diff options
Diffstat (limited to 'tools/perf')
35 files changed, 368 insertions, 166 deletions
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 425a7e2fd6fb..aeeb801f1ed7 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -184,7 +184,7 @@ out: static int process_branch_callback(struct evsel *evsel, struct perf_sample *sample, - struct addr_location *al __maybe_unused, + struct addr_location *al, struct perf_annotate *ann, struct machine *machine) { @@ -195,21 +195,29 @@ static int process_branch_callback(struct evsel *evsel, .hide_unresolved = symbol_conf.hide_unresolved, .ops = &hist_iter_branch, }; - struct addr_location a; + int ret; - if (machine__resolve(machine, &a, sample) < 0) - return -1; + addr_location__init(&a); + if (machine__resolve(machine, &a, sample) < 0) { + ret = -1; + goto out; + } - if (a.sym == NULL) - return 0; + if (a.sym == NULL) { + ret = 0; + goto out; + } if (a.map != NULL) map__dso(a.map)->hit = 1; hist__account_cycles(sample->branch_stack, al, sample, false, NULL); - return hist_entry_iter__add(&iter, &a, PERF_MAX_STACK_DEPTH, ann); + ret = hist_entry_iter__add(&iter, &a, PERF_MAX_STACK_DEPTH, ann); +out: + addr_location__exit(&a); + return ret; } static bool has_annotation(struct perf_annotate *ann) @@ -272,10 +280,12 @@ static int process_sample_event(struct perf_tool *tool, struct addr_location al; int ret = 0; + addr_location__init(&al); if (machine__resolve(machine, &al, sample) < 0) { pr_warning("problem processing %d event, skipping it.\n", event->header.type); - return -1; + ret = -1; + goto out_put; } if (ann->cpu_list && !test_bit(sample->cpu, ann->cpu_bitmap)) @@ -288,7 +298,7 @@ static int process_sample_event(struct perf_tool *tool, ret = -1; } out_put: - addr_location__put(&al); + addr_location__exit(&al); return ret; } diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c index ee41a96f0c73..530a44a59f41 100644 --- a/tools/perf/builtin-c2c.c +++ b/tools/perf/builtin-c2c.c @@ -286,10 +286,12 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused, struct mem_info *mi, *mi_dup; int ret; + addr_location__init(&al); if (machine__resolve(machine, &al, sample) < 0) { pr_debug("problem processing %d event, skipping it.\n", event->header.type); - return -1; + ret = -1; + goto out; } if (c2c.stitch_lbr) @@ -301,8 +303,10 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused, goto out; mi = sample__resolve_mem(sample, &al); - if (mi == NULL) - return -ENOMEM; + if (mi == NULL) { + ret = -ENOMEM; + goto out; + } /* * The mi object is released in hists__add_entry_ops, @@ -368,7 +372,7 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused, } out: - addr_location__put(&al); + addr_location__exit(&al); return ret; free_mi: diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index dbb0562d6a4f..ca39657ee407 100644 --- a/tools/perf/builtin-diff.c +++ b/tools/perf/builtin-diff.c @@ -409,15 +409,17 @@ static int diff__process_sample_event(struct perf_tool *tool, return 0; } + addr_location__init(&al); if (machine__resolve(machine, &al, sample) < 0) { pr_warning("problem processing %d event, skipping it.\n", event->header.type); - return -1; + ret = -1; + goto out; } if (cpu_list && !test_bit(sample->cpu, cpu_bitmap)) { ret = 0; - goto out_put; + goto out; } switch (compute) { @@ -426,7 +428,7 @@ static int diff__process_sample_event(struct perf_tool *tool, NULL, NULL, NULL, sample, true)) { pr_warning("problem incrementing symbol period, " "skipping event\n"); - goto out_put; + goto out; } hist__account_cycles(sample->branch_stack, &al, sample, false, @@ -437,7 +439,7 @@ static int diff__process_sample_event(struct perf_tool *tool, if (hist_entry_iter__add(&iter, &al, PERF_MAX_STACK_DEPTH, NULL)) { pr_debug("problem adding hist entry, skipping event\n"); - goto out_put; + goto out; } break; @@ -446,7 +448,7 @@ static int diff__process_sample_event(struct perf_tool *tool, true)) { pr_warning("problem incrementing symbol period, " "skipping event\n"); - goto out_put; + goto out; } } @@ -460,8 +462,8 @@ static int diff__process_sample_event(struct perf_tool *tool, if (!al.filtered) hists->stats.total_non_filtered_period += sample->period; ret = 0; -out_put: - addr_location__put(&al); +out: + addr_location__exit(&al); return ret; } diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c index d9e96d4624c6..d19a1b862306 100644 --- a/tools/perf/builtin-inject.c +++ b/tools/perf/builtin-inject.c @@ -743,6 +743,7 @@ int perf_event__inject_buildid(struct perf_tool *tool, union perf_event *event, struct addr_location al; struct thread *thread; + addr_location__init(&al); thread = machine__findnew_thread(machine, sample->pid, sample->tid); if (thread == NULL) { pr_err("problem processing %d event, skipping it.\n", @@ -763,6 +764,7 @@ int perf_event__inject_buildid(struct perf_tool *tool, union perf_event *event, thread__put(thread); repipe: perf_event__repipe(tool, event, sample, machine); + addr_location__exit(&al); return 0; } diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c index fe9439a4fd66..96a6611e4e53 100644 --- a/tools/perf/builtin-kmem.c +++ b/tools/perf/builtin-kmem.c @@ -399,7 +399,9 @@ static u64 find_callsite(struct evsel *evsel, struct perf_sample *sample) struct addr_location al; struct machine *machine = &kmem_session->machines.host; struct callchain_cursor_node *node; + u64 result = sample->ip; + addr_location__init(&al); if (alloc_func_list == NULL) { if (build_alloc_func_list() < 0) goto out; @@ -427,16 +429,18 @@ static u64 find_callsite(struct evsel *evsel, struct perf_sample *sample) else addr = node->ip; - return addr; + result = addr; + goto out; } else pr_debug3("skipping alloc function: %s\n", caller->name); callchain_cursor_advance(&callchain_cursor); } -out: pr_debug2("unknown callsite: %"PRIx64 "\n", sample->ip); - return sample->ip; +out: + addr_location__exit(&al); + return result; } struct sort_dimension { diff --git a/tools/perf/builtin-kwork.c b/tools/perf/builtin-kwork.c index a9395c52b23b..2d80aef4eccc 100644 --- a/tools/perf/builtin-kwork.c +++ b/tools/perf/builtin-kwork.c @@ -739,17 +739,22 @@ static int timehist_exit_event(struct perf_kwork *kwork, struct kwork_atom *atom = NULL; struct kwork_work *work = NULL; struct addr_location al; + int ret = 0; + addr_location__init(&al); if (machine__resolve(machine, &al, sample) < 0) { pr_debug("Problem processing event, skipping it\n"); - return -1; + ret = -1; + goto out; } atom = work_pop_atom(kwork, class, KWORK_TRACE_EXIT, KWORK_TRACE_ENTRY, evsel, sample, machine, &work); - if (work == NULL) - return -1; + if (work == NULL) { + ret = -1; + goto out; + } if (atom != NULL) { work->nr_atoms++; @@ -757,7 +762,9 @@ static int timehist_exit_event(struct perf_kwork *kwork, atom_del(atom); } - return 0; +out: + addr_location__exit(&al); + return ret; } static struct kwork_class kwork_irq; diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c index 960bfd4b732a..51499c20da01 100644 --- a/tools/perf/builtin-mem.c +++ b/tools/perf/builtin-mem.c @@ -199,9 +199,11 @@ dump_raw_samples(struct perf_tool *tool, char str[PAGE_SIZE_NAME_LEN]; struct dso *dso = NULL; + addr_location__init(&al); if (machine__resolve(machine, &al, sample) < 0) { fprintf(stderr, "problem processing %d event, skipping it.\n", event->header.type); + addr_location__exit(&al); return -1; } @@ -256,7 +258,7 @@ dump_raw_samples(struct perf_tool *tool, dso ? dso->long_name : "???", al.sym ? al.sym->name : "???"); out_put: - addr_location__put(&al); + addr_location__exit(&al); return 0; } diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 8ea6ab18534a..0b091a8983a5 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -285,10 +285,12 @@ static int process_sample_event(struct perf_tool *tool, if (evswitch__discard(&rep->evswitch, evsel)) return 0; + addr_location__init(&al); if (machine__resolve(machine, &al, sample) < 0) { pr_debug("problem processing %d event, skipping it.\n", event->header.type); - return -1; + ret = -1; + goto out_put; } if (rep->stitch_lbr) @@ -331,7 +333,7 @@ static int process_sample_event(struct perf_tool *tool, if (ret < 0) pr_debug("problem adding hist entry, skipping event\n"); out_put: - addr_location__put(&al); + addr_location__exit(&al); return ret; } diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index fd37468c4f62..c75ad82a6729 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -2584,6 +2584,7 @@ static int timehist_sched_change_event(struct perf_tool *tool, int rc = 0; int state = evsel__intval(evsel, sample, "prev_state"); + addr_location__init(&al); if (machine__resolve(machine, &al, sample) < 0) { pr_err("problem processing %d event. skipping it\n", event->header.type); @@ -2692,6 +2693,7 @@ out: evsel__save_time(evsel, sample->time, sample->cpu); + addr_location__exit(&al); return rc; } diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index e756290de2ac..784d478c2e05 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -919,7 +919,6 @@ static int perf_sample__fprintf_brstack(struct perf_sample *sample, { struct branch_stack *br = sample->branch_stack; struct branch_entry *entries = perf_sample__branch_entries(sample); - struct addr_location alf, alt; u64 i, from, to; int printed = 0; @@ -930,20 +929,22 @@ static int perf_sample__fprintf_brstack(struct perf_sample *sample, from = entries[i].from; to = entries[i].to; + printed += fprintf(fp, " 0x%"PRIx64, from); if (PRINT_FIELD(DSO)) { - memset(&alf, 0, sizeof(alf)); - memset(&alt, 0, sizeof(alt)); + struct addr_location alf, alt; + + addr_location__init(&alf); + addr_location__init(&alt); thread__find_map_fb(thread, sample->cpumode, from, &alf); thread__find_map_fb(thread, sample->cpumode, to, &alt); - } - printed += fprintf(fp, " 0x%"PRIx64, from); - if (PRINT_FIELD(DSO)) printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp); - - printed += fprintf(fp, "/0x%"PRIx64, to); - if (PRINT_FIELD(DSO)) + printed += fprintf(fp, "/0x%"PRIx64, to); printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp); + addr_location__exit(&alt); + addr_location__exit(&alf); + } else + printed += fprintf(fp, "/0x%"PRIx64, to); printed += print_bstack_flags(fp, entries + i); } @@ -957,7 +958,6 @@ static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, { struct branch_stack *br = sample->branch_stack; struct branch_entry *entries = perf_sample__branch_entries(sample); - struct addr_location alf, alt; u64 i, from, to; int printed = 0; @@ -965,9 +965,10 @@ static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, return 0; for (i = 0; i < br->nr; i++) { + struct addr_location alf, alt; - memset(&alf, 0, sizeof(alf)); - memset(&alt, 0, sizeof(alt)); + addr_location__init(&alf); + addr_location__init(&alt); from = entries[i].from; to = entries[i].to; @@ -982,6 +983,8 @@ static int perf_sample__fprintf_brstacksym(struct perf_sample *sample, if (PRINT_FIELD(DSO)) printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp); printed += print_bstack_flags(fp, entries + i); + addr_location__exit(&alt); + addr_location__exit(&alf); } return printed; @@ -993,7 +996,6 @@ static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, { struct branch_stack *br = sample->branch_stack; struct branch_entry *entries = perf_sample__branch_entries(sample); - struct addr_location alf, alt; u64 i, from, to; int printed = 0; @@ -1001,9 +1003,10 @@ static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, return 0; for (i = 0; i < br->nr; i++) { + struct addr_location alf, alt; - memset(&alf, 0, sizeof(alf)); - memset(&alt, 0, sizeof(alt)); + addr_location__init(&alf); + addr_location__init(&alt); from = entries[i].from; to = entries[i].to; @@ -1022,6 +1025,8 @@ static int perf_sample__fprintf_brstackoff(struct perf_sample *sample, if (PRINT_FIELD(DSO)) printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp); printed += print_bstack_flags(fp, entries + i); + addr_location__exit(&alt); + addr_location__exit(&alf); } return printed; @@ -1036,6 +1041,7 @@ static int grab_bb(u8 *buffer, u64 start, u64 end, struct addr_location al; bool kernel; struct dso *dso; + int ret = 0; if (!start || !end) return 0; @@ -1057,7 +1063,6 @@ static int grab_bb(u8 *buffer, u64 start, u64 end, return -ENXIO; } - memset(&al, 0, sizeof(al)); if (end - start > MAXBB - MAXINSN) { if (last) pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end); @@ -1066,13 +1071,14 @@ static int grab_bb(u8 *buffer, u64 start, u64 end, return 0; } + addr_location__init(&al); if (!thread__find_map(thread, *cpumode, start, &al) || (dso = map__dso(al.map)) == NULL) { pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); - return 0; + goto out; } if (dso->data.status == DSO_DATA_STATUS_ERROR) { pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end); - return 0; + goto out; } /* Load maps to ensure dso->is_64_bit has been updated */ @@ -1086,7 +1092,10 @@ static int grab_bb(u8 *buffer, u64 start, u64 end, if (len <= 0) pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n", start, end); - return len; + ret = len; +out: + addr_location__exit(&al); + return ret; } static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state) @@ -1137,14 +1146,16 @@ static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr) struct addr_location al; int ret = 0; - memset(&al, 0, sizeof(al)); + addr_location__init(&al); thread__find_map(thread, cpumode, addr, &al); if (!al.map) - return 0; + goto out; ret = map__fprintf_srccode(al.map, al.addr, stdout, thread__srccode_state(thread)); if (ret) ret += printf("\n"); +out: + addr_location__exit(&al); return ret; } @@ -1179,14 +1190,13 @@ static int ip__fprintf_sym(uint64_t addr, struct thread *thread, struct perf_event_attr *attr, FILE *fp) { struct addr_location al; - int off, printed = 0; - - memset(&al, 0, sizeof(al)); + int off, printed = 0, ret = 0; + addr_location__init(&al); thread__find_map(thread, cpumode, addr, &al); if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end) - return 0; + goto out; al.cpu = cpu; al.sym = NULL; @@ -1194,7 +1204,7 @@ static int ip__fprintf_sym(uint64_t addr, struct thread *thread, al.sym = map__find_symbol(al.map, al.addr); if (!al.sym) - return 0; + goto out; if (al.addr < al.sym->end) off = al.addr - al.sym->start; @@ -1209,7 +1219,10 @@ static int ip__fprintf_sym(uint64_t addr, struct thread *thread, printed += fprintf(fp, "\n"); *lastsym = al.sym; - return printed; + ret = printed; +out: + addr_location__exit(&al); + return ret; } static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample, @@ -1371,6 +1384,7 @@ static int perf_sample__fprintf_addr(struct perf_sample *sample, struct addr_location al; int printed = fprintf(fp, "%16" PRIx64, sample->addr); + addr_location__init(&al); if (!sample_addr_correlates_sym(attr)) goto out; @@ -1387,6 +1401,7 @@ static int perf_sample__fprintf_addr(struct perf_sample *sample, if (PRINT_FIELD(DSO)) printed += map__fprintf_dsoname_dsoff(al.map, PRINT_FIELD(DSOFF), al.addr, fp); out: + addr_location__exit(&al); return printed; } @@ -2338,8 +2353,8 @@ static int process_sample_event(struct perf_tool *tool, int ret = 0; /* Set thread to NULL to indicate addr_al and al are not initialized */ - addr_al.thread = NULL; - al.thread = NULL; + addr_location__init(&al); + addr_location__init(&addr_al); ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al); if (ret) { @@ -2405,8 +2420,8 @@ static int process_sample_event(struct perf_tool *tool, } out_put: - if (al.thread) - addr_location__put(&al); + addr_location__exit(&addr_al); + addr_location__exit(&al); return ret; } diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c index 829d99fecfd0..19d4542ea18a 100644 --- a/tools/perf/builtin-timechart.c +++ b/tools/perf/builtin-timechart.c @@ -498,7 +498,6 @@ static const char *cat_backtrace(union perf_event *event, char *p = NULL; size_t p_len; u8 cpumode = PERF_RECORD_MISC_USER; - struct addr_location tal; struct ip_callchain *chain = sample->callchain; FILE *f = open_memstream(&p, &p_len); @@ -507,6 +506,7 @@ static const char *cat_backtrace(union perf_event *event, return NULL; } + addr_location__init(&al); if (!chain) goto exit; @@ -518,6 +518,7 @@ static const char *cat_backtrace(union perf_event *event, for (i = 0; i < chain->nr; i++) { u64 ip; + struct addr_location tal; if (callchain_param.order == ORDER_CALLEE) ip = chain->ips[i]; @@ -544,20 +545,22 @@ static const char *cat_backtrace(union perf_event *event, * Discard all. */ zfree(&p); - goto exit_put; + goto exit; } continue; } + addr_location__init(&tal); tal.filtered = 0; if (thread__find_symbol(al.thread, cpumode, ip, &tal)) fprintf(f, "..... %016" PRIx64 " %s\n", ip, tal.sym->name); else fprintf(f, "..... %016" PRIx64 "\n", ip); + + addr_location__exit(&tal); } -exit_put: - addr_location__put(&al); exit: + addr_location__exit(&al); fclose(f); return p; diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 9d3cbebb9b79..99010dfa5760 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -773,8 +773,9 @@ static void perf_event__process_sample(struct perf_tool *tool, if (event->header.misc & PERF_RECORD_MISC_EXACT_IP) top->exact_samples++; + addr_location__init(&al); if (machine__resolve(machine, &al, sample) < 0) - return; + goto out; if (top->stitch_lbr) thread__set_lbr_stitch_enable(al.thread, true); @@ -848,7 +849,8 @@ static void perf_event__process_sample(struct perf_tool *tool, mutex_unlock(&hists->lock); } - addr_location__put(&al); +out: + addr_location__exit(&al); } static void diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 4c9bec39423b..6a1e75f06832 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -2418,13 +2418,15 @@ static int trace__resolve_callchain(struct trace *trace, struct evsel *evsel, int max_stack = evsel->core.attr.sample_max_stack ? evsel->core.attr.sample_max_stack : trace->max_stack; - int err; + int err = -1; + addr_location__init(&al); if (machine__resolve(trace->host, &al, sample) < 0) - return -1; + goto out; err = thread__resolve_callchain(al.thread, cursor, evsel, sample, NULL, NULL, max_stack); - addr_location__put(&al); +out: + addr_location__exit(&al); return err; } @@ -2893,6 +2895,7 @@ static int trace__pgfault(struct trace *trace, int err = -1; int callchain_ret = 0; + addr_location__init(&al); thread = machine__findnew_thread(trace->host, sample->pid, sample->tid); if (sample->callchain) { @@ -2953,6 +2956,7 @@ out: err = 0; out_put: thread__put(thread); + addr_location__exit(&al); return err; } diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c index 9d8eefbebd48..2a7b2b6f5286 100644 --- a/tools/perf/tests/code-reading.c +++ b/tools/perf/tests/code-reading.c @@ -241,6 +241,7 @@ static int read_object_code(u64 addr, size_t len, u8 cpumode, pr_debug("Reading object code for memory address: %#"PRIx64"\n", addr); + addr_location__init(&al); if (!thread__find_map(thread, cpumode, addr, &al) || !map__dso(al.map)) { if (cpumode == PERF_RECORD_MISC_HYPERVISOR) { pr_debug("Hypervisor address can not be resolved - skipping\n"); @@ -366,7 +367,7 @@ static int read_object_code(u64 addr, size_t len, u8 cpumode, } pr_debug("Bytes read match those read by objdump\n"); out: - map__put(al.map); + addr_location__exit(&al); return err; } diff --git a/tools/perf/tests/hists_cumulate.c b/tools/perf/tests/hists_cumulate.c index 62b9c6461ea6..71dacb0fec4d 100644 --- a/tools/perf/tests/hists_cumulate.c +++ b/tools/perf/tests/hists_cumulate.c @@ -8,8 +8,8 @@ #include "util/evsel.h" #include "util/evlist.h" #include "util/machine.h" -#include "util/thread.h" #include "util/parse-events.h" +#include "util/thread.h" #include "tests/tests.h" #include "tests/hists_common.h" #include <linux/kernel.h> @@ -84,6 +84,7 @@ static int add_hist_entries(struct hists *hists, struct machine *machine) struct perf_sample sample = { .period = 1000, }; size_t i; + addr_location__init(&al); for (i = 0; i < ARRAY_SIZE(fake_samples); i++) { struct hist_entry_iter iter = { .evsel = evsel, @@ -107,20 +108,22 @@ static int add_hist_entries(struct hists *hists, struct machine *machine) if (hist_entry_iter__add(&iter, &al, sysctl_perf_event_max_stack, NULL) < 0) { - addr_location__put(&al); goto out; } - fake_samples[i].thread = al.thread; + thread__put(fake_samples[i].thread); + fake_samples[i].thread = thread__get(al.thread); map__put(fake_samples[i].map); - fake_samples[i].map = al.map; + fake_samples[i].map = map__get(al.map); fake_samples[i].sym = al.sym; } + addr_location__exit(&al); return TEST_OK; out: pr_debug("Not enough memory for adding a hist entry\n"); + addr_location__exit(&al); return TEST_FAIL; } @@ -152,8 +155,10 @@ static void put_fake_samples(void) { size_t i; - for (i = 0; i < ARRAY_SIZE(fake_samples); i++) - map__put(fake_samples[i].map); + for (i = 0; i < ARRAY_SIZE(fake_samples); i++) { + map__zput(fake_samples[i].map); + thread__zput(fake_samples[i].thread); + } } typedef int (*test_fn_t)(struct evsel *, struct machine *); diff --git a/tools/perf/tests/hists_filter.c b/tools/perf/tests/hists_filter.c index 98eff5935a1c..4b2e4f2fbe48 100644 --- a/tools/perf/tests/hists_filter.c +++ b/tools/perf/tests/hists_filter.c @@ -8,6 +8,7 @@ #include "util/evlist.h" #include "util/machine.h" #include "util/parse-events.h" +#include "util/thread.h" #include "tests/tests.h" #include "tests/hists_common.h" #include <linux/kernel.h> @@ -53,6 +54,7 @@ static int add_hist_entries(struct evlist *evlist, struct perf_sample sample = { .period = 100, }; size_t i; + addr_location__init(&al); /* * each evsel will have 10 samples but the 4th sample * (perf [perf] main) will be collapsed to an existing entry @@ -84,21 +86,22 @@ static int add_hist_entries(struct evlist *evlist, al.socket = fake_samples[i].socket; if (hist_entry_iter__add(&iter, &al, sysctl_perf_event_max_stack, NULL) < 0) { - addr_location__put(&al); goto out; } - fake_samples[i].thread = al.thread; + thread__put(fake_samples[i].thread); + fake_samples[i].thread = thread__get(al.thread); map__put(fake_samples[i].map); - fake_samples[i].map = al.map; + fake_samples[i].map = map__get(al.map); fake_samples[i].sym = al.sym; } } - + addr_location__exit(&al); return 0; out: pr_debug("Not enough memory for adding a hist entry\n"); + addr_location__exit(&al); return TEST_FAIL; } diff --git a/tools/perf/tests/hists_link.c b/tools/perf/tests/hists_link.c index 141e2972e34f..12bad8840699 100644 --- a/tools/perf/tests/hists_link.c +++ b/tools/perf/tests/hists_link.c @@ -8,6 +8,7 @@ #include "machine.h" #include "map.h" #include "parse-events.h" +#include "thread.h" #include "hists_common.h" #include "util/mmap.h" #include <errno.h> @@ -70,6 +71,7 @@ static int add_hist_entries(struct evlist *evlist, struct machine *machine) struct perf_sample sample = { .period = 1, .weight = 1, }; size_t i = 0, k; + addr_location__init(&al); /* * each evsel will have 10 samples - 5 common and 5 distinct. * However the second evsel also has a collapsed entry for @@ -90,13 +92,13 @@ static int add_hist_entries(struct evlist *evlist, struct machine *machine) he = hists__add_entry(hists, &al, NULL, NULL, NULL, NULL, &sample, true); if (he == NULL) { - addr_location__put(&al); goto out; } - fake_common_samples[k].thread = al.thread; + thread__put(fake_common_samples[k].thread); + fake_common_samples[k].thread = thread__get(al.thread); map__put(fake_common_samples[k].map); - fake_common_samples[k].map = al.map; + fake_common_samples[k].map = map__get(al.map); fake_common_samples[k].sym = al.sym; } @@ -110,20 +112,22 @@ static int add_hist_entries(struct evlist *evlist, struct machine *machine) he = hists__add_entry(hists, &al, NULL, NULL, NULL, NULL, &sample, true); if (he == NULL) { - addr_location__put(&al); goto out; } - fake_samples[i][k].thread = al.thread; - fake_samples[i][k].map = al.map; + thread__put(fake_samples[i][k].thread); + fake_samples[i][k].thread = thread__get(al.thread); + map__put(fake_samples[i][k].map); + fake_samples[i][k].map = map__get(al.map); fake_samples[i][k].sym = al.sym; } i++; } + addr_location__exit(&al); return 0; - out: + addr_location__exit(&al); pr_debug("Not enough memory for adding a hist entry\n"); return -1; } diff --git a/tools/perf/tests/hists_output.c b/tools/perf/tests/hists_output.c index cd2094c13e1e..ba1cccf57049 100644 --- a/tools/perf/tests/hists_output.c +++ b/tools/perf/tests/hists_output.c @@ -54,6 +54,7 @@ static int add_hist_entries(struct hists *hists, struct machine *machine) struct perf_sample sample = { .period = 100, }; size_t i; + addr_location__init(&al); for (i = 0; i < ARRAY_SIZE(fake_samples); i++) { struct hist_entry_iter iter = { .evsel = evsel, @@ -73,20 +74,21 @@ static int add_hist_entries(struct hists *hists, struct machine *machine) if (hist_entry_iter__add(&iter, &al, sysctl_perf_event_max_stack, NULL) < 0) { - addr_location__put(&al); goto out; } fake_samples[i].thread = al.thread; map__put(fake_samples[i].map); - fake_samples[i].map = al.map; + fake_samples[i].map = map__get(al.map); fake_samples[i].sym = al.sym; } + addr_location__exit(&al); return TEST_OK; out: pr_debug("Not enough memory for adding a hist entry\n"); + addr_location__exit(&al); return TEST_FAIL; } @@ -118,8 +120,10 @@ static void put_fake_samples(void) { size_t i; - for (i = 0; i < ARRAY_SIZE(fake_samples); i++) + for (i = 0; i < ARRAY_SIZE(fake_samples); i++) { map__put(fake_samples[i].map); + fake_samples[i].map = NULL; + } } typedef int (*test_fn_t)(struct evsel *, struct machine *); diff --git a/tools/perf/tests/mmap-thread-lookup.c b/tools/perf/tests/mmap-thread-lookup.c index 898eda55b7a8..3891a2a3b46f 100644 --- a/tools/perf/tests/mmap-thread-lookup.c +++ b/tools/perf/tests/mmap-thread-lookup.c @@ -187,6 +187,7 @@ static int mmap_events(synth_cb synth) struct addr_location al; struct thread *thread; + addr_location__init(&al); thread = machine__findnew_thread(machine, getpid(), td->tid); pr_debug("looking for map %p\n", td->map); @@ -199,11 +200,12 @@ static int mmap_events(synth_cb synth) if (!al.map) { pr_debug("failed, couldn't find map\n"); err = -1; + addr_location__exit(&al); break; } pr_debug("map %p, addr %" PRIx64 "\n", al.map, map__start(al.map)); - map__put(al.map); + addr_location__exit(&al); } machine__delete_threads(machine); diff --git a/tools/perf/util/addr_location.c b/tools/perf/util/addr_location.c index c73fc2aa236c..51825ef8c0ab 100644 --- a/tools/perf/util/addr_location.c +++ b/tools/perf/util/addr_location.c @@ -1,16 +1,44 @@ // SPDX-License-Identifier: GPL-2.0 #include "addr_location.h" #include "map.h" +#include "maps.h" #include "thread.h" +void addr_location__init(struct addr_location *al) +{ + al->thread = NULL; + al->maps = NULL; + al->map = NULL; + al->sym = NULL; + al->srcline = NULL; + al->addr = 0; + al->level = 0; + al->filtered = 0; + al->cpumode = 0; + al->cpu = 0; + al->socket = 0; +} + /* * The preprocess_sample method will return with reference counts for the * in it, when done using (and perhaps getting ref counts if needing to * keep a pointer to one of those entries) it must be paired with * addr_location__put(), so that the refcounts can be decremented. */ -void addr_location__put(struct addr_location *al) +void addr_location__exit(struct addr_location *al) { map__zput(al->map); thread__zput(al->thread); + maps__zput(al->maps); +} + +void addr_location__copy(struct addr_location *dst, struct addr_location *src) +{ + thread__put(dst->thread); + maps__put(dst->maps); + map__put(dst->map); + *dst = *src; + dst->thread = thread__get(src->thread); + dst->maps = maps__get(src->maps); + dst->map = map__get(src->map); } diff --git a/tools/perf/util/addr_location.h b/tools/perf/util/addr_location.h index 7dfa7417c0fe..d8ac0428dff2 100644 --- a/tools/perf/util/addr_location.h +++ b/tools/perf/util/addr_location.h @@ -23,6 +23,9 @@ struct addr_location { s32 socket; }; -void addr_location__put(struct addr_location *al); +void addr_location__init(struct addr_location *al); +void addr_location__exit(struct addr_location *al); + +void addr_location__copy(struct addr_location *dst, struct addr_location *src); #endif /* __PERF_ADDR_LOCATION */ diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c index 06a8cd88cbef..36728222a5b4 100644 --- a/tools/perf/util/build-id.c +++ b/tools/perf/util/build-id.c @@ -58,9 +58,11 @@ int build_id__mark_dso_hit(struct perf_tool *tool __maybe_unused, return -1; } + addr_location__init(&al); if (thread__find_map(thread, sample->cpumode, sample->ip, &al)) map__dso(al.map)->hit = 1; + addr_location__exit(&al); thread__put(thread); return 0; } diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c index b550c7393155..416f2ddc3895 100644 --- a/tools/perf/util/cs-etm.c +++ b/tools/perf/util/cs-etm.c @@ -910,33 +910,35 @@ static u32 cs_etm__mem_access(struct cs_etm_queue *etmq, u8 trace_chan_id, struct addr_location al; struct dso *dso; struct cs_etm_traceid_queue *tidq; + int ret = 0; if (!etmq) return 0; + addr_location__init(&al); machine = etmq->etm->machine; cpumode = cs_etm__cpu_mode(etmq, address); tidq = cs_etm__etmq_get_traceid_queue(etmq, trace_chan_id); if (!tidq) - return 0; + goto out; thread = tidq->thread; if (!thread) { if (cpumode != PERF_RECORD_MISC_KERNEL) - return 0; + goto out; thread = etmq->etm->unknown_thread; } if (!thread__find_map(thread, cpumode, address, &al)) - return 0; + goto out; dso = map__dso(al.map); if (!dso) - return 0; + goto out; if (dso->data.status == DSO_DATA_STATUS_ERROR && dso__data_status_seen(dso, DSO_DATA_STATUS_SEEN_ITRACE)) - return 0; + goto out; offset = map__map_ip(al.map, address); @@ -953,10 +955,12 @@ static u32 cs_etm__mem_access(struct cs_etm_queue *etmq, u8 trace_chan_id, dso->long_name ? dso->long_name : "Unknown"); dso->auxtrace_warned = true; } - return 0; + goto out; } - - return len; + ret = len; +out: + addr_location__exit(&al); + return ret; } static struct cs_etm_queue *cs_etm__alloc_queue(struct cs_etm_auxtrace *etm, diff --git a/tools/perf/util/data-convert-json.c b/tools/perf/util/data-convert-json.c index 291591e303cd..5bb3c2ba95ca 100644 --- a/tools/perf/util/data-convert-json.c +++ b/tools/perf/util/data-convert-json.c @@ -154,12 +154,14 @@ static int process_sample_event(struct perf_tool *tool, { struct convert_json *c = container_of(tool, struct convert_json, tool); FILE *out = c->out; - struct addr_location al, tal; + struct addr_location al; u64 sample_type = __evlist__combined_sample_type(evsel->evlist); u8 cpumode = PERF_RECORD_MISC_USER; + addr_location__init(&al); if (machine__resolve(machine, &al, sample) < 0) { pr_err("Sample resolution failed!\n"); + addr_location__exit(&al); return -1; } @@ -190,6 +192,7 @@ static int process_sample_event(struct perf_tool *tool, for (i = 0; i < sample->callchain->nr; ++i) { u64 ip = sample->callchain->ips[i]; + struct addr_location tal; if (ip >= PERF_CONTEXT_MAX) { switch (ip) { @@ -215,8 +218,10 @@ static int process_sample_event(struct perf_tool *tool, else fputc(',', out); + addr_location__init(&tal); ok = thread__find_symbol(al.thread, cpumode, ip, &tal); output_sample_callchain_entry(tool, ip, ok ? &tal : NULL); + addr_location__exit(&tal); } } else { output_sample_callchain_entry(tool, sample->ip, &al); @@ -245,6 +250,7 @@ static int process_sample_event(struct perf_tool *tool, } #endif output_json_format(out, false, 2, "}"); + addr_location__exit(&al); return 0; } diff --git a/tools/perf/util/db-export.c b/tools/perf/util/db-export.c index 751fd53bfd93..6184696dc266 100644 --- a/tools/perf/util/db-export.c +++ b/tools/perf/util/db-export.c @@ -239,16 +239,17 @@ static struct call_path *call_path_from_sample(struct db_export *dbe, struct addr_location al; u64 dso_db_id = 0, sym_db_id = 0, offset = 0; - memset(&al, 0, sizeof(al)); node = callchain_cursor_current(&callchain_cursor); if (!node) break; + /* * Handle export of symbol and dso for this node by * constructing an addr_location struct and then passing it to * db_ids_from_al() to perform the export. */ + addr_location__init(&al); al.sym = node->ms.sym; al.map = node->ms.map; al.maps = thread__maps(thread); @@ -265,6 +266,7 @@ static struct call_path *call_path_from_sample(struct db_export *dbe, kernel_start); callchain_cursor_advance(&callchain_cursor); + addr_location__exit(&al); } /* Reset the callchain order to its prior value. */ diff --git a/tools/perf/util/dlfilter.c b/tools/perf/util/dlfilter.c index 8016f21dc0b8..46f74b2344db 100644 --- a/tools/perf/util/dlfilter.c +++ b/tools/perf/util/dlfilter.c @@ -258,6 +258,7 @@ static __s32 dlfilter__object_code(void *ctx, __u64 ip, void *buf, __u32 len) struct addr_location a; struct map *map; u64 offset; + __s32 ret; if (!d->ctx_valid) return -1; @@ -272,16 +273,22 @@ static __s32 dlfilter__object_code(void *ctx, __u64 ip, void *buf, __u32 len) machine__kernel_ip(d->machine, ip) == machine__kernel_ip(d->machine, d->sample->ip)) goto have_map; + addr_location__init(&a); thread__find_map_fb(al->thread, d->sample->cpumode, ip, &a); - if (!a.map) - return -1; + if (!a.map) { + ret = -1; + goto out; + } map = a.map; have_map: offset = map__map_ip(map, ip); if (ip + len >= map__end(map)) len = map__end(map) - ip; - return dso__data_read_offset(map__dso(map), d->machine, offset, buf, len); + ret = dso__data_read_offset(map__dso(map), d->machine, offset, buf, len); +out: + addr_location__exit(&a); + return ret; } static const struct perf_dlfilter_fns perf_dlfilter_fns = { diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 6ee23145ee7e..2fcfba38fc48 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -486,6 +486,7 @@ size_t perf_event__fprintf_text_poke(union perf_event *event, struct machine *ma if (machine) { struct addr_location al; + addr_location__init(&al); al.map = map__get(maps__find(machine__kernel_maps(machine), tp->addr)); if (al.map && map__load(al.map) >= 0) { al.addr = map__map_ip(al.map, tp->addr); @@ -493,7 +494,7 @@ size_t perf_event__fprintf_text_poke(union perf_event *event, struct machine *ma if (al.sym) ret += symbol__fprintf_symname_offs(al.sym, &al, fp); } - map__put(al.map); + addr_location__exit(&al); } ret += fprintf(fp, " old len %u new len %u\n", tp->old_len, tp->new_len); old = true; @@ -577,8 +578,10 @@ struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr, struct machine *machine = maps__machine(maps); bool load_map = false; - al->maps = maps; - al->thread = thread; + maps__zput(al->maps); + map__zput(al->map); + thread__zput(al->thread); + al->addr = addr; al->cpumode = cpumode; al->filtered = 0; @@ -590,13 +593,13 @@ struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr, if (cpumode == PERF_RECORD_MISC_KERNEL && perf_host) { al->level = 'k'; - al->maps = maps = machine__kernel_maps(machine); + maps = machine__kernel_maps(machine); 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'; - al->maps = maps = machine__kernel_maps(machine); + maps = machine__kernel_maps(machine); load_map = true; } else if (cpumode == PERF_RECORD_MISC_GUEST_USER && perf_guest) { al->level = 'u'; @@ -615,7 +618,8 @@ struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr, return NULL; } - + al->maps = maps__get(maps); + al->thread = thread__get(thread); al->map = map__get(maps__find(maps, al->addr)); if (al->map != NULL) { /* diff --git a/tools/perf/util/evsel_fprintf.c b/tools/perf/util/evsel_fprintf.c index a1655fd7ed9b..cf45ca0e768f 100644 --- a/tools/perf/util/evsel_fprintf.c +++ b/tools/perf/util/evsel_fprintf.c @@ -128,8 +128,6 @@ int sample__fprintf_callchain(struct perf_sample *sample, int left_alignment, bool first = true; if (sample->callchain) { - struct addr_location node_al; - callchain_cursor_commit(cursor); while (1) { @@ -159,9 +157,12 @@ int sample__fprintf_callchain(struct perf_sample *sample, int left_alignment, printed += fprintf(fp, "%c%16" PRIx64, s, node->ip); if (print_sym) { + struct addr_location node_al; + + addr_location__init(&node_al); printed += fprintf(fp, " "); node_al.addr = addr; - node_al.map = map; + node_al.map = map__get(map); if (print_symoffset) { printed += __symbol__fprintf_symname_offs(sym, &node_al, @@ -171,6 +172,7 @@ int sample__fprintf_callchain(struct perf_sample *sample, int left_alignment, printed += __symbol__fprintf_symname(sym, &node_al, print_unknown_as_addr, fp); } + addr_location__exit(&node_al); } if (print_dso && (!sym || !sym->inlined)) diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index 4bc3affbe891..a4c1b617f6e4 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -588,7 +588,7 @@ static void hist_entry__add_callchain_period(struct hist_entry *he, u64 period) static struct hist_entry *hists__findnew_entry(struct hists *hists, struct hist_entry *entry, - struct addr_location *al, + const struct addr_location *al, bool sample_self) { struct rb_node **p; @@ -927,8 +927,10 @@ iter_next_branch_entry(struct hist_entry_iter *iter, struct addr_location *al) if (iter->curr >= iter->total) return 0; - al->maps = bi[i].to.ms.maps; - al->map = bi[i].to.ms.map; + maps__put(al->maps); + al->maps = maps__get(bi[i].to.ms.maps); + map__put(al->map); + al->map = map__get(bi[i].to.ms.map); al->sym = bi[i].to.ms.sym; al->addr = bi[i].to.addr; return 1; diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c index 45c7e7722916..783ce61c6d25 100644 --- a/tools/perf/util/intel-pt.c +++ b/tools/perf/util/intel-pt.c @@ -754,13 +754,15 @@ static int intel_pt_walk_next_insn(struct intel_pt_insn *intel_pt_insn, struct addr_location al; unsigned char buf[INTEL_PT_INSN_BUF_SZ]; ssize_t len; - int x86_64; + int x86_64, ret = 0; u8 cpumode; u64 offset, start_offset, start_ip; u64 insn_cnt = 0; bool one_map = true; bool nr; + + addr_location__init(&al); intel_pt_insn->length = 0; if (to_ip && *ip == to_ip) @@ -773,19 +775,22 @@ static int intel_pt_walk_next_insn(struct intel_pt_insn *intel_pt_insn, if (ptq->pt->have_guest_sideband) { if (!ptq->guest_machine || ptq->guest_machine_pid != ptq->pid) { intel_pt_log("ERROR: guest sideband but no guest machine\n"); - return -EINVAL; + ret = -EINVAL; + goto out_ret; } } else if ((!symbol_conf.guest_code && cpumode != PERF_RECORD_MISC_GUEST_KERNEL) || intel_pt_get_guest(ptq)) { intel_pt_log("ERROR: no guest machine\n"); - return -EINVAL; + ret = -EINVAL; + goto out_ret; } machine = ptq->guest_machine; thread = ptq->guest_thread; if (!thread) { if (cpumode != PERF_RECORD_MISC_GUEST_KERNEL) { intel_pt_log("ERROR: no guest thread\n"); - return -EINVAL; + ret = -EINVAL; + goto out_ret; } thread = ptq->unknown_guest_thread; } @@ -794,7 +799,8 @@ static int intel_pt_walk_next_insn(struct intel_pt_insn *intel_pt_insn, if (!thread) { if (cpumode != PERF_RECORD_MISC_KERNEL) { intel_pt_log("ERROR: no thread\n"); - return -EINVAL; + ret = -EINVAL; + goto out_ret; } thread = ptq->pt->unknown_thread; } @@ -808,13 +814,17 @@ static int intel_pt_walk_next_insn(struct intel_pt_insn *intel_pt_insn, intel_pt_log("ERROR: thread has no dso for %#" PRIx64 "\n", *ip); else intel_pt_log("ERROR: thread has no map for %#" PRIx64 "\n", *ip); - return -EINVAL; + addr_location__exit(&al); + ret = -EINVAL; + goto out_ret; } dso = map__dso(al.map); if (dso->data.status == DSO_DATA_STATUS_ERROR && - dso__data_status_seen(dso, DSO_DATA_STATUS_SEEN_ITRACE)) - return -ENOENT; + dso__data_status_seen(dso, DSO_DATA_STATUS_SEEN_ITRACE)) { + ret = -ENOENT; + goto out_ret; + } offset = map__map_ip(al.map, *ip); @@ -833,7 +843,8 @@ static int intel_pt_walk_next_insn(struct intel_pt_insn *intel_pt_insn, intel_pt_insn->rel = e->rel; memcpy(intel_pt_insn->buf, e->insn, INTEL_PT_INSN_BUF_SZ); intel_pt_log_insn_no_data(intel_pt_insn, *ip); - return 0; + ret = 0; + goto out_ret; } } @@ -854,11 +865,14 @@ static int intel_pt_walk_next_insn(struct intel_pt_insn *intel_pt_insn, offset); if (intel_pt_enable_logging) dso__fprintf(dso, intel_pt_log_fp()); - return -EINVAL; + ret = -EINVAL; + goto out_ret; } - if (intel_pt_get_insn(buf, len, x86_64, intel_pt_insn)) - return -EINVAL; + if (intel_pt_get_insn(buf, len, x86_64, intel_pt_insn)) { + ret = -EINVAL; + goto out_ret; + } intel_pt_log_insn(intel_pt_insn, *ip); @@ -909,17 +923,20 @@ out: e = intel_pt_cache_lookup(map__dso(al.map), machine, start_offset); if (e) - return 0; + goto out_ret; } /* Ignore cache errors */ intel_pt_cache_add(map__dso(al.map), machine, start_offset, insn_cnt, *ip - start_ip, intel_pt_insn); - return 0; +out_ret: + addr_location__exit(&al); + return ret; out_no_cache: *insn_cnt_ptr = insn_cnt; + addr_location__exit(&al); return 0; } @@ -968,6 +985,7 @@ static int __intel_pt_pgd_ip(uint64_t ip, void *data) struct addr_location al; u8 cpumode; u64 offset; + int res; if (ptq->state->to_nr) { if (intel_pt_guest_kernel_ip(ip)) @@ -984,12 +1002,15 @@ static int __intel_pt_pgd_ip(uint64_t ip, void *data) if (!thread) return -EINVAL; + addr_location__init(&al); if (!thread__find_map(thread, cpumode, ip, &al) || !map__dso(al.map)) return -EINVAL; offset = map__map_ip(al.map, ip); - return intel_pt_match_pgd_ip(ptq->pt, ip, offset, map__dso(al.map)->long_name); + res = intel_pt_match_pgd_ip(ptq->pt, ip, offset, map__dso(al.map)->long_name); + addr_location__exit(&al); + return res; } static bool intel_pt_pgd_ip(uint64_t ip, void *data) @@ -3372,20 +3393,22 @@ static int intel_pt_text_poke(struct intel_pt *pt, union perf_event *event) /* Assume text poke begins in a basic block no more than 4096 bytes */ int cnt = 4096 + event->text_poke.new_len; struct thread *thread = pt->unknown_thread; - struct addr_location al = { .map = NULL }; + struct addr_location al; struct machine *machine = pt->machine; struct intel_pt_cache_entry *e; u64 offset; + int ret = 0; + addr_location__init(&al); if (!event->text_poke.new_len) - return 0; + goto out; for (; cnt; cnt--, addr--) { struct dso *dso; if (intel_pt_find_map(thread, cpumode, addr, &al)) { if (addr < event->text_poke.addr) - return 0; + goto out; continue; } @@ -3406,15 +3429,16 @@ static int intel_pt_text_poke(struct intel_pt *pt, union perf_event *event) * branch instruction before the text poke address. */ if (e->branch != INTEL_PT_BR_NO_BRANCH) - return 0; + goto out; } else { intel_pt_cache_invalidate(dso, machine, offset); intel_pt_log("Invalidated instruction cache for %s at %#"PRIx64"\n", dso->long_name, addr); } } - - return 0; +out: + addr_location__exit(&al); + return ret; } static int intel_pt_process_event(struct perf_session *session, diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index 8972c852d3bd..9fcf357a4d53 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -2221,7 +2221,7 @@ static void ip__resolve_ams(struct thread *thread, { struct addr_location al; - memset(&al, 0, sizeof(al)); + addr_location__init(&al); /* * We cannot use the header.misc hint to determine whether a * branch stack address is user, kernel, guest, hypervisor. @@ -2234,11 +2234,12 @@ static void ip__resolve_ams(struct thread *thread, ams->addr = ip; ams->al_addr = al.addr; ams->al_level = al.level; - ams->ms.maps = al.maps; + ams->ms.maps = maps__get(al.maps); ams->ms.sym = al.sym; - ams->ms.map = al.map; + ams->ms.map = map__get(al.map); ams->phys_addr = 0; ams->data_page_size = 0; + addr_location__exit(&al); } static void ip__resolve_data(struct thread *thread, @@ -2247,18 +2248,19 @@ static void ip__resolve_data(struct thread *thread, { struct addr_location al; - memset(&al, 0, sizeof(al)); + addr_location__init(&al); thread__find_symbol(thread, m, addr, &al); ams->addr = addr; ams->al_addr = al.addr; ams->al_level = al.level; - ams->ms.maps = al.maps; + ams->ms.maps = maps__get(al.maps); ams->ms.sym = al.sym; - ams->ms.map = al.map; + ams->ms.map = map__get(al.map); ams->phys_addr = phys_addr; ams->data_page_size = daddr_page_size; + addr_location__exit(&al); } struct mem_info *sample__resolve_mem(struct perf_sample *sample, @@ -2319,10 +2321,11 @@ static int add_callchain_ip(struct thread *thread, { struct map_symbol ms; struct addr_location al; - int nr_loop_iter = 0, err; + int nr_loop_iter = 0, err = 0; u64 iter_cycles = 0; const char *srcline = NULL; + addr_location__init(&al); al.filtered = 0; al.sym = NULL; al.srcline = NULL; @@ -2348,9 +2351,10 @@ static int add_callchain_ip(struct thread *thread, * Discard all. */ callchain_cursor_reset(cursor); - return 1; + err = 1; + goto out; } - return 0; + goto out; } thread__find_symbol(thread, *cpumode, ip, &al); } @@ -2363,31 +2367,32 @@ static int add_callchain_ip(struct thread *thread, symbol__match_regex(al.sym, &ignore_callees_regex)) { /* Treat this symbol as the root, forgetting its callees. */ - *root_al = al; + addr_location__copy(root_al, &al); callchain_cursor_reset(cursor); } } if (symbol_conf.hide_unresolved && al.sym == NULL) - return 0; + goto out; if (iter) { nr_loop_iter = iter->nr_loop_iter; iter_cycles = iter->cycles; } - ms.maps = al.maps; - ms.map = al.map; + ms.maps = maps__get(al.maps); + ms.map = map__get(al.map); ms.sym = al.sym; if (!branch && append_inlines(cursor, &ms, ip) == 0) - return 0; + goto out; srcline = callchain_srcline(&ms, al.addr); err = callchain_cursor_append(cursor, ip, &ms, branch, flags, nr_loop_iter, iter_cycles, branch_from, srcline); - map__put(al.map); +out: + addr_location__exit(&al); return err; } diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c index f3d262e871ac..d7c99028c6e6 100644 --- a/tools/perf/util/scripting-engines/trace-event-python.c +++ b/tools/perf/util/scripting-engines/trace-event-python.c @@ -469,9 +469,11 @@ static PyObject *python_process_callchain(struct perf_sample *sample, struct addr_location node_al; unsigned long offset; + addr_location__init(&node_al); node_al.addr = map__map_ip(map, node->ip); - node_al.map = map; + node_al.map = map__get(map); offset = get_offset(node->ms.sym, &node_al); + addr_location__exit(&node_al); pydict_set_item_string_decref( pyelem, "sym_off", @@ -539,6 +541,7 @@ static PyObject *python_process_brstack(struct perf_sample *sample, pydict_set_item_string_decref(pyelem, "cycles", PyLong_FromUnsignedLongLong(entries[i].flags.cycles)); + addr_location__init(&al); thread__find_map_fb(thread, sample->cpumode, entries[i].from, &al); dsoname = get_dsoname(al.map); @@ -551,6 +554,7 @@ static PyObject *python_process_brstack(struct perf_sample *sample, pydict_set_item_string_decref(pyelem, "to_dsoname", _PyUnicode_FromString(dsoname)); + addr_location__exit(&al); PyList_Append(pylist, pyelem); Py_DECREF(pyelem); } @@ -594,7 +598,6 @@ static PyObject *python_process_brstacksym(struct perf_sample *sample, PyObject *pylist; u64 i; char bf[512]; - struct addr_location al; pylist = PyList_New(0); if (!pylist) @@ -605,7 +608,9 @@ static PyObject *python_process_brstacksym(struct perf_sample *sample, for (i = 0; i < br->nr; i++) { PyObject *pyelem; + struct addr_location al; + addr_location__init(&al); pyelem = PyDict_New(); if (!pyelem) Py_FatalError("couldn't create Python dictionary"); @@ -644,6 +649,7 @@ static PyObject *python_process_brstacksym(struct perf_sample *sample, PyList_Append(pylist, pyelem); Py_DECREF(pyelem); + addr_location__exit(&al); } exit: diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c index 9a1db3be6436..bee4ac1051ee 100644 --- a/tools/perf/util/thread.c +++ b/tools/perf/util/thread.c @@ -432,18 +432,25 @@ int thread__memcpy(struct thread *thread, struct machine *machine, if (machine__kernel_ip(machine, ip)) cpumode = PERF_RECORD_MISC_KERNEL; - if (!thread__find_map(thread, cpumode, ip, &al)) - return -1; + addr_location__init(&al); + if (!thread__find_map(thread, cpumode, ip, &al)) { + addr_location__exit(&al); + return -1; + } dso = map__dso(al.map); - if( !dso || dso->data.status == DSO_DATA_STATUS_ERROR || map__load(al.map) < 0) + if (!dso || dso->data.status == DSO_DATA_STATUS_ERROR || map__load(al.map) < 0) { + addr_location__exit(&al); return -1; + } offset = map__map_ip(al.map, ip); if (is64bit) *is64bit = dso->is_64_bit; + addr_location__exit(&al); + return dso__data_read_offset(dso, machine, offset, buf, len); } diff --git a/tools/perf/util/unwind-libdw.c b/tools/perf/util/unwind-libdw.c index 3723b5e31b2a..83eea968482e 100644 --- a/tools/perf/util/unwind-libdw.c +++ b/tools/perf/util/unwind-libdw.c @@ -90,8 +90,12 @@ static int __report_module(struct addr_location *al, u64 ip, static int report_module(u64 ip, struct unwind_info *ui) { struct addr_location al; + int res; - return __report_module(&al, ip, ui); + addr_location__init(&al); + res = __report_module(&al, ip, ui); + addr_location__exit(&al); + return res; } /* @@ -104,8 +108,11 @@ static int entry(u64 ip, struct unwind_info *ui) struct unwind_entry *e = &ui->entries[ui->idx++]; struct addr_location al; - if (__report_module(&al, ip, ui)) + addr_location__init(&al); + if (__report_module(&al, ip, ui)) { + addr_location__exit(&al); return -1; + } e->ip = ip; e->ms.maps = al.maps; @@ -116,6 +123,7 @@ static int entry(u64 ip, struct unwind_info *ui) al.sym ? al.sym->name : "''", ip, al.map ? map__map_ip(al.map, ip) : (u64) 0); + addr_location__exit(&al); return 0; } @@ -136,17 +144,22 @@ static int access_dso_mem(struct unwind_info *ui, Dwarf_Addr addr, ssize_t size; struct dso *dso; + addr_location__init(&al); if (!thread__find_map(ui->thread, PERF_RECORD_MISC_USER, addr, &al)) { pr_debug("unwind: no map for %lx\n", (unsigned long)addr); - return -1; + goto out_fail; } dso = map__dso(al.map); if (!dso) - return -1; + goto out_fail; size = dso__data_read_addr(dso, al.map, ui->machine, addr, (u8 *) data, sizeof(*data)); + addr_location__exit(&al); return !(size == sizeof(*data)); +out_fail: + addr_location__exit(&al); + return -1; } static bool memory_read(Dwfl *dwfl __maybe_unused, Dwarf_Addr addr, Dwarf_Word *result, diff --git a/tools/perf/util/unwind-libunwind-local.c b/tools/perf/util/unwind-libunwind-local.c index 11f3fc95aa11..36bf5100bad2 100644 --- a/tools/perf/util/unwind-libunwind-local.c +++ b/tools/perf/util/unwind-libunwind-local.c @@ -416,7 +416,12 @@ static int read_unwind_spec_debug_frame(struct dso *dso, static struct map *find_map(unw_word_t ip, struct unwind_info *ui) { struct addr_location al; - return thread__find_map(ui->thread, PERF_RECORD_MISC_USER, ip, &al); + struct map *ret; + + addr_location__init(&al); + ret = thread__find_map(ui->thread, PERF_RECORD_MISC_USER, ip, &al); + addr_location__exit(&al); + return ret; } static int @@ -631,7 +636,9 @@ static int entry(u64 ip, struct thread *thread, { struct unwind_entry e; struct addr_location al; + int ret; + addr_location__init(&al); e.ms.sym = thread__find_symbol(thread, PERF_RECORD_MISC_USER, ip, &al); e.ip = ip; e.ms.map = al.map; @@ -642,7 +649,9 @@ static int entry(u64 ip, struct thread *thread, ip, al.map ? map__map_ip(al.map, ip) : (u64) 0); - return cb(&e, arg); + ret = cb(&e, arg); + addr_location__exit(&al); + return ret; } static void display_error(int err) |