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Diffstat (limited to 'tools/perf/util/build-id.c')
-rw-r--r--tools/perf/util/build-id.c44
1 files changed, 20 insertions, 24 deletions
diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
index 0c72680a977f..9f764f633e57 100644
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -259,8 +259,8 @@ void disable_buildid_cache(void)
259 no_buildid_cache = true; 259 no_buildid_cache = true;
260} 260}
261 261
262int build_id_cache__add_s(const char *sbuild_id, const char *debugdir, 262int build_id_cache__add_s(const char *sbuild_id, const char *name,
263 const char *name, bool is_kallsyms, bool is_vdso) 263 bool is_kallsyms, bool is_vdso)
264{ 264{
265 const size_t size = PATH_MAX; 265 const size_t size = PATH_MAX;
266 char *realname, *filename = zalloc(size), 266 char *realname, *filename = zalloc(size),
@@ -282,7 +282,7 @@ int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
282 goto out_free; 282 goto out_free;
283 283
284 len = scnprintf(filename, size, "%s%s%s", 284 len = scnprintf(filename, size, "%s%s%s",
285 debugdir, slash ? "/" : "", 285 buildid_dir, slash ? "/" : "",
286 is_vdso ? DSO__NAME_VDSO : realname); 286 is_vdso ? DSO__NAME_VDSO : realname);
287 if (mkdir_p(filename, 0755)) 287 if (mkdir_p(filename, 0755))
288 goto out_free; 288 goto out_free;
@@ -298,13 +298,13 @@ int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
298 } 298 }
299 299
300 len = scnprintf(linkname, size, "%s/.build-id/%.2s", 300 len = scnprintf(linkname, size, "%s/.build-id/%.2s",
301 debugdir, sbuild_id); 301 buildid_dir, sbuild_id);
302 302
303 if (access(linkname, X_OK) && mkdir_p(linkname, 0755)) 303 if (access(linkname, X_OK) && mkdir_p(linkname, 0755))
304 goto out_free; 304 goto out_free;
305 305
306 snprintf(linkname + len, size - len, "/%s", sbuild_id + 2); 306 snprintf(linkname + len, size - len, "/%s", sbuild_id + 2);
307 targetname = filename + strlen(debugdir) - 5; 307 targetname = filename + strlen(buildid_dir) - 5;
308 memcpy(targetname, "../..", 5); 308 memcpy(targetname, "../..", 5);
309 309
310 if (symlink(targetname, linkname) == 0) 310 if (symlink(targetname, linkname) == 0)
@@ -318,18 +318,17 @@ out_free:
318} 318}
319 319
320static int build_id_cache__add_b(const u8 *build_id, size_t build_id_size, 320static int build_id_cache__add_b(const u8 *build_id, size_t build_id_size,
321 const char *name, const char *debugdir, 321 const char *name, bool is_kallsyms,
322 bool is_kallsyms, bool is_vdso) 322 bool is_vdso)
323{ 323{
324 char sbuild_id[BUILD_ID_SIZE * 2 + 1]; 324 char sbuild_id[BUILD_ID_SIZE * 2 + 1];
325 325
326 build_id__sprintf(build_id, build_id_size, sbuild_id); 326 build_id__sprintf(build_id, build_id_size, sbuild_id);
327 327
328 return build_id_cache__add_s(sbuild_id, debugdir, name, 328 return build_id_cache__add_s(sbuild_id, name, is_kallsyms, is_vdso);
329 is_kallsyms, is_vdso);
330} 329}
331 330
332int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir) 331int build_id_cache__remove_s(const char *sbuild_id)
333{ 332{
334 const size_t size = PATH_MAX; 333 const size_t size = PATH_MAX;
335 char *filename = zalloc(size), 334 char *filename = zalloc(size),
@@ -340,7 +339,7 @@ int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir)
340 goto out_free; 339 goto out_free;
341 340
342 snprintf(linkname, size, "%s/.build-id/%.2s/%s", 341 snprintf(linkname, size, "%s/.build-id/%.2s/%s",
343 debugdir, sbuild_id, sbuild_id + 2); 342 buildid_dir, sbuild_id, sbuild_id + 2);
344 343
345 if (access(linkname, F_OK)) 344 if (access(linkname, F_OK))
346 goto out_free; 345 goto out_free;
@@ -355,7 +354,7 @@ int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir)
355 * Since the link is relative, we must make it absolute: 354 * Since the link is relative, we must make it absolute:
356 */ 355 */
357 snprintf(linkname, size, "%s/.build-id/%.2s/%s", 356 snprintf(linkname, size, "%s/.build-id/%.2s/%s",
358 debugdir, sbuild_id, filename); 357 buildid_dir, sbuild_id, filename);
359 358
360 if (unlink(linkname)) 359 if (unlink(linkname))
361 goto out_free; 360 goto out_free;
@@ -367,8 +366,7 @@ out_free:
367 return err; 366 return err;
368} 367}
369 368
370static int dso__cache_build_id(struct dso *dso, struct machine *machine, 369static int dso__cache_build_id(struct dso *dso, struct machine *machine)
371 const char *debugdir)
372{ 370{
373 bool is_kallsyms = dso->kernel && dso->long_name[0] != '/'; 371 bool is_kallsyms = dso->kernel && dso->long_name[0] != '/';
374 bool is_vdso = dso__is_vdso(dso); 372 bool is_vdso = dso__is_vdso(dso);
@@ -381,28 +379,26 @@ static int dso__cache_build_id(struct dso *dso, struct machine *machine,
381 name = nm; 379 name = nm;
382 } 380 }
383 return build_id_cache__add_b(dso->build_id, sizeof(dso->build_id), name, 381 return build_id_cache__add_b(dso->build_id, sizeof(dso->build_id), name,
384 debugdir, is_kallsyms, is_vdso); 382 is_kallsyms, is_vdso);
385} 383}
386 384
387static int __dsos__cache_build_ids(struct list_head *head, 385static int __dsos__cache_build_ids(struct list_head *head,
388 struct machine *machine, const char *debugdir) 386 struct machine *machine)
389{ 387{
390 struct dso *pos; 388 struct dso *pos;
391 int err = 0; 389 int err = 0;
392 390
393 dsos__for_each_with_build_id(pos, head) 391 dsos__for_each_with_build_id(pos, head)
394 if (dso__cache_build_id(pos, machine, debugdir)) 392 if (dso__cache_build_id(pos, machine))
395 err = -1; 393 err = -1;
396 394
397 return err; 395 return err;
398} 396}
399 397
400static int machine__cache_build_ids(struct machine *machine, const char *debugdir) 398static int machine__cache_build_ids(struct machine *machine)
401{ 399{
402 int ret = __dsos__cache_build_ids(&machine->kernel_dsos.head, machine, 400 int ret = __dsos__cache_build_ids(&machine->kernel_dsos.head, machine);
403 debugdir); 401 ret |= __dsos__cache_build_ids(&machine->user_dsos.head, machine);
404 ret |= __dsos__cache_build_ids(&machine->user_dsos.head, machine,
405 debugdir);
406 return ret; 402 return ret;
407} 403}
408 404
@@ -417,11 +413,11 @@ int perf_session__cache_build_ids(struct perf_session *session)
417 if (mkdir(buildid_dir, 0755) != 0 && errno != EEXIST) 413 if (mkdir(buildid_dir, 0755) != 0 && errno != EEXIST)
418 return -1; 414 return -1;
419 415
420 ret = machine__cache_build_ids(&session->machines.host, buildid_dir); 416 ret = machine__cache_build_ids(&session->machines.host);
421 417
422 for (nd = rb_first(&session->machines.guests); nd; nd = rb_next(nd)) { 418 for (nd = rb_first(&session->machines.guests); nd; nd = rb_next(nd)) {
423 struct machine *pos = rb_entry(nd, struct machine, rb_node); 419 struct machine *pos = rb_entry(nd, struct machine, rb_node);
424 ret |= machine__cache_build_ids(pos, buildid_dir); 420 ret |= machine__cache_build_ids(pos);
425 } 421 }
426 return ret ? -1 : 0; 422 return ret ? -1 : 0;
427} 423}