perf tools: Define Intel PT iflag synthesized event

Similar to other Intel PT synth events, define a structure to hold
information about a change to the interrupt flag.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: https://lore.kernel.org/r/20220124084201.2699795-11-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 27ea7bd93df5b81185ef64cd7a2c18ef6388b2a2..9354619953e92551fa680f8ce8a2516d696db7e5 100644 (file)
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -183,6 +183,7 @@ enum perf_synth_id {
        PERF_SYNTH_INTEL_CBR,
        PERF_SYNTH_INTEL_PSB,
        PERF_SYNTH_INTEL_EVT,
+       PERF_SYNTH_INTEL_IFLAG_CHG,
 };
 
 /*
@@ -308,6 +309,18 @@ struct perf_synth_intel_evt {
        struct perf_synth_intel_evd evd[];
 };
 
+struct perf_synth_intel_iflag_chg {
+       u32 padding;
+       union {
+               struct {
+                       u32     iflag           :  1,
+                               via_branch      :  1;
+               };
+               u32     flags;
+       };
+       u64     branch_ip; /* If via_branch */
+};
+
 /*
  * raw_data is always 4 bytes from an 8-byte boundary, so subtract 4 to get
  * 8-byte alignment.