void
os_allstop(void)
{
if (perf_profiling_started()) {
profiling_stop();
}
if (perf_ll_started()) {
ll_stop();
}
if (perf_pqos_cmt_started()) {
proc_pqos_func(NULL, os_pqos_cmt_proc_free);
}
if (perf_uncore_started()) {
uncore_stop_all();
}
}
/* ARGSUSED */
int
os_preop_switch2profiling(cmd_t *cmd, boolean_t *smpl)
{
*smpl = B_FALSE;
if (!perf_profiling_started()) {
perf_allstop();
if (perf_profiling_start() != 0) {
return (-1);
}
*smpl = B_TRUE;
}
if (perf_pqos_cmt_started()) {
perf_pqos_cmt_stop(0, 0);
*smpl = B_TRUE;
}
return (0);
}
/* ARGSUSED */
int
os_profiling_start(perf_ctl_t *ctl, perf_task_t *task)
{
if (perf_profiling_started()) {
perf_status_set(PERF_STATUS_PROFILING_STARTED);
debug_print(NULL, 2, "profiling started yet\n");
return (0);
}
os_allstop();
proc_ll_clear(NULL);
if (profiling_start(ctl, (task_profiling_t *)(task)) != 0) {
exit_msg_put("Fail to setup perf (probably permission denied)!\n");
debug_print(NULL, 2, "os_profiling_start failed\n");
perf_status_set(PERF_STATUS_PROFILING_FAILED);
return (-1);
}
debug_print(NULL, 2, "os_profiling_start success\n");
perf_status_set(PERF_STATUS_PROFILING_STARTED);
return (0);
}