diff options
Diffstat (limited to 'tools/perf/util/intel-pt.c')
| -rw-r--r-- | tools/perf/util/intel-pt.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c index d76e4b865cb0..ec43d364d0de 100644 --- a/tools/perf/util/intel-pt.c +++ b/tools/perf/util/intel-pt.c @@ -50,6 +50,7 @@ #define INTEL_PT_CFG_PWR_EVT_EN BIT_ULL(4) #define INTEL_PT_CFG_BRANCH_EN BIT_ULL(13) #define INTEL_PT_CFG_EVT_EN BIT_ULL(31) +#define INTEL_PT_CFG_TNT_DIS BIT_ULL(55) struct range { u64 start; @@ -972,6 +973,19 @@ static bool intel_pt_branch_enable(struct intel_pt *pt) return true; } +static bool intel_pt_disabled_tnt(struct intel_pt *pt) +{ + struct evsel *evsel; + u64 config; + + evlist__for_each_entry(pt->session->evlist, evsel) { + if (intel_pt_get_config(pt, &evsel->core.attr, &config) && + config & INTEL_PT_CFG_TNT_DIS) + return true; + } + return false; +} + static unsigned int intel_pt_mtc_period(struct intel_pt *pt) { struct evsel *evsel; @@ -1227,6 +1241,10 @@ static struct intel_pt_queue *intel_pt_alloc_queue(struct intel_pt *pt, params.first_timestamp = pt->first_timestamp; params.max_loops = pt->max_loops; + /* Cannot walk code without TNT, so force 'quick' mode */ + if (params.branch_enable && intel_pt_disabled_tnt(pt) && !params.quick) + params.quick = 1; + if (pt->filts.cnt > 0) params.pgd_ip = intel_pt_pgd_ip; |