[Qemu-devel] [PATCH 1/7] trace: Add event "guest_bbl_before"

[Lluís Vilanova]

Signed-off-by: Lluís Vilanova <address@hidden>
---
 accel/tcg/translator.c |    6 ++++++
 trace-events           |   11 +++++++++++
 2 files changed, 17 insertions(+)

diff --git a/accel/tcg/translator.c b/accel/tcg/translator.c
index afa3af478a..91b3b0da32 100644
--- a/accel/tcg/translator.c
+++ b/accel/tcg/translator.c
@@ -13,6 +13,7 @@
 #include "cpu.h"
 #include "tcg/tcg.h"
 #include "tcg/tcg-op.h"
+#include "trace-tcg.h"
 #include "exec/exec-all.h"
 #include "exec/gen-icount.h"
 #include "exec/log.h"
@@ -91,6 +92,11 @@ void translator_loop(const TranslatorOps *ops, 
DisasContextBase *db,
             }
         }
 
+        /* Tracing before */
+        if (db->num_insns == 1) {
+            trace_guest_bbl_before_tcg(cpu, tcg_ctx.tcg_env, db->pc_first);
+        }
+
         /* Disassemble one instruction.  The translate_insn hook should
            update db->pc_next and db->is_jmp to indicate what should be
            done next -- either exiting this loop or locate the start of
diff --git a/trace-events b/trace-events
index 1f50f56d9d..d242f54254 100644
--- a/trace-events
+++ b/trace-events
@@ -88,6 +88,17 @@ vcpu guest_cpu_exit(void)
 # Targets: all
 vcpu guest_cpu_reset(void)
 
+
+## Guest code
+
+# @vaddr: BBL's starting virtual address
+#
+# Mark start of BBL execution (before anything gets really executed).
+#
+# Mode: user, softmmu
+# Targets: TCG(all)
+vcpu tcg guest_bbl_before(uint64_t vaddr) "vaddr=0x%016"PRIx64, 
"vaddr=0x%016"PRIx64
+
 # @vaddr: Access' virtual address.
 # @info : Access' information (see below).
 #