diff options
Diffstat (limited to 'tools/perf/builtin-report.c')
-rw-r--r-- | tools/perf/builtin-report.c | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index ed1fdab..cdd46ab 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -37,6 +37,7 @@ static char *dso_list_str, *comm_list_str, *sym_list_str, static struct strlist *dso_list, *comm_list, *sym_list; static char *field_sep; +static int force; static int input; static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV; @@ -665,6 +666,27 @@ static void dso__calc_col_width(struct dso *self) self->slen_calculated = 1; } +static int thread__set_comm_adjust(struct thread *self, const char *comm) +{ + int ret = thread__set_comm(self, comm); + + if (ret) + return ret; + + if (!col_width_list_str && !field_sep && + (!comm_list || strlist__has_entry(comm_list, comm))) { + unsigned int slen = strlen(comm); + + if (slen > comms__col_width) { + comms__col_width = slen; + threads__col_width = slen + 6; + } + } + + return 0; +} + + static struct symbol * resolve_symbol(struct thread *thread, struct map **mapp, struct dso **dsop, u64 *ipp) @@ -1056,7 +1078,7 @@ static void register_idle_thread(void) struct thread *thread = threads__findnew(0, &threads, &last_match); if (thread == NULL || - thread__set_comm(thread, "[idle]")) { + thread__set_comm_adjust(thread, "[idle]")) { fprintf(stderr, "problem inserting idle task.\n"); exit(-1); } @@ -1226,7 +1248,7 @@ process_comm_event(event_t *event, unsigned long offset, unsigned long head) event->comm.comm, event->comm.pid); if (thread == NULL || - thread__set_comm(thread, event->comm.comm)) { + thread__set_comm_adjust(thread, event->comm.comm)) { dump_printf("problem processing PERF_EVENT_COMM, skipping event.\n"); return -1; } @@ -1383,6 +1405,11 @@ static int __cmd_report(void) exit(-1); } + if (!force && input_stat.st_uid && (input_stat.st_uid != geteuid())) { + fprintf(stderr, "file: %s not owned by current user or root\n", input_name); + exit(-1); + } + if (!input_stat.st_size) { fprintf(stderr, "zero-sized file, nothing to do!\n"); exit(0); @@ -1594,6 +1621,7 @@ static const struct option options[] = { OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, "dump raw trace in ASCII"), OPT_STRING('k', "vmlinux", &vmlinux_name, "file", "vmlinux pathname"), + OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), OPT_BOOLEAN('m', "modules", &modules, "load module symbols - WARNING: use only with -k and LIVE kernel"), OPT_BOOLEAN('n', "show-nr-samples", &show_nr_samples, |