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[Qemu-devel] [PATCH 1/7] trace: Add event "guest_bbl_before"
From: |
Lluís Vilanova |
Subject: |
[Qemu-devel] [PATCH 1/7] trace: Add event "guest_bbl_before" |
Date: |
Sun, 10 Sep 2017 19:15:09 +0300 |
User-agent: |
StGit/0.18 |
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).
#