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1 /*
2    This file is part of Callgrind, a Valgrind tool for call graph
3    profiling programs.
4 
5    Copyright (C) 2002-2012, Josef Weidendorfer (Josef.Weidendorfer@gmx.de)
6 
7    This tool is derived from and contains lot of code from Cachegrind
8    Copyright (C) 2002-2012 Nicholas Nethercote (njn@valgrind.org)
9 
10    This program is free software; you can redistribute it and/or
11    modify it under the terms of the GNU General Public License as
12    published by the Free Software Foundation; either version 2 of the
13    License, or (at your option) any later version.
14 
15    This program is distributed in the hope that it will be useful, but
16    WITHOUT ANY WARRANTY; without even the implied warranty of
17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
18    General Public License for more details.
19 
20    You should have received a copy of the GNU General Public License
21    along with this program; if not, write to the Free Software
22    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
23    02111-1307, USA.
24 
25    The GNU General Public License is contained in the file COPYING.
26 */
27 
28 #include "config.h" // for VG_PREFIX
29 
30 #include "global.h"
31 
32 
33 
34 /*------------------------------------------------------------*/
35 /*--- Function specific configuration options              ---*/
36 /*------------------------------------------------------------*/
37 
38 /* Special value for separate_callers: automatic = adaptive */
39 #define CONFIG_AUTO    -1
40 
41 #define CONFIG_DEFAULT -1
42 #define CONFIG_FALSE    0
43 #define CONFIG_TRUE     1
44 
45 /* Logging configuration for a function */
46 struct _fn_config {
47     Int dump_before;
48     Int dump_after;
49     Int zero_before;
50     Int toggle_collect;
51 
52     Int skip;    /* Handle CALL to this function as JMP (= Skip)? */
53     Int group;   /* don't change caller dependency inside group !=0 */
54     Int pop_on_jump;
55 
56     Int separate_callers;    /* separate logging dependent on caller  */
57     Int separate_recursions; /* separate logging of rec. levels       */
58 
59 #if CLG_ENABLE_DEBUG
60     Int verbosity; /* Change debug verbosity level while in function */
61 #endif
62 };
63 
64 /* Configurations for function name prefix patterns.
65  * Currently, only very limit patterns are possible:
66  * Exact prefix patterns and "*::" are allowed.
67  * E.g.
68  *  - "abc" matches all functions starting with "abc".
69  *  - "abc*::def" matches all functions starting with "abc" and
70  *    starting with "def" after the first "::" separator.
71  *  - "*::print(" matches C++ methods "print" in all classes
72  *    without namespace. I.e. "*" doesn't match a "::".
73  *
74  * We build a trie from patterns, and for a given function, we
75  * go down the tree and apply all non-default configurations.
76  */
77 
78 
79 #define NODE_DEGREE 30
80 
81 /* node of compressed trie search structure */
82 typedef struct _config_node config_node;
83 struct _config_node {
84   Int length;
85 
86   fn_config* config;
87   config_node* sub_node[NODE_DEGREE];
88   config_node* next;
89   config_node* wild_star;
90   config_node* wild_char;
91 
92   Char name[1];
93 };
94 
95 /* root of trie */
96 static config_node* fn_configs = 0;
97 
98 static __inline__
new_fnc(void)99 fn_config* new_fnc(void)
100 {
101    fn_config* fnc = (fn_config*) CLG_MALLOC("cl.clo.nf.1",
102                                             sizeof(fn_config));
103 
104    fnc->dump_before  = CONFIG_DEFAULT;
105    fnc->dump_after   = CONFIG_DEFAULT;
106    fnc->zero_before  = CONFIG_DEFAULT;
107    fnc->toggle_collect = CONFIG_DEFAULT;
108    fnc->skip         = CONFIG_DEFAULT;
109    fnc->pop_on_jump  = CONFIG_DEFAULT;
110    fnc->group        = CONFIG_DEFAULT;
111    fnc->separate_callers    = CONFIG_DEFAULT;
112    fnc->separate_recursions = CONFIG_DEFAULT;
113 
114 #if CLG_ENABLE_DEBUG
115    fnc->verbosity    = CONFIG_DEFAULT;
116 #endif
117 
118    return fnc;
119 }
120 
121 
new_config(Char * name,int length)122 static config_node* new_config(Char* name, int length)
123 {
124     int i;
125     config_node* node = (config_node*) CLG_MALLOC("cl.clo.nc.1",
126                                                   sizeof(config_node) + length);
127 
128     for(i=0;i<length;i++) {
129       if (name[i] == 0) break;
130       node->name[i] = name[i];
131     }
132     node->name[i] = 0;
133 
134     node->length = length;
135     node->config = 0;
136     for(i=0;i<NODE_DEGREE;i++)
137 	node->sub_node[i] = 0;
138     node->next = 0;
139     node->wild_char = 0;
140     node->wild_star = 0;
141 
142     CLG_DEBUG(3, "   new_config('%s', len %d)\n", node->name, length);
143 
144     return node;
145 }
146 
147 static __inline__
is_wild(Char n)148 Bool is_wild(Char n)
149 {
150   return (n == '*') || (n == '?');
151 }
152 
153 /* Recursively build up function matching tree (prefix tree).
154  * Returns function config object for pattern <name>
155  * and starting at tree node <*pnode>.
156  *
157  * Tree nodes (config_node) are created as needed,
158  * tree root is stored into <*pnode>, and the created
159  * leaf (fn_config) for the given pattern is returned.
160  */
get_fnc2(config_node * node,Char * name)161 static fn_config* get_fnc2(config_node* node, Char* name)
162 {
163   config_node *new_sub, *n, *nprev;
164   int offset, len;
165 
166   CLG_DEBUG(3, "  get_fnc2(%p, '%s')\n", node, name);
167 
168   if (name[0] == 0) {
169     if (!node->config) node->config = new_fnc();
170     return node->config;
171   }
172 
173   if (is_wild(*name)) {
174     if (*name == '*') {
175       while(name[1] == '*') name++;
176       new_sub = node->wild_star;
177     }
178     else
179       new_sub = node->wild_char;
180 
181     if (!new_sub) {
182       new_sub = new_config(name, 1);
183       if (*name == '*')
184 	node->wild_star = new_sub;
185       else
186 	node->wild_char = new_sub;
187     }
188 
189     return get_fnc2( new_sub, name+1);
190   }
191 
192   n = node->sub_node[ name[0]%NODE_DEGREE ];
193   nprev = 0;
194   len = 0;
195   while(n) {
196     for(len=0; name[len] == n->name[len]; len++);
197     if (len>0) break;
198     nprev = n;
199     n = n->next;
200   }
201 
202   if (!n) {
203     len = 1;
204     while(name[len] && (!is_wild(name[len]))) len++;
205     new_sub = new_config(name, len);
206     new_sub->next = node->sub_node[ name[0]%NODE_DEGREE ];
207     node->sub_node[ name[0]%NODE_DEGREE ] = new_sub;
208 
209     if (name[len] == 0) {
210       new_sub->config = new_fnc();
211       return new_sub->config;
212     }
213 
214     /* recurse on wildcard */
215     return get_fnc2( new_sub, name+len);
216   }
217 
218   if (len < n->length) {
219 
220     /* split up the subnode <n> */
221     config_node *new_node;
222     int i;
223 
224     new_node = new_config(n->name, len);
225     if (nprev)
226       nprev->next = new_node;
227     else
228       node->sub_node[ n->name[0]%NODE_DEGREE ] = new_node;
229     new_node->next = n->next;
230 
231     new_node->sub_node[ n->name[len]%NODE_DEGREE ] = n;
232 
233     for(i=0, offset=len; offset < n->length; i++, offset++)
234       n->name[i] = n->name[offset];
235     n->name[i] = 0;
236     n->length = i;
237 
238     name += len;
239     offset = 0;
240     while(name[offset] && (!is_wild(name[offset]))) offset++;
241     new_sub  = new_config(name, offset);
242     /* this sub_node of new_node could already be set: chain! */
243     new_sub->next = new_node->sub_node[ name[0]%NODE_DEGREE ];
244     new_node->sub_node[ name[0]%NODE_DEGREE ] = new_sub;
245 
246     if (name[offset]==0) {
247       new_sub->config = new_fnc();
248       return new_sub->config;
249     }
250 
251     /* recurse on wildcard */
252     return get_fnc2( new_sub, name+offset);
253   }
254 
255   name += n->length;
256 
257   if (name[0] == 0) {
258     /* name and node name are the same */
259     if (!n->config) n->config = new_fnc();
260     return n->config;
261   }
262 
263   offset = 1;
264   while(name[offset] && (!is_wild(name[offset]))) offset++;
265 
266   new_sub = new_config(name, offset);
267   new_sub->next = n->sub_node[ name[0]%NODE_DEGREE ];
268   n->sub_node[ name[0]%NODE_DEGREE ] = new_sub;
269 
270   return get_fnc2(new_sub, name+offset);
271 }
272 
print_config_node(int depth,int hash,config_node * node)273 static void print_config_node(int depth, int hash, config_node* node)
274 {
275   config_node* n;
276   int i;
277 
278   if (node != fn_configs) {
279     char sp[] = "                                        ";
280 
281     if (depth>40) depth=40;
282     VG_(printf)("%s", sp+40-depth);
283     if (hash >=0) VG_(printf)(" [hash %2d]", hash);
284     else if (hash == -2) VG_(printf)(" [wildc ?]");
285     else if (hash == -3) VG_(printf)(" [wildc *]");
286     VG_(printf)(" '%s' (len %d)\n", node->name, node->length);
287   }
288   for(i=0;i<NODE_DEGREE;i++) {
289     n = node->sub_node[i];
290     while(n) {
291       print_config_node(depth+1, i, n);
292       n = n->next;
293     }
294   }
295   if (node->wild_char) print_config_node(depth+1, -2, node->wild_char);
296   if (node->wild_star) print_config_node(depth+1, -3, node->wild_star);
297 }
298 
299 /* get a function config for a name pattern (from command line) */
get_fnc(Char * name)300 static fn_config* get_fnc(Char* name)
301 {
302   fn_config* fnc;
303 
304   CLG_DEBUG(3, " +get_fnc(%s)\n", name);
305   if (fn_configs == 0)
306     fn_configs = new_config(name, 0);
307   fnc =  get_fnc2(fn_configs, name);
308 
309   CLG_DEBUGIF(3) {
310     CLG_DEBUG(3, " -get_fnc(%s):\n", name);
311     print_config_node(3, -1, fn_configs);
312   }
313   return fnc;
314 }
315 
316 
317 
update_fn_config1(fn_node * fn,fn_config * fnc)318 static void update_fn_config1(fn_node* fn, fn_config* fnc)
319 {
320     if (fnc->dump_before != CONFIG_DEFAULT)
321 	fn->dump_before = (fnc->dump_before == CONFIG_TRUE);
322 
323     if (fnc->dump_after != CONFIG_DEFAULT)
324 	fn->dump_after = (fnc->dump_after == CONFIG_TRUE);
325 
326     if (fnc->zero_before != CONFIG_DEFAULT)
327 	fn->zero_before = (fnc->zero_before == CONFIG_TRUE);
328 
329     if (fnc->toggle_collect != CONFIG_DEFAULT)
330 	fn->toggle_collect = (fnc->toggle_collect == CONFIG_TRUE);
331 
332     if (fnc->skip != CONFIG_DEFAULT)
333 	fn->skip = (fnc->skip == CONFIG_TRUE);
334 
335     if (fnc->pop_on_jump != CONFIG_DEFAULT)
336 	fn->pop_on_jump = (fnc->pop_on_jump == CONFIG_TRUE);
337 
338     if (fnc->group != CONFIG_DEFAULT)
339 	fn->group = fnc->group;
340 
341     if (fnc->separate_callers != CONFIG_DEFAULT)
342 	fn->separate_callers = fnc->separate_callers;
343 
344     if (fnc->separate_recursions != CONFIG_DEFAULT)
345 	fn->separate_recursions = fnc->separate_recursions;
346 
347 #if CLG_ENABLE_DEBUG
348     if (fnc->verbosity != CONFIG_DEFAULT)
349 	fn->verbosity = fnc->verbosity;
350 #endif
351 }
352 
353 /* Recursively go down the function matching tree,
354  * looking for a match to <name>. For every matching leaf,
355  * <fn> is updated with the pattern config.
356  */
update_fn_config2(fn_node * fn,Char * name,config_node * node)357 static void update_fn_config2(fn_node* fn, Char* name, config_node* node)
358 {
359     config_node* n;
360 
361     CLG_DEBUG(3, "  update_fn_config2('%s', node '%s'): \n",
362 	     name, node->name);
363     if ((*name == 0) && node->config) {
364       CLG_DEBUG(3, "   found!\n");
365       update_fn_config1(fn, node->config);
366       return;
367     }
368 
369     n = node->sub_node[ name[0]%NODE_DEGREE ];
370     while(n) {
371       if (VG_(strncmp)(name, n->name, n->length)==0) break;
372       n = n->next;
373     }
374     if (n) {
375 	CLG_DEBUG(3, "   '%s' matching at hash %d\n",
376 		  n->name, name[0]%NODE_DEGREE);
377 	update_fn_config2(fn, name+n->length, n);
378     }
379 
380     if (node->wild_char) {
381 	CLG_DEBUG(3, "   skip '%c' for wildcard '?'\n", *name);
382 	update_fn_config2(fn, name+1, node->wild_char);
383     }
384 
385     if (node->wild_star) {
386       CLG_DEBUG(3, "   wildcard '*'\n");
387       while(*name) {
388 	update_fn_config2(fn, name, node->wild_star);
389 	name++;
390       }
391       update_fn_config2(fn, name, node->wild_star);
392     }
393 }
394 
395 /* Update function config according to configs of name prefixes */
CLG_(update_fn_config)396 void CLG_(update_fn_config)(fn_node* fn)
397 {
398     CLG_DEBUG(3, "  update_fn_config('%s')\n", fn->name);
399     if (fn_configs)
400       update_fn_config2(fn, fn->name, fn_configs);
401 }
402 
403 
404 /*--------------------------------------------------------------------*/
405 /*--- Command line processing                                      ---*/
406 /*--------------------------------------------------------------------*/
407 
CLG_(process_cmd_line_option)408 Bool CLG_(process_cmd_line_option)(Char* arg)
409 {
410    Char* tmp_str;
411 
412    if      VG_BOOL_CLO(arg, "--skip-plt", CLG_(clo).skip_plt) {}
413 
414    else if VG_BOOL_CLO(arg, "--collect-jumps", CLG_(clo).collect_jumps) {}
415    /* compatibility alias, deprecated option */
416    else if VG_BOOL_CLO(arg, "--trace-jump",    CLG_(clo).collect_jumps) {}
417 
418    else if VG_BOOL_CLO(arg, "--combine-dumps", CLG_(clo).combine_dumps) {}
419 
420    else if VG_BOOL_CLO(arg, "--collect-atstart", CLG_(clo).collect_atstart) {}
421 
422    else if VG_BOOL_CLO(arg, "--instr-atstart", CLG_(clo).instrument_atstart) {}
423 
424    else if VG_BOOL_CLO(arg, "--separate-threads", CLG_(clo).separate_threads) {}
425 
426    else if VG_BOOL_CLO(arg, "--compress-strings", CLG_(clo).compress_strings) {}
427    else if VG_BOOL_CLO(arg, "--compress-mangled", CLG_(clo).compress_mangled) {}
428    else if VG_BOOL_CLO(arg, "--compress-pos",     CLG_(clo).compress_pos) {}
429 
430    else if VG_STR_CLO(arg, "--fn-skip", tmp_str) {
431        fn_config* fnc = get_fnc(tmp_str);
432        fnc->skip = CONFIG_TRUE;
433    }
434 
435    else if VG_STR_CLO(arg, "--dump-before", tmp_str) {
436        fn_config* fnc = get_fnc(tmp_str);
437        fnc->dump_before = CONFIG_TRUE;
438    }
439 
440    else if VG_STR_CLO(arg, "--zero-before", tmp_str) {
441        fn_config* fnc = get_fnc(tmp_str);
442        fnc->zero_before = CONFIG_TRUE;
443    }
444 
445    else if VG_STR_CLO(arg, "--dump-after", tmp_str) {
446        fn_config* fnc = get_fnc(tmp_str);
447        fnc->dump_after = CONFIG_TRUE;
448    }
449 
450    else if VG_STR_CLO(arg, "--toggle-collect", tmp_str) {
451        fn_config* fnc = get_fnc(tmp_str);
452        fnc->toggle_collect = CONFIG_TRUE;
453        /* defaults to initial collection off */
454        CLG_(clo).collect_atstart = False;
455    }
456 
457    else if VG_INT_CLO(arg, "--separate-recs", CLG_(clo).separate_recursions) {}
458 
459    /* change handling of a jump between functions to ret+call */
460    else if VG_XACT_CLO(arg, "--pop-on-jump", CLG_(clo).pop_on_jump, True) {}
461    else if VG_STR_CLO( arg, "--pop-on-jump", tmp_str) {
462        fn_config* fnc = get_fnc(tmp_str);
463        fnc->pop_on_jump = CONFIG_TRUE;
464    }
465 
466 #if CLG_ENABLE_DEBUG
467    else if VG_INT_CLO(arg, "--ct-verbose", CLG_(clo).verbose) {}
468    else if VG_INT_CLO(arg, "--ct-vstart",  CLG_(clo).verbose_start) {}
469 
470    else if VG_STREQN(12, arg, "--ct-verbose") {
471        fn_config* fnc;
472        Char* s;
473        UInt n = VG_(strtoll10)(arg+12, &s);
474        if ((n <= 0) || *s != '=') return False;
475        fnc = get_fnc(s+1);
476        fnc->verbosity = n;
477    }
478 #endif
479 
480    else if VG_XACT_CLO(arg, "--separate-callers=auto",
481                             CLG_(clo).separate_callers, CONFIG_AUTO) {}
482    else if VG_INT_CLO( arg, "--separate-callers",
483                             CLG_(clo).separate_callers) {}
484 
485    else if VG_STREQN(10, arg, "--fn-group") {
486        fn_config* fnc;
487        Char* s;
488        UInt n = VG_(strtoll10)(arg+10, &s);
489        if ((n <= 0) || *s != '=') return False;
490        fnc = get_fnc(s+1);
491        fnc->group = n;
492    }
493 
494    else if VG_STREQN(18, arg, "--separate-callers") {
495        fn_config* fnc;
496        Char* s;
497        UInt n = VG_(strtoll10)(arg+18, &s);
498        if ((n <= 0) || *s != '=') return False;
499        fnc = get_fnc(s+1);
500        fnc->separate_callers = n;
501    }
502 
503    else if VG_STREQN(15, arg, "--separate-recs") {
504        fn_config* fnc;
505        Char* s;
506        UInt n = VG_(strtoll10)(arg+15, &s);
507        if ((n <= 0) || *s != '=') return False;
508        fnc = get_fnc(s+1);
509        fnc->separate_recursions = n;
510    }
511 
512    else if VG_STR_CLO(arg, "--callgrind-out-file", CLG_(clo).out_format) {}
513 
514    else if VG_BOOL_CLO(arg, "--mangle-names", CLG_(clo).mangle_names) {}
515 
516    else if VG_BOOL_CLO(arg, "--skip-direct-rec",
517                             CLG_(clo).skip_direct_recursion) {}
518 
519    else if VG_BOOL_CLO(arg, "--dump-bbs",   CLG_(clo).dump_bbs) {}
520    else if VG_BOOL_CLO(arg, "--dump-line",  CLG_(clo).dump_line) {}
521    else if VG_BOOL_CLO(arg, "--dump-instr", CLG_(clo).dump_instr) {}
522    else if VG_BOOL_CLO(arg, "--dump-bb",    CLG_(clo).dump_bb) {}
523 
524    else if VG_INT_CLO( arg, "--dump-every-bb", CLG_(clo).dump_every_bb) {}
525 
526    else if VG_BOOL_CLO(arg, "--collect-alloc",   CLG_(clo).collect_alloc) {}
527    else if VG_BOOL_CLO(arg, "--collect-systime", CLG_(clo).collect_systime) {}
528    else if VG_BOOL_CLO(arg, "--collect-bus",     CLG_(clo).collect_bus) {}
529    /* for option compatibility with cachegrind */
530    else if VG_BOOL_CLO(arg, "--cache-sim",       CLG_(clo).simulate_cache) {}
531    /* compatibility alias, deprecated option */
532    else if VG_BOOL_CLO(arg, "--simulate-cache",  CLG_(clo).simulate_cache) {}
533    /* for option compatibility with cachegrind */
534    else if VG_BOOL_CLO(arg, "--branch-sim",      CLG_(clo).simulate_branch) {}
535    else {
536        Bool isCachesimOption = (*CLG_(cachesim).parse_opt)(arg);
537 
538        /* cache simulator is used if a simulator option is given */
539        if (isCachesimOption)
540 	   CLG_(clo).simulate_cache = True;
541 
542        return isCachesimOption;
543    }
544 
545    return True;
546 }
547 
CLG_(print_usage)548 void CLG_(print_usage)(void)
549 {
550    VG_(printf)(
551 "\n   dump creation options:\n"
552 "    --callgrind-out-file=<f>  Output file name [callgrind.out.%%p]\n"
553 "    --dump-line=no|yes        Dump source lines of costs? [yes]\n"
554 "    --dump-instr=no|yes       Dump instruction address of costs? [no]\n"
555 "    --compress-strings=no|yes Compress strings in profile dump? [yes]\n"
556 "    --compress-pos=no|yes     Compress positions in profile dump? [yes]\n"
557 "    --combine-dumps=no|yes    Concat all dumps into same file [no]\n"
558 #if CLG_EXPERIMENTAL
559 "    --compress-events=no|yes  Compress events in profile dump? [no]\n"
560 "    --dump-bb=no|yes          Dump basic block address of costs? [no]\n"
561 "    --dump-bbs=no|yes         Dump basic block info? [no]\n"
562 "    --dump-skipped=no|yes     Dump info on skipped functions in calls? [no]\n"
563 "    --mangle-names=no|yes     Mangle separation into names? [yes]\n"
564 #endif
565 
566 "\n   activity options (for interactivity use callgrind_control):\n"
567 "    --dump-every-bb=<count>   Dump every <count> basic blocks [0=never]\n"
568 "    --dump-before=<func>      Dump when entering function\n"
569 "    --zero-before=<func>      Zero all costs when entering function\n"
570 "    --dump-after=<func>       Dump when leaving function\n"
571 #if CLG_EXPERIMENTAL
572 "    --dump-objs=no|yes        Dump static object information [no]\n"
573 #endif
574 
575 "\n   data collection options:\n"
576 "    --instr-atstart=no|yes    Do instrumentation at callgrind start [yes]\n"
577 "    --collect-atstart=no|yes  Collect at process/thread start [yes]\n"
578 "    --toggle-collect=<func>   Toggle collection on enter/leave function\n"
579 "    --collect-jumps=no|yes    Collect jumps? [no]\n"
580 "    --collect-bus=no|yes      Collect global bus events? [no]\n"
581 #if CLG_EXPERIMENTAL
582 "    --collect-alloc=no|yes    Collect memory allocation info? [no]\n"
583 #endif
584 "    --collect-systime=no|yes  Collect system call time info? [no]\n"
585 
586 "\n   cost entity separation options:\n"
587 "    --separate-threads=no|yes Separate data per thread [no]\n"
588 "    --separate-callers=<n>    Separate functions by call chain length [0]\n"
589 "    --separate-callers<n>=<f> Separate <n> callers for function <f>\n"
590 "    --separate-recs=<n>       Separate function recursions up to level [2]\n"
591 "    --separate-recs<n>=<f>    Separate <n> recursions for function <f>\n"
592 "    --skip-plt=no|yes         Ignore calls to/from PLT sections? [yes]\n"
593 "    --skip-direct-rec=no|yes  Ignore direct recursions? [yes]\n"
594 "    --fn-skip=<function>      Ignore calls to/from function?\n"
595 #if CLG_EXPERIMENTAL
596 "    --fn-group<no>=<func>     Put function into separation group <no>\n"
597 #endif
598 "\n   simulation options:\n"
599 "    --branch-sim=no|yes       Do branch prediction simulation [no]\n"
600 "    --cache-sim=no|yes        Do cache simulation [no]\n"
601     );
602 
603    (*CLG_(cachesim).print_opts)();
604 
605 //   VG_(printf)("\n"
606 //	       "  For full callgrind documentation, see\n"
607 //	       "  "VG_PREFIX"/share/doc/callgrind/html/callgrind.html\n\n");
608 }
609 
CLG_(print_debug_usage)610 void CLG_(print_debug_usage)(void)
611 {
612     VG_(printf)(
613 
614 #if CLG_ENABLE_DEBUG
615 "    --ct-verbose=<level>       Verbosity of standard debug output [0]\n"
616 "    --ct-vstart=<BB number>    Only be verbose after basic block [0]\n"
617 "    --ct-verbose<level>=<func> Verbosity while in <func>\n"
618 #else
619 "    (none)\n"
620 #endif
621 
622     );
623 }
624 
625 
CLG_(set_clo_defaults)626 void CLG_(set_clo_defaults)(void)
627 {
628   /* Default values for command line arguments */
629 
630   /* dump options */
631   CLG_(clo).out_format       = 0;
632   CLG_(clo).combine_dumps    = False;
633   CLG_(clo).compress_strings = True;
634   CLG_(clo).compress_mangled = False;
635   CLG_(clo).compress_events  = False;
636   CLG_(clo).compress_pos     = True;
637   CLG_(clo).mangle_names     = True;
638   CLG_(clo).dump_line        = True;
639   CLG_(clo).dump_instr       = False;
640   CLG_(clo).dump_bb          = False;
641   CLG_(clo).dump_bbs         = False;
642 
643   CLG_(clo).dump_every_bb    = 0;
644 
645   /* Collection */
646   CLG_(clo).separate_threads = False;
647   CLG_(clo).collect_atstart  = True;
648   CLG_(clo).collect_jumps    = False;
649   CLG_(clo).collect_alloc    = False;
650   CLG_(clo).collect_systime  = False;
651   CLG_(clo).collect_bus      = False;
652 
653   CLG_(clo).skip_plt         = True;
654   CLG_(clo).separate_callers = 0;
655   CLG_(clo).separate_recursions = 2;
656   CLG_(clo).skip_direct_recursion = False;
657 
658   /* Instrumentation */
659   CLG_(clo).instrument_atstart = True;
660   CLG_(clo).simulate_cache = False;
661   CLG_(clo).simulate_branch = False;
662 
663   /* Call graph */
664   CLG_(clo).pop_on_jump = False;
665 
666 #if CLG_ENABLE_DEBUG
667   CLG_(clo).verbose = 0;
668   CLG_(clo).verbose_start = 0;
669 #endif
670 }
671