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-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.h21
1 files changed, 20 insertions, 1 deletions
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.h b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.h
index a7aefaa08588..17ca9b56d72f 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.h
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-pkt-decoder.h
@@ -50,6 +50,10 @@ enum intel_pt_pkt_type {
INTEL_PT_MWAIT,
INTEL_PT_PWRE,
INTEL_PT_PWRX,
+ INTEL_PT_BBP,
+ INTEL_PT_BIP,
+ INTEL_PT_BEP,
+ INTEL_PT_BEP_IP,
};
struct intel_pt_pkt {
@@ -58,10 +62,25 @@ struct intel_pt_pkt {
uint64_t payload;
};
+/*
+ * Decoding of BIP packets conflicts with single-byte TNT packets. Since BIP
+ * packets only occur in the context of a block (i.e. between BBP and BEP), that
+ * context must be recorded and passed to the packet decoder.
+ */
+enum intel_pt_pkt_ctx {
+ INTEL_PT_NO_CTX, /* BIP packets are invalid */
+ INTEL_PT_BLK_4_CTX, /* 4-byte BIP packets */
+ INTEL_PT_BLK_8_CTX, /* 8-byte BIP packets */
+};
+
const char *intel_pt_pkt_name(enum intel_pt_pkt_type);
int intel_pt_get_packet(const unsigned char *buf, size_t len,
- struct intel_pt_pkt *packet);
+ struct intel_pt_pkt *packet,
+ enum intel_pt_pkt_ctx *ctx);
+
+void intel_pt_upd_pkt_ctx(const struct intel_pt_pkt *packet,
+ enum intel_pt_pkt_ctx *ctx);
int intel_pt_pkt_desc(const struct intel_pt_pkt *packet, char *buf, size_t len);