static struct perf_session *session;
static const char *cpu_list;
+static const char *progname;
static void advance_output(size_t size)
{
static volatile int done = 0;
static volatile int signr = -1;
+static volatile int child_finished = 0;
static void sig_handler(int sig)
{
+ if (sig == SIGCHLD)
+ child_finished = 1;
+
done = 1;
signr = sig;
}
static void sig_atexit(void)
{
- if (child_pid > 0)
- kill(child_pid, SIGTERM);
+ int status;
+
+ if (child_pid > 0) {
+ if (!child_finished)
+ kill(child_pid, SIGTERM);
+
+ wait(&status);
+ if (WIFSIGNALED(status))
+ psignal(WTERMSIG(status), progname);
+ }
if (signr == -1 || signr == SIGUSR1)
return;
static void open_counters(struct perf_evlist *evlist)
{
- struct perf_evsel *pos;
+ struct perf_evsel *pos, *first;
if (evlist->cpus->map[0] < 0)
no_inherit = true;
+ first = list_entry(evlist->entries.next, struct perf_evsel, node);
+
list_for_each_entry(pos, &evlist->entries, node) {
struct perf_event_attr *attr = &pos->attr;
+ struct xyarray *group_fd = NULL;
/*
* Check if parse_single_tracepoint_event has already asked for
* PERF_SAMPLE_TIME.
*/
bool time_needed = attr->sample_type & PERF_SAMPLE_TIME;
+ if (group && pos != first)
+ group_fd = first->fd;
+
config_attr(pos, evlist);
retry_sample_id:
attr->sample_id_all = sample_id_all_avail ? 1 : 0;
try_again:
- if (perf_evsel__open(pos, evlist->cpus, evlist->threads, group) < 0) {
+ if (perf_evsel__open(pos, evlist->cpus, evlist->threads, group,
+ group_fd) < 0) {
int err = errno;
if (err == EPERM || err == EACCES) {
- ui__warning_paranoid();
+ ui__error_paranoid();
exit(EXIT_FAILURE);
} else if (err == ENODEV && cpu_list) {
die("No such device - did you specify"
char buf;
struct machine *machine;
+ progname = argv[0];
+
page_size = sysconf(_SC_PAGE_SIZE);
atexit(sig_atexit);
if (have_tracepoints(&evsel_list->entries))
perf_header__set_feat(&session->header, HEADER_TRACE_INFO);
+ perf_header__set_feat(&session->header, HEADER_HOSTNAME);
+ perf_header__set_feat(&session->header, HEADER_OSRELEASE);
+ perf_header__set_feat(&session->header, HEADER_ARCH);
+ perf_header__set_feat(&session->header, HEADER_CPUDESC);
+ perf_header__set_feat(&session->header, HEADER_NRCPUS);
+ perf_header__set_feat(&session->header, HEADER_EVENT_DESC);
+ perf_header__set_feat(&session->header, HEADER_CMDLINE);
+ perf_header__set_feat(&session->header, HEADER_VERSION);
+ perf_header__set_feat(&session->header, HEADER_CPU_TOPOLOGY);
+ perf_header__set_feat(&session->header, HEADER_TOTAL_MEM);
+ perf_header__set_feat(&session->header, HEADER_NUMA_TOPOLOGY);
+ perf_header__set_feat(&session->header, HEADER_CPUID);
+
/* 512 kiB: default amount of unprivileged mlocked memory */
if (mmap_pages == UINT_MAX)
mmap_pages = (512 * 1024) / page_size;
int err = -ENOMEM;
struct perf_evsel *pos;
+ perf_header__set_cmdline(argc, argv);
+
evsel_list = perf_evlist__new(NULL, NULL);
if (evsel_list == NULL)
return -ENOMEM;