From bedbef8ad3e75a304af6361af235302bcc61d06b Mon Sep 17 00:00:00 2001 From: hc <hc@nodka.com> Date: Tue, 14 May 2024 06:39:01 +0000 Subject: [PATCH] 修改内核路径 --- kernel/tools/perf/util/annotate.c | 960 ++++++++++++++++++++++++++++++++++++++++------------------- 1 files changed, 648 insertions(+), 312 deletions(-) diff --git a/kernel/tools/perf/util/annotate.c b/kernel/tools/perf/util/annotate.c index 6958d7e..c9078ce 100644 --- a/kernel/tools/perf/util/annotate.c +++ b/kernel/tools/perf/util/annotate.c @@ -1,34 +1,48 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com> * * Parts came from builtin-annotate.c, see those files for further * copyright notes. - * - * Released under the GPL v2. (and only v2, not any later version) */ #include <errno.h> #include <inttypes.h> -#include "util.h" +#include <libgen.h> +#include <stdlib.h> +#include <bpf/bpf.h> +#include <bpf/btf.h> +#include <bpf/libbpf.h> +#include <linux/btf.h> +#include "util.h" // hex_width() #include "ui/ui.h" #include "sort.h" #include "build-id.h" #include "color.h" #include "config.h" -#include "cache.h" +#include "dso.h" +#include "env.h" +#include "map.h" +#include "maps.h" #include "symbol.h" +#include "srcline.h" #include "units.h" #include "debug.h" #include "annotate.h" #include "evsel.h" #include "evlist.h" +#include "bpf-event.h" #include "block-range.h" #include "string2.h" +#include "util/event.h" #include "arch/common.h" #include <regex.h> #include <pthread.h> #include <linux/bitops.h> #include <linux/kernel.h> +#include <linux/string.h> +#include <subcmd/parse-options.h> +#include <subcmd/run-command.h> /* FIXME: For the HE_COLORSET */ #include "ui/browser.h" @@ -42,7 +56,7 @@ #define DARROW_CHAR ((unsigned char)'.') #define UARROW_CHAR ((unsigned char)'-') -#include "sane_ctype.h" +#include <linux/ctype.h> struct annotation_options annotation__default_options = { .use_offset = true, @@ -134,13 +148,20 @@ return 0; } +#include "arch/arc/annotate/instructions.c" #include "arch/arm/annotate/instructions.c" #include "arch/arm64/annotate/instructions.c" +#include "arch/csky/annotate/instructions.c" #include "arch/x86/annotate/instructions.c" #include "arch/powerpc/annotate/instructions.c" #include "arch/s390/annotate/instructions.c" +#include "arch/sparc/annotate/instructions.c" static struct arch architectures[] = { + { + .name = "arc", + .init = arc__annotate_init, + }, { .name = "arm", .init = arm__annotate_init, @@ -148,6 +169,10 @@ { .name = "arm64", .init = arm64__annotate_init, + }, + { + .name = "csky", + .init = csky__annotate_init, }, { .name = "x86", @@ -170,6 +195,13 @@ .comment_char = '#', }, }, + { + .name = "sparc", + .init = sparc__annotate_init, + .objdump = { + .comment_char = '#', + }, + }, }; static void ins__delete(struct ins_operands *ops) @@ -183,18 +215,18 @@ } static int ins__raw_scnprintf(struct ins *ins, char *bf, size_t size, - struct ins_operands *ops) + struct ins_operands *ops, int max_ins_name) { - return scnprintf(bf, size, "%-6s %s", ins->name, ops->raw); + return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, ops->raw); } int ins__scnprintf(struct ins *ins, char *bf, size_t size, - struct ins_operands *ops) + struct ins_operands *ops, int max_ins_name) { if (ins->ops->scnprintf) - return ins->ops->scnprintf(ins, bf, size, ops); + return ins->ops->scnprintf(ins, bf, size, ops, max_ins_name); - return ins__raw_scnprintf(ins, bf, size, ops); + return ins__raw_scnprintf(ins, bf, size, ops, max_ins_name); } bool ins__is_fused(struct arch *arch, const char *ins1, const char *ins2) @@ -210,7 +242,7 @@ char *endptr, *tok, *name; struct map *map = ms->map; struct addr_map_symbol target = { - .map = map, + .ms = { .map = map, }, }; ops->target.addr = strtoull(ops->raw, &endptr, 16); @@ -238,9 +270,9 @@ find_target: target.addr = map__objdump_2mem(map, ops->target.addr); - if (map_groups__find_ams(&target) == 0 && - map__rip_2objdump(target.map, map->map_ip(target.map, target.addr)) == ops->target.addr) - ops->target.sym = target.sym; + if (maps__find_ams(ms->maps, &target) == 0 && + map__rip_2objdump(target.ms.map, map->map_ip(target.ms.map, target.addr)) == ops->target.addr) + ops->target.sym = target.ms.sym; return 0; @@ -258,18 +290,18 @@ } static int call__scnprintf(struct ins *ins, char *bf, size_t size, - struct ins_operands *ops) + struct ins_operands *ops, int max_ins_name) { if (ops->target.sym) - return scnprintf(bf, size, "%-6s %s", ins->name, ops->target.sym->name); + return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, ops->target.sym->name); if (ops->target.addr == 0) - return ins__raw_scnprintf(ins, bf, size, ops); + return ins__raw_scnprintf(ins, bf, size, ops, max_ins_name); if (ops->target.name) - return scnprintf(bf, size, "%-6s %s", ins->name, ops->target.name); + return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, ops->target.name); - return scnprintf(bf, size, "%-6s *%" PRIx64, ins->name, ops->target.addr); + return scnprintf(bf, size, "%-*s *%" PRIx64, max_ins_name, ins->name, ops->target.addr); } static struct ins_ops call_ops = { @@ -285,10 +317,16 @@ /* * Prevents from matching commas in the comment section, e.g.: * ffff200008446e70: b.cs ffff2000084470f4 <generic_exec_single+0x314> // b.hs, b.nlast + * + * and skip comma as part of function arguments, e.g.: + * 1d8b4ac <linemap_lookup(line_maps const*, unsigned int)+0xcc> */ static inline const char *validate_comma(const char *c, struct ins_operands *ops) { if (ops->raw_comment && c > ops->raw_comment) + return NULL; + + if (ops->raw_func_start && c > ops->raw_func_start) return NULL; return c; @@ -299,12 +337,14 @@ struct map *map = ms->map; struct symbol *sym = ms->sym; struct addr_map_symbol target = { - .map = map, + .ms = { .map = map, }, }; const char *c = strchr(ops->raw, ','); u64 start, end; ops->raw_comment = strchr(ops->raw, arch->objdump.comment_char); + ops->raw_func_start = strchr(ops->raw, '<'); + c = validate_comma(c, ops); /* @@ -358,9 +398,9 @@ * Actual navigation will come next, with further understanding of how * the symbol searching and disassembly should be done. */ - if (map_groups__find_ams(&target) == 0 && - map__rip_2objdump(target.map, map->map_ip(target.map, target.addr)) == ops->target.addr) - ops->target.sym = target.sym; + if (maps__find_ams(ms->maps, &target) == 0 && + map__rip_2objdump(target.ms.map, map->map_ip(target.ms.map, target.addr)) == ops->target.addr) + ops->target.sym = target.ms.sym; if (!ops->target.outside) { ops->target.offset = target.addr - start; @@ -373,15 +413,15 @@ } static int jump__scnprintf(struct ins *ins, char *bf, size_t size, - struct ins_operands *ops) + struct ins_operands *ops, int max_ins_name) { const char *c; if (!ops->target.addr || ops->target.offset < 0) - return ins__raw_scnprintf(ins, bf, size, ops); + return ins__raw_scnprintf(ins, bf, size, ops, max_ins_name); if (ops->target.outside && ops->target.sym != NULL) - return scnprintf(bf, size, "%-6s %s", ins->name, ops->target.sym->name); + return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, ops->target.sym->name); c = strchr(ops->raw, ','); c = validate_comma(c, ops); @@ -400,7 +440,7 @@ c++; } - return scnprintf(bf, size, "%-6s %.*s%" PRIx64, + return scnprintf(bf, size, "%-*s %.*s%" PRIx64, max_ins_name, ins->name, c ? c - ops->raw : 0, ops->raw, ops->target.offset); } @@ -468,16 +508,16 @@ } static int lock__scnprintf(struct ins *ins, char *bf, size_t size, - struct ins_operands *ops) + struct ins_operands *ops, int max_ins_name) { int printed; if (ops->locked.ins.ops == NULL) - return ins__raw_scnprintf(ins, bf, size, ops); + return ins__raw_scnprintf(ins, bf, size, ops, max_ins_name); - printed = scnprintf(bf, size, "%-6s ", ins->name); + printed = scnprintf(bf, size, "%-*s ", max_ins_name, ins->name); return printed + ins__scnprintf(&ops->locked.ins, bf + printed, - size - printed, ops->locked.ops); + size - printed, ops->locked.ops, max_ins_name); } static void lock__delete(struct ins_operands *ops) @@ -537,7 +577,7 @@ if (comment == NULL) return 0; - comment = ltrim(comment); + comment = skip_spaces(comment); comment__symbol(ops->source.raw, comment + 1, &ops->source.addr, &ops->source.name); comment__symbol(ops->target.raw, comment + 1, &ops->target.addr, &ops->target.name); @@ -549,9 +589,9 @@ } static int mov__scnprintf(struct ins *ins, char *bf, size_t size, - struct ins_operands *ops) + struct ins_operands *ops, int max_ins_name) { - return scnprintf(bf, size, "%-6s %s,%s", ins->name, + return scnprintf(bf, size, "%-*s %s,%s", max_ins_name, ins->name, ops->source.name ?: ops->source.raw, ops->target.name ?: ops->target.raw); } @@ -582,16 +622,16 @@ if (comment == NULL) return 0; - comment = ltrim(comment); + comment = skip_spaces(comment); comment__symbol(ops->target.raw, comment + 1, &ops->target.addr, &ops->target.name); return 0; } static int dec__scnprintf(struct ins *ins, char *bf, size_t size, - struct ins_operands *ops) + struct ins_operands *ops, int max_ins_name) { - return scnprintf(bf, size, "%-6s %s", ins->name, + return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, ops->target.name ?: ops->target.raw); } @@ -601,9 +641,9 @@ }; static int nop__scnprintf(struct ins *ins __maybe_unused, char *bf, size_t size, - struct ins_operands *ops __maybe_unused) + struct ins_operands *ops __maybe_unused, int max_ins_name) { - return scnprintf(bf, size, "%-6s", "nop"); + return scnprintf(bf, size, "%-*s", max_ins_name, "nop"); } static struct ins_ops nop_ops = { @@ -821,6 +861,10 @@ ch[offset].start < start) return 0; } + + if (ch[offset].num < NUM_SPARKS) + ch[offset].cycles_spark[ch[offset].num] = cycles; + ch[offset].have_start = have_start; ch[offset].start = start; ch[offset].cycles += cycles; @@ -828,14 +872,15 @@ return 0; } -static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map, +static int __symbol__inc_addr_samples(struct map_symbol *ms, struct annotated_source *src, int evidx, u64 addr, struct perf_sample *sample) { + struct symbol *sym = ms->sym; unsigned offset; struct sym_hist *h; - pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr)); + pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, ms->map->unmap_ip(ms->map, addr)); if ((addr < sym->start || addr >= sym->end) && (addr != sym->end || sym->start != sym->end)) { @@ -902,17 +947,17 @@ return notes->src; } -static int symbol__inc_addr_samples(struct symbol *sym, struct map *map, - struct perf_evsel *evsel, u64 addr, +static int symbol__inc_addr_samples(struct map_symbol *ms, + struct evsel *evsel, u64 addr, struct perf_sample *sample) { + struct symbol *sym = ms->sym; struct annotated_source *src; if (sym == NULL) return 0; - src = symbol__hists(sym, evsel->evlist->nr_entries); - return (src) ? __symbol__inc_addr_samples(sym, map, src, evsel->idx, - addr, sample) : 0; + src = symbol__hists(sym, evsel->evlist->core.nr_entries); + return src ? __symbol__inc_addr_samples(ms, src, evsel->idx, addr, sample) : 0; } static int symbol__account_cycles(u64 addr, u64 start, @@ -960,17 +1005,17 @@ * it starts on the function start. */ if (start && - (start->sym == ams->sym || - (ams->sym && - start->addr == ams->sym->start + ams->map->start))) + (start->ms.sym == ams->ms.sym || + (ams->ms.sym && + start->addr == ams->ms.sym->start + ams->ms.map->start))) saddr = start->al_addr; if (saddr == 0) pr_debug2("BB with bad start: addr %"PRIx64" start %"PRIx64" sym %"PRIx64" saddr %"PRIx64"\n", ams->addr, start ? start->addr : 0, - ams->sym ? ams->sym->start + ams->map->start : 0, + ams->ms.sym ? ams->ms.sym->start + ams->ms.map->start : 0, saddr); - err = symbol__account_cycles(ams->al_addr, saddr, ams->sym, cycles); + err = symbol__account_cycles(ams->al_addr, saddr, ams->ms.sym, cycles); if (err) pr_debug2("account_cycles failed %d\n", err); return err; @@ -991,6 +1036,7 @@ static void annotation__count_and_fill(struct annotation *notes, u64 start, u64 end, struct cyc_hist *ch) { unsigned n_insn; + unsigned int cover_insn = 0; u64 offset; n_insn = annotation__count_insn(notes, start, end); @@ -998,27 +1044,40 @@ float ipc = n_insn / ((double)ch->cycles / (double)ch->num); /* Hide data when there are too many overlaps. */ - if (ch->reset >= 0x7fff || ch->reset >= ch->num / 2) + if (ch->reset >= 0x7fff) return; for (offset = start; offset <= end; offset++) { struct annotation_line *al = notes->offsets[offset]; - if (al) + if (al && al->ipc == 0.0) { al->ipc = ipc; + cover_insn++; + } + } + + if (cover_insn) { + notes->hit_cycles += ch->cycles; + notes->hit_insn += n_insn * ch->num; + notes->cover_insn += cover_insn; } } } void annotation__compute_ipc(struct annotation *notes, size_t size) { - u64 offset; + s64 offset; if (!notes->src || !notes->src->cycles_hist) return; + notes->total_insn = annotation__count_insn(notes, 0, size - 1); + notes->hit_cycles = 0; + notes->hit_insn = 0; + notes->cover_insn = 0; + pthread_mutex_lock(¬es->lock); - for (offset = 0; offset < size; ++offset) { + for (offset = size - 1; offset >= 0; --offset) { struct cyc_hist *ch; ch = ¬es->src->cycles_hist[offset]; @@ -1040,15 +1099,15 @@ } int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, struct perf_sample *sample, - struct perf_evsel *evsel) + struct evsel *evsel) { - return symbol__inc_addr_samples(ams->sym, ams->map, evsel, ams->al_addr, sample); + return symbol__inc_addr_samples(&ams->ms, evsel, ams->al_addr, sample); } int hist_entry__inc_addr_samples(struct hist_entry *he, struct perf_sample *sample, - struct perf_evsel *evsel, u64 ip) + struct evsel *evsel, u64 ip) { - return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evsel, ip, sample); + return symbol__inc_addr_samples(&he->ms, evsel, ip, sample); } static void disasm_line__init_ins(struct disasm_line *dl, struct arch *arch, struct map_symbol *ms) @@ -1064,7 +1123,7 @@ static int disasm_line__parse(char *line, const char **namep, char **rawp) { - char tmp, *name = ltrim(line); + char tmp, *name = skip_spaces(line); if (name[0] == '\0') return -1; @@ -1082,7 +1141,7 @@ goto out; (*rawp)[0] = tmp; - *rawp = ltrim(*rawp); + *rawp = strim(*rawp); return 0; @@ -1091,93 +1150,70 @@ } struct annotate_args { - size_t privsize; - struct arch *arch; - struct map_symbol ms; - struct perf_evsel *evsel; + struct arch *arch; + struct map_symbol ms; + struct evsel *evsel; struct annotation_options *options; - s64 offset; - char *line; - int line_nr; + s64 offset; + char *line; + int line_nr; }; -static void annotation_line__delete(struct annotation_line *al) +static void annotation_line__init(struct annotation_line *al, + struct annotate_args *args, + int nr) { - void *ptr = (void *) al - al->privsize; - - free_srcline(al->path); - zfree(&al->line); - free(ptr); + al->offset = args->offset; + al->line = strdup(args->line); + al->line_nr = args->line_nr; + al->data_nr = nr; } -/* - * Allocating the annotation line data with following - * structure: - * - * -------------------------------------- - * private space | struct annotation_line - * -------------------------------------- - * - * Size of the private space is stored in 'struct annotation_line'. - * - */ -static struct annotation_line * -annotation_line__new(struct annotate_args *args, size_t privsize) +static void annotation_line__exit(struct annotation_line *al) +{ + free_srcline(al->path); + zfree(&al->line); +} + +static size_t disasm_line_size(int nr) { struct annotation_line *al; - struct perf_evsel *evsel = args->evsel; - size_t size = privsize + sizeof(*al); - int nr = 1; - if (perf_evsel__is_group_event(evsel)) - nr = evsel->nr_members; - - size += sizeof(al->data[0]) * nr; - - al = zalloc(size); - if (al) { - al = (void *) al + privsize; - al->privsize = privsize; - al->offset = args->offset; - al->line = strdup(args->line); - al->line_nr = args->line_nr; - al->data_nr = nr; - } - - return al; + return (sizeof(struct disasm_line) + (sizeof(al->data[0]) * nr)); } /* * Allocating the disasm annotation line data with * following structure: * - * ------------------------------------------------------------ - * privsize space | struct disasm_line | struct annotation_line - * ------------------------------------------------------------ + * ------------------------------------------- + * struct disasm_line | struct annotation_line + * ------------------------------------------- * * We have 'struct annotation_line' member as last member * of 'struct disasm_line' to have an easy access. - * */ static struct disasm_line *disasm_line__new(struct annotate_args *args) { struct disasm_line *dl = NULL; - struct annotation_line *al; - size_t privsize = args->privsize + offsetof(struct disasm_line, al); + int nr = 1; - al = annotation_line__new(args, privsize); - if (al != NULL) { - dl = disasm_line(al); + if (evsel__is_group_event(args->evsel)) + nr = args->evsel->core.nr_members; - if (dl->al.line == NULL) - goto out_delete; + dl = zalloc(disasm_line_size(nr)); + if (!dl) + return NULL; - if (args->offset != -1) { - if (disasm_line__parse(dl->al.line, &dl->ins.name, &dl->ops.raw) < 0) - goto out_free_line; + annotation_line__init(&dl->al, args, nr); + if (dl->al.line == NULL) + goto out_delete; - disasm_line__init_ins(dl, args->arch, &args->ms); - } + if (args->offset != -1) { + if (disasm_line__parse(dl->al.line, &dl->ins.name, &dl->ops.raw) < 0) + goto out_free_line; + + disasm_line__init_ins(dl, args->arch, &args->ms); } return dl; @@ -1195,17 +1231,17 @@ dl->ins.ops->free(&dl->ops); else ins__delete(&dl->ops); - free((void *)dl->ins.name); - dl->ins.name = NULL; - annotation_line__delete(&dl->al); + zfree(&dl->ins.name); + annotation_line__exit(&dl->al); + free(dl); } -int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw) +int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw, int max_ins_name) { if (raw || !dl->ins.ops) - return scnprintf(bf, size, "%-6s %s", dl->ins.name, dl->ops.raw); + return scnprintf(bf, size, "%-*s %s", max_ins_name, dl->ins.name, dl->ops.raw); - return ins__scnprintf(&dl->ins, bf, size, &dl->ops); + return ins__scnprintf(&dl->ins, bf, size, &dl->ops, max_ins_name); } static void annotation_line__add(struct annotation_line *al, struct list_head *head) @@ -1320,7 +1356,7 @@ static int annotation_line__print(struct annotation_line *al, struct symbol *sym, u64 start, - struct perf_evsel *evsel, u64 len, int min_pcnt, int printed, + struct evsel *evsel, u64 len, int min_pcnt, int printed, int max_lines, struct annotation_line *queue, int addr_fmt_width, int percent_type) { @@ -1408,8 +1444,8 @@ if (queue) return -1; - if (perf_evsel__is_group_event(evsel)) - width *= evsel->nr_members; + if (evsel__is_group_event(evsel)) + width *= evsel->core.nr_members; if (!*al->line) printf(" %*s:\n", width, " "); @@ -1440,26 +1476,16 @@ * means that it's not a disassembly line so should be treated differently. * The ops.raw part will be parsed further according to type of the instruction. */ -static int symbol__parse_objdump_line(struct symbol *sym, FILE *file, +static int symbol__parse_objdump_line(struct symbol *sym, struct annotate_args *args, - int *line_nr) + char *parsed_line, int *line_nr) { struct map *map = args->ms.map; struct annotation *notes = symbol__annotation(sym); struct disasm_line *dl; - char *line = NULL, *parsed_line, *tmp, *tmp2; - size_t line_len; + char *tmp; s64 line_ip, offset = -1; regmatch_t match[2]; - - if (getline(&line, &line_len, file) < 0) - return -1; - - if (!line) - return -1; - - line_ip = -1; - parsed_line = rtrim(line); /* /filename:linenr ? Save line number and ignore. */ if (regexec(&file_lineno, parsed_line, 2, match, 0) == 0) { @@ -1467,17 +1493,9 @@ return 0; } - tmp = ltrim(parsed_line); - if (*tmp) { - /* - * Parse hexa addresses followed by ':' - */ - line_ip = strtoull(tmp, &tmp2, 16); - if (*tmp2 != ':' || tmp == tmp2 || tmp2[1] == '\0') - line_ip = -1; - } - - if (line_ip != -1) { + /* Process hex address followed by ':'. */ + line_ip = strtoull(parsed_line, &tmp, 16); + if (parsed_line != tmp && tmp[0] == ':' && tmp[1] != '\0') { u64 start = map__rip_2objdump(map, sym->start), end = map__rip_2objdump(map, sym->end); @@ -1485,7 +1503,7 @@ if ((u64)line_ip < start || (u64)line_ip >= end) offset = -1; else - parsed_line = tmp2 + 1; + parsed_line = tmp + 1; } args->offset = offset; @@ -1494,7 +1512,6 @@ args->ms.sym = sym; dl = disasm_line__new(args); - free(line); (*line_nr)++; if (dl == NULL) @@ -1509,13 +1526,13 @@ /* kcore has no symbols, so add the call target symbol */ if (dl->ins.ops && ins__is_call(&dl->ins) && !dl->ops.target.sym) { struct addr_map_symbol target = { - .map = map, .addr = dl->ops.target.addr, + .ms = { .map = map, }, }; - if (!map_groups__find_ams(&target) && - target.sym->start == target.al_addr) - dl->ops.target.sym = target.sym; + if (!maps__find_ams(args->ms.maps, &target) && + target.ms.sym->start == target.al_addr) + dl->ops.target.sym = target.ms.sym; } annotation_line__add(&dl->al, ¬es->src->source); @@ -1547,15 +1564,14 @@ return; } - list_del(&dl->al.node); + list_del_init(&dl->al.node); disasm_line__free(dl); } } -int symbol__strerror_disassemble(struct symbol *sym __maybe_unused, struct map *map, - int errnum, char *buf, size_t buflen) +int symbol__strerror_disassemble(struct map_symbol *ms, int errnum, char *buf, size_t buflen) { - struct dso *dso = map->dso; + struct dso *dso = ms->map->dso; BUG_ON(buflen == 0); @@ -1570,8 +1586,7 @@ char *build_id_msg = NULL; if (dso->has_build_id) { - build_id__sprintf(dso->build_id, - sizeof(dso->build_id), bf + 15); + build_id__sprintf(&dso->bid, bf + 15); build_id_msg = bf; } scnprintf(buf, buflen, @@ -1582,6 +1597,22 @@ "or:\n\n" " --vmlinux vmlinux\n", build_id_msg ?: ""); } + break; + case SYMBOL_ANNOTATE_ERRNO__NO_LIBOPCODES_FOR_BPF: + scnprintf(buf, buflen, "Please link with binutils's libopcode to enable BPF annotation"); + break; + case SYMBOL_ANNOTATE_ERRNO__ARCH_INIT_REGEXP: + scnprintf(buf, buflen, "Problems with arch specific instruction name regular expressions."); + break; + case SYMBOL_ANNOTATE_ERRNO__ARCH_INIT_CPUID_PARSING: + scnprintf(buf, buflen, "Problems while parsing the CPUID in the arch specific initialization."); + break; + case SYMBOL_ANNOTATE_ERRNO__BPF_INVALID_FILE: + scnprintf(buf, buflen, "Invalid BPF file: %s.", dso->long_name); + break; + case SYMBOL_ANNOTATE_ERRNO__BPF_MISSING_BTF: + scnprintf(buf, buflen, "The %s BPF file has no BTF section, compile with -g or use pahole -J.", + dso->long_name); break; default: scnprintf(buf, buflen, "Internal error: Invalid %d error code\n", errnum); @@ -1597,6 +1628,7 @@ char *build_id_filename; char *build_id_path = NULL; char *pos; + int len; if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS && !dso__is_kcore(dso)) @@ -1625,10 +1657,16 @@ if (pos && strlen(pos) < SBUILD_ID_SIZE - 2) dirname(build_id_path); - if (dso__is_kcore(dso) || - readlink(build_id_path, linkname, sizeof(linkname)) < 0 || - strstr(linkname, DSO__NAME_KALLSYMS) || - access(filename, R_OK)) { + if (dso__is_kcore(dso)) + goto fallback; + + len = readlink(build_id_path, linkname, sizeof(linkname) - 1); + if (len < 0) + goto fallback; + + linkname[len] = '\0'; + if (strstr(linkname, DSO__NAME_KALLSYMS) || + access(filename, R_OK)) { fallback: /* * If we don't have build-ids or the build-id file isn't in the @@ -1642,6 +1680,243 @@ return 0; } +#if defined(HAVE_LIBBFD_SUPPORT) && defined(HAVE_LIBBPF_SUPPORT) +#define PACKAGE "perf" +#include <bfd.h> +#include <dis-asm.h> + +static int symbol__disassemble_bpf(struct symbol *sym, + struct annotate_args *args) +{ + struct annotation *notes = symbol__annotation(sym); + struct annotation_options *opts = args->options; + struct bpf_prog_info_linear *info_linear; + struct bpf_prog_linfo *prog_linfo = NULL; + struct bpf_prog_info_node *info_node; + int len = sym->end - sym->start; + disassembler_ftype disassemble; + struct map *map = args->ms.map; + struct disassemble_info info; + struct dso *dso = map->dso; + int pc = 0, count, sub_id; + struct btf *btf = NULL; + char tpath[PATH_MAX]; + size_t buf_size; + int nr_skip = 0; + char *buf; + bfd *bfdf; + int ret; + FILE *s; + + if (dso->binary_type != DSO_BINARY_TYPE__BPF_PROG_INFO) + return SYMBOL_ANNOTATE_ERRNO__BPF_INVALID_FILE; + + pr_debug("%s: handling sym %s addr %" PRIx64 " len %" PRIx64 "\n", __func__, + sym->name, sym->start, sym->end - sym->start); + + memset(tpath, 0, sizeof(tpath)); + perf_exe(tpath, sizeof(tpath)); + + bfdf = bfd_openr(tpath, NULL); + if (bfdf == NULL) + abort(); + + if (!bfd_check_format(bfdf, bfd_object)) + abort(); + + s = open_memstream(&buf, &buf_size); + if (!s) { + ret = errno; + goto out; + } + init_disassemble_info(&info, s, + (fprintf_ftype) fprintf); + + info.arch = bfd_get_arch(bfdf); + info.mach = bfd_get_mach(bfdf); + + info_node = perf_env__find_bpf_prog_info(dso->bpf_prog.env, + dso->bpf_prog.id); + if (!info_node) { + ret = SYMBOL_ANNOTATE_ERRNO__BPF_MISSING_BTF; + goto out; + } + info_linear = info_node->info_linear; + sub_id = dso->bpf_prog.sub_id; + + info.buffer = (void *)(uintptr_t)(info_linear->info.jited_prog_insns); + info.buffer_length = info_linear->info.jited_prog_len; + + if (info_linear->info.nr_line_info) + prog_linfo = bpf_prog_linfo__new(&info_linear->info); + + if (info_linear->info.btf_id) { + struct btf_node *node; + + node = perf_env__find_btf(dso->bpf_prog.env, + info_linear->info.btf_id); + if (node) + btf = btf__new((__u8 *)(node->data), + node->data_size); + } + + disassemble_init_for_target(&info); + +#ifdef DISASM_FOUR_ARGS_SIGNATURE + disassemble = disassembler(info.arch, + bfd_big_endian(bfdf), + info.mach, + bfdf); +#else + disassemble = disassembler(bfdf); +#endif + if (disassemble == NULL) + abort(); + + fflush(s); + do { + const struct bpf_line_info *linfo = NULL; + struct disasm_line *dl; + size_t prev_buf_size; + const char *srcline; + u64 addr; + + addr = pc + ((u64 *)(uintptr_t)(info_linear->info.jited_ksyms))[sub_id]; + count = disassemble(pc, &info); + + if (prog_linfo) + linfo = bpf_prog_linfo__lfind_addr_func(prog_linfo, + addr, sub_id, + nr_skip); + + if (linfo && btf) { + srcline = btf__name_by_offset(btf, linfo->line_off); + nr_skip++; + } else + srcline = NULL; + + fprintf(s, "\n"); + prev_buf_size = buf_size; + fflush(s); + + if (!opts->hide_src_code && srcline) { + args->offset = -1; + args->line = strdup(srcline); + args->line_nr = 0; + args->ms.sym = sym; + dl = disasm_line__new(args); + if (dl) { + annotation_line__add(&dl->al, + ¬es->src->source); + } + } + + args->offset = pc; + args->line = buf + prev_buf_size; + args->line_nr = 0; + args->ms.sym = sym; + dl = disasm_line__new(args); + if (dl) + annotation_line__add(&dl->al, ¬es->src->source); + + pc += count; + } while (count > 0 && pc < len); + + ret = 0; +out: + free(prog_linfo); + free(btf); + fclose(s); + bfd_close(bfdf); + return ret; +} +#else // defined(HAVE_LIBBFD_SUPPORT) && defined(HAVE_LIBBPF_SUPPORT) +static int symbol__disassemble_bpf(struct symbol *sym __maybe_unused, + struct annotate_args *args __maybe_unused) +{ + return SYMBOL_ANNOTATE_ERRNO__NO_LIBOPCODES_FOR_BPF; +} +#endif // defined(HAVE_LIBBFD_SUPPORT) && defined(HAVE_LIBBPF_SUPPORT) + +static int +symbol__disassemble_bpf_image(struct symbol *sym, + struct annotate_args *args) +{ + struct annotation *notes = symbol__annotation(sym); + struct disasm_line *dl; + + args->offset = -1; + args->line = strdup("to be implemented"); + args->line_nr = 0; + dl = disasm_line__new(args); + if (dl) + annotation_line__add(&dl->al, ¬es->src->source); + + free(args->line); + return 0; +} + +/* + * Possibly create a new version of line with tabs expanded. Returns the + * existing or new line, storage is updated if a new line is allocated. If + * allocation fails then NULL is returned. + */ +static char *expand_tabs(char *line, char **storage, size_t *storage_len) +{ + size_t i, src, dst, len, new_storage_len, num_tabs; + char *new_line; + size_t line_len = strlen(line); + + for (num_tabs = 0, i = 0; i < line_len; i++) + if (line[i] == '\t') + num_tabs++; + + if (num_tabs == 0) + return line; + + /* + * Space for the line and '\0', less the leading and trailing + * spaces. Each tab may introduce 7 additional spaces. + */ + new_storage_len = line_len + 1 + (num_tabs * 7); + + new_line = malloc(new_storage_len); + if (new_line == NULL) { + pr_err("Failure allocating memory for tab expansion\n"); + return NULL; + } + + /* + * Copy regions starting at src and expand tabs. If there are two + * adjacent tabs then 'src == i', the memcpy is of size 0 and the spaces + * are inserted. + */ + for (i = 0, src = 0, dst = 0; i < line_len && num_tabs; i++) { + if (line[i] == '\t') { + len = i - src; + memcpy(&new_line[dst], &line[src], len); + dst += len; + new_line[dst++] = ' '; + while (dst % 8 != 0) + new_line[dst++] = ' '; + src = i + 1; + num_tabs--; + } + } + + /* Expand the last region. */ + len = line_len - src; + memcpy(&new_line[dst], &line[src], len); + dst += len; + new_line[dst] = '\0'; + + free(*storage); + *storage = new_line; + *storage_len = new_storage_len; + return new_line; + +} + static int symbol__disassemble(struct symbol *sym, struct annotate_args *args) { struct annotation_options *opts = args->options; @@ -1653,10 +1928,19 @@ struct kcore_extract kce; bool delete_extract = false; bool decomp = false; - int stdout_fd[2]; int lineno = 0; int nline; - pid_t pid; + char *line; + size_t line_len; + const char *objdump_argv[] = { + "/bin/sh", + "-c", + NULL, /* Will be the objdump command to run. */ + "--", + NULL, /* Will be the symfs path. */ + NULL, + }; + struct child_process objdump_process; int err = dso__disassemble_filename(dso, symfs_filename, sizeof(symfs_filename)); if (err) @@ -1669,7 +1953,11 @@ pr_debug("annotating [%p] %30s : [%p] %30s\n", dso, dso->long_name, sym, sym->name); - if (dso__is_kcore(dso)) { + if (dso->binary_type == DSO_BINARY_TYPE__BPF_PROG_INFO) { + return symbol__disassemble_bpf(sym, args); + } else if (dso->binary_type == DSO_BINARY_TYPE__BPF_IMAGE) { + return symbol__disassemble_bpf_image(sym, args); + } else if (dso__is_kcore(dso)) { kce.kcore_filename = symfs_filename; kce.addr = map__rip_2objdump(map, sym->start); kce.offs = sym->start; @@ -1684,7 +1972,7 @@ if (dso__decompress_kmodule_path(dso, symfs_filename, tmp, sizeof(tmp)) < 0) - goto out; + return -1; decomp = true; strcpy(symfs_filename, tmp); @@ -1693,15 +1981,20 @@ err = asprintf(&command, "%s %s%s --start-address=0x%016" PRIx64 " --stop-address=0x%016" PRIx64 - " -l -d %s %s -C \"%s\" 2>/dev/null|grep -v \"%s:\"|expand", + " -l -d %s %s %s %c%s%c %s%s -C \"$1\"", opts->objdump_path ?: "objdump", opts->disassembler_style ? "-M " : "", opts->disassembler_style ?: "", map__rip_2objdump(map, sym->start), map__rip_2objdump(map, sym->end), - opts->show_asm_raw ? "" : "--no-show-raw", + opts->show_asm_raw ? "" : "--no-show-raw-insn", opts->annotate_src ? "-S" : "", - symfs_filename, symfs_filename); + opts->prefix ? "--prefix " : "", + opts->prefix ? '"' : ' ', + opts->prefix ?: "", + opts->prefix ? '"' : ' ', + opts->prefix_strip ? "--prefix-strip=" : "", + opts->prefix_strip ?: ""); if (err < 0) { pr_err("Failure allocating memory for the command to run\n"); @@ -1710,54 +2003,73 @@ pr_debug("Executing: %s\n", command); - err = -1; - if (pipe(stdout_fd) < 0) { - pr_err("Failure creating the pipe to run %s\n", command); + objdump_argv[2] = command; + objdump_argv[4] = symfs_filename; + + /* Create a pipe to read from for stdout */ + memset(&objdump_process, 0, sizeof(objdump_process)); + objdump_process.argv = objdump_argv; + objdump_process.out = -1; + if (start_command(&objdump_process)) { + pr_err("Failure starting to run %s\n", command); + err = -1; goto out_free_command; } - pid = fork(); - if (pid < 0) { - pr_err("Failure forking to run %s\n", command); - goto out_close_stdout; - } - - if (pid == 0) { - close(stdout_fd[0]); - dup2(stdout_fd[1], 1); - close(stdout_fd[1]); - execl("/bin/sh", "sh", "-c", command, NULL); - perror(command); - exit(-1); - } - - close(stdout_fd[1]); - - file = fdopen(stdout_fd[0], "r"); + file = fdopen(objdump_process.out, "r"); if (!file) { pr_err("Failure creating FILE stream for %s\n", command); /* * If we were using debug info should retry with * original binary. */ - goto out_free_command; + err = -1; + goto out_close_stdout; } + + /* Storage for getline. */ + line = NULL; + line_len = 0; nline = 0; while (!feof(file)) { + const char *match; + char *expanded_line; + + if (getline(&line, &line_len, file) < 0 || !line) + break; + + /* Skip lines containing "filename:" */ + match = strstr(line, symfs_filename); + if (match && match[strlen(symfs_filename)] == ':') + continue; + + expanded_line = strim(line); + expanded_line = expand_tabs(expanded_line, &line, &line_len); + if (!expanded_line) + break; + /* * The source code line number (lineno) needs to be kept in - * accross calls to symbol__parse_objdump_line(), so that it + * across calls to symbol__parse_objdump_line(), so that it * can associate it with the instructions till the next one. * See disasm_line__new() and struct disasm_line::line_nr. */ - if (symbol__parse_objdump_line(sym, file, args, &lineno) < 0) + if (symbol__parse_objdump_line(sym, args, expanded_line, + &lineno) < 0) break; nline++; } + free(line); - if (nline == 0) + err = finish_command(&objdump_process); + if (err) + pr_err("Error running %s\n", command); + + if (nline == 0) { + err = -1; pr_err("No output from %s\n", command); + } /* * kallsyms does not have symbol sizes so there may a nop at the end. @@ -1767,23 +2079,21 @@ delete_last_nop(sym); fclose(file); - err = 0; + +out_close_stdout: + close(objdump_process.out); + out_free_command: free(command); -out_remove_tmp: - close(stdout_fd[0]); +out_remove_tmp: if (decomp) unlink(symfs_filename); if (delete_extract) kcore_extract__delete(&kce); -out: - return err; -out_close_stdout: - close(stdout_fd[1]); - goto out_free_command; + return err; } static void calc_percent(struct sym_hist *sym_hist, @@ -1817,10 +2127,10 @@ } static void annotation__calc_percent(struct annotation *notes, - struct perf_evsel *leader, s64 len) + struct evsel *leader, s64 len) { struct annotation_line *al, *next; - struct perf_evsel *evsel; + struct evsel *evsel; list_for_each_entry(al, ¬es->src->source, node) { s64 end; @@ -1847,25 +2157,23 @@ } } -void symbol__calc_percent(struct symbol *sym, struct perf_evsel *evsel) +void symbol__calc_percent(struct symbol *sym, struct evsel *evsel) { struct annotation *notes = symbol__annotation(sym); annotation__calc_percent(notes, evsel, symbol__size(sym)); } -int symbol__annotate(struct symbol *sym, struct map *map, - struct perf_evsel *evsel, size_t privsize, - struct annotation_options *options, - struct arch **parch) +int symbol__annotate(struct map_symbol *ms, struct evsel *evsel, + struct annotation_options *options, struct arch **parch) { + struct symbol *sym = ms->sym; struct annotation *notes = symbol__annotation(sym); struct annotate_args args = { - .privsize = privsize, .evsel = evsel, .options = options, }; - struct perf_env *env = perf_evsel__env(evsel); + struct perf_env *env = evsel__env(evsel); const char *arch_name = perf_env__arch(env); struct arch *arch; int err; @@ -1888,9 +2196,8 @@ } } - args.ms.map = map; - args.ms.sym = sym; - notes->start = map__rip_2objdump(map, sym->start); + args.ms = *ms; + notes->start = map__rip_2objdump(ms->map, sym->start); return symbol__disassemble(sym, &args); } @@ -2020,7 +2327,7 @@ } } -static void symbol__annotate_hits(struct symbol *sym, struct perf_evsel *evsel) +static void symbol__annotate_hits(struct symbol *sym, struct evsel *evsel) { struct annotation *notes = symbol__annotation(sym); struct sym_hist *h = annotation__histogram(notes, evsel->idx); @@ -2046,14 +2353,15 @@ return 0; } -int symbol__annotate_printf(struct symbol *sym, struct map *map, - struct perf_evsel *evsel, +int symbol__annotate_printf(struct map_symbol *ms, struct evsel *evsel, struct annotation_options *opts) { + struct map *map = ms->map; + struct symbol *sym = ms->sym; struct dso *dso = map->dso; char *filename; const char *d_filename; - const char *evsel_name = perf_evsel__name(evsel); + const char *evsel_name = evsel__name(evsel); struct annotation *notes = symbol__annotation(sym); struct sym_hist *h = annotation__histogram(notes, evsel->idx); struct annotation_line *pos, *queue = NULL; @@ -2077,9 +2385,9 @@ len = symbol__size(sym); - if (perf_evsel__is_group_event(evsel)) { - width *= evsel->nr_members; - perf_evsel__group_desc(evsel, buf, sizeof(buf)); + if (evsel__is_group_event(evsel)) { + width *= evsel->core.nr_members; + evsel__group_desc(evsel, buf, sizeof(buf)); evsel_name = buf; } @@ -2211,10 +2519,10 @@ return 0; } -int map_symbol__annotation_dump(struct map_symbol *ms, struct perf_evsel *evsel, +int map_symbol__annotation_dump(struct map_symbol *ms, struct evsel *evsel, struct annotation_options *opts) { - const char *ev_name = perf_evsel__name(evsel); + const char *ev_name = evsel__name(evsel); char buf[1024]; char *filename; int err = -1; @@ -2227,8 +2535,8 @@ if (fp == NULL) goto out_free_filename; - if (perf_evsel__is_group_event(evsel)) { - perf_evsel__group_desc(evsel, buf, sizeof(buf)); + if (evsel__is_group_event(evsel)) { + evsel__group_desc(evsel, buf, sizeof(buf)); ev_name = buf; } @@ -2269,7 +2577,7 @@ struct annotation_line *al, *n; list_for_each_entry_safe(al, n, &as->source, node) { - list_del(&al->node); + list_del_init(&al->node); disasm_line__free(disasm_line(al)); } } @@ -2340,8 +2648,6 @@ if (++al->jump_sources > notes->max_jump_sources) notes->max_jump_sources = al->jump_sources; - - ++notes->nr_jumps; } } @@ -2350,6 +2656,8 @@ struct annotation_line *al; notes->max_line_len = 0; + notes->nr_entries = 0; + notes->nr_asm_entries = 0; list_for_each_entry(al, ¬es->src->source, node) { size_t line_len = strlen(al->line); @@ -2382,12 +2690,30 @@ return 1; } +static int annotation__max_ins_name(struct annotation *notes) +{ + int max_name = 0, len; + struct annotation_line *al; + + list_for_each_entry(al, ¬es->src->source, node) { + if (al->offset == -1) + continue; + + len = strlen(disasm_line(al)->ins.name); + if (max_name < len) + max_name = len; + } + + return max_name; +} + void annotation__init_column_widths(struct annotation *notes, struct symbol *sym) { notes->widths.addr = notes->widths.target = notes->widths.min_addr = hex_width(symbol__size(sym)); notes->widths.max_addr = hex_width(sym->end); notes->widths.jumps = width_jumps(notes->max_jump_sources); + notes->widths.max_ins_name = annotation__max_ins_name(notes); } void annotation__update_column_widths(struct annotation *notes) @@ -2435,30 +2761,29 @@ resort_source_line(root, &tmp_root); } -static void symbol__calc_lines(struct symbol *sym, struct map *map, - struct rb_root *root, +static void symbol__calc_lines(struct map_symbol *ms, struct rb_root *root, struct annotation_options *opts) { - struct annotation *notes = symbol__annotation(sym); + struct annotation *notes = symbol__annotation(ms->sym); - annotation__calc_lines(notes, map, root, opts); + annotation__calc_lines(notes, ms->map, root, opts); } -int symbol__tty_annotate2(struct symbol *sym, struct map *map, - struct perf_evsel *evsel, +int symbol__tty_annotate2(struct map_symbol *ms, struct evsel *evsel, struct annotation_options *opts) { - struct dso *dso = map->dso; + struct dso *dso = ms->map->dso; + struct symbol *sym = ms->sym; struct rb_root source_line = RB_ROOT; struct hists *hists = evsel__hists(evsel); char buf[1024]; - if (symbol__annotate2(sym, map, evsel, opts, NULL) < 0) + if (symbol__annotate2(ms, evsel, opts, NULL) < 0) return -1; if (opts->print_lines) { srcline_full_filename = opts->full_path; - symbol__calc_lines(sym, map, &source_line, opts); + symbol__calc_lines(ms, &source_line, opts); print_summary(&source_line, dso->long_name); } @@ -2472,25 +2797,25 @@ return 0; } -int symbol__tty_annotate(struct symbol *sym, struct map *map, - struct perf_evsel *evsel, +int symbol__tty_annotate(struct map_symbol *ms, struct evsel *evsel, struct annotation_options *opts) { - struct dso *dso = map->dso; + struct dso *dso = ms->map->dso; + struct symbol *sym = ms->sym; struct rb_root source_line = RB_ROOT; - if (symbol__annotate(sym, map, evsel, 0, opts, NULL) < 0) + if (symbol__annotate(ms, evsel, opts, NULL) < 0) return -1; symbol__calc_percent(sym, evsel); if (opts->print_lines) { srcline_full_filename = opts->full_path; - symbol__calc_lines(sym, map, &source_line, opts); + symbol__calc_lines(ms, &source_line, opts); print_summary(&source_line, dso->long_name); } - symbol__annotate_printf(sym, map, evsel, opts); + symbol__annotate_printf(ms, evsel, opts); annotated_source__purge(symbol__annotation(sym)->src); @@ -2551,7 +2876,23 @@ obj__printf(obj, " "); } - disasm_line__scnprintf(dl, bf, size, !notes->options->use_offset); + disasm_line__scnprintf(dl, bf, size, !notes->options->use_offset, notes->widths.max_ins_name); +} + +static void ipc_coverage_string(char *bf, int size, struct annotation *notes) +{ + double ipc = 0.0, coverage = 0.0; + + if (notes->hit_cycles) + ipc = notes->hit_insn / ((double)notes->hit_cycles); + + if (notes->total_insn) { + coverage = notes->cover_insn * 100.0 / + ((double)notes->total_insn); + } + + scnprintf(bf, size, "(Average IPC: %.2f, IPC Coverage: %.1f%%)", + ipc, coverage); } static void __annotation_line__write(struct annotation_line *al, struct annotation *notes, @@ -2588,9 +2929,9 @@ percent = annotation_data__percent(&al->data[i], percent_type); obj__set_percent_color(obj, percent, current_entry); - if (notes->options->show_total_period) { + if (symbol_conf.show_total_period) { obj__printf(obj, "%11" PRIu64 " ", al->data[i].he.period); - } else if (notes->options->show_nr_samples) { + } else if (symbol_conf.show_nr_samples) { obj__printf(obj, "%6" PRIu64 " ", al->data[i].he.nr_samples); } else { @@ -2604,8 +2945,8 @@ obj__printf(obj, "%-*s", pcnt_width, " "); else { obj__printf(obj, "%-*s", pcnt_width, - notes->options->show_total_period ? "Period" : - notes->options->show_nr_samples ? "Samples" : "Percent"); + symbol_conf.show_total_period ? "Period" : + symbol_conf.show_nr_samples ? "Samples" : "Percent"); } } @@ -2648,6 +2989,11 @@ obj__printf(obj, "%*s ", ANNOTATION__MINMAX_CYCLES_WIDTH - 1, "Cycle(min/max)"); + } + + if (show_title && !*al->line) { + ipc_coverage_string(bf, sizeof(bf), notes); + obj__printf(obj, "%*s", ANNOTATION__AVG_IPC_WIDTH, bf); } } @@ -2723,9 +3069,10 @@ wops->write_graph); } -int symbol__annotate2(struct symbol *sym, struct map *map, struct perf_evsel *evsel, +int symbol__annotate2(struct map_symbol *ms, struct evsel *evsel, struct annotation_options *options, struct arch **parch) { + struct symbol *sym = ms->sym; struct annotation *notes = symbol__annotation(sym); size_t size = symbol__size(sym); int nr_pcnt = 1, err; @@ -2734,10 +3081,10 @@ if (notes->offsets == NULL) return ENOMEM; - if (perf_evsel__is_group_event(evsel)) - nr_pcnt = evsel->nr_members; + if (evsel__is_group_event(evsel)) + nr_pcnt = evsel->core.nr_members; - err = symbol__annotate(sym, map, evsel, 0, options, parch); + err = symbol__annotate(ms, evsel, options, parch); if (err) goto out_free_offsets; @@ -2752,6 +3099,7 @@ notes->nr_events = nr_pcnt; annotation__update_column_widths(notes); + sym->annotate2 = true; return 0; @@ -2760,69 +3108,48 @@ return err; } -#define ANNOTATION__CFG(n) \ - { .name = #n, .value = &annotation__default_options.n, } - -/* - * Keep the entries sorted, they are bsearch'ed - */ -static struct annotation_config { - const char *name; - void *value; -} annotation__configs[] = { - ANNOTATION__CFG(hide_src_code), - ANNOTATION__CFG(jump_arrows), - ANNOTATION__CFG(offset_level), - ANNOTATION__CFG(show_linenr), - ANNOTATION__CFG(show_nr_jumps), - ANNOTATION__CFG(show_nr_samples), - ANNOTATION__CFG(show_total_period), - ANNOTATION__CFG(use_offset), -}; - -#undef ANNOTATION__CFG - -static int annotation_config__cmp(const void *name, const void *cfgp) +static int annotation__config(const char *var, const char *value, void *data) { - const struct annotation_config *cfg = cfgp; - - return strcmp(name, cfg->name); -} - -static int annotation__config(const char *var, const char *value, - void *data __maybe_unused) -{ - struct annotation_config *cfg; - const char *name; + struct annotation_options *opt = data; if (!strstarts(var, "annotate.")) return 0; - name = var + 9; - cfg = bsearch(name, annotation__configs, ARRAY_SIZE(annotation__configs), - sizeof(struct annotation_config), annotation_config__cmp); + if (!strcmp(var, "annotate.offset_level")) { + perf_config_u8(&opt->offset_level, "offset_level", value); - if (cfg == NULL) - pr_debug("%s variable unknown, ignoring...", var); - else if (strcmp(var, "annotate.offset_level") == 0) { - perf_config_int(cfg->value, name, value); - - if (*(int *)cfg->value > ANNOTATION__MAX_OFFSET_LEVEL) - *(int *)cfg->value = ANNOTATION__MAX_OFFSET_LEVEL; - else if (*(int *)cfg->value < ANNOTATION__MIN_OFFSET_LEVEL) - *(int *)cfg->value = ANNOTATION__MIN_OFFSET_LEVEL; + if (opt->offset_level > ANNOTATION__MAX_OFFSET_LEVEL) + opt->offset_level = ANNOTATION__MAX_OFFSET_LEVEL; + else if (opt->offset_level < ANNOTATION__MIN_OFFSET_LEVEL) + opt->offset_level = ANNOTATION__MIN_OFFSET_LEVEL; + } else if (!strcmp(var, "annotate.hide_src_code")) { + opt->hide_src_code = perf_config_bool("hide_src_code", value); + } else if (!strcmp(var, "annotate.jump_arrows")) { + opt->jump_arrows = perf_config_bool("jump_arrows", value); + } else if (!strcmp(var, "annotate.show_linenr")) { + opt->show_linenr = perf_config_bool("show_linenr", value); + } else if (!strcmp(var, "annotate.show_nr_jumps")) { + opt->show_nr_jumps = perf_config_bool("show_nr_jumps", value); + } else if (!strcmp(var, "annotate.show_nr_samples")) { + symbol_conf.show_nr_samples = perf_config_bool("show_nr_samples", + value); + } else if (!strcmp(var, "annotate.show_total_period")) { + symbol_conf.show_total_period = perf_config_bool("show_total_period", + value); + } else if (!strcmp(var, "annotate.use_offset")) { + opt->use_offset = perf_config_bool("use_offset", value); + } else if (!strcmp(var, "annotate.disassembler_style")) { + opt->disassembler_style = value; } else { - *(bool *)cfg->value = perf_config_bool(name, value); + pr_debug("%s variable unknown, ignoring...", var); } + return 0; } -void annotation_config__init(void) +void annotation_config__init(struct annotation_options *opt) { - perf_config(annotation__config, NULL); - - annotation__default_options.show_total_period = symbol_conf.show_total_period; - annotation__default_options.show_nr_samples = symbol_conf.show_nr_samples; + perf_config(annotation__config, opt); } static unsigned int parse_percent_type(char *str1, char *str2) @@ -2876,3 +3203,12 @@ free(str1); return err; } + +int annotate_check_args(struct annotation_options *args) +{ + if (args->prefix_strip && !args->prefix) { + pr_err("--prefix-strip requires --prefix\n"); + return -1; + } + return 0; +} -- Gitblit v1.6.2