[Qemu-devel] [PATCH 2/7] trace: Add event "guest_inst_before"

[Lluís Vilanova]

Signed-off-by: Lluís Vilanova <address@hidden>
---
 accel/tcg/translator.c |    3 +++
 trace-events           |    8 ++++++++
 2 files changed, 11 insertions(+)

diff --git a/accel/tcg/translator.c b/accel/tcg/translator.c
index 91b3b0da32..287d27b4f7 100644
--- a/accel/tcg/translator.c
+++ b/accel/tcg/translator.c
@@ -69,6 +69,8 @@ void translator_loop(const TranslatorOps *ops, 
DisasContextBase *db,
     tcg_debug_assert(db->is_jmp == DISAS_NEXT);  /* no early exit */
 
     while (true) {
+        target_ulong pc_insn = db->pc_next;
+
         db->num_insns++;
         ops->insn_start(db, cpu);
         tcg_debug_assert(db->is_jmp == DISAS_NEXT);  /* no early exit */
@@ -96,6 +98,7 @@ void translator_loop(const TranslatorOps *ops, 
DisasContextBase *db,
         if (db->num_insns == 1) {
             trace_guest_bbl_before_tcg(cpu, tcg_ctx.tcg_env, db->pc_first);
         }
+        trace_guest_inst_before_tcg(cpu, tcg_ctx.tcg_env, pc_insn);
 
         /* Disassemble one instruction.  The translate_insn hook should
            update db->pc_next and db->is_jmp to indicate what should be
diff --git a/trace-events b/trace-events
index d242f54254..46457c6158 100644
--- a/trace-events
+++ b/trace-events
@@ -99,6 +99,14 @@ vcpu guest_cpu_reset(void)
 # Targets: TCG(all)
 vcpu tcg guest_bbl_before(uint64_t vaddr) "vaddr=0x%016"PRIx64, 
"vaddr=0x%016"PRIx64
 
+# @vaddr: Instruction's virtual address
+#
+# Mark start of instruction execution (before anything gets really executed).
+#
+# Mode: user, softmmu
+# Targets: TCG(all)
+vcpu tcg guest_inst_before(uint64_t vaddr) "vaddr=0x%016"PRIx64, 
"vaddr=0x%016"PRIx64
+
 # @vaddr: Access' virtual address.
 # @info : Access' information (see below).
 #