diff options
Diffstat (limited to 'tests/plugin/bb.c')
| -rw-r--r-- | tests/plugin/bb.c | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/tests/plugin/bb.c b/tests/plugin/bb.c deleted file mode 100644 index 36776de..0000000 --- a/tests/plugin/bb.c +++ /dev/null @@ -1,133 +0,0 @@ -/* - * 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; - -typedef struct { - uint64_t bb_count; - uint64_t insn_count; -} CPUCount; - -static struct qemu_plugin_scoreboard *counts; -static qemu_plugin_u64 bb_count; -static qemu_plugin_u64 insn_count; - -static bool do_inline; -/* Dump running CPU total on idle? */ -static bool idle_report; - -static void gen_one_cpu_report(CPUCount *count, GString *report, - unsigned int cpu_index) -{ - if (count->bb_count) { - g_string_append_printf(report, "CPU%d: " - "bb's: %" PRIu64", insns: %" PRIu64 "\n", - cpu_index, - count->bb_count, count->insn_count); - } -} - -static void plugin_exit(qemu_plugin_id_t id, void *p) -{ - g_autoptr(GString) report = g_string_new(""); - - for (int i = 0; i < qemu_plugin_num_vcpus(); ++i) { - CPUCount *count = qemu_plugin_scoreboard_find(counts, i); - gen_one_cpu_report(count, report, i); - } - g_string_append_printf(report, "Total: " - "bb's: %" PRIu64", insns: %" PRIu64 "\n", - qemu_plugin_u64_sum(bb_count), - qemu_plugin_u64_sum(insn_count)); - qemu_plugin_outs(report->str); - qemu_plugin_scoreboard_free(counts); -} - -static void vcpu_idle(qemu_plugin_id_t id, unsigned int cpu_index) -{ - CPUCount *count = qemu_plugin_scoreboard_find(counts, cpu_index); - g_autoptr(GString) report = g_string_new(""); - gen_one_cpu_report(count, report, cpu_index); - - if (report->len > 0) { - g_string_prepend(report, "Idling "); - qemu_plugin_outs(report->str); - } -} - -static void vcpu_tb_exec(unsigned int cpu_index, void *udata) -{ - CPUCount *count = qemu_plugin_scoreboard_find(counts, cpu_index); - - uintptr_t n_insns = (uintptr_t)udata; - count->insn_count += n_insns; - count->bb_count++; -} - -static void vcpu_tb_trans(qemu_plugin_id_t id, struct qemu_plugin_tb *tb) -{ - size_t n_insns = qemu_plugin_tb_n_insns(tb); - - if (do_inline) { - qemu_plugin_register_vcpu_tb_exec_inline_per_vcpu( - tb, QEMU_PLUGIN_INLINE_ADD_U64, bb_count, 1); - qemu_plugin_register_vcpu_tb_exec_inline_per_vcpu( - 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) -{ - int i; - - for (i = 0; i < argc; i++) { - char *opt = argv[i]; - g_auto(GStrv) tokens = g_strsplit(opt, "=", 2); - if (g_strcmp0(tokens[0], "inline") == 0) { - if (!qemu_plugin_bool_parse(tokens[0], tokens[1], &do_inline)) { - fprintf(stderr, "boolean argument parsing failed: %s\n", opt); - return -1; - } - } else if (g_strcmp0(tokens[0], "idle") == 0) { - if (!qemu_plugin_bool_parse(tokens[0], tokens[1], &idle_report)) { - fprintf(stderr, "boolean argument parsing failed: %s\n", opt); - return -1; - } - } else { - fprintf(stderr, "option parsing failed: %s\n", opt); - return -1; - } - } - - counts = qemu_plugin_scoreboard_new(sizeof(CPUCount)); - bb_count = qemu_plugin_scoreboard_u64_in_struct(counts, CPUCount, bb_count); - insn_count = qemu_plugin_scoreboard_u64_in_struct( - counts, CPUCount, insn_count); - - if (idle_report) { - qemu_plugin_register_vcpu_idle_cb(id, vcpu_idle); - } - - qemu_plugin_register_vcpu_tb_trans_cb(id, vcpu_tb_trans); - qemu_plugin_register_atexit_cb(id, plugin_exit, NULL); - return 0; -} |