14a3cec84SArnaldo Carvalho de Melo // SPDX-License-Identifier: GPL-2.0 24a3cec84SArnaldo Carvalho de Melo #include "debug.h" 34a3cec84SArnaldo Carvalho de Melo #include "dsos.h" 44a3cec84SArnaldo Carvalho de Melo #include "dso.h" 567fd1892SNamhyung Kim #include "util.h" 64a3cec84SArnaldo Carvalho de Melo #include "vdso.h" 74a3cec84SArnaldo Carvalho de Melo #include "namespaces.h" 867fd1892SNamhyung Kim #include <errno.h> 94a3cec84SArnaldo Carvalho de Melo #include <libgen.h> 104a3cec84SArnaldo Carvalho de Melo #include <stdlib.h> 114a3cec84SArnaldo Carvalho de Melo #include <string.h> 124a3cec84SArnaldo Carvalho de Melo #include <symbol.h> // filename__read_build_id 1367fd1892SNamhyung Kim #include <unistd.h> 144a3cec84SArnaldo Carvalho de Melo 1583acca9fSIan Rogers void dsos__init(struct dsos *dsos) 1683acca9fSIan Rogers { 1783acca9fSIan Rogers init_rwsem(&dsos->lock); 183f4ac23aSIan Rogers 193f4ac23aSIan Rogers dsos->cnt = 0; 203f4ac23aSIan Rogers dsos->allocated = 0; 213f4ac23aSIan Rogers dsos->dsos = NULL; 223f4ac23aSIan Rogers dsos->sorted = true; 2383acca9fSIan Rogers } 2483acca9fSIan Rogers 2583acca9fSIan Rogers static void dsos__purge(struct dsos *dsos) 2683acca9fSIan Rogers { 2783acca9fSIan Rogers down_write(&dsos->lock); 2883acca9fSIan Rogers 293f4ac23aSIan Rogers for (unsigned int i = 0; i < dsos->cnt; i++) { 303f4ac23aSIan Rogers struct dso *dso = dsos->dsos[i]; 313f4ac23aSIan Rogers 32ee756ef7SIan Rogers dso__set_dsos(dso, NULL); 333f4ac23aSIan Rogers dso__put(dso); 3483acca9fSIan Rogers } 3583acca9fSIan Rogers 363f4ac23aSIan Rogers zfree(&dsos->dsos); 373f4ac23aSIan Rogers dsos->cnt = 0; 383f4ac23aSIan Rogers dsos->allocated = 0; 393f4ac23aSIan Rogers dsos->sorted = true; 403f4ac23aSIan Rogers 4183acca9fSIan Rogers up_write(&dsos->lock); 4283acca9fSIan Rogers } 4383acca9fSIan Rogers 4483acca9fSIan Rogers void dsos__exit(struct dsos *dsos) 4583acca9fSIan Rogers { 4683acca9fSIan Rogers dsos__purge(dsos); 4783acca9fSIan Rogers exit_rwsem(&dsos->lock); 4883acca9fSIan Rogers } 4983acca9fSIan Rogers 500ffc8fcaSIan Rogers 510ffc8fcaSIan Rogers static int __dsos__for_each_dso(struct dsos *dsos, 520ffc8fcaSIan Rogers int (*cb)(struct dso *dso, void *data), 530ffc8fcaSIan Rogers void *data) 544a3cec84SArnaldo Carvalho de Melo { 553f4ac23aSIan Rogers for (unsigned int i = 0; i < dsos->cnt; i++) { 563f4ac23aSIan Rogers struct dso *dso = dsos->dsos[i]; 570ffc8fcaSIan Rogers int err; 580ffc8fcaSIan Rogers 590ffc8fcaSIan Rogers err = cb(dso, data); 600ffc8fcaSIan Rogers if (err) 610ffc8fcaSIan Rogers return err; 620ffc8fcaSIan Rogers } 630ffc8fcaSIan Rogers return 0; 640ffc8fcaSIan Rogers } 650ffc8fcaSIan Rogers 660ffc8fcaSIan Rogers struct dsos__read_build_ids_cb_args { 670ffc8fcaSIan Rogers bool with_hits; 680ffc8fcaSIan Rogers bool have_build_id; 690ffc8fcaSIan Rogers }; 700ffc8fcaSIan Rogers 710ffc8fcaSIan Rogers static int dsos__read_build_ids_cb(struct dso *dso, void *data) 720ffc8fcaSIan Rogers { 730ffc8fcaSIan Rogers struct dsos__read_build_ids_cb_args *args = data; 744a3cec84SArnaldo Carvalho de Melo struct nscookie nsc; 754a3cec84SArnaldo Carvalho de Melo 76ee756ef7SIan Rogers if (args->with_hits && !dso__hit(dso) && !dso__is_vdso(dso)) 770ffc8fcaSIan Rogers return 0; 78ee756ef7SIan Rogers if (dso__has_build_id(dso)) { 790ffc8fcaSIan Rogers args->have_build_id = true; 800ffc8fcaSIan Rogers return 0; 814a3cec84SArnaldo Carvalho de Melo } 82ee756ef7SIan Rogers nsinfo__mountns_enter(dso__nsinfo(dso), &nsc); 83ee756ef7SIan Rogers if (filename__read_build_id(dso__long_name(dso), dso__bid(dso)) > 0) { 840ffc8fcaSIan Rogers args->have_build_id = true; 85ee756ef7SIan Rogers dso__set_has_build_id(dso); 86ee756ef7SIan Rogers } else if (errno == ENOENT && dso__nsinfo(dso)) { 87ee756ef7SIan Rogers char *new_name = dso__filename_with_chroot(dso, dso__long_name(dso)); 8867fd1892SNamhyung Kim 89ee756ef7SIan Rogers if (new_name && filename__read_build_id(new_name, dso__bid(dso)) > 0) { 900ffc8fcaSIan Rogers args->have_build_id = true; 91ee756ef7SIan Rogers dso__set_has_build_id(dso); 9267fd1892SNamhyung Kim } 9367fd1892SNamhyung Kim free(new_name); 944a3cec84SArnaldo Carvalho de Melo } 954a3cec84SArnaldo Carvalho de Melo nsinfo__mountns_exit(&nsc); 960ffc8fcaSIan Rogers return 0; 974a3cec84SArnaldo Carvalho de Melo } 984a3cec84SArnaldo Carvalho de Melo 990ffc8fcaSIan Rogers bool dsos__read_build_ids(struct dsos *dsos, bool with_hits) 1000ffc8fcaSIan Rogers { 1010ffc8fcaSIan Rogers struct dsos__read_build_ids_cb_args args = { 1020ffc8fcaSIan Rogers .with_hits = with_hits, 1030ffc8fcaSIan Rogers .have_build_id = false, 1040ffc8fcaSIan Rogers }; 1050ffc8fcaSIan Rogers 1060ffc8fcaSIan Rogers dsos__for_each_dso(dsos, dsos__read_build_ids_cb, &args); 1070ffc8fcaSIan Rogers return args.have_build_id; 1084a3cec84SArnaldo Carvalho de Melo } 1094a3cec84SArnaldo Carvalho de Melo 1107a9418cfSIan Rogers static int __dso__cmp_long_name(const char *long_name, const struct dso_id *id, 1117a9418cfSIan Rogers const struct dso *b) 1120e3149f8SArnaldo Carvalho de Melo { 113ee756ef7SIan Rogers int rc = strcmp(long_name, dso__long_name(b)); 114ee756ef7SIan Rogers return rc ?: dso_id__cmp(id, dso__id_const(b)); 1150e3149f8SArnaldo Carvalho de Melo } 1160e3149f8SArnaldo Carvalho de Melo 1177a9418cfSIan Rogers static int __dso__cmp_short_name(const char *short_name, const struct dso_id *id, 1187a9418cfSIan Rogers const struct dso *b) 1190e3149f8SArnaldo Carvalho de Melo { 120ee756ef7SIan Rogers int rc = strcmp(short_name, dso__short_name(b)); 121ee756ef7SIan Rogers return rc ?: dso_id__cmp(id, dso__id_const(b)); 1220e3149f8SArnaldo Carvalho de Melo } 1230e3149f8SArnaldo Carvalho de Melo 1243f4ac23aSIan Rogers static int dsos__cmp_long_name_id_short_name(const void *va, const void *vb) 1253f4ac23aSIan Rogers { 1263f4ac23aSIan Rogers const struct dso *a = *((const struct dso **)va); 1273f4ac23aSIan Rogers const struct dso *b = *((const struct dso **)vb); 128ee756ef7SIan Rogers int rc = strcmp(dso__long_name(a), dso__long_name(b)); 1293f4ac23aSIan Rogers 1303f4ac23aSIan Rogers if (!rc) { 131ee756ef7SIan Rogers rc = dso_id__cmp(dso__id_const(a), dso__id_const(b)); 1323f4ac23aSIan Rogers if (!rc) 133ee756ef7SIan Rogers rc = strcmp(dso__short_name(a), dso__short_name(b)); 1343f4ac23aSIan Rogers } 1353f4ac23aSIan Rogers return rc; 1363f4ac23aSIan Rogers } 1373f4ac23aSIan Rogers 1387a9418cfSIan Rogers struct dsos__key { 1397a9418cfSIan Rogers const char *long_name; 1407a9418cfSIan Rogers const struct dso_id *id; 1417a9418cfSIan Rogers }; 1427a9418cfSIan Rogers 1437a9418cfSIan Rogers static int dsos__cmp_key_long_name_id(const void *vkey, const void *vdso) 1447a9418cfSIan Rogers { 1457a9418cfSIan Rogers const struct dsos__key *key = vkey; 1467a9418cfSIan Rogers const struct dso *dso = *((const struct dso **)vdso); 1477a9418cfSIan Rogers 1487a9418cfSIan Rogers return __dso__cmp_long_name(key->long_name, key->id, dso); 1497a9418cfSIan Rogers } 1507a9418cfSIan Rogers 1514a3cec84SArnaldo Carvalho de Melo /* 1524a3cec84SArnaldo Carvalho de Melo * Find a matching entry and/or link current entry to RB tree. 1534a3cec84SArnaldo Carvalho de Melo * Either one of the dso or name parameter must be non-NULL or the 1544a3cec84SArnaldo Carvalho de Melo * function will not work. 1554a3cec84SArnaldo Carvalho de Melo */ 1567410d600SIan Rogers static struct dso *__dsos__find_by_longname_id(struct dsos *dsos, 1573f4ac23aSIan Rogers const char *name, 1583f4ac23aSIan Rogers struct dso_id *id, 1593f4ac23aSIan Rogers bool write_locked) 1604a3cec84SArnaldo Carvalho de Melo { 1617a9418cfSIan Rogers struct dsos__key key = { 1627a9418cfSIan Rogers .long_name = name, 1637a9418cfSIan Rogers .id = id, 1647a9418cfSIan Rogers }; 1657a9418cfSIan Rogers struct dso **res; 1663f4ac23aSIan Rogers 1670eb739d8SNamhyung Kim if (dsos->dsos == NULL) 1680eb739d8SNamhyung Kim return NULL; 1690eb739d8SNamhyung Kim 1703f4ac23aSIan Rogers if (!dsos->sorted) { 1713f4ac23aSIan Rogers if (!write_locked) { 1727410d600SIan Rogers struct dso *dso; 1737410d600SIan Rogers 1743f4ac23aSIan Rogers up_read(&dsos->lock); 1753f4ac23aSIan Rogers down_write(&dsos->lock); 1767410d600SIan Rogers dso = __dsos__find_by_longname_id(dsos, name, id, 1773f4ac23aSIan Rogers /*write_locked=*/true); 1783f4ac23aSIan Rogers up_write(&dsos->lock); 1793f4ac23aSIan Rogers down_read(&dsos->lock); 1803f4ac23aSIan Rogers return dso; 1813f4ac23aSIan Rogers } 1823f4ac23aSIan Rogers qsort(dsos->dsos, dsos->cnt, sizeof(struct dso *), 1833f4ac23aSIan Rogers dsos__cmp_long_name_id_short_name); 1843f4ac23aSIan Rogers dsos->sorted = true; 1853f4ac23aSIan Rogers } 1864a3cec84SArnaldo Carvalho de Melo 1877a9418cfSIan Rogers res = bsearch(&key, dsos->dsos, dsos->cnt, sizeof(struct dso *), 1887a9418cfSIan Rogers dsos__cmp_key_long_name_id); 1897a9418cfSIan Rogers if (!res) 1904a3cec84SArnaldo Carvalho de Melo return NULL; 1917a9418cfSIan Rogers 1927a9418cfSIan Rogers return dso__get(*res); 1934a3cec84SArnaldo Carvalho de Melo } 1944a3cec84SArnaldo Carvalho de Melo 1953f4ac23aSIan Rogers int __dsos__add(struct dsos *dsos, struct dso *dso) 1964a3cec84SArnaldo Carvalho de Melo { 1973f4ac23aSIan Rogers if (dsos->cnt == dsos->allocated) { 1983f4ac23aSIan Rogers unsigned int to_allocate = 2; 1993f4ac23aSIan Rogers struct dso **temp; 2003f4ac23aSIan Rogers 2013f4ac23aSIan Rogers if (dsos->allocated > 0) 2023f4ac23aSIan Rogers to_allocate = dsos->allocated * 2; 2033f4ac23aSIan Rogers temp = realloc(dsos->dsos, sizeof(struct dso *) * to_allocate); 2043f4ac23aSIan Rogers if (!temp) 2053f4ac23aSIan Rogers return -ENOMEM; 2063f4ac23aSIan Rogers dsos->dsos = temp; 2073f4ac23aSIan Rogers dsos->allocated = to_allocate; 2083f4ac23aSIan Rogers } 209*1059fb52SIan Rogers if (!dsos->sorted) { 2103f4ac23aSIan Rogers dsos->dsos[dsos->cnt++] = dso__get(dso); 211*1059fb52SIan Rogers } else { 212*1059fb52SIan Rogers int low = 0, high = dsos->cnt - 1; 213*1059fb52SIan Rogers int insert = dsos->cnt; /* Default to inserting at the end. */ 214*1059fb52SIan Rogers 215*1059fb52SIan Rogers while (low <= high) { 216*1059fb52SIan Rogers int mid = low + (high - low) / 2; 217*1059fb52SIan Rogers int cmp = dsos__cmp_long_name_id_short_name(&dsos->dsos[mid], &dso); 218*1059fb52SIan Rogers 219*1059fb52SIan Rogers if (cmp < 0) { 220*1059fb52SIan Rogers low = mid + 1; 221*1059fb52SIan Rogers } else { 222*1059fb52SIan Rogers high = mid - 1; 223*1059fb52SIan Rogers insert = mid; 224*1059fb52SIan Rogers } 225*1059fb52SIan Rogers } 226*1059fb52SIan Rogers memmove(&dsos->dsos[insert + 1], &dsos->dsos[insert], 227*1059fb52SIan Rogers (dsos->cnt - insert) * sizeof(struct dso *)); 228*1059fb52SIan Rogers dsos->cnt++; 229*1059fb52SIan Rogers dsos->dsos[insert] = dso__get(dso); 2303f4ac23aSIan Rogers } 231ee756ef7SIan Rogers dso__set_dsos(dso, dsos); 2323f4ac23aSIan Rogers return 0; 2334a3cec84SArnaldo Carvalho de Melo } 2344a3cec84SArnaldo Carvalho de Melo 2353f4ac23aSIan Rogers int dsos__add(struct dsos *dsos, struct dso *dso) 2364a3cec84SArnaldo Carvalho de Melo { 2373f4ac23aSIan Rogers int ret; 2383f4ac23aSIan Rogers 2394a3cec84SArnaldo Carvalho de Melo down_write(&dsos->lock); 2403f4ac23aSIan Rogers ret = __dsos__add(dsos, dso); 2414a3cec84SArnaldo Carvalho de Melo up_write(&dsos->lock); 2423f4ac23aSIan Rogers return ret; 2434a3cec84SArnaldo Carvalho de Melo } 2444a3cec84SArnaldo Carvalho de Melo 2450ffc8fcaSIan Rogers struct dsos__find_id_cb_args { 2460ffc8fcaSIan Rogers const char *name; 2470ffc8fcaSIan Rogers struct dso_id *id; 2480ffc8fcaSIan Rogers struct dso *res; 2490ffc8fcaSIan Rogers }; 2500ffc8fcaSIan Rogers 2510ffc8fcaSIan Rogers static int dsos__find_id_cb(struct dso *dso, void *data) 2520ffc8fcaSIan Rogers { 2530ffc8fcaSIan Rogers struct dsos__find_id_cb_args *args = data; 2540ffc8fcaSIan Rogers 2550ffc8fcaSIan Rogers if (__dso__cmp_short_name(args->name, args->id, dso) == 0) { 2560ffc8fcaSIan Rogers args->res = dso__get(dso); 2570ffc8fcaSIan Rogers return 1; 2580ffc8fcaSIan Rogers } 2590ffc8fcaSIan Rogers return 0; 2600ffc8fcaSIan Rogers 2610ffc8fcaSIan Rogers } 2620ffc8fcaSIan Rogers 2633f4ac23aSIan Rogers static struct dso *__dsos__find_id(struct dsos *dsos, const char *name, struct dso_id *id, 2643f4ac23aSIan Rogers bool cmp_short, bool write_locked) 2654a3cec84SArnaldo Carvalho de Melo { 2660ffc8fcaSIan Rogers struct dso *res; 2674a3cec84SArnaldo Carvalho de Melo 2684a3cec84SArnaldo Carvalho de Melo if (cmp_short) { 2690ffc8fcaSIan Rogers struct dsos__find_id_cb_args args = { 2700ffc8fcaSIan Rogers .name = name, 2710ffc8fcaSIan Rogers .id = id, 2720ffc8fcaSIan Rogers .res = NULL, 2730ffc8fcaSIan Rogers }; 2740ffc8fcaSIan Rogers 2750ffc8fcaSIan Rogers __dsos__for_each_dso(dsos, dsos__find_id_cb, &args); 2760ffc8fcaSIan Rogers return args.res; 2774a3cec84SArnaldo Carvalho de Melo } 2787410d600SIan Rogers res = __dsos__find_by_longname_id(dsos, name, id, write_locked); 2790ffc8fcaSIan Rogers return res; 2800e3149f8SArnaldo Carvalho de Melo } 2810e3149f8SArnaldo Carvalho de Melo 282f649ed80SIan Rogers struct dso *dsos__find(struct dsos *dsos, const char *name, bool cmp_short) 2830e3149f8SArnaldo Carvalho de Melo { 284f649ed80SIan Rogers struct dso *res; 285f649ed80SIan Rogers 286f649ed80SIan Rogers down_read(&dsos->lock); 2873f4ac23aSIan Rogers res = __dsos__find_id(dsos, name, NULL, cmp_short, /*write_locked=*/false); 288f649ed80SIan Rogers up_read(&dsos->lock); 289f649ed80SIan Rogers return res; 2904a3cec84SArnaldo Carvalho de Melo } 2914a3cec84SArnaldo Carvalho de Melo 2924a3cec84SArnaldo Carvalho de Melo static void dso__set_basename(struct dso *dso) 2934a3cec84SArnaldo Carvalho de Melo { 2944a3cec84SArnaldo Carvalho de Melo char *base, *lname; 2954a3cec84SArnaldo Carvalho de Melo int tid; 2964a3cec84SArnaldo Carvalho de Melo 297b9241f15SAthira Rajeev if (perf_pid_map_tid(dso__long_name(dso), &tid)) { 2984a3cec84SArnaldo Carvalho de Melo if (asprintf(&base, "[JIT] tid %d", tid) < 0) 2994a3cec84SArnaldo Carvalho de Melo return; 3004a3cec84SArnaldo Carvalho de Melo } else { 3014a3cec84SArnaldo Carvalho de Melo /* 3024a3cec84SArnaldo Carvalho de Melo * basename() may modify path buffer, so we must pass 3034a3cec84SArnaldo Carvalho de Melo * a copy. 3044a3cec84SArnaldo Carvalho de Melo */ 305ee756ef7SIan Rogers lname = strdup(dso__long_name(dso)); 3064a3cec84SArnaldo Carvalho de Melo if (!lname) 3074a3cec84SArnaldo Carvalho de Melo return; 3084a3cec84SArnaldo Carvalho de Melo 3094a3cec84SArnaldo Carvalho de Melo /* 3104a3cec84SArnaldo Carvalho de Melo * basename() may return a pointer to internal 3114a3cec84SArnaldo Carvalho de Melo * storage which is reused in subsequent calls 3124a3cec84SArnaldo Carvalho de Melo * so copy the result. 3134a3cec84SArnaldo Carvalho de Melo */ 3144a3cec84SArnaldo Carvalho de Melo base = strdup(basename(lname)); 3154a3cec84SArnaldo Carvalho de Melo 3164a3cec84SArnaldo Carvalho de Melo free(lname); 3174a3cec84SArnaldo Carvalho de Melo 3184a3cec84SArnaldo Carvalho de Melo if (!base) 3194a3cec84SArnaldo Carvalho de Melo return; 3204a3cec84SArnaldo Carvalho de Melo } 3214a3cec84SArnaldo Carvalho de Melo dso__set_short_name(dso, base, true); 3224a3cec84SArnaldo Carvalho de Melo } 3234a3cec84SArnaldo Carvalho de Melo 3240e3149f8SArnaldo Carvalho de Melo static struct dso *__dsos__addnew_id(struct dsos *dsos, const char *name, struct dso_id *id) 3254a3cec84SArnaldo Carvalho de Melo { 3260e3149f8SArnaldo Carvalho de Melo struct dso *dso = dso__new_id(name, id); 3274a3cec84SArnaldo Carvalho de Melo 3284a3cec84SArnaldo Carvalho de Melo if (dso != NULL) { 3293f4ac23aSIan Rogers /* 3303f4ac23aSIan Rogers * The dsos lock is held on entry, so rename the dso before 3313f4ac23aSIan Rogers * adding it to avoid needing to take the dsos lock again to say 3323f4ac23aSIan Rogers * the array isn't sorted. 3333f4ac23aSIan Rogers */ 3344a3cec84SArnaldo Carvalho de Melo dso__set_basename(dso); 3353f4ac23aSIan Rogers __dsos__add(dsos, dso); 3364a3cec84SArnaldo Carvalho de Melo } 3374a3cec84SArnaldo Carvalho de Melo return dso; 3384a3cec84SArnaldo Carvalho de Melo } 3394a3cec84SArnaldo Carvalho de Melo 3400e3149f8SArnaldo Carvalho de Melo static struct dso *__dsos__findnew_id(struct dsos *dsos, const char *name, struct dso_id *id) 3410e3149f8SArnaldo Carvalho de Melo { 3423f4ac23aSIan Rogers struct dso *dso = __dsos__find_id(dsos, name, id, false, /*write_locked=*/true); 3430d33b343SRavi Bangoria 344ee756ef7SIan Rogers if (dso && dso_id__empty(dso__id(dso)) && !dso_id__empty(id)) 3453f4ac23aSIan Rogers __dso__inject_id(dso, id); 3460d33b343SRavi Bangoria 3470e3149f8SArnaldo Carvalho de Melo return dso ? dso : __dsos__addnew_id(dsos, name, id); 3480e3149f8SArnaldo Carvalho de Melo } 3490e3149f8SArnaldo Carvalho de Melo 3500e3149f8SArnaldo Carvalho de Melo struct dso *dsos__findnew_id(struct dsos *dsos, const char *name, struct dso_id *id) 3514a3cec84SArnaldo Carvalho de Melo { 3524a3cec84SArnaldo Carvalho de Melo struct dso *dso; 3534a3cec84SArnaldo Carvalho de Melo down_write(&dsos->lock); 354f649ed80SIan Rogers dso = __dsos__findnew_id(dsos, name, id); 3554a3cec84SArnaldo Carvalho de Melo up_write(&dsos->lock); 3564a3cec84SArnaldo Carvalho de Melo return dso; 3574a3cec84SArnaldo Carvalho de Melo } 3584a3cec84SArnaldo Carvalho de Melo 3590ffc8fcaSIan Rogers struct dsos__fprintf_buildid_cb_args { 3600ffc8fcaSIan Rogers FILE *fp; 3610ffc8fcaSIan Rogers bool (*skip)(struct dso *dso, int parm); 3620ffc8fcaSIan Rogers int parm; 3630ffc8fcaSIan Rogers size_t ret; 3640ffc8fcaSIan Rogers }; 3654a3cec84SArnaldo Carvalho de Melo 3660ffc8fcaSIan Rogers static int dsos__fprintf_buildid_cb(struct dso *dso, void *data) 3670ffc8fcaSIan Rogers { 3680ffc8fcaSIan Rogers struct dsos__fprintf_buildid_cb_args *args = data; 369e9ad9438SJiri Olsa char sbuild_id[SBUILD_ID_SIZE]; 370e9ad9438SJiri Olsa 3710ffc8fcaSIan Rogers if (args->skip && args->skip(dso, args->parm)) 37283acca9fSIan Rogers return 0; 373ee756ef7SIan Rogers build_id__sprintf(dso__bid(dso), sbuild_id); 374ee756ef7SIan Rogers args->ret += fprintf(args->fp, "%-40s %s\n", sbuild_id, dso__long_name(dso)); 3750ffc8fcaSIan Rogers return 0; 3760ffc8fcaSIan Rogers } 3770ffc8fcaSIan Rogers 3780ffc8fcaSIan Rogers size_t dsos__fprintf_buildid(struct dsos *dsos, FILE *fp, 3790ffc8fcaSIan Rogers bool (*skip)(struct dso *dso, int parm), int parm) 3800ffc8fcaSIan Rogers { 3810ffc8fcaSIan Rogers struct dsos__fprintf_buildid_cb_args args = { 3820ffc8fcaSIan Rogers .fp = fp, 3830ffc8fcaSIan Rogers .skip = skip, 3840ffc8fcaSIan Rogers .parm = parm, 3850ffc8fcaSIan Rogers .ret = 0, 3860ffc8fcaSIan Rogers }; 3870ffc8fcaSIan Rogers 3880ffc8fcaSIan Rogers dsos__for_each_dso(dsos, dsos__fprintf_buildid_cb, &args); 3890ffc8fcaSIan Rogers return args.ret; 3900ffc8fcaSIan Rogers } 3910ffc8fcaSIan Rogers 3920ffc8fcaSIan Rogers struct dsos__fprintf_cb_args { 3930ffc8fcaSIan Rogers FILE *fp; 3940ffc8fcaSIan Rogers size_t ret; 3950ffc8fcaSIan Rogers }; 3960ffc8fcaSIan Rogers 3970ffc8fcaSIan Rogers static int dsos__fprintf_cb(struct dso *dso, void *data) 3980ffc8fcaSIan Rogers { 3990ffc8fcaSIan Rogers struct dsos__fprintf_cb_args *args = data; 4000ffc8fcaSIan Rogers 4010ffc8fcaSIan Rogers args->ret += dso__fprintf(dso, args->fp); 4020ffc8fcaSIan Rogers return 0; 4030ffc8fcaSIan Rogers } 4040ffc8fcaSIan Rogers 4050ffc8fcaSIan Rogers size_t dsos__fprintf(struct dsos *dsos, FILE *fp) 4060ffc8fcaSIan Rogers { 4070ffc8fcaSIan Rogers struct dsos__fprintf_cb_args args = { 4080ffc8fcaSIan Rogers .fp = fp, 4090ffc8fcaSIan Rogers .ret = 0, 4100ffc8fcaSIan Rogers }; 4110ffc8fcaSIan Rogers 4120ffc8fcaSIan Rogers dsos__for_each_dso(dsos, dsos__fprintf_cb, &args); 4130ffc8fcaSIan Rogers return args.ret; 4140ffc8fcaSIan Rogers } 4150ffc8fcaSIan Rogers 4160ffc8fcaSIan Rogers static int dsos__hit_all_cb(struct dso *dso, void *data __maybe_unused) 4170ffc8fcaSIan Rogers { 418ee756ef7SIan Rogers dso__set_hit(dso); 4190ffc8fcaSIan Rogers return 0; 4200ffc8fcaSIan Rogers } 4210ffc8fcaSIan Rogers 4220ffc8fcaSIan Rogers int dsos__hit_all(struct dsos *dsos) 4230ffc8fcaSIan Rogers { 4240ffc8fcaSIan Rogers return dsos__for_each_dso(dsos, dsos__hit_all_cb, NULL); 42583acca9fSIan Rogers } 426f649ed80SIan Rogers 427f649ed80SIan Rogers struct dso *dsos__findnew_module_dso(struct dsos *dsos, 428f649ed80SIan Rogers struct machine *machine, 429f649ed80SIan Rogers struct kmod_path *m, 430f649ed80SIan Rogers const char *filename) 431f649ed80SIan Rogers { 432f649ed80SIan Rogers struct dso *dso; 433f649ed80SIan Rogers 434f649ed80SIan Rogers down_write(&dsos->lock); 435f649ed80SIan Rogers 4363f4ac23aSIan Rogers dso = __dsos__find_id(dsos, m->name, NULL, /*cmp_short=*/true, /*write_locked=*/true); 4373f4ac23aSIan Rogers if (dso) { 4383f4ac23aSIan Rogers up_write(&dsos->lock); 4393f4ac23aSIan Rogers return dso; 4403f4ac23aSIan Rogers } 4413f4ac23aSIan Rogers /* 4423f4ac23aSIan Rogers * Failed to find the dso so create it. Change the name before adding it 4433f4ac23aSIan Rogers * to the array, to avoid unnecessary sorts and potential locking 4443f4ac23aSIan Rogers * issues. 4453f4ac23aSIan Rogers */ 4463f4ac23aSIan Rogers dso = dso__new_id(m->name, /*id=*/NULL); 447f649ed80SIan Rogers if (!dso) { 4483f4ac23aSIan Rogers up_write(&dsos->lock); 4493f4ac23aSIan Rogers return NULL; 4503f4ac23aSIan Rogers } 4513f4ac23aSIan Rogers dso__set_basename(dso); 452f649ed80SIan Rogers dso__set_module_info(dso, m, machine); 453f649ed80SIan Rogers dso__set_long_name(dso, strdup(filename), true); 454ee756ef7SIan Rogers dso__set_kernel(dso, DSO_SPACE__KERNEL); 4553f4ac23aSIan Rogers __dsos__add(dsos, dso); 456f649ed80SIan Rogers 457f649ed80SIan Rogers up_write(&dsos->lock); 458f649ed80SIan Rogers return dso; 459f649ed80SIan Rogers } 460f649ed80SIan Rogers 4610ffc8fcaSIan Rogers static int dsos__find_kernel_dso_cb(struct dso *dso, void *data) 462f649ed80SIan Rogers { 4630ffc8fcaSIan Rogers struct dso **res = data; 464f649ed80SIan Rogers /* 4650ffc8fcaSIan Rogers * The cpumode passed to is_kernel_module is not the cpumode of *this* 4660ffc8fcaSIan Rogers * event. If we insist on passing correct cpumode to is_kernel_module, 4670ffc8fcaSIan Rogers * we should record the cpumode when we adding this dso to the linked 4680ffc8fcaSIan Rogers * list. 469f649ed80SIan Rogers * 4700ffc8fcaSIan Rogers * However we don't really need passing correct cpumode. We know the 4710ffc8fcaSIan Rogers * correct cpumode must be kernel mode (if not, we should not link it 4720ffc8fcaSIan Rogers * onto kernel_dsos list). 473f649ed80SIan Rogers * 474f649ed80SIan Rogers * Therefore, we pass PERF_RECORD_MISC_CPUMODE_UNKNOWN. 475f649ed80SIan Rogers * is_kernel_module() treats it as a kernel cpumode. 476f649ed80SIan Rogers */ 477ee756ef7SIan Rogers if (!dso__kernel(dso) || 478ee756ef7SIan Rogers is_kernel_module(dso__long_name(dso), PERF_RECORD_MISC_CPUMODE_UNKNOWN)) 4790ffc8fcaSIan Rogers return 0; 480f649ed80SIan Rogers 4810ffc8fcaSIan Rogers *res = dso__get(dso); 4820ffc8fcaSIan Rogers return 1; 483f649ed80SIan Rogers } 4840ffc8fcaSIan Rogers 4850ffc8fcaSIan Rogers struct dso *dsos__find_kernel_dso(struct dsos *dsos) 4860ffc8fcaSIan Rogers { 4870ffc8fcaSIan Rogers struct dso *res = NULL; 4880ffc8fcaSIan Rogers 4890ffc8fcaSIan Rogers dsos__for_each_dso(dsos, dsos__find_kernel_dso_cb, &res); 490f649ed80SIan Rogers return res; 491f649ed80SIan Rogers } 49273f3fea2SIan Rogers 49373f3fea2SIan Rogers int dsos__for_each_dso(struct dsos *dsos, int (*cb)(struct dso *dso, void *data), void *data) 49473f3fea2SIan Rogers { 49573f3fea2SIan Rogers int err; 49673f3fea2SIan Rogers 4970ffc8fcaSIan Rogers down_read(&dsos->lock); 4980ffc8fcaSIan Rogers err = __dsos__for_each_dso(dsos, cb, data); 49973f3fea2SIan Rogers up_read(&dsos->lock); 5000ffc8fcaSIan Rogers return err; 50173f3fea2SIan Rogers } 502