perf thread: Make thread__find_map() return the map
It was returning the searched map just on the addr_location passed, with the function itself returning void. Make it return the map so that we can make the code more compact. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-tzlrrzdeoof4i6ktyqv1t6ks@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -440,9 +440,7 @@ static int perf_event__inject_buildid(struct perf_tool *tool,
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goto repipe;
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}
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thread__find_map(thread, sample->cpumode, sample->ip, &al);
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if (al.map != NULL) {
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if (thread__find_map(thread, sample->cpumode, sample->ip, &al)) {
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if (!al.map->dso->hit) {
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al.map->dso->hit = 1;
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if (map__load(al.map) >= 0) {
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@ -809,12 +809,12 @@ static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
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from = br->entries[i].from;
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to = br->entries[i].to;
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thread__find_map(thread, sample->cpumode, from, &alf);
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if (alf.map && !alf.map->dso->adjust_symbols)
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if (thread__find_map(thread, sample->cpumode, from, &alf) &&
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!alf.map->dso->adjust_symbols)
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from = map__map_ip(alf.map, from);
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thread__find_map(thread, sample->cpumode, to, &alt);
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if (alt.map && !alt.map->dso->adjust_symbols)
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if (thread__find_map(thread, sample->cpumode, to, &alt) &&
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!alt.map->dso->adjust_symbols)
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to = map__map_ip(alt.map, to);
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printed += fprintf(fp, " 0x%"PRIx64, from);
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@ -877,8 +877,7 @@ static int grab_bb(u8 *buffer, u64 start, u64 end,
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return 0;
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}
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thread__find_map(thread, *cpumode, start, &al);
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if (!al.map || !al.map->dso) {
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if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
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pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
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return 0;
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}
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@ -928,8 +927,7 @@ static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
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memset(&al, 0, sizeof(al));
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thread__find_map(thread, cpumode, addr, &al);
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if (!al.map)
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if (!thread__find_map(thread, cpumode, addr, &al))
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__thread__find_map(thread, cpumode, MAP__VARIABLE, addr, &al);
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if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
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return 0;
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@ -236,8 +236,7 @@ static int read_object_code(u64 addr, size_t len, u8 cpumode,
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pr_debug("Reading object code for memory address: %#"PRIx64"\n", addr);
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thread__find_map(thread, cpumode, addr, &al);
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if (!al.map || !al.map->dso) {
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if (!thread__find_map(thread, cpumode, addr, &al) || !al.map->dso) {
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if (cpumode == PERF_RECORD_MISC_HYPERVISOR) {
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pr_debug("Hypervisor address can not be resolved - skipping\n");
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return 0;
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@ -47,9 +47,7 @@ int build_id__mark_dso_hit(struct perf_tool *tool __maybe_unused,
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return -1;
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}
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thread__find_map(thread, sample->cpumode, sample->ip, &al);
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if (al.map != NULL)
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if (thread__find_map(thread, sample->cpumode, sample->ip, &al))
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al.map->dso->hit = 1;
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thread__put(thread);
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@ -269,9 +269,7 @@ static u32 cs_etm__mem_access(struct cs_etm_queue *etmq, u64 address,
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thread = etmq->etm->unknown_thread;
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}
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thread__find_map(thread, cpumode, address, &al);
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if (!al.map || !al.map->dso)
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if (!thread__find_map(thread, cpumode, address, &al) || !al.map->dso)
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return 0;
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if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR &&
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@ -1489,8 +1489,8 @@ int perf_event__process(struct perf_tool *tool __maybe_unused,
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return machine__process_event(machine, event, sample);
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}
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void __thread__find_map(struct thread *thread, u8 cpumode, enum map_type type,
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u64 addr, struct addr_location *al)
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struct map *__thread__find_map(struct thread *thread, u8 cpumode, enum map_type type,
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u64 addr, struct addr_location *al)
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{
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struct map_groups *mg = thread->mg;
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struct machine *machine = mg->machine;
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@ -1504,7 +1504,7 @@ void __thread__find_map(struct thread *thread, u8 cpumode, enum map_type type,
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if (machine == NULL) {
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al->map = NULL;
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return;
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return NULL;
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}
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if (cpumode == PERF_RECORD_MISC_KERNEL && perf_host) {
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@ -1532,7 +1532,7 @@ void __thread__find_map(struct thread *thread, u8 cpumode, enum map_type type,
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!perf_host)
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al->filtered |= (1 << HIST_FILTER__HOST);
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return;
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return NULL;
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}
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try_again:
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al->map = map_groups__find(mg, type, al->addr);
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@ -1562,14 +1562,15 @@ try_again:
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map__load(al->map);
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al->addr = al->map->map_ip(al->map, al->addr);
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}
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return al->map;
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}
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void __thread__find_symbol(struct thread *thread, u8 cpumode,
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enum map_type type, u64 addr,
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struct addr_location *al)
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{
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__thread__find_map(thread, cpumode, type, addr, al);
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if (al->map != NULL)
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if (__thread__find_map(thread, cpumode, type, addr, al))
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al->sym = map__find_symbol(al->map, al->addr);
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else
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al->sym = NULL;
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@ -1668,8 +1669,7 @@ bool sample_addr_correlates_sym(struct perf_event_attr *attr)
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void thread__resolve(struct thread *thread, struct addr_location *al,
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struct perf_sample *sample)
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{
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thread__find_map(thread, sample->cpumode, sample->addr, al);
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if (!al->map) {
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if (!thread__find_map(thread, sample->cpumode, sample->addr, al)) {
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__thread__find_map(thread, sample->cpumode, MAP__VARIABLE,
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sample->addr, al);
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}
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@ -335,8 +335,7 @@ static int intel_bts_get_next_insn(struct intel_bts_queue *btsq, u64 ip)
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if (!thread)
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return -1;
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thread__find_map(thread, cpumode, ip, &al);
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if (!al.map || !al.map->dso)
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if (!thread__find_map(thread, cpumode, ip, &al) || !al.map->dso)
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goto out_put;
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len = dso__data_read_addr(al.map->dso, al.map, machine, ip, buf,
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@ -442,8 +442,7 @@ static int intel_pt_walk_next_insn(struct intel_pt_insn *intel_pt_insn,
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}
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while (1) {
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thread__find_map(thread, cpumode, *ip, &al);
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if (!al.map || !al.map->dso)
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if (!thread__find_map(thread, cpumode, *ip, &al) || !al.map->dso)
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return -EINVAL;
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if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR &&
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@ -596,8 +595,7 @@ static int __intel_pt_pgd_ip(uint64_t ip, void *data)
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if (!thread)
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return -EINVAL;
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thread__find_map(thread, cpumode, ip, &al);
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if (!al.map || !al.map->dso)
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if (!thread__find_map(thread, cpumode, ip, &al) || !al.map->dso)
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return -EINVAL;
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offset = al.map->map_ip(al.map, ip);
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@ -92,13 +92,13 @@ size_t thread__fprintf(struct thread *thread, FILE *fp);
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struct thread *thread__main_thread(struct machine *machine, struct thread *thread);
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void __thread__find_map(struct thread *thread, u8 cpumode, enum map_type type,
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u64 addr, struct addr_location *al);
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struct map *__thread__find_map(struct thread *thread, u8 cpumode, enum map_type type,
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u64 addr, struct addr_location *al);
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static inline void thread__find_map(struct thread *thread, u8 cpumode,
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u64 addr, struct addr_location *al)
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static inline struct map *thread__find_map(struct thread *thread, u8 cpumode,
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u64 addr, struct addr_location *al)
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{
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__thread__find_map(thread, cpumode, MAP__FUNCTION, addr, al);
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return __thread__find_map(thread, cpumode, MAP__FUNCTION, addr, al);
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}
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void __thread__find_symbol(struct thread *thread, u8 cpumode, enum map_type type,
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@ -104,8 +104,7 @@ static int access_dso_mem(struct unwind_info *ui, Dwarf_Addr addr,
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struct addr_location al;
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ssize_t size;
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thread__find_map(ui->thread, PERF_RECORD_MISC_USER, addr, &al);
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if (!al.map) {
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if (!thread__find_map(ui->thread, PERF_RECORD_MISC_USER, addr, &al)) {
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/*
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* We've seen cases (softice) where DWARF unwinder went
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* through non executable mmaps, which we need to lookup
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@ -367,8 +367,7 @@ static struct map *find_map(unw_word_t ip, struct unwind_info *ui)
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{
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struct addr_location al;
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thread__find_map(ui->thread, PERF_RECORD_MISC_USER, ip, &al);
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if (!al.map) {
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if (!thread__find_map(ui->thread, PERF_RECORD_MISC_USER, ip, &al)) {
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/*
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* We've seen cases (softice) where DWARF unwinder went
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* through non executable mmaps, which we need to lookup
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