diff options
Diffstat (limited to 'tools/perf/builtin-annotate.c')
| -rw-r--r-- | tools/perf/builtin-annotate.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 96d421f7161d..4ac618b34254 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -28,6 +28,7 @@ static char const *input_name = "perf.data"; static char default_sort_order[] = "comm,symbol"; static char *sort_order = default_sort_order; +static int force; static int input; static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV; @@ -629,6 +630,13 @@ process_fork_event(event_t *event, unsigned long offset, unsigned long head) (void *)(long)(event->header.size), event->fork.pid, event->fork.ppid); + /* + * A thread clone will have the same PID for both + * parent and child. + */ + if (thread == parent) + return 0; + if (!thread || !parent || thread__fork(thread, parent)) { dump_printf("problem processing PERF_EVENT_FORK, skipping event.\n"); return -1; @@ -976,6 +984,11 @@ static int __cmd_annotate(void) exit(-1); } + if (!force && (input_stat.st_uid != geteuid())) { + fprintf(stderr, "file: %s not owned by current user\n", input_name); + exit(-1); + } + if (!input_stat.st_size) { fprintf(stderr, "zero-sized file, nothing to do!\n"); exit(0); @@ -1081,6 +1094,7 @@ static const struct option options[] = { "input file name"), OPT_STRING('s', "symbol", &sym_hist_filter, "symbol", "symbol to annotate"), + OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), OPT_BOOLEAN('v', "verbose", &verbose, "be more verbose (show symbol address, etc)"), OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, |