misc/cpu-trace/intel-pm.c

215 static void ipm_free_buffers_for_trace(ipm_per_trace_state_t* per_trace, uint32_t num_allocated) {
217     assert(per_trace->buffers);
218     assert(num_allocated <= per_trace->num_buffers);
220         io_buffer_release(&per_trace->buffers[i]);
221     free(per_trace->buffers);
222     per_trace->buffers = NULL;
341     ipm_per_trace_state_t* per_trace = calloc(1, sizeof(ipm->per_trace_state[0]));
342     if (!per_trace) {
347     per_trace->buffers = calloc(num_cpus, sizeof(per_trace->buffers[0]));
348     if (!per_trace->buffers) {
349         free(per_trace);
357             io_buffer_init(&per_trace->buffers[i], dev->bti, alloc.buffer_size, IO_BUFFER_RW);
362         ipm_free_buffers_for_trace(per_trace, i);
363         free(per_trace);
368     per_trace->num_buffers = alloc.num_buffers;
369     per_trace->buffer_size = alloc.buffer_size;
370     ipm->per_trace_state = per_trace;
384     ipm_per_trace_state_t* per_trace = ipm->per_trace_state;
385     ipm_free_buffers_for_trace(per_trace, per_trace->num_buffers);
386     free(per_trace);
429     const ipm_per_trace_state_t* per_trace = ipm->per_trace_state;
431     if (req.descriptor >= per_trace->num_buffers)
434     zx_status_t status = zx_handle_duplicate(per_trace->buffers[req.descriptor].vmo_handle, ZX_RIGHT_SAME_RIGHTS, &h);
649     ipm_per_trace_state_t* per_trace = ipm->per_trace_state;
650     per_trace->configured = false;
658     zx_x86_ipm_config_t* ocfg = &per_trace->config;
749     if (per_trace->config.global_ctrl == 0) {
755     per_trace->ioctl_config = *icfg;
756     per_trace->configured = true;
769     const ipm_per_trace_state_t* per_trace = ipm->per_trace_state;
770     if (!per_trace->configured)
773     const cpuperf_config_t* config = &per_trace->ioctl_config;
791     ipm_per_trace_state_t* per_trace = ipm->per_trace_state;
792     if (!per_trace->configured)
798            __func__, per_trace->config.global_ctrl,
799            per_trace->config.fixed_ctrl);
801     // |per_trace->configured| should not have been set if there's nothing
803     assert(per_trace->config.global_ctrl != 0);
816         io_buffer_t* io_buffer = &per_trace->buffers[cpu];
827                                &per_trace->config, sizeof(per_trace->config));