671f760b93
Pass arguments with -plugin=libfoo.so,arg=bar,arg=baz Signed-off-by: Emilio G. Cota <cota@braap.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
/*
|
|
* 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>
|
|
|
|
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;
|
|
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;
|
|
}
|