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ef368dac NC |
1 | /* hist.c - Histogram related operations. |
2 | ||
0eee5820 | 3 | Copyright 2000, 2001 Free Software Foundation, Inc. |
ef368dac NC |
4 | |
5 | This file is part of GNU Binutils. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
20 | 02111-1307, USA. */ | |
21 | \f | |
252b5132 RH |
22 | #include <stdio.h> |
23 | #include "libiberty.h" | |
24 | #include "gprof.h" | |
25 | #include "corefile.h" | |
26 | #include "gmon_io.h" | |
27 | #include "gmon_out.h" | |
28 | #include "hist.h" | |
29 | #include "symtab.h" | |
30 | #include "sym_ids.h" | |
31 | #include "utils.h" | |
32 | ||
33 | #define UNITS_TO_CODE (offset_to_code / sizeof(UNIT)) | |
34 | ||
35 | static void scale_and_align_entries PARAMS ((void)); | |
36 | ||
ef368dac | 37 | /* Declarations of automatically generated functions to output blurbs. */ |
252b5132 RH |
38 | extern void flat_blurb PARAMS ((FILE * fp)); |
39 | ||
ef368dac NC |
40 | bfd_vma s_lowpc; /* Lowest address in .text. */ |
41 | bfd_vma s_highpc = 0; /* Highest address in .text. */ | |
42 | bfd_vma lowpc, highpc; /* Same, but expressed in UNITs. */ | |
43 | int hist_num_bins = 0; /* Number of histogram samples. */ | |
44 | int *hist_sample = 0; /* Histogram samples (shorts in the file!). */ | |
252b5132 | 45 | double hist_scale; |
0eee5820 | 46 | char hist_dimension[16] = "seconds"; |
252b5132 RH |
47 | char hist_dimension_abbrev = 's'; |
48 | ||
0eee5820 | 49 | static double accum_time; /* Accumulated time so far for print_line(). */ |
ef368dac NC |
50 | static double total_time; /* Total time for all routines. */ |
51 | ||
52 | /* Table of SI prefixes for powers of 10 (used to automatically | |
53 | scale some of the values in the flat profile). */ | |
252b5132 RH |
54 | const struct |
55 | { | |
56 | char prefix; | |
57 | double scale; | |
58 | } | |
59 | SItab[] = | |
60 | { | |
0eee5820 AM |
61 | { 'T', 1e-12 }, /* tera */ |
62 | { 'G', 1e-09 }, /* giga */ | |
63 | { 'M', 1e-06 }, /* mega */ | |
64 | { 'K', 1e-03 }, /* kilo */ | |
65 | { ' ', 1e-00 }, | |
66 | { 'm', 1e+03 }, /* milli */ | |
67 | { 'u', 1e+06 }, /* micro */ | |
68 | { 'n', 1e+09 }, /* nano */ | |
69 | { 'p', 1e+12 }, /* pico */ | |
70 | { 'f', 1e+15 }, /* femto */ | |
71 | { 'a', 1e+18 } /* ato */ | |
252b5132 RH |
72 | }; |
73 | ||
ef368dac NC |
74 | |
75 | /* Read the histogram from file IFP. FILENAME is the name of IFP and | |
76 | is provided for formatting error messages only. */ | |
77 | ||
252b5132 RH |
78 | void |
79 | DEFUN (hist_read_rec, (ifp, filename), FILE * ifp AND const char *filename) | |
80 | { | |
252b5132 RH |
81 | bfd_vma n_lowpc, n_highpc; |
82 | int i, ncnt, profrate; | |
83 | UNIT count; | |
84 | ||
0eee5820 AM |
85 | if (gmon_io_read_vma (ifp, &n_lowpc) |
86 | || gmon_io_read_vma (ifp, &n_highpc) | |
87 | || gmon_io_read_32 (ifp, &ncnt) | |
88 | || gmon_io_read_32 (ifp, &profrate) | |
89 | || gmon_io_read (ifp, hist_dimension, 15) | |
90 | || gmon_io_read (ifp, &hist_dimension_abbrev, 1)) | |
252b5132 RH |
91 | { |
92 | fprintf (stderr, _("%s: %s: unexpected end of file\n"), | |
93 | whoami, filename); | |
0eee5820 | 94 | |
252b5132 RH |
95 | done (1); |
96 | } | |
97 | ||
252b5132 RH |
98 | if (!s_highpc) |
99 | { | |
ef368dac | 100 | /* This is the first histogram record. */ |
252b5132 RH |
101 | s_lowpc = n_lowpc; |
102 | s_highpc = n_highpc; | |
103 | lowpc = (bfd_vma) n_lowpc / sizeof (UNIT); | |
104 | highpc = (bfd_vma) n_highpc / sizeof (UNIT); | |
105 | hist_num_bins = ncnt; | |
106 | hz = profrate; | |
107 | } | |
108 | ||
109 | DBG (SAMPLEDEBUG, | |
110 | printf ("[hist_read_rec] n_lowpc 0x%lx n_highpc 0x%lx ncnt %d\n", | |
fdcf7d43 | 111 | (unsigned long) n_lowpc, (unsigned long) n_highpc, ncnt); |
252b5132 | 112 | printf ("[hist_read_rec] s_lowpc 0x%lx s_highpc 0x%lx nsamples %d\n", |
fdcf7d43 ILT |
113 | (unsigned long) s_lowpc, (unsigned long) s_highpc, |
114 | hist_num_bins); | |
252b5132 | 115 | printf ("[hist_read_rec] lowpc 0x%lx highpc 0x%lx\n", |
fdcf7d43 | 116 | (unsigned long) lowpc, (unsigned long) highpc)); |
252b5132 RH |
117 | |
118 | if (n_lowpc != s_lowpc || n_highpc != s_highpc | |
119 | || ncnt != hist_num_bins || hz != profrate) | |
120 | { | |
121 | fprintf (stderr, _("%s: `%s' is incompatible with first gmon file\n"), | |
122 | whoami, filename); | |
123 | done (1); | |
124 | } | |
125 | ||
126 | if (!hist_sample) | |
127 | { | |
128 | hist_sample = (int *) xmalloc (hist_num_bins * sizeof (hist_sample[0])); | |
129 | memset (hist_sample, 0, hist_num_bins * sizeof (hist_sample[0])); | |
130 | } | |
131 | ||
132 | for (i = 0; i < hist_num_bins; ++i) | |
133 | { | |
134 | if (fread (&count[0], sizeof (count), 1, ifp) != 1) | |
135 | { | |
136 | fprintf (stderr, | |
0eee5820 | 137 | _("%s: %s: unexpected EOF after reading %d of %d samples\n"), |
252b5132 RH |
138 | whoami, filename, i, hist_num_bins); |
139 | done (1); | |
140 | } | |
141 | hist_sample[i] += bfd_get_16 (core_bfd, (bfd_byte *) & count[0]); | |
0eee5820 AM |
142 | DBG (SAMPLEDEBUG, |
143 | printf ("[hist_read_rec] 0x%lx: %u\n", | |
144 | (unsigned long) (n_lowpc + i * (n_highpc - n_lowpc) / ncnt), | |
145 | hist_sample[i])); | |
252b5132 RH |
146 | } |
147 | } | |
148 | ||
149 | ||
ef368dac NC |
150 | /* Write execution histogram to file OFP. FILENAME is the name |
151 | of OFP and is provided for formatting error-messages only. */ | |
152 | ||
252b5132 RH |
153 | void |
154 | DEFUN (hist_write_hist, (ofp, filename), FILE * ofp AND const char *filename) | |
155 | { | |
252b5132 RH |
156 | UNIT count; |
157 | int i; | |
158 | ||
ef368dac | 159 | /* Write header. */ |
252b5132 | 160 | |
0eee5820 AM |
161 | if (gmon_io_write_8 (ofp, GMON_TAG_TIME_HIST) |
162 | || gmon_io_write_vma (ofp, s_lowpc) | |
163 | || gmon_io_write_vma (ofp, s_highpc) | |
164 | || gmon_io_write_32 (ofp, hist_num_bins) | |
165 | || gmon_io_write_32 (ofp, hz) | |
166 | || gmon_io_write (ofp, hist_dimension, 15) | |
167 | || gmon_io_write (ofp, &hist_dimension_abbrev, 1)) | |
252b5132 RH |
168 | { |
169 | perror (filename); | |
170 | done (1); | |
171 | } | |
172 | ||
173 | for (i = 0; i < hist_num_bins; ++i) | |
174 | { | |
175 | bfd_put_16 (core_bfd, hist_sample[i], (bfd_byte *) & count[0]); | |
0eee5820 | 176 | |
252b5132 RH |
177 | if (fwrite (&count[0], sizeof (count), 1, ofp) != 1) |
178 | { | |
179 | perror (filename); | |
180 | done (1); | |
181 | } | |
182 | } | |
183 | } | |
184 | ||
185 | ||
ef368dac NC |
186 | /* Calculate scaled entry point addresses (to save time in |
187 | hist_assign_samples), and, on architectures that have procedure | |
188 | entry masks at the start of a function, possibly push the scaled | |
189 | entry points over the procedure entry mask, if it turns out that | |
190 | the entry point is in one bin and the code for a routine is in the | |
191 | next bin. */ | |
192 | ||
252b5132 RH |
193 | static void |
194 | scale_and_align_entries () | |
195 | { | |
196 | Sym *sym; | |
197 | bfd_vma bin_of_entry; | |
198 | bfd_vma bin_of_code; | |
199 | ||
200 | for (sym = symtab.base; sym < symtab.limit; sym++) | |
201 | { | |
202 | sym->hist.scaled_addr = sym->addr / sizeof (UNIT); | |
203 | bin_of_entry = (sym->hist.scaled_addr - lowpc) / hist_scale; | |
0eee5820 AM |
204 | bin_of_code = ((sym->hist.scaled_addr + UNITS_TO_CODE - lowpc) |
205 | / hist_scale); | |
252b5132 RH |
206 | if (bin_of_entry < bin_of_code) |
207 | { | |
208 | DBG (SAMPLEDEBUG, | |
209 | printf ("[scale_and_align_entries] pushing 0x%lx to 0x%lx\n", | |
fdcf7d43 ILT |
210 | (unsigned long) sym->hist.scaled_addr, |
211 | (unsigned long) (sym->hist.scaled_addr | |
212 | + UNITS_TO_CODE))); | |
252b5132 RH |
213 | sym->hist.scaled_addr += UNITS_TO_CODE; |
214 | } | |
215 | } | |
216 | } | |
217 | ||
218 | ||
ef368dac | 219 | /* Assign samples to the symbol to which they belong. |
0eee5820 | 220 | |
ef368dac NC |
221 | Histogram bin I covers some address range [BIN_LOWPC,BIN_HIGH_PC) |
222 | which may overlap one more symbol address ranges. If a symbol | |
223 | overlaps with the bin's address range by O percent, then O percent | |
224 | of the bin's count is credited to that symbol. | |
0eee5820 | 225 | |
ef368dac NC |
226 | There are three cases as to where BIN_LOW_PC and BIN_HIGH_PC can be |
227 | with respect to the symbol's address range [SYM_LOW_PC, | |
228 | SYM_HIGH_PC) as shown in the following diagram. OVERLAP computes | |
229 | the distance (in UNITs) between the arrows, the fraction of the | |
230 | sample that is to be credited to the symbol which starts at | |
231 | SYM_LOW_PC. | |
0eee5820 AM |
232 | |
233 | sym_low_pc sym_high_pc | |
234 | | | | |
235 | v v | |
236 | ||
237 | +-----------------------------------------------+ | |
238 | | | | |
239 | | ->| |<- ->| |<- ->| |<- | | |
240 | | | | | | | | |
241 | +---------+ +---------+ +---------+ | |
242 | ||
243 | ^ ^ ^ ^ ^ ^ | |
244 | | | | | | | | |
ef368dac | 245 | bin_low_pc bin_high_pc bin_low_pc bin_high_pc bin_low_pc bin_high_pc |
0eee5820 | 246 | |
ef368dac NC |
247 | For the VAX we assert that samples will never fall in the first two |
248 | bytes of any routine, since that is the entry mask, thus we call | |
249 | scale_and_align_entries() to adjust the entry points if the entry | |
250 | mask falls in one bin but the code for the routine doesn't start | |
251 | until the next bin. In conjunction with the alignment of routine | |
252 | addresses, this should allow us to have only one sample for every | |
253 | four bytes of text space and never have any overlap (the two end | |
254 | cases, above). */ | |
255 | ||
252b5132 RH |
256 | void |
257 | DEFUN_VOID (hist_assign_samples) | |
258 | { | |
259 | bfd_vma bin_low_pc, bin_high_pc; | |
260 | bfd_vma sym_low_pc, sym_high_pc; | |
261 | bfd_vma overlap, addr; | |
262 | int bin_count, i; | |
263 | unsigned int j; | |
264 | double time, credit; | |
265 | ||
ef368dac | 266 | /* Read samples and assign to symbols. */ |
252b5132 RH |
267 | hist_scale = highpc - lowpc; |
268 | hist_scale /= hist_num_bins; | |
269 | scale_and_align_entries (); | |
270 | ||
ef368dac | 271 | /* Iterate over all sample bins. */ |
252b5132 RH |
272 | for (i = 0, j = 1; i < hist_num_bins; ++i) |
273 | { | |
274 | bin_count = hist_sample[i]; | |
ef368dac NC |
275 | if (! bin_count) |
276 | continue; | |
277 | ||
252b5132 RH |
278 | bin_low_pc = lowpc + (bfd_vma) (hist_scale * i); |
279 | bin_high_pc = lowpc + (bfd_vma) (hist_scale * (i + 1)); | |
280 | time = bin_count; | |
0eee5820 | 281 | |
252b5132 RH |
282 | DBG (SAMPLEDEBUG, |
283 | printf ( | |
284 | "[assign_samples] bin_low_pc=0x%lx, bin_high_pc=0x%lx, bin_count=%d\n", | |
fdcf7d43 ILT |
285 | (unsigned long) (sizeof (UNIT) * bin_low_pc), |
286 | (unsigned long) (sizeof (UNIT) * bin_high_pc), | |
252b5132 RH |
287 | bin_count)); |
288 | total_time += time; | |
289 | ||
ef368dac | 290 | /* Credit all symbols that are covered by bin I. */ |
252b5132 RH |
291 | for (j = j - 1; j < symtab.len; ++j) |
292 | { | |
293 | sym_low_pc = symtab.base[j].hist.scaled_addr; | |
294 | sym_high_pc = symtab.base[j + 1].hist.scaled_addr; | |
0eee5820 | 295 | |
ef368dac NC |
296 | /* If high end of bin is below entry address, |
297 | go for next bin. */ | |
252b5132 | 298 | if (bin_high_pc < sym_low_pc) |
ef368dac NC |
299 | break; |
300 | ||
301 | /* If low end of bin is above high end of symbol, | |
302 | go for next symbol. */ | |
252b5132 | 303 | if (bin_low_pc >= sym_high_pc) |
ef368dac NC |
304 | continue; |
305 | ||
252b5132 RH |
306 | overlap = |
307 | MIN (bin_high_pc, sym_high_pc) - MAX (bin_low_pc, sym_low_pc); | |
308 | if (overlap > 0) | |
309 | { | |
310 | DBG (SAMPLEDEBUG, | |
311 | printf ( | |
0eee5820 AM |
312 | "[assign_samples] [0x%lx,0x%lx) %s gets %f ticks %ld overlap\n", |
313 | (unsigned long) symtab.base[j].addr, | |
314 | (unsigned long) (sizeof (UNIT) * sym_high_pc), | |
315 | symtab.base[j].name, overlap * time / hist_scale, | |
316 | (long) overlap)); | |
317 | ||
252b5132 RH |
318 | addr = symtab.base[j].addr; |
319 | credit = overlap * time / hist_scale; | |
0eee5820 | 320 | |
ef368dac | 321 | /* Credit symbol if it appears in INCL_FLAT or that |
0eee5820 AM |
322 | table is empty and it does not appear it in |
323 | EXCL_FLAT. */ | |
252b5132 RH |
324 | if (sym_lookup (&syms[INCL_FLAT], addr) |
325 | || (syms[INCL_FLAT].len == 0 | |
326 | && !sym_lookup (&syms[EXCL_FLAT], addr))) | |
327 | { | |
328 | symtab.base[j].hist.time += credit; | |
329 | } | |
330 | else | |
331 | { | |
332 | total_time -= credit; | |
333 | } | |
334 | } | |
335 | } | |
336 | } | |
0eee5820 | 337 | |
252b5132 RH |
338 | DBG (SAMPLEDEBUG, printf ("[assign_samples] total_time %f\n", |
339 | total_time)); | |
340 | } | |
341 | ||
342 | ||
ef368dac NC |
343 | /* Print header for flag histogram profile. */ |
344 | ||
252b5132 RH |
345 | static void |
346 | DEFUN (print_header, (prefix), const char prefix) | |
347 | { | |
348 | char unit[64]; | |
349 | ||
350 | sprintf (unit, _("%c%c/call"), prefix, hist_dimension_abbrev); | |
351 | ||
352 | if (bsd_style_output) | |
353 | { | |
354 | printf (_("\ngranularity: each sample hit covers %ld byte(s)"), | |
355 | (long) hist_scale * sizeof (UNIT)); | |
356 | if (total_time > 0.0) | |
357 | { | |
358 | printf (_(" for %.2f%% of %.2f %s\n\n"), | |
359 | 100.0 / total_time, total_time / hz, hist_dimension); | |
360 | } | |
361 | } | |
362 | else | |
363 | { | |
364 | printf (_("\nEach sample counts as %g %s.\n"), 1.0 / hz, hist_dimension); | |
365 | } | |
366 | ||
367 | if (total_time <= 0.0) | |
368 | { | |
369 | printf (_(" no time accumulated\n\n")); | |
0eee5820 | 370 | |
ef368dac | 371 | /* This doesn't hurt since all the numerators will be zero. */ |
252b5132 RH |
372 | total_time = 1.0; |
373 | } | |
374 | ||
375 | printf ("%5.5s %10.10s %8.8s %8.8s %8.8s %8.8s %-8.8s\n", | |
0eee5820 AM |
376 | "% ", _("cumulative"), _("self "), "", _("self "), _("total "), |
377 | ""); | |
252b5132 RH |
378 | printf ("%5.5s %9.9s %8.8s %8.8s %8.8s %8.8s %-8.8s\n", |
379 | _("time"), hist_dimension, hist_dimension, _("calls"), unit, unit, | |
380 | _("name")); | |
381 | } | |
382 | ||
383 | ||
384 | static void | |
385 | DEFUN (print_line, (sym, scale), Sym * sym AND double scale) | |
386 | { | |
387 | if (ignore_zeros && sym->ncalls == 0 && sym->hist.time == 0) | |
ef368dac | 388 | return; |
252b5132 RH |
389 | |
390 | accum_time += sym->hist.time; | |
0eee5820 | 391 | |
252b5132 | 392 | if (bsd_style_output) |
ef368dac NC |
393 | printf ("%5.1f %10.2f %8.2f", |
394 | total_time > 0.0 ? 100 * sym->hist.time / total_time : 0.0, | |
395 | accum_time / hz, sym->hist.time / hz); | |
252b5132 | 396 | else |
ef368dac NC |
397 | printf ("%6.2f %9.2f %8.2f", |
398 | total_time > 0.0 ? 100 * sym->hist.time / total_time : 0.0, | |
399 | accum_time / hz, sym->hist.time / hz); | |
0eee5820 | 400 | |
252b5132 | 401 | if (sym->ncalls != 0) |
ef368dac NC |
402 | printf (" %8lu %8.2f %8.2f ", |
403 | sym->ncalls, scale * sym->hist.time / hz / sym->ncalls, | |
404 | scale * (sym->hist.time + sym->cg.child_time) / hz / sym->ncalls); | |
252b5132 | 405 | else |
ef368dac | 406 | printf (" %8.8s %8.8s %8.8s ", "", "", ""); |
0eee5820 | 407 | |
252b5132 | 408 | if (bsd_style_output) |
ef368dac | 409 | print_name (sym); |
252b5132 | 410 | else |
ef368dac NC |
411 | print_name_only (sym); |
412 | ||
252b5132 RH |
413 | printf ("\n"); |
414 | } | |
415 | ||
416 | ||
ef368dac NC |
417 | /* Compare LP and RP. The primary comparison key is execution time, |
418 | the secondary is number of invocation, and the tertiary is the | |
419 | lexicographic order of the function names. */ | |
420 | ||
252b5132 RH |
421 | static int |
422 | DEFUN (cmp_time, (lp, rp), const PTR lp AND const PTR rp) | |
423 | { | |
424 | const Sym *left = *(const Sym **) lp; | |
425 | const Sym *right = *(const Sym **) rp; | |
426 | double time_diff; | |
427 | ||
428 | time_diff = right->hist.time - left->hist.time; | |
0eee5820 | 429 | |
252b5132 | 430 | if (time_diff > 0.0) |
ef368dac | 431 | return 1; |
0eee5820 | 432 | |
252b5132 | 433 | if (time_diff < 0.0) |
ef368dac | 434 | return -1; |
252b5132 RH |
435 | |
436 | if (right->ncalls > left->ncalls) | |
ef368dac NC |
437 | return 1; |
438 | ||
252b5132 | 439 | if (right->ncalls < left->ncalls) |
ef368dac | 440 | return -1; |
252b5132 RH |
441 | |
442 | return strcmp (left->name, right->name); | |
443 | } | |
444 | ||
445 | ||
ef368dac NC |
446 | /* Print the flat histogram profile. */ |
447 | ||
252b5132 RH |
448 | void |
449 | DEFUN_VOID (hist_print) | |
450 | { | |
451 | Sym **time_sorted_syms, *top_dog, *sym; | |
452 | unsigned int index; | |
453 | int log_scale; | |
454 | double top_time, time; | |
455 | bfd_vma addr; | |
456 | ||
457 | if (first_output) | |
ef368dac | 458 | first_output = FALSE; |
252b5132 | 459 | else |
ef368dac | 460 | printf ("\f\n"); |
252b5132 RH |
461 | |
462 | accum_time = 0.0; | |
0eee5820 | 463 | |
252b5132 RH |
464 | if (bsd_style_output) |
465 | { | |
466 | if (print_descriptions) | |
467 | { | |
468 | printf (_("\n\n\nflat profile:\n")); | |
469 | flat_blurb (stdout); | |
470 | } | |
471 | } | |
472 | else | |
473 | { | |
474 | printf (_("Flat profile:\n")); | |
475 | } | |
0eee5820 | 476 | |
ef368dac NC |
477 | /* Sort the symbol table by time (call-count and name as secondary |
478 | and tertiary keys). */ | |
252b5132 | 479 | time_sorted_syms = (Sym **) xmalloc (symtab.len * sizeof (Sym *)); |
0eee5820 | 480 | |
252b5132 | 481 | for (index = 0; index < symtab.len; ++index) |
ef368dac NC |
482 | time_sorted_syms[index] = &symtab.base[index]; |
483 | ||
252b5132 RH |
484 | qsort (time_sorted_syms, symtab.len, sizeof (Sym *), cmp_time); |
485 | ||
486 | if (bsd_style_output) | |
487 | { | |
ef368dac | 488 | log_scale = 5; /* Milli-seconds is BSD-default. */ |
252b5132 RH |
489 | } |
490 | else | |
491 | { | |
ef368dac NC |
492 | /* Search for symbol with highest per-call |
493 | execution time and scale accordingly. */ | |
252b5132 RH |
494 | log_scale = 0; |
495 | top_dog = 0; | |
496 | top_time = 0.0; | |
0eee5820 | 497 | |
252b5132 RH |
498 | for (index = 0; index < symtab.len; ++index) |
499 | { | |
500 | sym = time_sorted_syms[index]; | |
0eee5820 | 501 | |
252b5132 RH |
502 | if (sym->ncalls != 0) |
503 | { | |
504 | time = (sym->hist.time + sym->cg.child_time) / sym->ncalls; | |
0eee5820 | 505 | |
252b5132 RH |
506 | if (time > top_time) |
507 | { | |
508 | top_dog = sym; | |
509 | top_time = time; | |
510 | } | |
511 | } | |
512 | } | |
0eee5820 | 513 | |
252b5132 RH |
514 | if (top_dog && top_dog->ncalls != 0 && top_time > 0.0) |
515 | { | |
516 | top_time /= hz; | |
0eee5820 | 517 | |
252b5132 RH |
518 | while (SItab[log_scale].scale * top_time < 1000.0 |
519 | && ((size_t) log_scale | |
520 | < sizeof (SItab) / sizeof (SItab[0]) - 1)) | |
521 | { | |
522 | ++log_scale; | |
523 | } | |
524 | } | |
525 | } | |
526 | ||
ef368dac NC |
527 | /* For now, the dimension is always seconds. In the future, we |
528 | may also want to support other (pseudo-)dimensions (such as | |
529 | I-cache misses etc.). */ | |
252b5132 | 530 | print_header (SItab[log_scale].prefix); |
0eee5820 | 531 | |
252b5132 RH |
532 | for (index = 0; index < symtab.len; ++index) |
533 | { | |
534 | addr = time_sorted_syms[index]->addr; | |
0eee5820 | 535 | |
ef368dac | 536 | /* Print symbol if its in INCL_FLAT table or that table |
0eee5820 | 537 | is empty and the symbol is not in EXCL_FLAT. */ |
252b5132 RH |
538 | if (sym_lookup (&syms[INCL_FLAT], addr) |
539 | || (syms[INCL_FLAT].len == 0 | |
540 | && !sym_lookup (&syms[EXCL_FLAT], addr))) | |
ef368dac | 541 | print_line (time_sorted_syms[index], SItab[log_scale].scale); |
252b5132 | 542 | } |
0eee5820 | 543 | |
252b5132 RH |
544 | free (time_sorted_syms); |
545 | ||
546 | if (print_descriptions && !bsd_style_output) | |
ef368dac | 547 | flat_blurb (stdout); |
252b5132 | 548 | } |