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-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-decoder.c34
-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-decoder.h2
2 files changed, 25 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))
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.h b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.h
index 51c18d67f4ca..ed088d4726ba 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.h
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.h
@@ -37,6 +37,8 @@ enum intel_pt_sample_type {
INTEL_PT_EX_STOP = 1 << 6,
INTEL_PT_PWR_EXIT = 1 << 7,
INTEL_PT_CBR_CHG = 1 << 8,
+ INTEL_PT_TRACE_BEGIN = 1 << 9,
+ INTEL_PT_TRACE_END = 1 << 10,
};
enum intel_pt_period_type {