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-rw-r--r--decoder/docs/prog_guide/prog_guide_generic_pkts.md16
1 files changed, 16 insertions, 0 deletions
diff --git a/decoder/docs/prog_guide/prog_guide_generic_pkts.md b/decoder/docs/prog_guide/prog_guide_generic_pkts.md
index 4a2f5b296c09..aad15b847977 100644
--- a/decoder/docs/prog_guide/prog_guide_generic_pkts.md
+++ b/decoder/docs/prog_guide/prog_guide_generic_pkts.md
@@ -86,6 +86,8 @@ typedef struct _ocsd_generic_trace_elem {
unsync_info_t unsync_eot_info; /* additional information for unsync / end-of-trace packets. */
trace_marker_payload_t sync_marker; /* marker element - sync later element to position in stream */
trace_memtrans_t mem_trans; /* memory transaction packet - transaction event */
+ trace_sw_ite_t sw_ite; /* PE sw instrumentation using FEAT_ITE */
+
};
const void *ptr_extended_data; /* pointer to extended data buffer (data trace, sw trace payload) / custom structure */
@@ -327,6 +329,7 @@ SW trace packets that have a payload will use the extended_data flag and pointer
SW trace packets that include timestamp information will us the `has_ts` flag and fill in the timestamp value.
+These packets are generated by memory writes to STM / ITM trace hardware.
### OCSD_GEN_TRC_ELEM_SYNC_MARKER ###
__packet fields valid__: `sync_marker`
@@ -365,6 +368,19 @@ typedef enum _memtrans_t {
} trace_memtrans_t;
~~~
+### OCSD_GEN_TRC_ELEM_INSTRUMENTATION ###
+__packet fields valid__: `sw_ite`
+
+Software instrumentation packets generated by the PE `TRCIT` instruction (on cores with `FEAT_ITE`).
+
+The `sw_ite` structure has the fields defined below:-
+
+~~~{.c}
+typedef struct _sw_ite_t {
+ uint8_t el; /* exception level for PE sw instrumentation instruction */
+ uint64_t value; /* payload for PE sw instrumentation instruction */
+} trace_sw_ite_t;
+~~~
### OCSD_GEN_TRC_ELEM_CUSTOM ###
__packet fields optional__: `extended_data -> ptr_extended_data`,_any others_