diff options
Diffstat (limited to 'tools/perf/builtin-top.c')
| -rw-r--r-- | tools/perf/builtin-top.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 72d8a7ae5986..619a8696fda7 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -591,7 +591,7 @@ static void *display_thread_tui(void *arg) top->min_percent, &top->session->header.env); - if (key != CTRL('z')) + if (key != 'f') break; perf_evlist__toggle_enable(top->evlist); @@ -599,7 +599,13 @@ static void *display_thread_tui(void *arg) * No need to refresh, resort/decay histogram entries * if we are not collecting samples: */ - hbt.refresh = top->evlist->enabled ? top->delay_secs : 0; + if (top->evlist->enabled) { + hbt.refresh = top->delay_secs; + help = "Press 'f' to disable the events or 'h' to see other hotkeys"; + } else { + help = "Press 'f' again to re-enable the events"; + hbt.refresh = 0; + } } done = 1; @@ -971,7 +977,7 @@ static int __cmd_top(struct perf_top *top) goto out_delete; machine__synthesize_threads(&top->session->machines.host, &opts->target, - top->evlist->threads, false); + top->evlist->threads, false, opts->proc_map_timeout); ret = perf_top__start_counters(top); if (ret) goto out_delete; @@ -1081,6 +1087,7 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused) .target = { .uses_mmap = true, }, + .proc_map_timeout = 500, }, .max_stack = PERF_MAX_STACK_DEPTH, .sym_pcnt_filter = 5, @@ -1180,6 +1187,8 @@ int cmd_top(int argc, const char **argv, const char *prefix __maybe_unused) OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str, "width[,width...]", "don't try to adjust column width, use these fixed values"), + OPT_UINTEGER(0, "proc-map-timeout", &opts->proc_map_timeout, + "per thread proc mmap processing timeout in ms"), OPT_END() }; const char * const top_usage[] = { |