2 * Copyright (C) 2018, Emilio G. Cota <cota@braap.org>
4 * License: GNU GPL, version 2 or later.
5 * See the COPYING file in the top-level directory.
15 #include <qemu-plugin.h>
17 QEMU_PLUGIN_EXPORT
int qemu_plugin_version
= QEMU_PLUGIN_VERSION
;
19 static uint64_t mem_count
;
20 static uint64_t io_count
;
21 static bool do_inline
;
23 static enum qemu_plugin_mem_rw rw
= QEMU_PLUGIN_MEM_RW
;
25 static void plugin_exit(qemu_plugin_id_t id
, void *p
)
27 g_autoptr(GString
) out
= g_string_new("");
29 g_string_printf(out
, "mem accesses: %" PRIu64
"\n", mem_count
);
31 g_string_append_printf(out
, "io accesses: %" PRIu64
"\n", io_count
);
33 qemu_plugin_outs(out
->str
);
36 static void vcpu_mem(unsigned int cpu_index
, qemu_plugin_meminfo_t meminfo
,
37 uint64_t vaddr
, void *udata
)
40 struct qemu_plugin_hwaddr
*hwaddr
;
41 hwaddr
= qemu_plugin_get_hwaddr(meminfo
, vaddr
);
42 if (qemu_plugin_hwaddr_is_io(hwaddr
)) {
52 static void vcpu_tb_trans(qemu_plugin_id_t id
, struct qemu_plugin_tb
*tb
)
54 size_t n
= qemu_plugin_tb_n_insns(tb
);
57 for (i
= 0; i
< n
; i
++) {
58 struct qemu_plugin_insn
*insn
= qemu_plugin_tb_get_insn(tb
, i
);
61 qemu_plugin_register_vcpu_mem_inline(insn
, rw
,
62 QEMU_PLUGIN_INLINE_ADD_U64
,
65 qemu_plugin_register_vcpu_mem_cb(insn
, vcpu_mem
,
66 QEMU_PLUGIN_CB_NO_REGS
,
72 QEMU_PLUGIN_EXPORT
int qemu_plugin_install(qemu_plugin_id_t id
,
73 const qemu_info_t
*info
,
74 int argc
, char **argv
)
78 if (!strcmp(argv
[2], "haddr")) {
83 const char *str
= argv
[1];
85 if (!strcmp(str
, "r")) {
86 rw
= QEMU_PLUGIN_MEM_R
;
87 } else if (!strcmp(str
, "w")) {
88 rw
= QEMU_PLUGIN_MEM_W
;
91 if (!strcmp(argv
[0], "inline")) {
96 qemu_plugin_register_vcpu_tb_trans_cb(id
, vcpu_tb_trans
);
97 qemu_plugin_register_atexit_cb(id
, plugin_exit
, NULL
);