diff options
Diffstat (limited to 'tools/perf/util')
-rw-r--r-- | tools/perf/util/dwarf-aux.c | 18 | ||||
-rw-r--r-- | tools/perf/util/evsel.c | 67 | ||||
-rw-r--r-- | tools/perf/util/evsel.h | 4 | ||||
-rw-r--r-- | tools/perf/util/hist.c | 14 | ||||
-rw-r--r-- | tools/perf/util/parse-events.c | 12 | ||||
-rw-r--r-- | tools/perf/util/parse-events.h | 2 | ||||
-rw-r--r-- | tools/perf/util/parse-events.l | 2 | ||||
-rw-r--r-- | tools/perf/util/pmu.c | 4 | ||||
-rw-r--r-- | tools/perf/util/sort.c | 2 | ||||
-rw-r--r-- | tools/perf/util/symbol.h | 3 |
10 files changed, 116 insertions, 12 deletions
diff --git a/tools/perf/util/dwarf-aux.c b/tools/perf/util/dwarf-aux.c index 57f3ef41c2bc..445f455dd377 100644 --- a/tools/perf/util/dwarf-aux.c +++ b/tools/perf/util/dwarf-aux.c @@ -734,15 +734,18 @@ int die_walk_lines(Dwarf_Die *rt_die, line_walk_callback_t callback, void *data) Dwarf_Lines *lines; Dwarf_Line *line; Dwarf_Addr addr; - const char *fname; + const char *fname, *decf = NULL; int lineno, ret = 0; + int decl = 0, inl; Dwarf_Die die_mem, *cu_die; size_t nlines, i; /* Get the CU die */ - if (dwarf_tag(rt_die) != DW_TAG_compile_unit) + if (dwarf_tag(rt_die) != DW_TAG_compile_unit) { cu_die = dwarf_diecu(rt_die, &die_mem, NULL, NULL); - else + dwarf_decl_line(rt_die, &decl); + decf = dwarf_decl_file(rt_die); + } else cu_die = rt_die; if (!cu_die) { pr_debug2("Failed to get CU from given DIE.\n"); @@ -773,9 +776,14 @@ int die_walk_lines(Dwarf_Die *rt_die, line_walk_callback_t callback, void *data) * The line is included in given function, and * no inline block includes it. */ - if (!dwarf_haspc(rt_die, addr) || - die_find_inlinefunc(rt_die, addr, &die_mem)) + if (!dwarf_haspc(rt_die, addr)) continue; + if (die_find_inlinefunc(rt_die, addr, &die_mem)) { + dwarf_decl_line(&die_mem, &inl); + if (inl != decl || + decf != dwarf_decl_file(&die_mem)) + continue; + } /* Get source line */ fname = dwarf_linesrc(line, NULL, NULL); diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 04fddddc6b6f..b096ef7a240c 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -588,11 +588,36 @@ perf_evsel__config_callgraph(struct perf_evsel *evsel, } } -static void apply_config_terms(struct perf_evsel *evsel) +static void +perf_evsel__reset_callgraph(struct perf_evsel *evsel, + struct callchain_param *param) +{ + struct perf_event_attr *attr = &evsel->attr; + + perf_evsel__reset_sample_bit(evsel, CALLCHAIN); + if (param->record_mode == CALLCHAIN_LBR) { + perf_evsel__reset_sample_bit(evsel, BRANCH_STACK); + attr->branch_sample_type &= ~(PERF_SAMPLE_BRANCH_USER | + PERF_SAMPLE_BRANCH_CALL_STACK); + } + if (param->record_mode == CALLCHAIN_DWARF) { + perf_evsel__reset_sample_bit(evsel, REGS_USER); + perf_evsel__reset_sample_bit(evsel, STACK_USER); + } +} + +static void apply_config_terms(struct perf_evsel *evsel, + struct record_opts *opts) { struct perf_evsel_config_term *term; struct list_head *config_terms = &evsel->config_terms; struct perf_event_attr *attr = &evsel->attr; + struct callchain_param param; + u32 dump_size = 0; + char *callgraph_buf = NULL; + + /* callgraph default */ + param.record_mode = callchain_param.record_mode; list_for_each_entry(term, config_terms, list) { switch (term->type) { @@ -610,10 +635,48 @@ static void apply_config_terms(struct perf_evsel *evsel) else perf_evsel__reset_sample_bit(evsel, TIME); break; + case PERF_EVSEL__CONFIG_TERM_CALLGRAPH: + callgraph_buf = term->val.callgraph; + break; + case PERF_EVSEL__CONFIG_TERM_STACK_USER: + dump_size = term->val.stack_user; + break; default: break; } } + + /* User explicitly set per-event callgraph, clear the old setting and reset. */ + if ((callgraph_buf != NULL) || (dump_size > 0)) { + + /* parse callgraph parameters */ + if (callgraph_buf != NULL) { + if (!strcmp(callgraph_buf, "no")) { + param.enabled = false; + param.record_mode = CALLCHAIN_NONE; + } else { + param.enabled = true; + if (parse_callchain_record(callgraph_buf, ¶m)) { + pr_err("per-event callgraph setting for %s failed. " + "Apply callgraph global setting for it\n", + evsel->name); + return; + } + } + } + if (dump_size > 0) { + dump_size = round_up(dump_size, sizeof(u64)); + param.dump_size = dump_size; + } + + /* If global callgraph set, clear it */ + if (callchain_param.enabled) + perf_evsel__reset_callgraph(evsel, &callchain_param); + + /* set perf-event callgraph */ + if (param.enabled) + perf_evsel__config_callgraph(evsel, opts, ¶m); + } } /* @@ -812,7 +875,7 @@ void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts) * Apply event specific term settings, * it overloads any global configuration. */ - apply_config_terms(evsel); + apply_config_terms(evsel, opts); } static int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads) diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index fdf2674ab339..93ac6b128149 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -41,6 +41,8 @@ enum { PERF_EVSEL__CONFIG_TERM_PERIOD, PERF_EVSEL__CONFIG_TERM_FREQ, PERF_EVSEL__CONFIG_TERM_TIME, + PERF_EVSEL__CONFIG_TERM_CALLGRAPH, + PERF_EVSEL__CONFIG_TERM_STACK_USER, PERF_EVSEL__CONFIG_TERM_MAX, }; @@ -51,6 +53,8 @@ struct perf_evsel_config_term { u64 period; u64 freq; bool time; + char *callgraph; + u64 stack_user; } val; }; diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index 6bccfae334b1..08b6cd945f1e 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -1109,13 +1109,14 @@ void hists__inc_stats(struct hists *hists, struct hist_entry *h) static void __hists__insert_output_entry(struct rb_root *entries, struct hist_entry *he, - u64 min_callchain_hits) + u64 min_callchain_hits, + bool use_callchain) { struct rb_node **p = &entries->rb_node; struct rb_node *parent = NULL; struct hist_entry *iter; - if (symbol_conf.use_callchain) + if (use_callchain) callchain_param.sort(&he->sorted_chain, he->callchain, min_callchain_hits, &callchain_param); @@ -1139,6 +1140,13 @@ void hists__output_resort(struct hists *hists, struct ui_progress *prog) struct rb_node *next; struct hist_entry *n; u64 min_callchain_hits; + struct perf_evsel *evsel = hists_to_evsel(hists); + bool use_callchain; + + if (evsel && !symbol_conf.show_ref_callgraph) + use_callchain = evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN; + else + use_callchain = symbol_conf.use_callchain; min_callchain_hits = hists->stats.total_period * (callchain_param.min_percent / 100); @@ -1157,7 +1165,7 @@ void hists__output_resort(struct hists *hists, struct ui_progress *prog) n = rb_entry(next, struct hist_entry, rb_node_in); next = rb_next(&n->rb_node_in); - __hists__insert_output_entry(&hists->entries, n, min_callchain_hits); + __hists__insert_output_entry(&hists->entries, n, min_callchain_hits, use_callchain); hists__inc_stats(hists, n); if (!n->filtered) diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index dbf315df4220..d826e6f515db 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -614,6 +614,12 @@ do { \ return -EINVAL; } break; + case PARSE_EVENTS__TERM_TYPE_CALLGRAPH: + CHECK_TYPE_VAL(STR); + break; + case PARSE_EVENTS__TERM_TYPE_STACKSIZE: + CHECK_TYPE_VAL(NUM); + break; case PARSE_EVENTS__TERM_TYPE_NAME: CHECK_TYPE_VAL(STR); break; @@ -668,6 +674,12 @@ do { \ case PARSE_EVENTS__TERM_TYPE_TIME: ADD_CONFIG_TERM(TIME, time, term->val.num); break; + case PARSE_EVENTS__TERM_TYPE_CALLGRAPH: + ADD_CONFIG_TERM(CALLGRAPH, callgraph, term->val.str); + break; + case PARSE_EVENTS__TERM_TYPE_STACKSIZE: + ADD_CONFIG_TERM(STACK_USER, stack_user, term->val.num); + break; default: break; } diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h index ce2d13a16226..a09b0e210997 100644 --- a/tools/perf/util/parse-events.h +++ b/tools/perf/util/parse-events.h @@ -65,6 +65,8 @@ enum { PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ, PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE, PARSE_EVENTS__TERM_TYPE_TIME, + PARSE_EVENTS__TERM_TYPE_CALLGRAPH, + PARSE_EVENTS__TERM_TYPE_STACKSIZE, }; struct parse_events_term { diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l index 4306f5ad75c7..936d566f48d8 100644 --- a/tools/perf/util/parse-events.l +++ b/tools/perf/util/parse-events.l @@ -185,6 +185,8 @@ period { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD); } freq { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_SAMPLE_FREQ); } branch_type { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE); } time { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_TIME); } +call-graph { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_CALLGRAPH); } +stack-size { return term(yyscanner, PARSE_EVENTS__TERM_TYPE_STACKSIZE); } , { return ','; } "/" { BEGIN(INITIAL); return '/'; } {name_minus} { return str(yyscanner, PE_NAME); } diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index d85f11b8cacf..84cad054d6f7 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -634,7 +634,9 @@ static char *formats_error_string(struct list_head *formats) { struct perf_pmu_format *format; char *err, *str; - static const char *static_terms = "config,config1,config2,name,period,freq,branch_type,time\n"; + static const char *static_terms = "config,config1,config2,name," + "period,freq,branch_type,time," + "call-graph,stack-size\n"; unsigned i = 0; if (!asprintf(&str, "valid terms:")) diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c index c0c32b050e45..7e3871606df3 100644 --- a/tools/perf/util/sort.c +++ b/tools/perf/util/sort.c @@ -330,6 +330,8 @@ static char *get_srcfile(struct hist_entry *e) sf = get_srcline(map->dso, map__rip_2objdump(map, e->ip), e->ms.sym, true); + if (!strcmp(sf, SRCLINE_UNKNOWN)) + return no_srcfile; p = strchr(sf, ':'); if (p && *sf) { *p = 0; diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index b98ce51af142..a4cde92afbad 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -106,7 +106,8 @@ struct symbol_conf { filter_relative, show_hist_headers, branch_callstack, - has_filter; + has_filter, + show_ref_callgraph; const char *vmlinux_name, *kallsyms_name, *source_prefix, |