diff options
Diffstat (limited to 'tools/perf/builtin-report.c')
-rw-r--r-- | tools/perf/builtin-report.c | 71 |
1 files changed, 46 insertions, 25 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 26d8fc27e427..b63b3fb2de70 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -47,7 +47,6 @@ #include "util/time-utils.h" #include "util/auxtrace.h" #include "util/units.h" -#include "util/branch.h" #include "util/util.h" // perf_tip() #include "ui/ui.h" #include "ui/progress.h" @@ -84,6 +83,7 @@ struct report { bool header_only; bool nonany_branch_mode; bool group_set; + bool stitch_lbr; int max_stack; struct perf_read_values show_threads_values; struct annotation_options annotation_opts; @@ -267,6 +267,9 @@ static int process_sample_event(struct perf_tool *tool, return -1; } + if (rep->stitch_lbr) + al.thread->lbr_stitch_enable = true; + if (symbol_conf.hide_unresolved && al.sym == NULL) goto out_put; @@ -317,7 +320,7 @@ static int process_read_event(struct perf_tool *tool, struct report *rep = container_of(tool, struct report, tool); if (rep->show_threads) { - const char *name = perf_evsel__name(evsel); + const char *name = evsel__name(evsel); int err = perf_read_values_add_value(&rep->show_threads_values, event->read.pid, event->read.tid, evsel->idx, @@ -339,12 +342,14 @@ static int report__setup_sample_type(struct report *rep) bool is_pipe = perf_data__is_pipe(session->data); if (session->itrace_synth_opts->callchain || + session->itrace_synth_opts->add_callchain || (!is_pipe && perf_header__has_feat(&session->header, HEADER_AUXTRACE) && !session->itrace_synth_opts->set)) sample_type |= PERF_SAMPLE_CALLCHAIN; - if (session->itrace_synth_opts->last_branch) + if (session->itrace_synth_opts->last_branch || + session->itrace_synth_opts->add_last_branch) sample_type |= PERF_SAMPLE_BRANCH_STACK; if (!is_pipe && !(sample_type & PERF_SAMPLE_CALLCHAIN)) { @@ -396,15 +401,12 @@ static int report__setup_sample_type(struct report *rep) } } - if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) { - if ((sample_type & PERF_SAMPLE_REGS_USER) && - (sample_type & PERF_SAMPLE_STACK_USER)) { - callchain_param.record_mode = CALLCHAIN_DWARF; - dwarf_callchain_users = true; - } else if (sample_type & PERF_SAMPLE_BRANCH_STACK) - callchain_param.record_mode = CALLCHAIN_LBR; - else - callchain_param.record_mode = CALLCHAIN_FP; + callchain_param_setup(sample_type); + + if (rep->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) { + ui__warning("Can't find LBR callchain. Switch off --stitch-lbr.\n" + "Please apply --call-graph lbr when recording.\n"); + rep->stitch_lbr = false; } /* ??? handle more cases than just ANY? */ @@ -447,10 +449,10 @@ static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report nr_events = hists->stats.total_non_filtered_period; } - if (perf_evsel__is_group_event(evsel)) { + if (evsel__is_group_event(evsel)) { struct evsel *pos; - perf_evsel__group_desc(evsel, buf, size); + evsel__group_desc(evsel, buf, size); evname = buf; for_each_group_member(pos, evsel) { @@ -525,10 +527,9 @@ static int perf_evlist__tty_browse_hists(struct evlist *evlist, evlist__for_each_entry(evlist, pos) { struct hists *hists = evsel__hists(pos); - const char *evname = perf_evsel__name(pos); + const char *evname = evsel__name(pos); - if (symbol_conf.event_group && - !perf_evsel__is_group_leader(pos)) + if (symbol_conf.event_group && !evsel__is_group_leader(pos)) continue; hists__fprintf_nr_sample_events(hists, rep, evname, stdout); @@ -670,8 +671,7 @@ static int report__collapse_hists(struct report *rep) break; /* Non-group events are considered as leader */ - if (symbol_conf.event_group && - !perf_evsel__is_group_leader(pos)) { + if (symbol_conf.event_group && !evsel__is_group_leader(pos)) { struct hists *leader_hists = evsel__hists(pos->leader); hists__match(leader_hists, hists); @@ -706,8 +706,7 @@ static void report__output_resort(struct report *rep) ui_progress__init(&prog, rep->nr_entries, "Sorting events for output..."); evlist__for_each_entry(rep->session->evlist, pos) { - perf_evsel__output_resort_cb(pos, &prog, - hists__resort_cb, rep); + evsel__output_resort_cb(pos, &prog, hists__resort_cb, rep); } ui_progress__finish(); @@ -1080,6 +1079,26 @@ parse_percent_limit(const struct option *opt, const char *str, return 0; } +static int process_attr(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct evlist **pevlist) +{ + u64 sample_type; + int err; + + err = perf_event__process_attr(tool, event, pevlist); + if (err) + return err; + + /* + * Check if we need to enable callchains based + * on events sample_type. + */ + sample_type = perf_evlist__combined_sample_type(*pevlist); + callchain_param_setup(sample_type); + return 0; +} + int cmd_report(int argc, const char **argv) { struct perf_session *session; @@ -1110,7 +1129,7 @@ int cmd_report(int argc, const char **argv) .fork = perf_event__process_fork, .lost = perf_event__process_lost, .read = process_read_event, - .attr = perf_event__process_attr, + .attr = process_attr, .tracing_data = perf_event__process_tracing_data, .build_id = perf_event__process_build_id, .id_index = perf_event__process_id_index, @@ -1257,6 +1276,8 @@ int cmd_report(int argc, const char **argv) "Show full source file name path for source lines"), OPT_BOOLEAN(0, "show-ref-call-graph", &symbol_conf.show_ref_callgraph, "Show callgraph from reference event"), + OPT_BOOLEAN(0, "stitch-lbr", &report.stitch_lbr, + "Enable LBR callgraph stitching approach"), OPT_INTEGER(0, "socket-filter", &report.socket_filter, "only show processor socket that match with this filter"), OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace, @@ -1332,7 +1353,7 @@ int cmd_report(int argc, const char **argv) if (symbol_conf.cumulate_callchain && !callchain_param.order_set) callchain_param.order = ORDER_CALLER; - if (itrace_synth_opts.callchain && + if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) && (int)itrace_synth_opts.callchain_sz > report.max_stack) report.max_stack = itrace_synth_opts.callchain_sz; @@ -1380,7 +1401,7 @@ repeat: goto error; } - if (itrace_synth_opts.last_branch) + if (itrace_synth_opts.last_branch || itrace_synth_opts.add_last_branch) has_br_stack = true; if (has_br_stack && branch_call_mode) @@ -1400,7 +1421,7 @@ repeat: } if (branch_call_mode) { callchain_param.key = CCKEY_ADDRESS; - callchain_param.branch_callstack = 1; + callchain_param.branch_callstack = true; symbol_conf.use_callchain = true; callchain_register_param(&callchain_param); if (sort_order == NULL) |