const unsigned char *buf;
size_t len;
bool return_compression;
+ bool branch_enable;
bool mtc_insn;
bool pge;
bool have_tma;
decoder->pgd_ip = params->pgd_ip;
decoder->data = params->data;
decoder->return_compression = params->return_compression;
+ decoder->branch_enable = params->branch_enable;
decoder->period = params->period;
decoder->period_type = params->period_type;
break;
}
intel_pt_set_last_ip(decoder);
+ if (!decoder->branch_enable) {
+ decoder->ip = decoder->last_ip;
+ break;
+ }
err = intel_pt_walk_fup(decoder);
if (err != -EAGAIN) {
if (err)
decoder->set_fup_tx_flags = false;
+ if (!decoder->branch_enable) {
+ decoder->pkt_state = INTEL_PT_STATE_IN_SYNC;
+ decoder->overflow = false;
+ decoder->state.type = 0; /* Do not have a sample */
+ return 0;
+ }
+
intel_pt_log("Scanning for full IP\n");
err = intel_pt_walk_to_ip(decoder);
if (err)
return true;
}
+static bool intel_pt_branch_enable(struct intel_pt *pt)
+{
+ struct perf_evsel *evsel;
+ u64 config;
+
+ evlist__for_each_entry(pt->session->evlist, evsel) {
+ if (intel_pt_get_config(pt, &evsel->attr, &config) &&
+ (config & 1) && !(config & 0x2000))
+ return false;
+ }
+ return true;
+}
+
static unsigned int intel_pt_mtc_period(struct intel_pt *pt)
{
struct perf_evsel *evsel;
params.walk_insn = intel_pt_walk_next_insn;
params.data = ptq;
params.return_compression = intel_pt_return_compression(pt);
+ params.branch_enable = intel_pt_branch_enable(pt);
params.max_non_turbo_ratio = pt->max_non_turbo_ratio;
params.mtc_period = intel_pt_mtc_period(pt);
params.tsc_ctc_ratio_n = pt->tsc_ctc_ratio_n;