diff options
Diffstat (limited to 'tools/perf/builtin-top.c')
| -rw-r--r-- | tools/perf/builtin-top.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 214fad747b04..8e29e0cc8626 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -1257,7 +1257,14 @@ int cmd_top(int argc, const char **argv) .uses_mmap = true, }, .proc_map_timeout = 500, - .overwrite = 1, + /* + * FIXME: This will lose PERF_RECORD_MMAP and other metadata + * when we pause, fix that and reenable. Probably using a + * separate evlist with a dummy event, i.e. a non-overwrite + * ring buffer just for metadata events, while PERF_RECORD_SAMPLE + * stays in overwrite mode. -acme + * */ + .overwrite = 0, }, .max_stack = sysctl__max_stack(), .annotation_opts = annotation__default_options, @@ -1373,7 +1380,7 @@ int cmd_top(int argc, const char **argv) OPT_BOOLEAN(0, "hierarchy", &symbol_conf.report_hierarchy, "Show entries in a hierarchy"), OPT_BOOLEAN(0, "overwrite", &top.record_opts.overwrite, - "Use a backward ring buffer, default: yes"), + "Use a backward ring buffer, default: no"), OPT_BOOLEAN(0, "force", &symbol_conf.force, "don't complain, do it"), OPT_UINTEGER(0, "num-thread-synthesize", &top.nr_threads_synthesize, "number of thread to run event synthesize"), |