diff options
Diffstat (limited to 'tools/perf/util')
55 files changed, 2436 insertions, 766 deletions
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index d102716c43a..bfc5a27597d 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -110,10 +110,10 @@ static int jump__parse(struct ins_operands *ops) { const char *s = strchr(ops->raw, '+'); - ops->target.addr = strtoll(ops->raw, NULL, 16); + ops->target.addr = strtoull(ops->raw, NULL, 16); if (s++ != NULL) - ops->target.offset = strtoll(s, NULL, 16); + ops->target.offset = strtoull(s, NULL, 16); else ops->target.offset = UINT64_MAX; @@ -821,11 +821,55 @@ static int symbol__parse_objdump_line(struct symbol *sym, struct map *map, if (dl == NULL) return -1; + if (dl->ops.target.offset == UINT64_MAX) + dl->ops.target.offset = dl->ops.target.addr - + map__rip_2objdump(map, sym->start); + + /* + * kcore has no symbols, so add the call target name if it is on the + * same map. + */ + if (dl->ins && ins__is_call(dl->ins) && !dl->ops.target.name) { + struct symbol *s; + u64 ip = dl->ops.target.addr; + + if (ip >= map->start && ip <= map->end) { + ip = map->map_ip(map, ip); + s = map__find_symbol(map, ip, NULL); + if (s && s->start == ip) + dl->ops.target.name = strdup(s->name); + } + } + disasm__add(¬es->src->source, dl); return 0; } +static void delete_last_nop(struct symbol *sym) +{ + struct annotation *notes = symbol__annotation(sym); + struct list_head *list = ¬es->src->source; + struct disasm_line *dl; + + while (!list_empty(list)) { + dl = list_entry(list->prev, struct disasm_line, node); + + if (dl->ins && dl->ins->ops) { + if (dl->ins->ops != &nop_ops) + return; + } else { + if (!strstr(dl->line, " nop ") && + !strstr(dl->line, " nopl ") && + !strstr(dl->line, " nopw ")) + return; + } + + list_del(&dl->node); + disasm_line__free(dl); + } +} + int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize) { struct dso *dso = map->dso; @@ -864,7 +908,8 @@ fallback: free_filename = false; } - if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS) { + if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS && + !dso__is_kcore(dso)) { char bf[BUILD_ID_SIZE * 2 + 16] = " with build id "; char *build_id_msg = NULL; @@ -898,7 +943,7 @@ fallback: snprintf(command, sizeof(command), "%s %s%s --start-address=0x%016" PRIx64 " --stop-address=0x%016" PRIx64 - " -d %s %s -C %s|grep -v %s|expand", + " -d %s %s -C %s 2>/dev/null|grep -v %s|expand", objdump_path ? objdump_path : "objdump", disassembler_style ? "-M " : "", disassembler_style ? disassembler_style : "", @@ -918,6 +963,13 @@ fallback: if (symbol__parse_objdump_line(sym, map, file, privsize) < 0) break; + /* + * kallsyms does not have symbol sizes so there may a nop at the end. + * Remove it. + */ + if (dso__is_kcore(dso)) + delete_last_nop(sym); + pclose(file); out_free_filename: if (free_filename) diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c index 5295625c0c0..fb584092eb8 100644 --- a/tools/perf/util/build-id.c +++ b/tools/perf/util/build-id.c @@ -18,13 +18,14 @@ int build_id__mark_dso_hit(struct perf_tool *tool __maybe_unused, union perf_event *event, - struct perf_sample *sample __maybe_unused, + struct perf_sample *sample, struct perf_evsel *evsel __maybe_unused, struct machine *machine) { struct addr_location al; u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; - struct thread *thread = machine__findnew_thread(machine, event->ip.pid); + struct thread *thread = machine__findnew_thread(machine, sample->pid, + sample->pid); if (thread == NULL) { pr_err("problem processing %d event, skipping it.\n", @@ -33,7 +34,7 @@ int build_id__mark_dso_hit(struct perf_tool *tool __maybe_unused, } thread__find_addr_map(thread, machine, cpumode, MAP__FUNCTION, - event->ip.ip, &al); + sample->ip, &al); if (al.map != NULL) al.map->dso->hit = 1; @@ -47,7 +48,9 @@ static int perf_event__exit_del_thread(struct perf_tool *tool __maybe_unused, __maybe_unused, struct machine *machine) { - struct thread *thread = machine__findnew_thread(machine, event->fork.tid); + struct thread *thread = machine__findnew_thread(machine, + event->fork.pid, + event->fork.tid); dump_printf("(%d:%d):(%d:%d)\n", event->fork.pid, event->fork.tid, event->fork.ppid, event->fork.ptid); diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c index 42b6a632fe7..482f68081cd 100644 --- a/tools/perf/util/callchain.c +++ b/tools/perf/util/callchain.c @@ -15,19 +15,12 @@ #include <errno.h> #include <math.h> +#include "hist.h" #include "util.h" #include "callchain.h" __thread struct callchain_cursor callchain_cursor; -bool ip_callchain__valid(struct ip_callchain *chain, - const union perf_event *event) -{ - unsigned int chain_size = event->header.size; - chain_size -= (unsigned long)&event->ip.__more_data - (unsigned long)event; - return chain->nr * sizeof(u64) <= chain_size; -} - #define chain_for_each_child(child, parent) \ list_for_each_entry(child, &parent->children, siblings) @@ -327,7 +320,8 @@ append_chain(struct callchain_node *root, /* * Lookup in the current node * If we have a symbol, then compare the start to match - * anywhere inside a function. + * anywhere inside a function, unless function + * mode is disabled. */ list_for_each_entry(cnode, &root->val, list) { struct callchain_cursor_node *node; @@ -339,7 +333,8 @@ append_chain(struct callchain_node *root, sym = node->sym; - if (cnode->ms.sym && sym) { + if (cnode->ms.sym && sym && + callchain_param.key == CCKEY_FUNCTION) { if (cnode->ms.sym->start != sym->start) break; } else if (cnode->ip != node->ip) diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h index 3ee9f67d5af..2b585bc308c 100644 --- a/tools/perf/util/callchain.h +++ b/tools/perf/util/callchain.h @@ -41,12 +41,18 @@ struct callchain_param; typedef void (*sort_chain_func_t)(struct rb_root *, struct callchain_root *, u64, struct callchain_param *); +enum chain_key { + CCKEY_FUNCTION, + CCKEY_ADDRESS +}; + struct callchain_param { enum chain_mode mode; u32 print_limit; double min_percent; sort_chain_func_t sort; enum chain_order order; + enum chain_key key; }; struct callchain_list { @@ -103,11 +109,6 @@ int callchain_append(struct callchain_root *root, int callchain_merge(struct callchain_cursor *cursor, struct callchain_root *dst, struct callchain_root *src); -struct ip_callchain; -union perf_event; - -bool ip_callchain__valid(struct ip_callchain *chain, - const union perf_event *event); /* * Initialize a cursor before adding entries inside, but keep * the previously allocated entries as a cache. diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h index 9bed02e5fb3..b123bb9d6f5 100644 --- a/tools/perf/util/cpumap.h +++ b/tools/perf/util/cpumap.h @@ -41,7 +41,7 @@ static inline int cpu_map__nr(const struct cpu_map *map) return map ? map->nr : 1; } -static inline bool cpu_map__all(const struct cpu_map *map) +static inline bool cpu_map__empty(const struct cpu_map *map) { return map ? map->map[0] == -1 : true; } diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c index c4374f07603..e3c1ff8512c 100644 --- a/tools/perf/util/dso.c +++ b/tools/perf/util/dso.c @@ -78,6 +78,8 @@ int dso__binary_type_file(struct dso *dso, enum dso_binary_type type, symbol_conf.symfs, build_id_hex, build_id_hex + 2); break; + case DSO_BINARY_TYPE__VMLINUX: + case DSO_BINARY_TYPE__GUEST_VMLINUX: case DSO_BINARY_TYPE__SYSTEM_PATH_DSO: snprintf(file, size, "%s%s", symbol_conf.symfs, dso->long_name); @@ -93,11 +95,14 @@ int dso__binary_type_file(struct dso *dso, enum dso_binary_type type, dso->long_name); break; + case DSO_BINARY_TYPE__KCORE: + case DSO_BINARY_TYPE__GUEST_KCORE: + snprintf(file, size, "%s", dso->long_name); + break; + default: case DSO_BINARY_TYPE__KALLSYMS: - case DSO_BINARY_TYPE__VMLINUX: case DSO_BINARY_TYPE__GUEST_KALLSYMS: - case DSO_BINARY_TYPE__GUEST_VMLINUX: case DSO_BINARY_TYPE__JAVA_JIT: case DSO_BINARY_TYPE__NOT_FOUND: ret = -1; @@ -419,6 +424,7 @@ struct dso *dso__new(const char *name) dso->symtab_type = DSO_BINARY_TYPE__NOT_FOUND; dso->data_type = DSO_BINARY_TYPE__NOT_FOUND; dso->loaded = 0; + dso->rel = 0; dso->sorted_by_name = 0; dso->has_build_id = 0; dso->kernel = DSO_TYPE_USER; diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h index d51aaf272c6..b793053335d 100644 --- a/tools/perf/util/dso.h +++ b/tools/perf/util/dso.h @@ -3,6 +3,7 @@ #include <linux/types.h> #include <linux/rbtree.h> +#include <stdbool.h> #include "types.h" #include "map.h" @@ -20,6 +21,8 @@ enum dso_binary_type { DSO_BINARY_TYPE__SYSTEM_PATH_DSO, DSO_BINARY_TYPE__GUEST_KMODULE, DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE, + DSO_BINARY_TYPE__KCORE, + DSO_BINARY_TYPE__GUEST_KCORE, DSO_BINARY_TYPE__NOT_FOUND, }; @@ -84,6 +87,7 @@ struct dso { u8 lname_alloc:1; u8 sorted_by_name; u8 loaded; + u8 rel; u8 build_id[BUILD_ID_SIZE]; const char *short_name; char *long_name; @@ -146,4 +150,17 @@ size_t dso__fprintf_buildid(struct dso *dso, FILE *fp); size_t dso__fprintf_symbols_by_name(struct dso *dso, enum map_type type, FILE *fp); size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp); + +static inline bool dso__is_vmlinux(struct dso *dso) +{ + return dso->data_type == DSO_BINARY_TYPE__VMLINUX || + dso->data_type == DSO_BINARY_TYPE__GUEST_VMLINUX; +} + +static inline bool dso__is_kcore(struct dso *dso) +{ + return dso->data_type == DSO_BINARY_TYPE__KCORE || + dso->data_type == DSO_BINARY_TYPE__GUEST_KCORE; +} + #endif /* __PERF_DSO */ diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 5cd13d768ce..8d51f21107a 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -595,6 +595,7 @@ void thread__find_addr_map(struct thread *self, struct addr_location *al) { struct map_groups *mg = &self->mg; + bool load_map = false; al->thread = self; al->addr = addr; @@ -609,11 +610,13 @@ void thread__find_addr_map(struct thread *self, if (cpumode == PERF_RECORD_MISC_KERNEL && perf_host) { al->level = 'k'; mg = &machine->kmaps; + load_map = true; } else if (cpumode == PERF_RECORD_MISC_USER && perf_host) { al->level = '.'; } else if (cpumode == PERF_RECORD_MISC_GUEST_KERNEL && perf_guest) { al->level = 'g'; mg = &machine->kmaps; + load_map = true; } else { /* * 'u' means guest os user space. @@ -654,18 +657,25 @@ try_again: mg = &machine->kmaps; goto try_again; } - } else + } else { + /* + * Kernel maps might be changed when loading symbols so loading + * must be done prior to using kernel maps. + */ + if (load_map) + map__load(al->map, machine->symbol_filter); al->addr = al->map->map_ip(al->map, al->addr); + } } void thread__find_addr_location(struct thread *thread, struct machine *machine, u8 cpumode, enum map_type type, u64 addr, - struct addr_location *al, - symbol_filter_t filter) + struct addr_location *al) { thread__find_addr_map(thread, machine, cpumode, type, addr, al); if (al->map != NULL) - al->sym = map__find_symbol(al->map, al->addr, filter); + al->sym = map__find_symbol(al->map, al->addr, + machine->symbol_filter); else al->sym = NULL; } @@ -673,11 +683,11 @@ void thread__find_addr_location(struct thread *thread, struct machine *machine, int perf_event__preprocess_sample(const union perf_event *event, struct machine *machine, struct addr_location *al, - struct perf_sample *sample, - symbol_filter_t filter) + struct perf_sample *sample) { u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; - struct thread *thread = machine__findnew_thread(machine, event->ip.pid); + struct thread *thread = machine__findnew_thread(machine, sample->pid, + sample->pid); if (thread == NULL) return -1; @@ -686,7 +696,7 @@ int perf_event__preprocess_sample(const union perf_event *event, !strlist__has_entry(symbol_conf.comm_list, thread->comm)) goto out_filtered; - dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid); + dump_printf(" ... thread: %s:%d\n", thread->comm, thread->tid); /* * Have we already created the kernel maps for this machine? * @@ -699,7 +709,7 @@ int perf_event__preprocess_sample(const union perf_event *event, machine__create_kernel_maps(machine); thread__find_addr_map(thread, machine, cpumode, MAP__FUNCTION, - event->ip.ip, al); + sample->ip, al); dump_printf(" ...... dso: %s\n", al->map ? al->map->dso->long_name : al->level == 'H' ? "[hypervisor]" : "<not found>"); @@ -717,7 +727,8 @@ int perf_event__preprocess_sample(const union perf_event *event, dso->long_name))))) goto out_filtered; - al->sym = map__find_symbol(al->map, al->addr, filter); + al->sym = map__find_symbol(al->map, al->addr, + machine->symbol_filter); } if (symbol_conf.sym_list && diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index 181389535c0..93130d856bf 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -8,16 +8,6 @@ #include "map.h" #include "build-id.h" -/* - * PERF_SAMPLE_IP | PERF_SAMPLE_TID | * - */ -struct ip_event { - struct perf_event_header header; - u64 ip; - u32 pid, tid; - unsigned char __more_data[]; -}; - struct mmap_event { struct perf_event_header header; u32 pid, tid; @@ -63,7 +53,8 @@ struct read_event { (PERF_SAMPLE_IP | PERF_SAMPLE_TID | \ PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR | \ PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID | \ - PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD) + PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD | \ + PERF_SAMPLE_IDENTIFIER) struct sample_event { struct perf_event_header header; @@ -71,6 +62,7 @@ struct sample_event { }; struct regs_dump { + u64 abi; u64 *regs; }; @@ -80,6 +72,23 @@ struct stack_dump { char *data; }; +struct sample_read_value { + u64 value; + u64 id; +}; + +struct sample_read { + u64 time_enabled; + u64 time_running; + union { + struct { + u64 nr; + struct sample_read_value *values; + } group; + struct sample_read_value one; + }; +}; + struct perf_sample { u64 ip; u32 pid, tid; @@ -97,6 +106,7 @@ struct perf_sample { struct branch_stack *branch_stack; struct regs_dump user_regs; struct stack_dump user_stack; + struct sample_read read; }; #define PERF_MEM_DATA_SRC_NONE \ @@ -116,7 +126,7 @@ struct build_id_event { enum perf_user_event_type { /* above any possible kernel type */ PERF_RECORD_USER_TYPE_START = 64, PERF_RECORD_HEADER_ATTR = 64, - PERF_RECORD_HEADER_EVENT_TYPE = 65, + PERF_RECORD_HEADER_EVENT_TYPE = 65, /* depreceated */ PERF_RECORD_HEADER_TRACING_DATA = 66, PERF_RECORD_HEADER_BUILD_ID = 67, PERF_RECORD_FINISHED_ROUND = 68, @@ -148,7 +158,6 @@ struct tracing_data_event { union perf_event { struct perf_event_header header; - struct ip_event ip; struct mmap_event mmap; struct comm_event comm; struct fork_event fork; @@ -216,12 +225,14 @@ struct addr_location; int perf_event__preprocess_sample(const union perf_event *self, struct machine *machine, struct addr_location *al, - struct perf_sample *sample, - symbol_filter_t filter); + struct perf_sample *sample); const char *perf_event__name(unsigned int id); +size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type, + u64 sample_regs_user, u64 read_format); int perf_event__synthesize_sample(union perf_event *event, u64 type, + u64 sample_regs_user, u64 read_format, const struct perf_sample *sample, bool swapped); diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 8065ce8fa9a..b8727ae45e3 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -14,6 +14,7 @@ #include "target.h" #include "evlist.h" #include "evsel.h" +#include "debug.h" #include <unistd.h> #include "parse-events.h" @@ -48,26 +49,19 @@ struct perf_evlist *perf_evlist__new(void) return evlist; } -void perf_evlist__config(struct perf_evlist *evlist, - struct perf_record_opts *opts) +/** + * perf_evlist__set_id_pos - set the positions of event ids. + * @evlist: selected event list + * + * Events with compatible sample types all have the same id_pos + * and is_pos. For convenience, put a copy on evlist. + */ +void perf_evlist__set_id_pos(struct perf_evlist *evlist) { - struct perf_evsel *evsel; - /* - * Set the evsel leader links before we configure attributes, - * since some might depend on this info. - */ - if (opts->group) - perf_evlist__set_leader(evlist); - - if (evlist->cpus->map[0] < 0) - opts->no_inherit = true; - - list_for_each_entry(evsel, &evlist->entries, node) { - perf_evsel__config(evsel, opts); + struct perf_evsel *first = perf_evlist__first(evlist); - if (evlist->nr_entries > 1) - perf_evsel__set_sample_id(evsel); - } + evlist->id_pos = first->id_pos; + evlist->is_pos = first->is_pos; } static void perf_evlist__purge(struct perf_evlist *evlist) @@ -100,15 +94,20 @@ void perf_evlist__delete(struct perf_evlist *evlist) void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry) { list_add_tail(&entry->node, &evlist->entries); - ++evlist->nr_entries; + if (!evlist->nr_entries++) + perf_evlist__set_id_pos(evlist); } void perf_evlist__splice_list_tail(struct perf_evlist *evlist, struct list_head *list, int nr_entries) { + bool set_id_pos = !evlist->nr_entries; + list_splice_tail(list, &evlist->entries); evlist->nr_entries += nr_entries; + if (set_id_pos) + perf_evlist__set_id_pos(evlist); } void __perf_evlist__set_leader(struct list_head *list) @@ -209,6 +208,21 @@ perf_evlist__find_tracepoint_by_id(struct perf_evlist *evlist, int id) return NULL; } +struct perf_evsel * +perf_evlist__find_tracepoint_by_name(struct perf_evlist *evlist, + const char *name) +{ + struct perf_evsel *evsel; + + list_for_each_entry(evsel, &evlist->entries, node) { + if ((evsel->attr.type == PERF_TYPE_TRACEPOINT) && + (strcmp(evsel->name, name) == 0)) + return evsel; + } + + return NULL; +} + int perf_evlist__add_newtp(struct perf_evlist *evlist, const char *sys, const char *name, void *handler) { @@ -232,7 +246,7 @@ void perf_evlist__disable(struct perf_evlist *evlist) for (cpu = 0; cpu < nr_cpus; cpu++) { list_for_each_entry(pos, &evlist->entries, node) { - if (!perf_evsel__is_group_leader(pos)) + if (!perf_evsel__is_group_leader(pos) || !pos->fd) continue; for (thread = 0; thread < nr_threads; thread++) ioctl(FD(pos, cpu, thread), @@ -250,7 +264,7 @@ void perf_evlist__enable(struct perf_evlist *evlist) |