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-rw-r--r--include/qemu/qemu-plugin.h12
1 files changed, 11 insertions, 1 deletions
diff --git a/include/qemu/qemu-plugin.h b/include/qemu/qemu-plugin.h
index 272d240a8f..a3805bb299 100644
--- a/include/qemu/qemu-plugin.h
+++ b/include/qemu/qemu-plugin.h
@@ -269,6 +269,14 @@ void qemu_plugin_register_vcpu_tb_exec_cb(struct qemu_plugin_tb *tb,
enum qemu_plugin_cb_flags flags,
void *userdata);
+/**
+ * enum qemu_plugin_op - describes an inline op
+ *
+ * @QEMU_PLUGIN_INLINE_ADD_U64: add an immediate value uint64_t
+ *
+ * Note: currently only a single inline op is supported.
+ */
+
enum qemu_plugin_op {
QEMU_PLUGIN_INLINE_ADD_U64,
};
@@ -283,6 +291,9 @@ enum qemu_plugin_op {
* Insert an inline op to every time a translated unit executes.
* Useful if you just want to increment a single counter somewhere in
* memory.
+ *
+ * Note: ops are not atomic so in multi-threaded/multi-smp situations
+ * you will get inexact results.
*/
void qemu_plugin_register_vcpu_tb_exec_inline(struct qemu_plugin_tb *tb,
enum qemu_plugin_op op,
@@ -305,7 +316,6 @@ void qemu_plugin_register_vcpu_insn_exec_cb(struct qemu_plugin_insn *insn,
/**
* qemu_plugin_register_vcpu_insn_exec_inline() - insn execution inline op
* @insn: the opaque qemu_plugin_insn handle for an instruction
- * @cb: callback function
* @op: the type of qemu_plugin_op (e.g. ADD_U64)
* @ptr: the target memory location for the op
* @imm: the op data (e.g. 1)