8 * Return value of comparison functions used to sort tables:
14 /* declarations of automatically generated functions to output blurbs: */
15 extern void bsd_callg_blurb PARAMS ((FILE * fp));
16 extern void fsf_callg_blurb PARAMS ((FILE * fp));
18 double print_time = 0.0;
22 DEFUN_VOID (print_header)
32 if (!bsd_style_output)
34 if (print_descriptions)
36 printf ("\t\t Call graph (explanation follows)\n\n");
40 printf ("\t\t\tCall graph\n\n");
43 printf ("\ngranularity: each sample hit covers %ld byte(s)",
44 (long) hist_scale * sizeof (UNIT));
47 printf (" for %.2f%% of %.2f seconds\n\n",
48 100.0 / print_time, print_time / hz);
52 printf (" no time propagated\n\n");
54 * This doesn't hurt, since all the numerators will be 0.0:
60 printf ("%6.6s %5.5s %7.7s %11.11s %7.7s/%-7.7s %-8.8s\n",
61 "", "", "", "", "called", "total", "parents");
62 printf ("%-6.6s %5.5s %7.7s %11.11s %7.7s+%-7.7s %-8.8s\t%5.5s\n",
63 "index", "%time", "self", "descendents",
64 "called", "self", "name", "index");
65 printf ("%6.6s %5.5s %7.7s %11.11s %7.7s/%-7.7s %-8.8s\n",
66 "", "", "", "", "called", "total", "children");
71 printf ("index %% time self children called name\n");
77 * Print a cycle header.
80 DEFUN (print_cycle, (cyc), Sym * cyc)
84 sprintf (buf, "[%d]", cyc->cg.index);
85 printf ("%-6.6s %5.1f %7.2f %11.2f %7d", buf,
86 100 * (cyc->cg.prop.self + cyc->cg.prop.child) / print_time,
87 cyc->cg.prop.self / hz, cyc->cg.prop.child / hz, cyc->ncalls);
88 if (cyc->cg.self_calls != 0)
90 printf ("+%-7d", cyc->cg.self_calls);
94 printf (" %7.7s", "");
96 printf (" <cycle %d as a whole>\t[%d]\n", cyc->cg.cyc.num, cyc->cg.index);
101 * Compare LEFT and RIGHT membmer. Major comparison key is
102 * CG.PROP.SELF+CG.PROP.CHILD, secondary key is NCALLS+CG.SELF_CALLS.
105 DEFUN (cmp_member, (left, right), Sym * left AND Sym * right)
107 double left_time = left->cg.prop.self + left->cg.prop.child;
108 double right_time = right->cg.prop.self + right->cg.prop.child;
109 long left_calls = left->ncalls + left->cg.self_calls;
110 long right_calls = right->ncalls + right->cg.self_calls;
112 if (left_time > right_time)
116 if (left_time < right_time)
121 if (left_calls > right_calls)
125 if (left_calls < right_calls)
134 * Sort members of a cycle.
137 DEFUN (sort_members, (cyc), Sym * cyc)
139 Sym *todo, *doing, *prev;
141 * Detach cycle members from cyclehead, and insertion sort them
144 todo = cyc->cg.cyc.next;
145 cyc->cg.cyc.next = 0;
146 for (doing = todo; doing && doing->cg.cyc.next; doing = todo)
148 todo = doing->cg.cyc.next;
149 for (prev = cyc; prev->cg.cyc.next; prev = prev->cg.cyc.next)
151 if (cmp_member (doing, prev->cg.cyc.next) == GREATERTHAN)
156 doing->cg.cyc.next = prev->cg.cyc.next;
157 prev->cg.cyc.next = doing;
163 * Print the members of a cycle.
166 DEFUN (print_members, (cyc), Sym * cyc)
171 for (member = cyc->cg.cyc.next; member; member = member->cg.cyc.next)
173 printf ("%6.6s %5.5s %7.2f %11.2f %7d",
174 "", "", member->cg.prop.self / hz, member->cg.prop.child / hz,
176 if (member->cg.self_calls != 0)
178 printf ("+%-7d", member->cg.self_calls);
182 printf (" %7.7s", "");
192 * Compare two arcs to/from the same child/parent.
193 * - if one arc is a self arc, it's least.
194 * - if one arc is within a cycle, it's less than.
195 * - if both arcs are within a cycle, compare arc counts.
196 * - if neither arc is within a cycle, compare with
197 * time + child_time as major key
198 * arc count as minor key
201 DEFUN (cmp_arc, (left, right), Arc * left AND Arc * right)
203 Sym *left_parent = left->parent;
204 Sym *left_child = left->child;
205 Sym *right_parent = right->parent;
206 Sym *right_child = right->child;
207 double left_time, right_time;
210 printf ("[cmp_arc] ");
211 print_name (left_parent);
213 print_name (left_child);
214 printf (" %f + %f %d/%d\n", left->time, left->child_time,
215 left->count, left_child->ncalls);
216 printf ("[cmp_arc] ");
217 print_name (right_parent);
219 print_name (right_child);
220 printf (" %f + %f %d/%d\n", right->time, right->child_time,
221 right->count, right_child->ncalls);
224 if (left_parent == left_child)
226 return LESSTHAN; /* left is a self call */
228 if (right_parent == right_child)
230 return GREATERTHAN; /* right is a self call */
233 if (left_parent->cg.cyc.num != 0 && left_child->cg.cyc.num != 0
234 && left_parent->cg.cyc.num == left_child->cg.cyc.num)
236 /* left is a call within a cycle */
237 if (right_parent->cg.cyc.num != 0 && right_child->cg.cyc.num != 0
238 && right_parent->cg.cyc.num == right_child->cg.cyc.num)
240 /* right is a call within the cycle, too */
241 if (left->count < right->count)
245 if (left->count > right->count)
253 /* right isn't a call within the cycle */
259 /* left isn't a call within a cycle */
260 if (right_parent->cg.cyc.num != 0 && right_child->cg.cyc.num != 0
261 && right_parent->cg.cyc.num == right_child->cg.cyc.num)
263 /* right is a call within a cycle */
268 /* neither is a call within a cycle */
269 left_time = left->time + left->child_time;
270 right_time = right->time + right->child_time;
271 if (left_time < right_time)
275 if (left_time > right_time)
279 if (left->count < right->count)
283 if (left->count > right->count)
294 DEFUN (sort_parents, (child), Sym * child)
296 Arc *arc, *detached, sorted, *prev;
299 * Unlink parents from child, then insertion sort back on to
301 * *arc the arc you have detached and are inserting.
302 * *detached the rest of the arcs to be sorted.
303 * sorted arc list onto which you insertion sort.
304 * *prev arc before the arc you are comparing.
306 sorted.next_parent = 0;
307 for (arc = child->cg.parents; arc; arc = detached)
309 detached = arc->next_parent;
311 /* consider *arc as disconnected; insert it into sorted: */
312 for (prev = &sorted; prev->next_parent; prev = prev->next_parent)
314 if (cmp_arc (arc, prev->next_parent) != GREATERTHAN)
319 arc->next_parent = prev->next_parent;
320 prev->next_parent = arc;
323 /* reattach sorted arcs to child: */
324 child->cg.parents = sorted.next_parent;
329 DEFUN (print_parents, (child), Sym * child)
335 if (child->cg.cyc.head != 0)
337 cycle_head = child->cg.cyc.head;
343 if (!child->cg.parents)
345 printf (bsd_style_output
346 ? "%6.6s %5.5s %7.7s %11.11s %7.7s %7.7s <spontaneous>\n"
347 : "%6.6s %5.5s %7.7s %7.7s %7.7s %7.7s <spontaneous>\n",
348 "", "", "", "", "", "");
351 sort_parents (child);
352 for (arc = child->cg.parents; arc; arc = arc->next_parent)
354 parent = arc->parent;
355 if (child == parent || (child->cg.cyc.num != 0
356 && parent->cg.cyc.num == child->cg.cyc.num))
358 /* selfcall or call among siblings: */
359 printf (bsd_style_output
360 ? "%6.6s %5.5s %7.7s %11.11s %7d %7.7s "
361 : "%6.6s %5.5s %7.7s %7.7s %7d %7.7s ",
369 /* regular parent of child: */
370 printf (bsd_style_output
371 ? "%6.6s %5.5s %7.2f %11.2f %7d/%-7d "
372 : "%6.6s %5.5s %7.2f %7.2f %7d/%-7d ",
374 arc->time / hz, arc->child_time / hz,
375 arc->count, cycle_head->ncalls);
384 DEFUN (sort_children, (parent), Sym * parent)
386 Arc *arc, *detached, sorted, *prev;
388 * Unlink children from parent, then insertion sort back on to
390 * *arc the arc you have detached and are inserting.
391 * *detached the rest of the arcs to be sorted.
392 * sorted arc list onto which you insertion sort.
393 * *prev arc before the arc you are comparing.
395 sorted.next_child = 0;
396 for (arc = parent->cg.children; arc; arc = detached)
398 detached = arc->next_child;
400 /* consider *arc as disconnected; insert it into sorted: */
401 for (prev = &sorted; prev->next_child; prev = prev->next_child)
403 if (cmp_arc (arc, prev->next_child) != LESSTHAN)
408 arc->next_child = prev->next_child;
409 prev->next_child = arc;
412 /* reattach sorted children to parent: */
413 parent->cg.children = sorted.next_child;
418 DEFUN (print_children, (parent), Sym * parent)
423 sort_children (parent);
424 arc = parent->cg.children;
425 for (arc = parent->cg.children; arc; arc = arc->next_child)
428 if (child == parent || (child->cg.cyc.num != 0
429 && child->cg.cyc.num == parent->cg.cyc.num))
431 /* self call or call to sibling: */
432 printf (bsd_style_output
433 ? "%6.6s %5.5s %7.7s %11.11s %7d %7.7s "
434 : "%6.6s %5.5s %7.7s %7.7s %7d %7.7s ",
435 "", "", "", "", arc->count, "");
441 /* regular child of parent: */
442 printf (bsd_style_output
443 ? "%6.6s %5.5s %7.2f %11.2f %7d/%-7d "
444 : "%6.6s %5.5s %7.2f %7.2f %7d/%-7d ",
446 arc->time / hz, arc->child_time / hz,
447 arc->count, child->cg.cyc.head->ncalls);
456 DEFUN (print_line, (np), Sym * np)
460 sprintf (buf, "[%d]", np->cg.index);
461 printf (bsd_style_output
462 ? "%-6.6s %5.1f %7.2f %11.2f"
463 : "%-6.6s %5.1f %7.2f %7.2f", buf,
464 100 * (np->cg.prop.self + np->cg.prop.child) / print_time,
465 np->cg.prop.self / hz, np->cg.prop.child / hz);
466 if ((np->ncalls + np->cg.self_calls) != 0)
468 printf (" %7d", np->ncalls);
469 if (np->cg.self_calls != 0)
471 printf ("+%-7d ", np->cg.self_calls);
475 printf (" %7.7s ", "");
480 printf (" %7.7s %7.7s ", "", "");
488 * Print dynamic call graph.
491 DEFUN (cg_print, (timesortsym), Sym ** timesortsym)
496 if (print_descriptions && bsd_style_output)
498 bsd_callg_blurb (stdout);
503 for (index = 0; index < symtab.len + num_cycles; ++index)
505 parent = timesortsym[index];
506 if ((ignore_zeros && parent->ncalls == 0
507 && parent->cg.self_calls == 0 && parent->cg.prop.self == 0
508 && parent->cg.prop.child == 0)
509 || !parent->cg.print_flag)
513 if (!parent->name && parent->cg.cyc.num != 0)
516 print_cycle (parent);
517 print_members (parent);
521 print_parents (parent);
523 print_children (parent);
525 if (bsd_style_output)
527 printf ("-----------------------------------------------\n");
528 if (bsd_style_output)
532 if (print_descriptions && !bsd_style_output)
534 fsf_callg_blurb (stdout);
540 DEFUN (cmp_name, (left, right), const PTR left AND const PTR right)
542 const Sym **npp1 = (const Sym **) left;
543 const Sym **npp2 = (const Sym **) right;
545 return strcmp ((*npp1)->name, (*npp2)->name);
550 DEFUN_VOID (cg_print_index)
552 int index, nnames, todo, i, j, col, starting_col;
553 Sym **name_sorted_syms, *sym;
554 const char *filename;
556 int column_width = (output_width - 1) / 3; /* don't write in last col! */
558 * Now, sort regular function name alphabetically to create an
561 name_sorted_syms = (Sym **) xmalloc ((symtab.len + num_cycles) * sizeof (Sym *));
562 for (index = 0, nnames = 0; index < symtab.len; index++)
564 if (ignore_zeros && symtab.base[index].ncalls == 0
565 && symtab.base[index].hist.time == 0)
569 name_sorted_syms[nnames++] = &symtab.base[index];
571 qsort (name_sorted_syms, nnames, sizeof (Sym *), cmp_name);
572 for (index = 1, todo = nnames; index <= num_cycles; index++)
574 name_sorted_syms[todo++] = &cycle_header[index];
576 printf ("\f\nIndex by function name\n\n");
577 index = (todo + 2) / 3;
578 for (i = 0; i < index; i++)
582 for (j = i; j < todo; j += index)
584 sym = name_sorted_syms[j];
585 if (sym->cg.print_flag)
587 sprintf (buf, "[%d]", sym->cg.index);
591 sprintf (buf, "(%d)", sym->cg.index);
595 if (bsd_style_output)
597 printf ("%6.6s %-19.19s", buf, sym->name);
602 for (; col < starting_col + 5; ++col)
606 printf (" %s ", buf);
607 col += print_name_only (sym);
608 if (!line_granularity && sym->is_static && sym->file)
610 filename = sym->file->name;
613 filename = strrchr (filename, '/');
620 filename = sym->file->name;
623 printf (" (%s)", filename);
624 col += strlen (filename) + 3;
630 printf ("%6.6s ", buf);
631 sprintf (buf, "<cycle %d>", sym->cg.cyc.num);
632 printf ("%-19.19s", buf);
634 starting_col += column_width;
638 free (name_sorted_syms);