| /* |
| * Copyright (C) 2018, Emilio G. Cota <cota@braap.org> |
| * |
| * License: GNU GPL, version 2 or later. |
| * See the COPYING file in the top-level directory. |
| */ |
| #include <inttypes.h> |
| #include <assert.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <unistd.h> |
| #include <stdio.h> |
| #include <glib.h> |
| |
| #include <qemu-plugin.h> |
| |
| QEMU_PLUGIN_EXPORT int qemu_plugin_version = QEMU_PLUGIN_VERSION; |
| |
| static uint64_t bb_count; |
| static uint64_t insn_count; |
| static bool do_inline; |
| |
| static void plugin_exit(qemu_plugin_id_t id, void *p) |
| { |
| g_autofree gchar *out = g_strdup_printf( |
| "bb's: %" PRIu64", insns: %" PRIu64 "\n", |
| bb_count, insn_count); |
| qemu_plugin_outs(out); |
| } |
| |
| static void vcpu_tb_exec(unsigned int cpu_index, void *udata) |
| { |
| unsigned long n_insns = (unsigned long)udata; |
| |
| insn_count += n_insns; |
| bb_count++; |
| } |
| |
| static void vcpu_tb_trans(qemu_plugin_id_t id, struct qemu_plugin_tb *tb) |
| { |
| unsigned long n_insns = qemu_plugin_tb_n_insns(tb); |
| |
| if (do_inline) { |
| qemu_plugin_register_vcpu_tb_exec_inline(tb, QEMU_PLUGIN_INLINE_ADD_U64, |
| &bb_count, 1); |
| qemu_plugin_register_vcpu_tb_exec_inline(tb, QEMU_PLUGIN_INLINE_ADD_U64, |
| &insn_count, n_insns); |
| } else { |
| qemu_plugin_register_vcpu_tb_exec_cb(tb, vcpu_tb_exec, |
| QEMU_PLUGIN_CB_NO_REGS, |
| (void *)n_insns); |
| } |
| } |
| |
| QEMU_PLUGIN_EXPORT int qemu_plugin_install(qemu_plugin_id_t id, |
| const qemu_info_t *info, |
| int argc, char **argv) |
| { |
| if (argc && strcmp(argv[0], "inline") == 0) { |
| do_inline = true; |
| } |
| |
| qemu_plugin_register_vcpu_tb_trans_cb(id, vcpu_tb_trans); |
| qemu_plugin_register_atexit_cb(id, plugin_exit, NULL); |
| return 0; |
| } |