diff options
Diffstat (limited to 'tools/perf/builtin-top.c')
-rw-r--r-- | tools/perf/builtin-top.c | 74 |
1 files changed, 39 insertions, 35 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 67bdb9f14ad6..f036af9b6f09 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -70,10 +70,11 @@ static volatile int done; +#define HEADER_LINE_NR 5 + static void perf_top__update_print_entries(struct perf_top *top) { - if (top->print_entries > 9) - top->print_entries -= 9; + top->print_entries = top->winsize.ws_row - HEADER_LINE_NR; } static void perf_top__sig_winch(int sig __maybe_unused, @@ -82,13 +83,6 @@ static void perf_top__sig_winch(int sig __maybe_unused, struct perf_top *top = arg; get_term_dimensions(&top->winsize); - if (!top->print_entries - || (top->print_entries+4) > top->winsize.ws_row) { - top->print_entries = top->winsize.ws_row; - } else { - top->print_entries += 4; - top->winsize.ws_row = top->print_entries; - } perf_top__update_print_entries(top); } @@ -251,8 +245,11 @@ static struct hist_entry *perf_evsel__add_hist_entry(struct perf_evsel *evsel, { struct hist_entry *he; + pthread_mutex_lock(&evsel->hists.lock); he = __hists__add_entry(&evsel->hists, al, NULL, sample->period, sample->weight); + pthread_mutex_unlock(&evsel->hists.lock); + if (he == NULL) return NULL; @@ -290,16 +287,17 @@ static void perf_top__print_sym_table(struct perf_top *top) return; } - hists__collapse_resort_threaded(&top->sym_evsel->hists); - hists__output_resort_threaded(&top->sym_evsel->hists); - hists__decay_entries_threaded(&top->sym_evsel->hists, - top->hide_user_symbols, - top->hide_kernel_symbols); + hists__collapse_resort(&top->sym_evsel->hists); + hists__output_resort(&top->sym_evsel->hists); + hists__decay_entries(&top->sym_evsel->hists, + top->hide_user_symbols, + top->hide_kernel_symbols); hists__output_recalc_col_len(&top->sym_evsel->hists, - top->winsize.ws_row - 3); + top->print_entries - printed); putchar('\n'); hists__fprintf(&top->sym_evsel->hists, false, - top->winsize.ws_row - 4 - printed, win_width, stdout); + top->print_entries - printed, win_width, + top->min_percent, stdout); } static void prompt_integer(int *target, const char *msg) @@ -477,7 +475,6 @@ static bool perf_top__handle_keypress(struct perf_top *top, int c) perf_top__sig_winch(SIGWINCH, NULL, top); sigaction(SIGWINCH, &act, NULL); } else { - perf_top__sig_winch(SIGWINCH, NULL, top); signal(SIGWINCH, SIG_DFL); } break; @@ -556,11 +553,11 @@ static void perf_top__sort_new_samples(void *arg) if (t->evlist->selected != NULL) t->sym_evsel = t->evlist->selected; - hists__collapse_resort_threaded(&t->sym_evsel->hists); - hists__output_resort_threaded(&t->sym_evsel->hists); - hists__decay_entries_threaded(&t->sym_evsel->hists, - t->hide_user_symbols, - t->hide_kernel_symbols); + hists__collapse_resort(&t->sym_evsel->hists); + hists__output_resort(&t->sym_evsel->hists); + hists__decay_entries(&t->sym_evsel->hists, + t->hide_user_symbols, + t->hide_kernel_symbols); } static void *display_thread_tui(void *arg) @@ -584,7 +581,7 @@ static void *display_thread_tui(void *arg) list_for_each_entry(pos, &top->evlist->entries, node) pos->hists.uid_filter_str = top->record_opts.target.uid_str; - perf_evlist__tui_browse_hists(top->evlist, help, &hbt, + perf_evlist__tui_browse_hists(top->evlist, help, &hbt, top->min_percent, &top->session->header.env); done = 1; @@ -794,7 +791,7 @@ static void perf_event__process_sample(struct perf_tool *tool, return; } - if (top->sort_has_symbols) + if (sort__has_sym) perf_top__record_precise_ip(top, he, evsel->idx, ip); } @@ -912,9 +909,9 @@ out_err: return -1; } -static int perf_top__setup_sample_type(struct perf_top *top) +static int perf_top__setup_sample_type(struct perf_top *top __maybe_unused) { - if (!top->sort_has_symbols) { + if (!sort__has_sym) { if (symbol_conf.use_callchain) { ui__error("Selected -g but \"sym\" not present in --sort/-s."); return -EINVAL; @@ -1025,6 +1022,16 @@ parse_callchain_opt(const struct option *opt, const char *arg, int unset) return record_parse_callchain_opt(opt, arg, unset); } +static int +parse_percent_limit(const struct option *opt, const char *arg, + int unset __maybe_unused) +{ + struct perf_top *top = opt->value; + + top->min_percent = strtof(arg, NULL); + return 0; +} + int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused) { int status; @@ -1110,6 +1117,8 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused) OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style", "Specify disassembler style (e.g. -M intel for intel syntax)"), OPT_STRING('u', "uid", &target->uid_str, "user", "user to profile"), + OPT_CALLBACK(0, "percent-limit", &top, "percent", + "Don't show entries under that percent", parse_percent_limit), OPT_END() }; const char * const top_usage[] = { @@ -1133,6 +1142,9 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused) if (setup_sorting() < 0) usage_with_options(top_usage, options); + /* display thread wants entries to be collapsed in a different tree */ + sort__need_collapse = 1; + if (top.use_stdio) use_browser = 0; else if (top.use_tui) @@ -1200,15 +1212,7 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused) if (symbol__init() < 0) return -1; - sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout); - sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout); - sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout); - - /* - * Avoid annotation data structures overhead when symbols aren't on the - * sort list. - */ - top.sort_has_symbols = sort_sym.list.next != NULL; + sort__setup_elide(stdout); get_term_dimensions(&top.winsize); if (top.print_entries == 0) { |