diff options
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/util/intel-pt-decoder/intel-pt-decoder.c | 34 |
1 files changed, 23 insertions, 11 deletions
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c index d404bed7003a..58f6a9ceb590 100644 --- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c +++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c @@ -1165,7 +1165,7 @@ static int intel_pt_walk_tip(struct intel_pt_decoder *decoder) decoder->pge = false; decoder->continuous_period = false; decoder->pkt_state = INTEL_PT_STATE_IN_SYNC; - decoder->state.to_ip = 0; + decoder->state.type |= INTEL_PT_TRACE_END; return 0; } if (err == INTEL_PT_RETURN) @@ -1179,9 +1179,13 @@ static int intel_pt_walk_tip(struct intel_pt_decoder *decoder) decoder->continuous_period = false; decoder->pkt_state = INTEL_PT_STATE_IN_SYNC; decoder->state.from_ip = decoder->ip; - decoder->state.to_ip = 0; - if (decoder->packet.count != 0) + if (decoder->packet.count == 0) { + decoder->state.to_ip = 0; + } else { + decoder->state.to_ip = decoder->last_ip; decoder->ip = decoder->last_ip; + } + decoder->state.type |= INTEL_PT_TRACE_END; } else { decoder->pkt_state = INTEL_PT_STATE_IN_SYNC; decoder->state.from_ip = decoder->ip; @@ -1208,7 +1212,8 @@ static int intel_pt_walk_tip(struct intel_pt_decoder *decoder) decoder->pkt_state = INTEL_PT_STATE_IN_SYNC; decoder->ip = to_ip; decoder->state.from_ip = decoder->ip; - decoder->state.to_ip = 0; + decoder->state.to_ip = to_ip; + decoder->state.type |= INTEL_PT_TRACE_END; return 0; } intel_pt_log_at("ERROR: Conditional branch when expecting indirect branch", @@ -1640,14 +1645,15 @@ static int intel_pt_walk_fup_tip(struct intel_pt_decoder *decoder) case INTEL_PT_TIP_PGD: decoder->state.from_ip = decoder->ip; - decoder->state.to_ip = 0; - if (decoder->packet.count != 0) { + if (decoder->packet.count == 0) { + decoder->state.to_ip = 0; + } else { intel_pt_set_ip(decoder); - intel_pt_log("Omitting PGD ip " x64_fmt "\n", - decoder->ip); + decoder->state.to_ip = decoder->ip; } decoder->pge = false; decoder->continuous_period = false; + decoder->state.type |= INTEL_PT_TRACE_END; return 0; case INTEL_PT_TIP_PGE: @@ -1661,6 +1667,7 @@ static int intel_pt_walk_fup_tip(struct intel_pt_decoder *decoder) intel_pt_set_ip(decoder); decoder->state.to_ip = decoder->ip; } + decoder->state.type |= INTEL_PT_TRACE_BEGIN; return 0; case INTEL_PT_TIP: @@ -1739,6 +1746,7 @@ next: intel_pt_set_ip(decoder); decoder->state.from_ip = 0; decoder->state.to_ip = decoder->ip; + decoder->state.type |= INTEL_PT_TRACE_BEGIN; return 0; } @@ -2077,9 +2085,13 @@ static int intel_pt_walk_to_ip(struct intel_pt_decoder *decoder) decoder->pge = decoder->packet.type != INTEL_PT_TIP_PGD; if (intel_pt_have_ip(decoder)) intel_pt_set_ip(decoder); - if (decoder->ip) - return 0; - break; + if (!decoder->ip) + break; + if (decoder->packet.type == INTEL_PT_TIP_PGE) + decoder->state.type |= INTEL_PT_TRACE_BEGIN; + if (decoder->packet.type == INTEL_PT_TIP_PGD) + decoder->state.type |= INTEL_PT_TRACE_END; + return 0; case INTEL_PT_FUP: if (intel_pt_have_ip(decoder)) |