof_dump_until(aTHX_ g_profstack_ix); |
375 | else |
376 | PL_perldb = 0; /* Do not debug the kid. */ |
377 | g_profstack_ix = 0; |
378 | } |
379 | } |
380 | else { /* Write it to disk now so's not to eat up core */ |
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381 | |
146174a9 |
382 | /* Only record the parent's info */ |
383 | if (g_prof_pid == (int)getpid()) { |
384 | prof_dumpa(aTHX_ ptype, id); |
385 | PerlIO_flush(g_fp); |
386 | } |
387 | else |
388 | PL_perldb = 0; /* Do not debug the kid. */ |
389 | } |
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390 | } |
391 | |
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392 | #ifdef PL_NEEDED |
393 | # define defstash PL_defstash |
394 | #endif |
395 | |
396 | /* Counts overhead of prof_mark and extra XS call. */ |
397 | static void |
146174a9 |
398 | test_time(pTHX_ clock_t *r, clock_t *u, clock_t *s) |
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399 | { |
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400 | CV *cv = perl_get_cv("Devel::DProf::NONESUCH_noxs", FALSE); |
401 | int i, j, k = 0; |
146174a9 |
402 | HV *oldstash = PL_curstash; |
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403 | struct tms t1, t2; |
9c5ffd7c |
404 | clock_t realtime1 = 0, realtime2 = 0; |
146174a9 |
405 | U32 ototal = g_total; |
406 | U32 ostack = g_SAVE_STACK; |
407 | U32 operldb = PL_perldb; |
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408 | |
146174a9 |
409 | g_SAVE_STACK = 1000000; |
583a019e |
410 | realtime1 = Times(&t1); |
411 | |
412 | while (k < 2) { |
413 | i = 0; |
414 | /* Disable debugging of perl_call_sv on second pass: */ |
146174a9 |
415 | PL_curstash = (k == 0 ? PL_defstash : PL_debstash); |
416 | PL_perldb = g_default_perldb; |
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417 | while (++i <= 100) { |
418 | j = 0; |
146174a9 |
419 | g_profstack_ix = 0; /* Do not let the stack grow */ |
583a019e |
420 | while (++j <= 100) { |
146174a9 |
421 | /* prof_mark(aTHX_ OP_ENTERSUB); */ |
583a019e |
422 | |
146174a9 |
423 | PUSHMARK(PL_stack_sp); |
424 | perl_call_sv((SV*)cv, G_SCALAR); |
425 | PL_stack_sp--; |
426 | /* prof_mark(aTHX_ OP_LEAVESUB); */ |
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427 | } |
428 | } |
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429 | PL_curstash = oldstash; |
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430 | if (k == 0) { /* Put time with debugging */ |
431 | realtime2 = Times(&t2); |
432 | *r = realtime2 - realtime1; |
433 | *u = t2.tms_utime - t1.tms_utime; |
434 | *s = t2.tms_stime - t1.tms_stime; |
146174a9 |
435 | } |
436 | else { /* Subtract time without debug */ |
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437 | realtime1 = Times(&t1); |
438 | *r -= realtime1 - realtime2; |
439 | *u -= t1.tms_utime - t2.tms_utime; |
440 | *s -= t1.tms_stime - t2.tms_stime; |
441 | } |
442 | k++; |
443 | } |
146174a9 |
444 | g_total = ototal; |
445 | g_SAVE_STACK = ostack; |
446 | PL_perldb = operldb; |
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447 | } |
448 | |
449 | static void |
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450 | prof_recordheader(pTHX) |
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451 | { |
146174a9 |
452 | clock_t r, u, s; |
453 | |
454 | /* g_fp is opened in the BOOT section */ |
455 | PerlIO_printf(g_fp, "#fOrTyTwO\n"); |
456 | PerlIO_printf(g_fp, "$hz=%"IVdf";\n", (IV)DPROF_HZ); |
457 | PerlIO_printf(g_fp, "$XS_VERSION='DProf %s';\n", XS_VERSION); |
458 | PerlIO_printf(g_fp, "# All values are given in HZ\n"); |
459 | test_time(aTHX_ &r, &u, &s); |
460 | PerlIO_printf(g_fp, |
461 | "$over_utime=%"IVdf"; $over_stime=%"IVdf"; $over_rtime=%"IVdf";\n", |
462 | /* The (IV) casts are one possibility: |
463 | * the Painfully Correct Way would be to |
464 | * have Clock_t_f. */ |
465 | (IV)u, (IV)s, (IV)r); |
466 | PerlIO_printf(g_fp, "$over_tests=10000;\n"); |
467 | |
468 | g_TIMES_LOCATION = PerlIO_tell(g_fp); |
469 | |
470 | /* Pad with whitespace. */ |
471 | /* This should be enough even for very large numbers. */ |
472 | PerlIO_printf(g_fp, "%*s\n", 240 , ""); |
473 | |
474 | PerlIO_printf(g_fp, "\n"); |
475 | PerlIO_printf(g_fp, "PART2\n"); |
476 | |
477 | PerlIO_flush(g_fp); |
583a019e |
478 | } |
479 | |
480 | static void |
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481 | prof_record(pTHX) |
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482 | { |
146174a9 |
483 | /* g_fp is opened in the BOOT section */ |
484 | |
485 | /* Now that we know the runtimes, fill them in at the recorded |
486 | location -JH */ |
583a019e |
487 | |
146174a9 |
488 | if (g_SAVE_STACK) { |
489 | prof_dump_until(aTHX_ g_profstack_ix); |
490 | } |
491 | PerlIO_seek(g_fp, g_TIMES_LOCATION, SEEK_SET); |
492 | /* Write into reserved 240 bytes: */ |
493 | PerlIO_printf(g_fp, |
494 | "$rrun_utime=%"IVdf"; $rrun_stime=%"IVdf"; $rrun_rtime=%"IVdf";", |
495 | /* The (IV) casts are one possibility: |
496 | * the Painfully Correct Way would be to |
497 | * have Clock_t_f. */ |
498 | (IV)(g_prof_end.tms_utime-g_prof_start.tms_utime-g_wprof_u), |
499 | (IV)(g_prof_end.tms_stime-g_prof_start.tms_stime-g_wprof_s), |
500 | (IV)(g_rprof_end-g_rprof_start-g_wprof_r)); |
501 | PerlIO_printf(g_fp, "\n$total_marks=%"IVdf, (IV)g_total); |
583a019e |
502 | |
146174a9 |
503 | PerlIO_close(g_fp); |
583a019e |
504 | } |
505 | |
506 | #define NONESUCH() |
507 | |
583a019e |
508 | static void |
d7b9cf63 |
509 | check_depth(pTHX_ void *foo) |
583a019e |
510 | { |
4b19af01 |
511 | U32 need_depth = PTR2UV(foo); |
146174a9 |
512 | if (need_depth != g_depth) { |
513 | if (need_depth > g_depth) { |
583a019e |
514 | warn("garbled call depth when profiling"); |
146174a9 |
515 | } |
516 | else { |
425d70b4 |
517 | IV marks = g_depth - need_depth; |
583a019e |
518 | |
146174a9 |
519 | /* warn("Check_depth: got %d, expected %d\n", g_depth, need_depth); */ |
583a019e |
520 | while (marks--) { |
146174a9 |
521 | prof_mark(aTHX_ OP_DIE); |
583a019e |
522 | } |
146174a9 |
523 | g_depth = need_depth; |
583a019e |
524 | } |
525 | } |
526 | } |
527 | |
528 | #define for_real |
529 | #ifdef for_real |
530 | |
531 | XS(XS_DB_sub) |
532 | { |
c6c619a9 |
533 | dMARK; |
146174a9 |
534 | dORIGMARK; |
535 | SV *Sub = GvSV(PL_DBsub); /* name of current sub */ |
536 | |
537 | #ifdef PERL_IMPLICIT_CONTEXT |
538 | /* profile only the interpreter that loaded us */ |
539 | if (g_THX != aTHX) { |
540 | PUSHMARK(ORIGMARK); |
d781cccd |
541 | perl_call_sv(INT2PTR(SV*,SvIV(Sub)), GIMME_V | G_NODEBUG); |
146174a9 |
542 | } |
543 | else |
544 | #endif |
545 | { |
546 | HV *oldstash = PL_curstash; |
583a019e |
547 | |
94277a97 |
548 | DBG_SUB_NOTIFY(Sub); |
583a019e |
549 | |
a6f8e609 |
550 | SAVEDESTRUCTOR_X(check_depth, INT2PTR(void*,g_depth)); |
146174a9 |
551 | g_depth++; |
583a019e |
552 | |
146174a9 |
553 | prof_mark(aTHX_ OP_ENTERSUB); |
554 | PUSHMARK(ORIGMARK); |
d781cccd |
555 | perl_call_sv(INT2PTR(SV*,SvIV(Sub)), GIMME_V | G_NODEBUG); |
8063af02 |
556 | PL_curstash = oldstash; |
146174a9 |
557 | prof_mark(aTHX_ OP_LEAVESUB); |
558 | g_depth--; |
559 | } |
560 | return; |
583a019e |
561 | } |
562 | |
563 | XS(XS_DB_goto) |
564 | { |
146174a9 |
565 | #ifdef PERL_IMPLICIT_CONTEXT |
566 | if (g_THX == aTHX) |
567 | #endif |
568 | { |
569 | prof_mark(aTHX_ OP_GOTO); |
583a019e |
570 | return; |
146174a9 |
571 | } |
583a019e |
572 | } |
573 | |
574 | #endif /* for_real */ |
575 | |
576 | #ifdef testing |
577 | |
578 | MODULE = Devel::DProf PACKAGE = DB |
579 | |
580 | void |
581 | sub(...) |
146174a9 |
582 | PPCODE: |
583 | { |
583a019e |
584 | dORIGMARK; |
146174a9 |
585 | HV *oldstash = PL_curstash; |
586 | SV *Sub = GvSV(PL_DBsub); /* name of current sub */ |
583a019e |
587 | /* SP -= items; added by xsubpp */ |
94277a97 |
588 | DBG_SUB_NOTIFY(Sub); |
583a019e |
589 | |
146174a9 |
590 | sv_setiv(PL_DBsingle, 0); /* disable DB single-stepping */ |
583a019e |
591 | |
146174a9 |
592 | prof_mark(aTHX_ OP_ENTERSUB); |
593 | PUSHMARK(ORIGMARK); |
583a019e |
594 | |
146174a9 |
595 | PL_curstash = PL_debstash; /* To disable debugging of perl_call_sv */ |
d781cccd |
596 | perl_call_sv(Sub, GIMME_V); |
146174a9 |
597 | PL_curstash = oldstash; |
583a019e |
598 | |
146174a9 |
599 | prof_mark(aTHX_ OP_LEAVESUB); |
583a019e |
600 | SPAGAIN; |
601 | /* PUTBACK; added by xsubpp */ |
146174a9 |
602 | } |
583a019e |
603 | |
604 | #endif /* testing */ |
605 | |
606 | MODULE = Devel::DProf PACKAGE = Devel::DProf |
607 | |
608 | void |
609 | END() |
146174a9 |
610 | PPCODE: |
611 | { |
612 | if (PL_DBsub) { |
613 | /* maybe the process forked--we want only |
614 | * the parent's profile. |
615 | */ |
616 | if ( |
617 | #ifdef PERL_IMPLICIT_CONTEXT |
618 | g_THX == aTHX && |
619 | #endif |
620 | g_prof_pid == (int)getpid()) |
621 | { |
622 | g_rprof_end = Times(&g_prof_end); |
623 | DBG_TIMER_NOTIFY("Profiler timer is off.\n"); |
624 | prof_record(aTHX); |
625 | } |
626 | } |
627 | } |
583a019e |
628 | |
629 | void |
630 | NONESUCH() |
631 | |
632 | BOOT: |
146174a9 |
633 | { |
634 | g_TIMES_LOCATION = 42; |
635 | g_SAVE_STACK = 1<<14; |
636 | g_profstack_max = 128; |
637 | #ifdef PERL_IMPLICIT_CONTEXT |
638 | g_THX = aTHX; |
639 | #endif |
640 | |
583a019e |
641 | /* Before we go anywhere make sure we were invoked |
642 | * properly, else we'll dump core. |
643 | */ |
146174a9 |
644 | if (!PL_DBsub) |
645 | croak("DProf: run perl with -d to use DProf.\n"); |
583a019e |
646 | |
647 | /* When we hook up the XS DB::sub we'll be redefining |
648 | * the DB::sub from the PM file. Turn off warnings |
649 | * while we do this. |
650 | */ |
651 | { |
7c436af3 |
652 | bool warn_tmp = PL_dowarn; |
146174a9 |
653 | PL_dowarn = 0; |
654 | newXS("DB::sub", XS_DB_sub, file); |
655 | newXS("DB::goto", XS_DB_goto, file); |
656 | PL_dowarn = warn_tmp; |
583a019e |
657 | } |
658 | |
146174a9 |
659 | sv_setiv(PL_DBsingle, 0); /* disable DB single-stepping */ |
583a019e |
660 | |
661 | { |
662 | char *buffer = getenv("PERL_DPROF_BUFFER"); |
663 | |
664 | if (buffer) { |
146174a9 |
665 | g_SAVE_STACK = atoi(buffer); |
583a019e |
666 | } |
667 | |
668 | buffer = getenv("PERL_DPROF_TICKS"); |
669 | |
670 | if (buffer) { |
146174a9 |
671 | g_dprof_ticks = atoi(buffer); /* Used under OS/2 only */ |
672 | } |
673 | else { |
674 | g_dprof_ticks = HZ; |
583a019e |
675 | } |
583a019e |
676 | |
146174a9 |
677 | buffer = getenv("PERL_DPROF_OUT_FILE_NAME"); |
678 | g_out_file_name = savepv(buffer ? buffer : "tmon.out"); |
679 | } |
583a019e |
680 | |
146174a9 |
681 | if ((g_fp = PerlIO_open(g_out_file_name, "w")) == NULL) |
682 | croak("DProf: unable to write '%s', errno = %d\n", |
683 | g_out_file_name, errno); |
583a019e |
684 | |
146174a9 |
685 | g_default_perldb = PERLDBf_NONAME | PERLDBf_SUB | PERLDBf_GOTO; |
686 | g_cv_hash = newHV(); |
687 | g_prof_pid = (int)getpid(); |
583a019e |
688 | |
146174a9 |
689 | New(0, g_profstack, g_profstack_max, PROFANY); |
690 | prof_recordheader(aTHX); |
583a019e |
691 | DBG_TIMER_NOTIFY("Profiler timer is on.\n"); |
146174a9 |
692 | g_orealtime = g_rprof_start = Times(&g_prof_start); |
693 | g_otms_utime = g_prof_start.tms_utime; |
694 | g_otms_stime = g_prof_start.tms_stime; |
695 | PL_perldb = g_default_perldb; |
696 | } |