new file mode 100644
@@ -0,0 +1,186 @@
+/*
+ * Copyright (C) 2023, Pierrick Bouvier <pierrick.bouvier@linaro.org>
+ *
+ * Demonstrates and tests usage of inline ops.
+ *
+ * License: GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include <glib.h>
+#include <stdint.h>
+#include <stdio.h>
+
+#include <qemu-plugin.h>
+
+typedef struct {
+ uint64_t count_tb;
+ uint64_t count_tb_inline;
+ uint64_t count_insn;
+ uint64_t count_insn_inline;
+ uint64_t count_mem;
+ uint64_t count_mem_inline;
+} CPUCount;
+
+static struct qemu_plugin_scoreboard *counts;
+static qemu_plugin_u64 count_tb;
+static qemu_plugin_u64 count_tb_inline;
+static qemu_plugin_u64 count_insn;
+static qemu_plugin_u64 count_insn_inline;
+static qemu_plugin_u64 count_mem;
+static qemu_plugin_u64 count_mem_inline;
+
+static uint64_t global_count_tb;
+static uint64_t global_count_insn;
+static uint64_t global_count_mem;
+static unsigned int max_cpu_index;
+static GMutex tb_lock;
+static GMutex insn_lock;
+static GMutex mem_lock;
+
+QEMU_PLUGIN_EXPORT int qemu_plugin_version = QEMU_PLUGIN_VERSION;
+
+static void stats_insn(void)
+{
+ const uint64_t expected = global_count_insn;
+ const uint64_t per_vcpu = qemu_plugin_u64_sum(count_insn);
+ const uint64_t inl_per_vcpu =
+ qemu_plugin_u64_sum(count_insn_inline);
+ printf("insn: %" PRIu64 "\n", expected);
+ printf("insn: %" PRIu64 " (per vcpu)\n", per_vcpu);
+ printf("insn: %" PRIu64 " (per vcpu inline)\n", inl_per_vcpu);
+ g_assert(expected > 0);
+ g_assert(per_vcpu == expected);
+ g_assert(inl_per_vcpu == expected);
+}
+
+static void stats_tb(void)
+{
+ const uint64_t expected = global_count_tb;
+ const uint64_t per_vcpu = qemu_plugin_u64_sum(count_tb);
+ const uint64_t inl_per_vcpu =
+ qemu_plugin_u64_sum(count_tb_inline);
+ printf("tb: %" PRIu64 "\n", expected);
+ printf("tb: %" PRIu64 " (per vcpu)\n", per_vcpu);
+ printf("tb: %" PRIu64 " (per vcpu inline)\n", inl_per_vcpu);
+ g_assert(expected > 0);
+ g_assert(per_vcpu == expected);
+ g_assert(inl_per_vcpu == expected);
+}
+
+static void stats_mem(void)
+{
+ const uint64_t expected = global_count_mem;
+ const uint64_t per_vcpu = qemu_plugin_u64_sum(count_mem);
+ const uint64_t inl_per_vcpu =
+ qemu_plugin_u64_sum(count_mem_inline);
+ printf("mem: %" PRIu64 "\n", expected);
+ printf("mem: %" PRIu64 " (per vcpu)\n", per_vcpu);
+ printf("mem: %" PRIu64 " (per vcpu inline)\n", inl_per_vcpu);
+ g_assert(expected > 0);
+ g_assert(per_vcpu == expected);
+ g_assert(inl_per_vcpu == expected);
+}
+
+static void plugin_exit(qemu_plugin_id_t id, void *udata)
+{
+ const unsigned int num_cpus = qemu_plugin_num_vcpus();
+ g_assert(num_cpus == max_cpu_index + 1);
+
+ for (int i = 0; i < num_cpus ; ++i) {
+ const uint64_t tb = qemu_plugin_u64_get(count_tb, i);
+ const uint64_t tb_inline = qemu_plugin_u64_get(count_tb_inline, i);
+ const uint64_t insn = qemu_plugin_u64_get(count_insn, i);
+ const uint64_t insn_inline = qemu_plugin_u64_get(count_insn_inline, i);
+ const uint64_t mem = qemu_plugin_u64_get(count_mem, i);
+ const uint64_t mem_inline = qemu_plugin_u64_get(count_mem_inline, i);
+ printf("cpu %d: tb (%" PRIu64 ", %" PRIu64 ") | "
+ "insn (%" PRIu64 ", %" PRIu64 ") | "
+ "mem (%" PRIu64 ", %" PRIu64 ")"
+ "\n",
+ i, tb, tb_inline, insn, insn_inline, mem, mem_inline);
+ g_assert(tb == tb_inline);
+ g_assert(insn == insn_inline);
+ g_assert(mem == mem_inline);
+ }
+
+ stats_tb();
+ stats_insn();
+ stats_mem();
+
+ qemu_plugin_scoreboard_free(counts);
+}
+
+static void vcpu_tb_exec(unsigned int cpu_index, void *udata)
+{
+ qemu_plugin_u64_add(count_tb, cpu_index, 1);
+ g_mutex_lock(&tb_lock);
+ max_cpu_index = MAX(max_cpu_index, cpu_index);
+ global_count_tb++;
+ g_mutex_unlock(&tb_lock);
+}
+
+static void vcpu_insn_exec(unsigned int cpu_index, void *udata)
+{
+ qemu_plugin_u64_add(count_insn, cpu_index, 1);
+ g_mutex_lock(&insn_lock);
+ global_count_insn++;
+ g_mutex_unlock(&insn_lock);
+}
+
+static void vcpu_mem_access(unsigned int cpu_index,
+ qemu_plugin_meminfo_t info,
+ uint64_t vaddr,
+ void *userdata)
+{
+ qemu_plugin_u64_add(count_mem, cpu_index, 1);
+ g_mutex_lock(&mem_lock);
+ global_count_mem++;
+ g_mutex_unlock(&mem_lock);
+}
+
+static void vcpu_tb_trans(qemu_plugin_id_t id, struct qemu_plugin_tb *tb)
+{
+ qemu_plugin_register_vcpu_tb_exec_cb(
+ tb, vcpu_tb_exec, QEMU_PLUGIN_CB_NO_REGS, 0);
+ qemu_plugin_register_vcpu_tb_exec_inline_per_vcpu(
+ tb, QEMU_PLUGIN_INLINE_ADD_U64, count_tb_inline, 1);
+
+ for (int idx = 0; idx < qemu_plugin_tb_n_insns(tb); ++idx) {
+ struct qemu_plugin_insn *insn = qemu_plugin_tb_get_insn(tb, idx);
+ qemu_plugin_register_vcpu_insn_exec_cb(
+ insn, vcpu_insn_exec, QEMU_PLUGIN_CB_NO_REGS, 0);
+ qemu_plugin_register_vcpu_insn_exec_inline_per_vcpu(
+ insn, QEMU_PLUGIN_INLINE_ADD_U64, count_insn_inline, 1);
+ qemu_plugin_register_vcpu_mem_cb(insn, &vcpu_mem_access,
+ QEMU_PLUGIN_CB_NO_REGS,
+ QEMU_PLUGIN_MEM_RW, 0);
+ qemu_plugin_register_vcpu_mem_inline_per_vcpu(
+ insn, QEMU_PLUGIN_MEM_RW,
+ QEMU_PLUGIN_INLINE_ADD_U64,
+ count_mem_inline, 1);
+ }
+}
+
+QEMU_PLUGIN_EXPORT
+int qemu_plugin_install(qemu_plugin_id_t id, const qemu_info_t *info,
+ int argc, char **argv)
+{
+ counts = qemu_plugin_scoreboard_new(sizeof(CPUCount));
+ count_tb = qemu_plugin_scoreboard_u64_in_struct(
+ counts, CPUCount, count_tb);
+ count_insn = qemu_plugin_scoreboard_u64_in_struct(
+ counts, CPUCount, count_insn);
+ count_mem = qemu_plugin_scoreboard_u64_in_struct(
+ counts, CPUCount, count_mem);
+ count_tb_inline = qemu_plugin_scoreboard_u64_in_struct(
+ counts, CPUCount, count_tb_inline);
+ count_insn_inline = qemu_plugin_scoreboard_u64_in_struct(
+ counts, CPUCount, count_insn_inline);
+ count_mem_inline = qemu_plugin_scoreboard_u64_in_struct(
+ counts, CPUCount, count_mem_inline);
+ qemu_plugin_register_vcpu_tb_trans_cb(id, vcpu_tb_trans);
+ qemu_plugin_register_atexit_cb(id, plugin_exit, NULL);
+
+ return 0;
+}
@@ -1,6 +1,6 @@
t = []
if get_option('plugins')
- foreach i : ['bb', 'empty', 'insn', 'mem', 'syscall']
+ foreach i : ['bb', 'empty', 'inline', 'insn', 'mem', 'syscall']
if host_os == 'windows'
t += shared_module(i, files(i + '.c') + '../../contrib/plugins/win32_linker.c',
include_directories: '../../include/qemu',