diff options
Diffstat (limited to 'tools/perf/util')
-rw-r--r-- | tools/perf/util/annotate.c | 582 | ||||
-rw-r--r-- | tools/perf/util/annotate.h | 67 | ||||
-rw-r--r-- | tools/perf/util/cache.h | 24 | ||||
-rw-r--r-- | tools/perf/util/debug.c | 1 | ||||
-rw-r--r-- | tools/perf/util/evlist.c | 16 | ||||
-rw-r--r-- | tools/perf/util/evlist.h | 4 | ||||
-rw-r--r-- | tools/perf/util/evsel.c | 11 | ||||
-rw-r--r-- | tools/perf/util/header.c | 19 | ||||
-rw-r--r-- | tools/perf/util/hist.c | 2 | ||||
-rw-r--r-- | tools/perf/util/parse-events.c | 45 | ||||
-rw-r--r-- | tools/perf/util/parse-events.h | 23 | ||||
-rw-r--r-- | tools/perf/util/parse-events.l | 2 | ||||
-rw-r--r-- | tools/perf/util/parse-events.y | 16 | ||||
-rw-r--r-- | tools/perf/util/pmu.c | 70 | ||||
-rw-r--r-- | tools/perf/util/session.c | 30 | ||||
-rw-r--r-- | tools/perf/util/symbol.c | 13 | ||||
-rw-r--r-- | tools/perf/util/symbol.h | 5 | ||||
-rw-r--r-- | tools/perf/util/target.c | 142 | ||||
-rw-r--r-- | tools/perf/util/target.h | 65 | ||||
-rw-r--r-- | tools/perf/util/top.c | 19 | ||||
-rw-r--r-- | tools/perf/util/top.h | 6 | ||||
-rw-r--r-- | tools/perf/util/usage.c | 38 | ||||
-rw-r--r-- | tools/perf/util/util.c | 10 | ||||
-rw-r--r-- | tools/perf/util/util.h | 5 |
24 files changed, 991 insertions, 224 deletions
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 1e7fd52bd29d..8069dfb5ba77 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -18,6 +18,403 @@ const char *disassembler_style; +static struct ins *ins__find(const char *name); +static int disasm_line__parse(char *line, char **namep, char **rawp); + +static void ins__delete(struct ins_operands *ops) +{ + free(ops->source.raw); + free(ops->source.name); + free(ops->target.raw); + free(ops->target.name); +} + +static int ins__raw_scnprintf(struct ins *ins, char *bf, size_t size, + struct ins_operands *ops) +{ + return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->raw); +} + +int ins__scnprintf(struct ins *ins, char *bf, size_t size, + struct ins_operands *ops) +{ + if (ins->ops->scnprintf) + return ins->ops->scnprintf(ins, bf, size, ops); + + return ins__raw_scnprintf(ins, bf, size, ops); +} + +static int call__parse(struct ins_operands *ops) +{ + char *endptr, *tok, *name; + + ops->target.addr = strtoull(ops->raw, &endptr, 16); + + name = strchr(endptr, '<'); + if (name == NULL) + goto indirect_call; + + name++; + + tok = strchr(name, '>'); + if (tok == NULL) + return -1; + + *tok = '\0'; + ops->target.name = strdup(name); + *tok = '>'; + + return ops->target.name == NULL ? -1 : 0; + +indirect_call: + tok = strchr(endptr, '('); + if (tok != NULL) { + ops->target.addr = 0; + return 0; + } + + tok = strchr(endptr, '*'); + if (tok == NULL) + return -1; + + ops->target.addr = strtoull(tok + 1, NULL, 16); + return 0; +} + +static int call__scnprintf(struct ins *ins, char *bf, size_t size, + struct ins_operands *ops) +{ + if (ops->target.name) + return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->target.name); + + if (ops->target.addr == 0) + return ins__raw_scnprintf(ins, bf, size, ops); + + return scnprintf(bf, size, "%-6.6s *%" PRIx64, ins->name, ops->target.addr); +} + +static struct ins_ops call_ops = { + .parse = call__parse, + .scnprintf = call__scnprintf, +}; + +bool ins__is_call(const struct ins *ins) +{ + return ins->ops == &call_ops; +} + +static int jump__parse(struct ins_operands *ops) +{ + const char *s = strchr(ops->raw, '+'); + + ops->target.addr = strtoll(ops->raw, NULL, 16); + + if (s++ != NULL) + ops->target.offset = strtoll(s, NULL, 16); + else + ops->target.offset = UINT64_MAX; + + return 0; +} + +static int jump__scnprintf(struct ins *ins, char *bf, size_t size, + struct ins_operands *ops) +{ + return scnprintf(bf, size, "%-6.6s %" PRIx64, ins->name, ops->target.offset); +} + +static struct ins_ops jump_ops = { + .parse = jump__parse, + .scnprintf = jump__scnprintf, +}; + +bool ins__is_jump(const struct ins *ins) +{ + return ins->ops == &jump_ops; +} + +static int comment__symbol(char *raw, char *comment, u64 *addrp, char **namep) +{ + char *endptr, *name, *t; + + if (strstr(raw, "(%rip)") == NULL) + return 0; + + *addrp = strtoull(comment, &endptr, 16); + name = strchr(endptr, '<'); + if (name == NULL) + return -1; + + name++; + + t = strchr(name, '>'); + if (t == NULL) + return 0; + + *t = '\0'; + *namep = strdup(name); + *t = '>'; + + return 0; +} + +static int lock__parse(struct ins_operands *ops) +{ + char *name; + + ops->locked.ops = zalloc(sizeof(*ops->locked.ops)); + if (ops->locked.ops == NULL) + return 0; + + if (disasm_line__parse(ops->raw, &name, &ops->locked.ops->raw) < 0) + goto out_free_ops; + + ops->locked.ins = ins__find(name); + if (ops->locked.ins == NULL) + goto out_free_ops; + + if (!ops->locked.ins->ops) + return 0; + + if (ops->locked.ins->ops->parse) + ops->locked.ins->ops->parse(ops->locked.ops); + + return 0; + +out_free_ops: + free(ops->locked.ops); + ops->locked.ops = NULL; + return 0; +} + +static int lock__scnprintf(struct ins *ins, char *bf, size_t size, + struct ins_operands *ops) +{ + int printed; + + if (ops->locked.ins == NULL) + return ins__raw_scnprintf(ins, bf, size, ops); + + printed = scnprintf(bf, size, "%-6.6s ", ins->name); + return printed + ins__scnprintf(ops->locked.ins, bf + printed, + size - printed, ops->locked.ops); +} + +static void lock__delete(struct ins_operands *ops) +{ + free(ops->locked.ops); + free(ops->target.raw); + free(ops->target.name); +} + +static struct ins_ops lock_ops = { + .free = lock__delete, + .parse = lock__parse, + .scnprintf = lock__scnprintf, +}; + +static int mov__parse(struct ins_operands *ops) +{ + char *s = strchr(ops->raw, ','), *target, *comment, prev; + + if (s == NULL) + return -1; + + *s = '\0'; + ops->source.raw = strdup(ops->raw); + *s = ','; + + if (ops->source.raw == NULL) + return -1; + + target = ++s; + + while (s[0] != '\0' && !isspace(s[0])) + ++s; + prev = *s; + *s = '\0'; + + ops->target.raw = strdup(target); + *s = prev; + + if (ops->target.raw == NULL) + goto out_free_source; + + comment = strchr(s, '#'); + if (comment == NULL) + return 0; + + while (comment[0] != '\0' && isspace(comment[0])) + ++comment; + + comment__symbol(ops->source.raw, comment, &ops->source.addr, &ops->source.name); + comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name); + + return 0; + +out_free_source: + free(ops->source.raw); + ops->source.raw = NULL; + return -1; +} + +static int mov__scnprintf(struct ins *ins, char *bf, size_t size, + struct ins_operands *ops) +{ + return scnprintf(bf, size, "%-6.6s %s,%s", ins->name, + ops->source.name ?: ops->source.raw, + ops->target.name ?: ops->target.raw); +} + +static struct ins_ops mov_ops = { + .parse = mov__parse, + .scnprintf = mov__scnprintf, +}; + +static int dec__parse(struct ins_operands *ops) +{ + char *target, *comment, *s, prev; + + target = s = ops->raw; + + while (s[0] != '\0' && !isspace(s[0])) + ++s; + prev = *s; + *s = '\0'; + + ops->target.raw = strdup(target); + *s = prev; + + if (ops->target.raw == NULL) + return -1; + + comment = strchr(s, '#'); + if (comment == NULL) + return 0; + + while (comment[0] != '\0' && isspace(comment[0])) + ++comment; + + comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name); + + return 0; +} + +static int dec__scnprintf(struct ins *ins, char *bf, size_t size, + struct ins_operands *ops) +{ + return scnprintf(bf, size, "%-6.6s %s", ins->name, + ops->target.name ?: ops->target.raw); +} + +static struct ins_ops dec_ops = { + .parse = dec__parse, + .scnprintf = dec__scnprintf, +}; + +static int nop__scnprintf(struct ins *ins __used, char *bf, size_t size, + struct ins_operands *ops __used) +{ + return scnprintf(bf, size, "%-6.6s", "nop"); +} + +static struct ins_ops nop_ops = { + .scnprintf = nop__scnprintf, +}; + +/* + * Must be sorted by name! + */ +static struct ins instructions[] = { + { .name = "add", .ops = &mov_ops, }, + { .name = "addl", .ops = &mov_ops, }, + { .name = "addq", .ops = &mov_ops, }, + { .name = "addw", .ops = &mov_ops, }, + { .name = "and", .ops = &mov_ops, }, + { .name = "bts", .ops = &mov_ops, }, + { .name = "call", .ops = &call_ops, }, + { .name = "callq", .ops = &call_ops, }, + { .name = "cmp", .ops = &mov_ops, }, + { .name = "cmpb", .ops = &mov_ops, }, + { .name = "cmpl", .ops = &mov_ops, }, + { .name = "cmpq", .ops = &mov_ops, }, + { .name = "cmpw", .ops = &mov_ops, }, + { .name = "cmpxch", .ops = &mov_ops, }, + { .name = "dec", .ops = &dec_ops, }, + { .name = "decl", .ops = &dec_ops, }, + { .name = "imul", .ops = &mov_ops, }, + { .name = "inc", .ops = &dec_ops, }, + { .name = "incl", .ops = &dec_ops, }, + { .name = "ja", .ops = &jump_ops, }, + { .name = "jae", .ops = &jump_ops, }, + { .name = "jb", .ops = &jump_ops, }, + { .name = "jbe", .ops = &jump_ops, }, + { .name = "jc", .ops = &jump_ops, }, + { .name = "jcxz", .ops = &jump_ops, }, + { .name = "je", .ops = &jump_ops, }, + { .name = "jecxz", .ops = &jump_ops, }, + { .name = "jg", .ops = &jump_ops, }, + { .name = "jge", .ops = &jump_ops, }, + { .name = "jl", .ops = &jump_ops, }, + { .name = "jle", .ops = &jump_ops, }, + { .name = "jmp", .ops = &jump_ops, }, + { .name = "jmpq", .ops = &jump_ops, }, + { .name = "jna", .ops = &jump_ops, }, + { .name = "jnae", .ops = &jump_ops, }, + { .name = "jnb", .ops = &jump_ops, }, + { .name = "jnbe", .ops = &jump_ops, }, + { .name = "jnc", .ops = &jump_ops, }, + { .name = "jne", .ops = &jump_ops, }, + { .name = "jng", .ops = &jump_ops, }, + { .name = "jnge", .ops = &jump_ops, }, + { .name = "jnl", .ops = &jump_ops, }, + { .name = "jnle", .ops = &jump_ops, }, + { .name = "jno", .ops = &jump_ops, }, + { .name = "jnp", .ops = &jump_ops, }, + { .name = "jns", .ops = &jump_ops, }, + { .name = "jnz", .ops = &jump_ops, }, + { .name = "jo", .ops = &jump_ops, }, + { .name = "jp", .ops = &jump_ops, }, + { .name = "jpe", .ops = &jump_ops, }, + { .name = "jpo", .ops = &jump_ops, }, + { .name = "jrcxz", .ops = &jump_ops, }, + { .name = "js", .ops = &jump_ops, }, + { .name = "jz", .ops = &jump_ops, }, + { .name = "lea", .ops = &mov_ops, }, + { .name = "lock", .ops = &lock_ops, }, + { .name = "mov", .ops = &mov_ops, }, + { .name = "movb", .ops = &mov_ops, }, + { .name = "movdqa",.ops = &mov_ops, }, + { .name = "movl", .ops = &mov_ops, }, + { .name = "movq", .ops = &mov_ops, }, + { .name = "movslq", .ops = &mov_ops, }, + { .name = "movzbl", .ops = &mov_ops, }, + { .name = "movzwl", .ops = &mov_ops, }, + { .name = "nop", .ops = &nop_ops, }, + { .name = "nopl", .ops = &nop_ops, }, + { .name = "nopw", .ops = &nop_ops, }, + { .name = "or", .ops = &mov_ops, }, + { .name = "orl", .ops = &mov_ops, }, + { .name = "test", .ops = &mov_ops, }, + { .name = "testb", .ops = &mov_ops, }, + { .name = "testl", .ops = &mov_ops, }, + { .name = "xadd", .ops = &mov_ops, }, +}; + +static int ins__cmp(const void *name, const void *insp) +{ + const struct ins *ins = insp; + + return strcmp(name, ins->name); +} + +static struct ins *ins__find(const char *name) +{ + const int nmemb = ARRAY_SIZE(instructions); + + return bsearch(name, instructions, nmemb, sizeof(struct ins), ins__cmp); +} + int symbol__annotate_init(struct map *map __used, struct symbol *sym) { struct annotation *notes = symbol__annotation(sym); @@ -28,7 +425,7 @@ int symbol__annotate_init(struct map *map __used, struct symbol *sym) int symbol__alloc_hist(struct symbol *sym) { struct annotation *notes = symbol__annotation(sym); - const size_t size = sym->end - sym->start + 1; + const size_t size = symbol__size(sym); size_t sizeof_sym_hist = (sizeof(struct sym_hist) + size * sizeof(u64)); notes->src = zalloc(sizeof(*notes->src) + symbol_conf.nr_events * sizeof_sym_hist); @@ -78,36 +475,110 @@ int symbol__inc_addr_samples(struct symbol *sym, struct map *map, return 0; } -static struct objdump_line *objdump_line__new(s64 offset, char *line, size_t privsize) +static void disasm_line__init_ins(struct disasm_line *dl) { - struct objdump_line *self = malloc(sizeof(*self) + privsize); + dl->ins = ins__find(dl->name); - if (self != NULL) { - self->offset = offset; - self->line = strdup(line); - if (self->line == NULL) + if (dl->ins == NULL) + return; + + if (!dl->ins->ops) + return; + + if (dl->ins->ops->parse) + dl->ins->ops->parse(&dl->ops); +} + +static int disasm_line__parse(char *line, char **namep, char **rawp) +{ + char *name = line, tmp; + + while (isspace(name[0])) + ++name; + + if (name[0] == '\0') + return -1; + + *rawp = name + 1; + + while ((*rawp)[0] != '\0' && !isspace((*rawp)[0])) + ++*rawp; + + tmp = (*rawp)[0]; + (*rawp)[0] = '\0'; + *namep = strdup(name); + + if (*namep == NULL) + goto out_free_name; + + (*rawp)[0] = tmp; + + if ((*rawp)[0] != '\0') { + (*rawp)++; + while (isspace((*rawp)[0])) + ++(*rawp); + } + + return 0; + +out_free_name: + free(*namep); + *namep = NULL; + return -1; +} + +static struct disasm_line *disasm_line__new(s64 offset, char *line, size_t privsize) +{ + struct disasm_line *dl = zalloc(sizeof(*dl) + privsize); + + if (dl != NULL) { + dl->offset = offset; + dl->line = strdup(line); + if (dl->line == NULL) goto out_delete; + + if (offset != -1) { + if (disasm_line__parse(dl->line, &dl->name, &dl->ops.raw) < 0) + goto out_free_line; + + disasm_line__init_ins(dl); + } } - return self; + return dl; + +out_free_line: + free(dl->line); out_delete: - free(self); + free(dl); return NULL; } -void objdump_line__free(struct objdump_line *self) +void disasm_line__free(struct disasm_line *dl) +{ + free(dl->line); + free(dl->name); + if (dl->ins && dl->ins->ops->free) + dl->ins->ops->free(&dl->ops); + else + ins__delete(&dl->ops); + free(dl); +} + +int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw) { - free(self->line); - free(self); + if (raw || !dl->ins) + return scnprintf(bf, size, "%-6.6s %s", dl->name, dl->ops.raw); + + return ins__scnprintf(dl->ins, bf, size, &dl->ops); } -static void objdump__add_line(struct list_head *head, struct objdump_line *line) +static void disasm__add(struct list_head *head, struct disasm_line *line) { list_add_tail(&line->node, head); } -struct objdump_line *objdump__get_next_ip_line(struct list_head *head, - struct objdump_line *pos) +struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos) { list_for_each_entry_continue(pos, head, node) if (pos->offset >= 0) @@ -116,15 +587,14 @@ struct objdump_line *objdump__get_next_ip_line(struct list_head *head, return NULL; } -static int objdump_line__print(struct objdump_line *oline, struct symbol *sym, - u64 start, int evidx, u64 len, int min_pcnt, - int printed, int max_lines, - struct objdump_line *queue) +static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 start, + int evidx, u64 len, int min_pcnt, int printed, + int max_lines, struct disasm_line *queue) { static const char *prev_line; static const char *prev_color; - if (oline->offset != -1) { + if (dl->offset != -1) { const char *path = NULL; unsigned int hits = 0; double percent = 0.0; @@ -132,11 +602,11 @@ static int objdump_line__print(struct objdump_line *oline, struct symbol *sym, struct annotation *notes = symbol__annotation(sym); struct source_line *src_line = notes->src->lines; struct sym_hist *h = annotation__histogram(notes, evidx); - s64 offset = oline->offset; + s64 offset = dl->offset; const u64 addr = start + offset; - struct objdump_line *next; + struct disasm_line *next; - next = objdump__get_next_ip_line(¬es->src->source, oline); + next = disasm__get_next_ip_line(¬es->src->source, dl); while (offset < (s64)len && (next == NULL || offset < next->offset)) { @@ -161,9 +631,9 @@ static int objdump_line__print(struct objdump_line *oline, struct symbol *sym, if (queue != NULL) { list_for_each_entry_from(queue, ¬es->src->source, node) { - if (queue == oline) + if (queue == dl) break; - objdump_line__print(queue, sym, start, evidx, len, + disasm_line__print(queue, sym, start, evidx, len, 0, 0, 1, NULL); } } @@ -187,17 +657,17 @@ static int objdump_line__print(struct objdump_line *oline, struct symbol *sym, color_fprintf(stdout, color, " %7.2f", percent); printf(" : "); color_fprintf(stdout, PERF_COLOR_MAGENTA, " %" PRIx64 ":", addr); - color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", oline->line); + color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", dl->line); } else if (max_lines && printed >= max_lines) return 1; else { if (queue) return -1; - if (!*oline->line) + if (!*dl->line) printf(" :\n"); else - printf(" : %s\n", oline->line); + printf(" : %s\n", dl->line); } return 0; @@ -207,7 +677,7 @@ static int symbol__parse_objdump_line(struct symbol *sym, struct map *map, FILE *file, size_t privsize) { struct annotation *notes = symbol__annotation(sym); - struct objdump_line *objdump_line; + struct disasm_line *dl; char *line = NULL, *parsed_line, *tmp, *tmp2, *c; size_t line_len; s64 line_ip, offset = -1; @@ -258,13 +728,13 @@ static int symbol__parse_objdump_line(struct symbol *sym, struct map *map, parsed_line = tmp2 + 1; } - objdump_line = objdump_line__new(offset, parsed_line, privsize); + dl = disasm_line__new(offset, parsed_line, privsize); free(line); - if (objdump_line == NULL) + if (dl == NULL) return -1; - objdump__add_line(¬es->src->source, objdump_line); + disasm__add(¬es->src->source, dl); return 0; } @@ -487,7 +957,7 @@ static void symbol__annotate_hits(struct symbol *sym, int evidx) { struct annotation *notes = symbol__annotation(sym); struct sym_hist *h = annotation__histogram(notes, evidx); - u64 len = sym->end - sym->start, offset; + u64 len = symbol__size(sym), offset; for (offset = 0; offset < len; ++offset) if (h->addr[offset] != 0) @@ -503,7 +973,7 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx, struct dso *dso = map->dso; const char *filename = dso->long_name, *d_filename; struct annotation *notes = symbol__annotation(sym); - struct objdump_line *pos, *queue = NULL; + struct disasm_line *pos, *queue = NULL; u64 start = map__rip_2objdump(map, sym->start); int printed = 2, queue_len = 0; int more = 0; @@ -514,7 +984,7 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx, else d_filename = basename(filename); - len = sym->end - sym->start; + len = symbol__size(sym); printf(" Percent | Source code & Disassembly of %s\n", d_filename); printf("------------------------------------------------\n"); @@ -528,7 +998,7 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx, queue_len = 0; } - switch (objdump_line__print(pos, sym, start, evidx, len, + switch (disasm_line__print(pos, sym, start, evidx, len, min_pcnt, printed, max_lines, queue)) { case 0: @@ -574,7 +1044,7 @@ void symbol__annotate_decay_histogram(struct symbol *sym, int evidx) { struct annotation *notes = symbol__annotation(sym); struct sym_hist *h = annotation__histogram(notes, evidx); - int len = sym->end - sym->start, offset; + int len = symbol__size(sym), offset; h->sum = 0; for (offset = 0; offset < len; ++offset) { @@ -583,16 +1053,44 @@ void symbol__annotate_decay_histogram(struct symbol *sym, int evidx) } } -void objdump_line_list__purge(struct list_head *head) +void disasm__purge(struct list_head *head) { - struct objdump_line *pos, *n; + struct disasm_line *pos, *n; list_for_each_entry_safe(pos, n, head, node) { list_del(&pos->node); - objdump_line__free(pos); + disasm_line__free(pos); } } +static size_t disasm_line__fprintf(struct disasm_line *dl, FILE *fp) +{ + size_t printed; + + if (dl->offset == -1) + return fprintf(fp, "%s\n", dl->line); + + printed = fprintf(fp, "%#" PRIx64 " %s", dl->offset, dl->name); + + if (dl->ops.raw[0] != '\0') { + printed += fprintf(fp, "%.*s %s\n", 6 - (int)printed, " ", + dl->ops.raw); + } + + return printed + fprintf(fp, "\n"); +} + +size_t disasm__fprintf(struct list_head *head, FILE *fp) +{ + struct disasm_line *pos; + size_t printed = 0; + + list_for_each_entry(pos, head, node) + printed += disasm_line__fprintf(pos, fp); + + return printed; +} + int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx, bool print_lines, bool full_paths, int min_pcnt, int max_lines) @@ -605,7 +1103,7 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx, if (symbol__annotate(sym, map, 0) < 0) return -1; - len = sym->end - sym->start; + len = symbol__size(sym); if (print_lines) { symbol__get_source_line(sym, map, evidx, &source_line, @@ -618,7 +1116,7 @@ int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx, if (print_lines) symbol__free_source_line(sym, len); - objdump_line_list__purge(&symbol__annotation(sym)->src->source); + disasm__purge(&symbol__annotation(sym)->src->source); return 0; } diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h index efa5dc82bfae..78a5692dd718 100644 --- a/tools/perf/util/annotate.h +++ b/tools/perf/util/annotate.h @@ -2,20 +2,69 @@ #define __PERF_ANNOTATE_H #include <stdbool.h> +#include <stdint.h> #include "types.h" #include "symbol.h" #include <linux/list.h> #include <linux/rbtree.h> -struct objdump_line { - struct list_head node; - s64 offset; - char *line; +struct ins; + +struct ins_operands { + char *raw; + struct { + char *raw; + char *name; + u64 addr; + u64 offset; + } target; + union { + struct { + char *raw; + char *name; + u64 addr; + } source; + struct { + struct ins *ins; + struct ins_operands *ops; + } locked; + }; }; -void objdump_line__free(struct objdump_line *self); -struct objdump_line *objdump__get_next_ip_line(struct list_head *head, - struct objdump_line *pos); +struct ins_ops { + void (*free)(struct ins_operands *ops); + int (*parse)(struct ins_operands *ops); + int (*scnprintf)(struct ins *ins, char *bf, size_t size, + struct ins_operands *ops); +}; + +struct ins { + const char *name; + struct ins_ops *ops; +}; + +bool ins__is_jump(const struct ins *ins); +bool ins__is_call(const struct ins *ins); +int ins__scnprintf(struct ins *ins, char *bf, size_t size, struct ins_operands *ops); + +struct disasm_line { + struct list_head node; + s64 offset; + char *line; + char *name; + struct ins *ins; + struct ins_operands ops; +}; + +static inline bool disasm_line__has_offset(const struct disasm_line *dl) +{ + return dl->ops.target.offset != UINT64_MAX; +} + +void disasm_line__free(struct disasm_line *dl); +struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos); +int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw); +size_t disasm__fprintf(struct list_head *head, FILE *fp); struct sym_hist { u64 sum; @@ -32,7 +81,7 @@ struct source_line { * * @histogram: Array of addr hit histograms per event being monitored * @lines: If 'print_lines' is specified, per source code line percentages - * @source: source parsed from objdump -dS + * @source: source parsed from a disassembler like objdump -dS * * lines is allocated, percentages calculated and all sorted by percentage * when the annotation is about to be presented, so the percentages are for @@ -82,7 +131,7 @@ int symbol__annotate_printf(struct symbol *sym, struct map *map, int evidx, int context); void symbol__annotate_zero_histogram(struct symbol *sym, int evidx); void symbol__annotate_decay_histogram(struct symbol *sym, int evidx); -void objdump_line_list__purge(struct list_head *head); +void disasm__purge(struct list_head *head); int symbol__tty_annotate(struct symbol *sym, struct map *map, int evidx, bool print_lines, bool full_paths, int min_pcnt, diff --git a/tools/perf/util/cache.h b/tools/perf/util/cache.h index 8dd224df3e54..cff18c617d13 100644 --- a/tools/perf/util/cache.h +++ b/tools/perf/util/cache.h @@ -33,7 +33,7 @@ extern int pager_use_color; extern int use_browser; -#ifdef NO_NEWT_SUPPORT +#if defined(NO_NEWT_SUPPORT) && defined(NO_GTK2_SUPPORT) static inline void setup_browser(bool fallback_to_pager) { if (fallback_to_pager) @@ -43,19 +43,29 @@ static inline void exit_browser(bool wait_for_ok __used) {} #else void setup_browser(bool fallback_to_pager); void exit_browser(bool wait_for_ok); + +#ifdef NO_NEWT_SUPPORT +static inline int ui__init(void) +{ + return -1; +} +static inline void ui__exit(bool wait_for_ok __used) {} +#else +int ui__init(void); +void ui__exit(bool wait_for_ok); #endif #ifdef NO_GTK2_SUPPORT -static inline void perf_gtk_setup_browser(int argc __used, const char *argv[] __used, bool fallback_to_pager) +static inline int perf_gtk__init(void) { - if (fallback_to_pager) - setup_pager(); + return -1; } -static inline void perf_gtk_exit_browser(bool wait_for_ok __used) {} +static inline void perf_gtk__exit(bool wait_for_ok __used) {} #else -void perf_gtk_setup_browser(int argc, const char *argv[], bool fallback_to_pager); -void perf_gtk_exit_browser(bool wait_for_ok); +int perf_gtk__init(void); +void perf_gtk__exit(bool wait_for_ok); #endif +#endif /* NO_NEWT_SUPPORT && NO_GTK2_SUPPORT */ char *alias_lookup(const char *alias); int split_cmdline(char *cmdline, const char ***argv); diff --git a/tools/perf/util/debug.c b/tools/perf/util/debug.c index 26817daa2961..efb1fce259a4 100644 --- a/tools/perf/util/debug.c +++ b/tools/perf/util/debug.c @@ -11,6 +11,7 @@ #include "event.h" #include "debug.h" #include "util.h" +#include "target.h" int verbose; bool dump_trace = false, quiet = false; diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 1986d8051bd1..4ac5f5ae4ce9 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -11,6 +11,7 @@ #include <poll.h> #include "cpumap.h" #include "thread_map.h" +#include "target.h" #include "evlist.h" #include "evsel.h" #include <unistd.h> @@ -599,18 +600,21 @@ int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages, return perf_evlist__mmap_per_cpu(evlist, prot, mask); } -int perf_evlist__create_maps(struct perf_evlist *evlist, const char *target_pid, - const char *target_tid, uid_t uid, const char *cpu_list) +int perf_evlist__create_maps(struct perf_evlist *evlist, + struct perf_target *target) { - evlist->threads = thread_map__new_str(target_pid, target_tid, uid); + evlist->threads = thread_map__new_str(target->pid, target->tid, + target->uid); if (evlist->threads == NULL) return -1; - if (uid != UINT_MAX || (cpu_list == NULL && target_tid)) + if (perf_target__has_task(target)) + evlist->cpus = cpu_map__dummy_new(); + else if (!perf_target__has_cpu(target) && !target->uses_mmap) evlist->cpus = cpu_map__dummy_new(); else - evlist->cpus = cpu_map__new(cpu_list); + evlist->cpus = cpu_map__new(target->cpu_list); if (evlist->cpus == NULL) goto out_delete_threads; @@ -827,7 +831,7 @@ int perf_evlist__prepare_workload(struct perf_evlist *evlist, exit(-1); } - if (!opts->system_wide && !opts->target_tid && !opts->target_pid) + if (perf_target__none(&opts->target)) evlist->threads->map[0] = evlist->workload.pid; close(child_ready_pipe[1]); diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index 21f1c9e57f13..58abb63ac13a 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -106,8 +106,8 @@ static inline void perf_evlist__set_maps(struct perf_evlist *evlist, evlist->threads = threads; } -int perf_evlist__create_maps(struct perf_evlist *evlist, const char *target_pid, - const char *tid, uid_t uid, const char *cpu_list); +int perf_evlist__create_maps(struct perf_evlist *evlist, + struct perf_target *target); void perf_evlist__delete_maps(struct perf_evlist *evlist); int perf_evlist__set_filters(struct perf_evlist *evlist); diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 8c13dbcb84b9..f4f427ce4d64 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -14,6 +14,7 @@ #include "util.h" #include "cpumap.h" #include "thread_map.h" +#include "target.h" #define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y)) #define GROUP_FD(group_fd, cpu) (*(int *)xyarray__entry(group_fd, cpu, 0)) @@ -69,6 +70,7 @@ void perf_evsel__config(struct perf_evsel *evsel, struct perf_record_opts *opts, struct perf_event_attr *attr = &evsel->attr; int track = !evsel->idx; /* only the first counter needs these */ + attr->disabled = 1; attr->sample_id_all = opts->sample_id_all_missing ? 0 : 1; attr->inherit = !opts->no_inherit; attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | @@ -106,15 +108,15 @@ void perf_evsel__config(struct perf_evsel *evsel, struct perf_record_opts *opts, if (opts->call_graph) attr->sample_type |= PERF_SAMPLE_CALLCHAIN; - if (opts->system_wide) + if (opts->target.system_wide) attr->sample_type |= PERF_SAMPLE_CPU; if (opts->period) attr->sample_type |= PERF_SAMPLE_PERIOD; if (!opts->sample_id_all_missing && - (opts->sample_time || opts->system_wide || - !opts->no_inherit || opts->cpu_list)) + (opts->sample_time || !opts->no_inherit || + perf_target__has_cpu(&opts->target))) attr->sample_type |= PERF_SAMPLE_TIME; if (opts->raw_samples) { @@ -135,9 +137,8 @@ void perf_evsel__config(struct perf_evsel *evsel, struct perf_record_opts *opts, attr->mmap = track; attr->comm = track; - if (!opts->target_pid && !opts->target_tid && !opts->system_wide && + if (perf_target__none(&opts->target) && (!opts->group || evsel == first)) { - attr->disabled = 1; attr->enable_on_exec = 1; } } diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 4c7c2d73251f..538598012139 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -31,21 +31,16 @@ static const char **header_argv; int perf_header__push_event(u64 id, const char *name) { + struct perf_trace_event_type *nevents; + if (strlen(name) > MAX_EVENT_NAME) pr_warning("Event %s will be truncated\n", name); - if (!events) { - events = malloc(sizeof(struct perf_trace_event_type)); - if (events == NULL) - return -ENOMEM; - } else { - struct perf_trace_event_type *nevents; + nevents = realloc(events, (event_count + 1) * sizeof(*events)); + if (nevents == NULL) + return -ENOMEM; + events = nevents; - nevents = realloc(events, (event_count + 1) * sizeof(*events)); - if (nevents == NULL) - return -ENOMEM; - events = nevents; - } memset(&events[event_count], 0, sizeof(struct perf_trace_event_type)); events[event_count].event_id = id; strncpy(events[event_count].name, name, MAX_EVENT_NAME - 1); @@ -296,7 +291,7 @@ int build_id_cache__add_s(const char *sbuild_id, const char *debugdir, if (mkdir_p(filename, 0755)) goto out_free; - snprintf(filename + len, sizeof(filename) - len, "/%s", sbuild_id); + snprintf(filename + len, size - len, "/%s", sbuild_id); if (access(filename, F_OK)) { if (is_kallsyms) { diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index 9f6d630d5316..1293b5ebea4d 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -599,7 +599,7 @@ static size_t ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain, if (chain->ms.sym) ret += fprintf(fp, "%s\n", chain->ms.sym->name); else - ret += fprintf(fp, "%p\n", (void *)(long)chain->ip); + ret += fprintf(fp, "0x%0" PRIx64 "\n", chain->ip); return ret; } diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 5b3a0ef4e232..c7fc18a33d54 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -593,17 +593,27 @@ int parse_events_add_breakpoint(struct list_head *list, int *idx, static int config_term(struct perf_event_attr *attr, struct parse_events__term *term) { - switch (term->type) { +#define CHECK_TYPE_VAL(type) \ +do { \ + if (PARSE_EVENTS__TERM_TYPE_ ## type != term->type_val) \ + return -EINVAL; \ +} while (0) + + switch (term->type_term) { case PARSE_EVENTS__TERM_TYPE_CONFIG: + CHECK_TYPE_VAL(NUM); attr->config = term->val.num; break; case PARSE_EVENTS__TERM_TYPE_CONFIG1: + CHECK_TYPE_VAL(NUM); attr->config1 = term->val.num; break; case PARSE_EVENTS__TERM_TYPE_CONFIG2: + CHECK_TYPE_VAL(NUM); attr->config2 = term->val.num; break; case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: + CHECK_TYPE_VAL(NUM); attr->sample_period = term->val.num; break; case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE: @@ -615,7 +625,9 @@ static int config_term(struct perf_event_attr *attr, default: return -EINVAL; } + return 0; +#undef CHECK_TYPE_VAL } static int config_attr(struct perf_event_attr *attr, @@ -1015,11 +1027,12 @@ void print_events(const char *event_glob) int parse_events__is_hardcoded_term(struct parse_events__term *term) { - return term->type <= PARSE_EVENTS__TERM_TYPE_HARDCODED_MAX; + return term->type_term != PARSE_EVENTS__TERM_TYPE_USER; } -int parse_events__new_term(struct parse_events__term **_term, int type, - char *config, char *str, long num) +static int new_term(struct parse_events__term **_term, int type_val, + int type_term, char *config, + char *str, long num) { struct parse_events__term *term; @@ -1028,15 +1041,11 @@ int parse_events__new_term(struct parse_events__term **_term, int type, return -ENOMEM; INIT_LIST_HEAD(&term->list); - term->type = type; + term->type_val = type_val; + term->type_term = type_term; term->config = config; - switch (type) { - case PARSE_EVENTS__TERM_TYPE_CONFIG: - case PARSE_EVENTS__TERM_TYPE_CONFIG1: - case PARSE_EVENTS__TERM_TYPE_CONFIG2: - case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: - case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE: + switch (type_val) { case PARSE_EVENTS__TERM_TYPE_NUM: term->val.num = num; break; @@ -1051,6 +1060,20 @@ int parse_events__new_term(struct parse_events__term **_term, int type, return 0; } +int parse_events__term_num(struct parse_events__term **term, + int type_term, char *config, long num) +{ + return new_term(term, PARSE_EVENTS__TERM_TYPE_NUM, type_term, + config, NULL, num); +} + +int parse_events__term_str(struct parse_events__term **term, + int type_term, char *config, char *str) +{ + return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, type_term, + config, str, 0); +} + void parse_events__free_terms(struct list_head *terms) { struct parse_events__term *term, *h; diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h index ca069f893381..3fddd610d350 100644 --- a/tools/perf/util/parse-events.h +++ b/tools/perf/util/parse-events.h @@ -4,7 +4,9 @@ * Parse symbolic events/counts passed in as options: */ +#include <stdbool.h> #include "../../../include/linux/perf_event.h" +#include "types.h" struct list_head; struct perf_evsel; @@ -34,16 +36,17 @@ extern int parse_filter(const struct option *opt, const char *str, int unset); #define EVENTS_HELP_MAX (128*1024) enum { + PARSE_EVENTS__TERM_TYPE_NUM, + PARSE_EVENTS__TERM_TYPE_STR, +}; + +enum { + PARSE_EVENTS__TERM_TYPE_USER, PARSE_EVENTS__TERM_TYPE_CONFIG, PARSE_EVENTS__TERM_TYPE_CONFIG1, PARSE_EVENTS__TERM_TYPE_CONFIG2, PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD, PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE, - PARSE_EVENTS__TERM_TYPE_NUM, - PARSE_EVENTS__TERM_TYPE_STR, - - PARSE_EVENTS__TERM_TYPE_HARDCODED_MAX = - PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE, }; struct parse_events__term { @@ -52,14 +55,16 @@ struct parse_events__term { char *str; long num; } val; - int type; - + int type_val; + int type_term; struct list_head list; }; int parse_events__is_hardcoded_term(struct parse_events__term *term); -int parse_events__new_term(struct parse_events__term **term, int type, - char *config, char *str, long num); +int parse_events__term_num(struct parse_events__term **_term, + int type_term, char *config, long num); +int parse_events__term_str(struct parse_events__term **_term, + int type_term, char *config, char *str); void parse_events__free_terms(struct list_head *terms); int parse_events_modifier(struct list_head *list __used, char *str __used); int parse_events_add_tracepoint(struct list_head *list, int *idx, diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l index 05d766e3ecb5..1fcf1bbc5458 100644 --- a/tools/perf/util/parse-events.l +++ b/tools/perf/util/parse-events.l @@ -54,7 +54,7 @@ num_dec [0-9]+ num_hex 0x[a-fA-F0-9]+ num_raw_hex [a-fA-F0-9]+ name [a-zA-Z_*?][a-zA-Z0-9_*?]* -modifier_event [ukhp]{1,5} +modifier_event [ukhpGH]{1,8} modifier_bp [rwx] %% diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y index d9637da7333c..936913ea0ab6 100644 --- a/tools/perf/util/parse-events.y +++ b/tools/perf/util/parse-events.y @@ -176,8 +176,8 @@ PE_NAME '=' PE_NAME { struct parse_events__term *term; - ABORT_ON(parse_events__new_term(&term, PARSE_EVENTS__TERM_TYPE_STR, - $1, $3, 0)); + ABORT_ON(parse_events__term_str(&term, PARSE_EVENTS__TERM_TYPE_USER, + $1, $3)); $$ = term; } | @@ -185,8 +185,8 @@ PE_NAME '=' PE_VALUE { struct parse_events__term *term; - ABORT_ON(parse_events__new_term(&term, PARSE_EVENTS__TERM_TYPE_NUM, - $1, NULL, $3)); + ABORT_ON(parse_events__term_num(&term, PARSE_EVENTS__TERM_TYPE_USER, + $1, $3)); $$ = term; } | @@ -194,8 +194,8 @@ PE_NAME { struct parse_events__term *term; - ABORT_ON(parse_events__new_term(&term, PARSE_EVENTS__TERM_TYPE_NUM, - $1, NULL, 1)); + ABORT_ON(parse_events__term_num(&term, PARSE_EVENTS__TERM_TYPE_USER, + $1, 1)); $$ = term; } | @@ -203,7 +203,7 @@ PE_TERM '=' PE_VALUE { struct parse_events__term *term; - ABORT_ON(parse_events__new_term(&term, $1, NULL, NULL, $3)); + ABORT_ON(parse_events__term_num(&term, $1, NULL, $3)); $$ = term; } | @@ -211,7 +211,7 @@ PE_TERM { struct parse_events__term *term; - ABORT_ON(parse_events__new_term(&term, $1, NULL, NULL, 1)); + ABORT_ON(parse_events__term_num(&term, $1, NULL, 1)); $$ = term; } diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index cb08a118e811..8ee219b7285b 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -225,7 +225,7 @@ static int pmu_config_term(struct list_head *formats, if (parse_events__is_hardcoded_term(term)) return 0; - if (term->type != PARSE_EVENTS__TERM_TYPE_NUM) + if (term->type_val != PARSE_EVENTS__TERM_TYPE_NUM) return -EINVAL; format = pmu_find_format(formats, term->config); @@ -246,6 +246,11 @@ static int pmu_config_term(struct list_head *formats, return -EINVAL; } + /* + * XXX If we ever decide to go with string values for + * non-hardcoded terms, here's the place to translate + * them into value. + */ *vp |= pmu_format_value(format->bits, term->val.num); return 0; } @@ -324,49 +329,58 @@ static struct test_format { /* Simulated users input. */ static struct parse_events__term test_terms[] = { { - .config = (char *) "krava01", - .val.num = 15, - .type = PARSE_EVENTS__TERM_TYPE_NUM, + .config = (char *) "krava01", + .val.num = 15, + .type_val = PARSE_EVENTS__TERM_TYPE_NUM, + .type_term = PARSE_EVENTS__TERM_TYPE_USER, }, { - .config = (char *) "krava02", - .val.num = 170, - .type = PARSE_EVENTS__TERM_TYPE_NUM, + .config = (char *) "krava02", + .val.num = 170, + .type_val = PARSE_EVENTS__TERM_TYPE_NUM, + .type_term = PARSE_EVENTS__TERM_TYPE_USER, }, { - .config = (char *) "krava03", - .val.num = 1, - .type = PARSE_EVENTS__TERM_TYPE_NUM, + .config = (char *) "krava03", + .val.num = 1, + .type_val = PARSE_EVENTS__TERM_TYPE_NUM, + .type_term = PARSE_EVENTS__TERM_TYPE_USER, }, { - .config = (char *) "krava11", - .val.num = 27, - .type = PARSE_EVENTS__TERM_TYPE_NUM, + .config = (char *) "krava11", + .val.num = 27, + .type_val = PARSE_EVENTS__TERM_TYPE_NUM, + .type_term = PARSE_EVENTS__TERM_TYPE_USER, }, { - .config = (char *) "krava12", - .val.num = 1, - .type = PARSE_EVENTS__TERM_TYPE_NUM, + .config = (char *) "krava12", + .val.num = 1, + .type_val = PARSE_EVENTS__TERM_TYPE_NUM, + .type_term = PARSE_EVENTS__TERM_TYPE_USER, }, { - .config = (char *) "krava13", - .val.num = 2, - .type = PARSE_EVENTS__TERM_TYPE_NUM, + .config = (char *) "krava13", + .val.num = 2, + .type_val = PARSE_EVENTS__TERM_TYPE_NUM, + .type_term = PARSE_EVENTS__TERM_TYPE_USER, }, { - .config = (char *) "krava21", - .val.num = 119, - .type = PARSE_EVENTS__TERM_TYPE_NUM, + .config = (char *) "krava21", + .val.num = 119, + .type_val = PARSE_EVENTS__TERM_TYPE_NUM, + .type_term = PARSE_EVENTS__TERM_TYPE_USER, }, { - .config = (char *) "krava22", - .val.num = 11, - .type = PARSE_EVENTS__TERM_TYPE_NUM, + .config = (char *) "krava22", + .val.num = 11, + .type_val = PARSE_EVENTS__TERM_TYPE_NUM, + .type_term = PARSE_EVENTS__TERM_TYPE_USER, }, { - .config = (char *) "krava23", - .val.num = 2, - .type = PARSE_EVENTS__TERM_TYPE_NUM, + .config = (char *) "krava23", + .val.num = 2, + .type_val = PARSE_EVENTS__TERM_TYPE_NUM, + .type_term = PARSE_EVENTS__TERM_TYPE_USER, }, }; #define TERMS_CNT (sizeof(test_terms) / sizeof(struct parse_events__term)) diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 1efd3bee6336..4dcc8f3190cf 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -1108,16 +1108,10 @@ more: } if ((skip = perf_session__process_event(self, &event, tool, head)) < 0) { - dump_printf("%#" PRIx64 " [%#x]: skipping unknown header type: %d\n", - head, event.header.size, event.header.type); - /* - * assume we lost track of the stream, check alignment, and - * increment a single u64 in the hope to catch on again 'soon'. - */ - if (unlikely(head & 7)) - head &= ~7ULL; - - size = 8; + pr_err("%#" PRIx64 " [%#x]: failed to process type: %d\n", + head, event.header.size, event.header.type); + err = -EINVAL; + goto out_err; } head += size; @@ -1226,17 +1220,11 @@ more: if (size == 0 || perf_session__process_event(session, event, tool, file_pos) < 0) { - dump_printf("%#" PRIx64 " [%#x]: skipping unknown header type: %d\n", - file_offset + head, event->header.size, - event->header.type); - /* - * assume we lost track of the stream, check alignment, and - * increment a single u64 in the hope to catch on again 'soon'. - */ - if (unlikely(head & 7)) - head &= ~7ULL; - - size = 8; + pr_err("%#" PRIx64 " [%#x]: failed to process type: %d\n", + file_offset + head, event->header.size, + event->header.type); + err = -EINVAL; + goto out_err; } head += size; diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index c0a028c3ebaf..ab9867b2b433 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -977,8 +977,9 @@ static Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep, * And always look at the original dso, not at debuginfo packages, that * have the PLT data stripped out (shdr_rel_plt.sh_type == SHT_NOBITS). */ -static int dso__synthesize_plt_symbols(struct dso *dso, struct map *map, - symbol_filter_t filter) +static int +dso__synthesize_plt_symbols(struct dso *dso, char *name, struct map *map, + symbol_filter_t filter) { uint32_t nr_rel_entries, idx; GElf_Sym sym; @@ -993,10 +994,7 @@ static int dso__synthesize_plt_symbols(struct dso *dso, struct map *map, char sympltname[1024]; Elf *elf; int nr = 0, symidx, fd, err = 0; - char name[PATH_MAX]; - snprintf(name, sizeof(name), "%s%s", - symbol_conf.symfs, dso->long_name); fd = open(name, O_RDONLY); if (fd < 0) goto out; @@ -1703,8 +1701,9 @@ restart: continue; if (ret > 0) { - int nr_plt = dso__synthesize_plt_symbols(dso, map, - filter); + int nr_plt; + + nr_plt = dso__synthesize_plt_symbols(dso, name, map, filter); if (nr_plt > 0) ret += nr_plt; break; diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index ac49ef208a5f..1f003884f1ab 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -65,6 +65,11 @@ struct symbol { void symbol__delete(struct symbol *sym); +static inline size_t symbol__size(const struct symbol *sym) +{ + return sym->end - sym->start + 1; +} + struct strlist; struct symbol_conf { diff --git a/tools/perf/util/target.c b/tools/perf/util/target.c new file mode 100644 index 000000000000..1064d5b148ad --- /dev/null +++ b/tools/perf/util/target.c @@ -0,0 +1,142 @@ +/* + * Helper functions for handling target threads/cpus + * + * Copyright (C) 2012, LG Electronics, Namhyung Kim <namhyung.kim@lge.com> + * + * Released under the GPL v2. + */ + +#include "target.h" +#include "debug.h" + +#include <pwd.h> +#include <string.h> + + +enum perf_target_errno perf_target__validate(struct perf_target *target) +{ + enum perf_target_errno ret = PERF_ERRNO_TARGET__SUCCESS; + + if (target->pid) + target->tid = target->pid; + + /* CPU and PID are mutually exclusive */ + if (target->tid && target->cpu_list) { + target->cpu_list = NULL; + if (ret == PERF_ERRNO_TARGET__SUCCESS) + ret = PERF_ERRNO_TARGET__PID_OVERRIDE_CPU; + } + + /* UID and PID are mutually exclusive */ + if (target->tid && target->uid_str) { + target->uid_str = NULL; + if (ret == PERF_ERRNO_TARGET__SUCCESS) + ret = PERF_ERRNO_TARGET__PID_OVERRIDE_UID; + } + + /* UID and CPU are mutually exclusive */ + if (target->uid_str && target->cpu_list) { + target->cpu_list = NULL; + if (ret == PERF_ERRNO_TARGET__SUCCESS) + ret = PERF_ERRNO_TARGET__UID_OVERRIDE_CPU; + } + + /* PID and SYSTEM are mutually exclusive */ + if (target->tid && target->system_wide) { + target->system_wide = false; + if (ret == PERF_ERRNO_TARGET__SUCCESS) + ret = PERF_ERRNO_TARGET__PID_OVERRIDE_SYSTEM; + } + + /* UID and SYSTEM are mutually exclusive */ + if (target->uid_str && target->system_wide) { + target->system_wide = false; + if (ret == PERF_ERRNO_TARGET__SUCCESS) + ret = PERF_ERRNO_TARGET__UID_OVERRIDE_SYSTEM; + } + + return ret; +} + +enum perf_target_errno perf_target__parse_uid(struct perf_target *target) +{ + struct passwd pwd, *result; + char buf[1024]; + const char *str = target->uid_str; + + target->uid = UINT_MAX; + if (str == NULL) + return PERF_ERRNO_TARGET__SUCCESS; + + /* Try user name first */ + getpwnam_r(str, &pwd, buf, sizeof(buf), &result); + + if (result == NULL) { + /* + * The user name not found. Maybe it's a UID number. + */ + char *endptr; + int uid = strtol(str, &endptr, 10); + + if (*endptr != '\0') + return PERF_ERRNO_TARGET__INVALID_UID; + + getpwuid_r(uid, &pwd, buf, sizeof(buf), &result); + + if (result == NULL) + return PERF_ERRNO_TARGET__USER_NOT_FOUND; + } + + target->uid = result->pw_uid; + return PERF_ERRNO_TARGET__SUCCESS; +} + +/* + * This must have a same ordering as the enum perf_target_errno. + */ +static const char *perf_target__error_str[] = { + "PID/TID switch overriding CPU", + "PID/TID switch overriding UID", + "UID switch overriding CPU", + "PID/TID switch overriding SYSTEM", + "UID switch overriding SYSTEM", + "Invalid User: %s", + "Problems obtaining information for user %s", +}; + +int perf_target__strerror(struct perf_target *target, int errnum, + char *buf, size_t buflen) +{ + int idx; + const char *msg; + + if (errnum >= 0) { + strerror_r(errnum, buf, buflen); + return 0; + } + + if (errnum < __PERF_ERRNO_TARGET__START || + errnum >= __PERF_ERRNO_TARGET__END) + return -1; + + idx = errnum - __PERF_ERRNO_TARGET__START; + msg = perf_target__error_str[idx]; + + switch (errnum) { + case PERF_ERRNO_TARGET__PID_OVERRIDE_CPU + ... PERF_ERRNO_TARGET__UID_OVERRIDE_SYSTEM: + snprintf(buf, buflen, "%s", msg); + break; + + case PERF_ERRNO_TARGET__INVALID_UID: + case PERF_ERRNO_TARGET__USER_NOT_FOUND: + snprintf(buf, buflen, msg, target->uid_str); + break; + + default: + /* cannot reach here */ + break; + } + + return 0; +} diff --git a/tools/perf/util/target.h b/tools/perf/util/target.h new file mode 100644 index 000000000000..a4be8575fda5 --- /dev/null +++ b/tools/perf/util/target.h @@ -0,0 +1,65 @@ +#ifndef _PERF_TARGET_H +#define _PERF_TARGET_H + +#include <stdbool.h> +#include <sys/types.h> + +struct perf_target { + const char *pid; + const char *tid; + const char *cpu_list; + const char *uid_str; + uid_t uid; + bool system_wide; + bool uses_mmap; +}; + +enum perf_target_errno { + PERF_ERRNO_TARGET__SUCCESS = 0, + + /* + * Choose an arbitrary negative big number not to clash with standard + * errno since SUS requires the errno has distinct positive values. + * See 'Issue 6' in the link below. + * + * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html + */ + __PERF_ERRNO_TARGET__START = -10000, + + + /* for perf_target__validate() */ + PERF_ERRNO_TARGET__PID_OVERRIDE_CPU = __PERF_ERRNO_TARGET__START, + PERF_ERRNO_TARGET__PID_OVERRIDE_UID, + PERF_ERRNO_TARGET__UID_OVERRIDE_CPU, + PERF_ERRNO_TARGET__PID_OVERRIDE_SYSTEM, + PERF_ERRNO_TARGET__UID_OVERRIDE_SYSTEM, + + /* for perf_target__parse_uid() */ + PERF_ERRNO_TARGET__INVALID_UID, + PERF_ERRNO_TARGET__USER_NOT_FOUND, + + __PERF_ERRNO_TARGET__END, +}; + +enum perf_target_errno perf_target__validate(struct perf_target *target); +enum perf_target_errno perf_target__parse_uid(struct perf_target *target); + +int perf_target__strerror(struct perf_target *target, int errnum, char *buf, + size_t buflen); + +static inline bool perf_target__has_task(struct perf_target *target) +{ + return target->tid || target->pid || target->uid_str; +} + +static inline bool perf_target__has_cpu(struct perf_target *target) +{ + return target->system_wide || target->cpu_list; +} + +static inline bool perf_target__none(struct perf_target *target) +{ + return !perf_target__has_task(target) && !perf_target__has_cpu(target); +} + +#endif /* _PERF_TARGET_H */ diff --git a/tools/perf/util/top.c b/tools/perf/util/top.c index 09fe579ccafb..abe0e8e95068 100644 --- a/tools/perf/util/top.c +++ b/tools/perf/util/top.c @@ -69,23 +69,24 @@ size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size) ret += SNPRINTF(bf + ret, size - ret, "], "); - if (top->target_pid) + if (top->target.pid) ret += SNPRINTF(bf + ret, size - ret, " (target_pid: %s", - top->target_pid); - else if (top->target_tid) + top->target.pid); + else if (top->target.tid) ret += SNPRINTF(bf + ret, size - ret, " (target_tid: %s", - top->target_tid); - else if (top->uid_str != NULL) + top->target.tid); + else if (top->target.uid_str != NULL) ret += SNPRINTF(bf + ret, size - ret, " (uid: %s", - top->uid_str); + top->target.uid_str); else ret += SNPRINTF(bf + ret, size - ret, " (all"); - if (top->cpu_list) + if (top->target.cpu_list) ret += SNPRINTF(bf + ret, size - ret, ", CPU%s: %s)", - top->evlist->cpus->nr > 1 ? "s" : "", top->cpu_list); + top->evlist->cpus->nr > 1 ? "s" : "", + top->target.cpu_list); else { - if (top->target_tid) + if (top->target.tid) ret += SNPRINTF(bf + ret, size - ret, ")"); else ret += SNPRINTF(bf + ret, size - ret, ", %d CPU%s)", diff --git a/tools/perf/util/top.h b/tools/perf/util/top.h index ce61cb2d1acf..33347ca89ee4 100644 --- a/tools/perf/util/top.h +++ b/tools/perf/util/top.h @@ -13,6 +13,7 @@ struct perf_session; struct perf_top { struct perf_tool tool; struct perf_evlist *evlist; + struct perf_target target; /* * Symbols will be added here in perf_event__process_sample and will * get out after decayed. @@ -23,10 +24,7 @@ struct perf_top { u64 guest_us_samples, guest_kernel_samples; int print_entries, count_filter, delay_secs; int freq; - const char *target_pid, *target_tid; - uid_t uid; bool hide_kernel_symbols, hide_user_symbols, zero; - bool system_wide; bool use_tui, use_stdio; bool sort_has_symbols; bool dont_use_callchains; @@ -37,7 +35,6 @@ struct perf_top { bool sample_id_all_missing; bool exclude_guest_missing; bool dump_symtab; - const char *cpu_list; struct hist_entry *sym_filter_entry; struct perf_evsel *sym_evsel; struct perf_session *session; @@ -47,7 +44,6 @@ struct perf_top { int realtime_prio; int sym_pcnt_filter; const char *sym_filter; - const char *uid_str; }; size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size); diff --git a/tools/perf/util/usage.c b/tools/perf/util/usage.c index 52bb07c6442a..4007aca8e0ca 100644 --- a/tools/perf/util/usage.c +++ b/tools/perf/util/usage.c @@ -82,41 +82,3 @@ void warning(const char *warn, ...) warn_routine(warn, params); va_end(params); } - -uid_t parse_target_uid(const char *str, const char *tid, const char *pid) -{ - struct passwd pwd, *result; - char buf[1024]; - - if (str == NULL) - return UINT_MAX; - - /* UID and PID are mutually exclusive */ - if (tid || pid) { - ui__warning("PID/TID switch overriding UID\n"); - sleep(1); - return UINT_MAX; - } - - getpwnam_r(str, &pwd, buf, sizeof(buf), &result); - - if (result == NULL) { - char *endptr; - int uid = strtol(str, &endptr, 10); - - if (*endptr != '\0') { - ui__error("Invalid user %s\n", str); - return UINT_MAX - 1; - } - - getpwuid_r(uid, &pwd, buf, sizeof(buf), &result); - - if (result == NULL) { - ui__error("Problems obtaining information for user %s\n", - str); - return UINT_MAX - 1; - } - } - - return result->pw_uid; -} diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c index 8109a907841e..d03599fbe78b 100644 --- a/tools/perf/util/util.c +++ b/tools/perf/util/util.c @@ -148,3 +148,13 @@ int readn(int fd, void *buf, size_t n) return buf - buf_start; } + +size_t hex_width(u64 v) +{ + size_t n = 1; + + while ((v >>= 4)) + ++n; + + return n; +} diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index 0f99f394d8e0..2daaedb83d84 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -74,7 +74,6 @@ #include <netinet/tcp.h> #include <arpa/inet.h> #include <netdb.h> -#include <pwd.h> #include <inttypes.h> #include "../../../include/linux/magic.h" #include "types.h" @@ -249,8 +248,6 @@ struct perf_event_attr; void event_attr_init(struct perf_event_attr *attr); -uid_t parse_target_uid(const char *str, const char *tid, const char *pid); - #define _STR(x) #x #define STR(x) _STR(x) @@ -265,4 +262,6 @@ bool is_power_of_2(unsigned long n) return (n != 0 && ((n & (n - 1)) == 0)); } +size_t hex_width(u64 v); + #endif |