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accel/tcg: Restrict 'qapi-commands-machine.h' to system emulation 

Since commit a0e61807a3 ("qapi: Remove QMP events and commands from
user-mode builds") we don't generate the "qapi-commands-machine.h"
header in a user-emulation-only build.

Rename 'hmp.c' as 'monitor.c' and move the QMP functions from
cpu-exec.c (which is always compiled) to monitor.c (which is only
compiled when system-emulation is selected).

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20221219170806.60580-4-philmd@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
pull/232/head
Philippe Mathieu-Daudé 3 years ago
parent
1398e1b80e
commit
00c9a5c2c3
5 changed files with 112 additions and 101 deletions
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  1. 88
      accel/tcg/cpu-exec.c
  2. 14
      accel/tcg/hmp.c
  3. 3
      accel/tcg/internal.h
  4. 2
      accel/tcg/meson.build
  5. 106
      accel/tcg/monitor.c

88
accel/tcg/cpu-exec.c
View File

@ -20,7 +20,6 @@
#include "qemu/osdep.h"
#include "qemu/qemu-print.h"
#include "qapi/error.h"
#include "qapi/qapi-commands-machine.h"
#include "qapi/type-helpers.h"
#include "hw/core/tcg-cpu-ops.h"
#include "trace.h"
@ -63,8 +62,8 @@ typedef struct SyncClocks {
#define MAX_DELAY_PRINT_RATE 2000000000LL
#define MAX_NB_PRINTS 100
static int64_t max_delay;
static int64_t max_advance;
int64_t max_delay;
int64_t max_advance;
static void align_clocks(SyncClocks *sc, CPUState *cpu)
{
@ -1071,86 +1070,3 @@ void tcg_exec_unrealizefn(CPUState *cpu)
tlb_destroy(cpu);
g_free_rcu(cpu->tb_jmp_cache, rcu);
}
#ifndef CONFIG_USER_ONLY
static void dump_drift_info(GString *buf)
{
if (!icount_enabled()) {
return;
}
g_string_append_printf(buf, "Host - Guest clock %"PRIi64" ms\n",
(cpu_get_clock() - icount_get()) / SCALE_MS);
if (icount_align_option) {
g_string_append_printf(buf, "Max guest delay %"PRIi64" ms\n",
-max_delay / SCALE_MS);
g_string_append_printf(buf, "Max guest advance %"PRIi64" ms\n",
max_advance / SCALE_MS);
} else {
g_string_append_printf(buf, "Max guest delay NA\n");
g_string_append_printf(buf, "Max guest advance NA\n");
}
}
HumanReadableText *qmp_x_query_jit(Error **errp)
{
g_autoptr(GString) buf = g_string_new("");
if (!tcg_enabled()) {
error_setg(errp, "JIT information is only available with accel=tcg");
return NULL;
}
dump_exec_info(buf);
dump_drift_info(buf);
return human_readable_text_from_str(buf);
}
HumanReadableText *qmp_x_query_opcount(Error **errp)
{
g_autoptr(GString) buf = g_string_new("");
if (!tcg_enabled()) {
error_setg(errp, "Opcode count information is only available with accel=tcg");
return NULL;
}
tcg_dump_op_count(buf);
return human_readable_text_from_str(buf);
}
#ifdef CONFIG_PROFILER
int64_t dev_time;
HumanReadableText *qmp_x_query_profile(Error **errp)
{
g_autoptr(GString) buf = g_string_new("");
static int64_t last_cpu_exec_time;
int64_t cpu_exec_time;
int64_t delta;
cpu_exec_time = tcg_cpu_exec_time();
delta = cpu_exec_time - last_cpu_exec_time;
g_string_append_printf(buf, "async time %" PRId64 " (%0.3f)\n",
dev_time, dev_time / (double)NANOSECONDS_PER_SECOND);
g_string_append_printf(buf, "qemu time %" PRId64 " (%0.3f)\n",
delta, delta / (double)NANOSECONDS_PER_SECOND);
last_cpu_exec_time = cpu_exec_time;
dev_time = 0;
return human_readable_text_from_str(buf);
}
#else
HumanReadableText *qmp_x_query_profile(Error **errp)
{
error_setg(errp, "Internal profiler not compiled");
return NULL;
}
#endif
#endif /* !CONFIG_USER_ONLY */

14
accel/tcg/hmp.c
View File

@ -1,14 +0,0 @@
#include "qemu/osdep.h"
#include "qemu/error-report.h"
#include "qapi/error.h"
#include "qapi/qapi-commands-machine.h"
#include "exec/exec-all.h"
#include "monitor/monitor.h"
static void hmp_tcg_register(void)
{
monitor_register_hmp_info_hrt("jit", qmp_x_query_jit);
monitor_register_hmp_info_hrt("opcount", qmp_x_query_opcount);
}
type_init(hmp_tcg_register);

3
accel/tcg/internal.h
View File

@ -64,4 +64,7 @@ static inline target_ulong log_pc(CPUState *cpu, const TranslationBlock *tb)
#endif
}
extern int64_t max_delay;
extern int64_t max_advance;
#endif /* ACCEL_TCG_INTERNAL_H */

2
accel/tcg/meson.build
View File

@ -18,7 +18,7 @@ specific_ss.add_all(when: 'CONFIG_TCG', if_true: tcg_ss)
specific_ss.add(when: ['CONFIG_SOFTMMU', 'CONFIG_TCG'], if_true: files(
'cputlb.c',
'hmp.c',
'monitor.c',
))
tcg_module_ss.add(when: ['CONFIG_SOFTMMU', 'CONFIG_TCG'], if_true: files(

106
accel/tcg/monitor.c
View File

@ -0,0 +1,106 @@
/*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* QEMU TCG monitor
*
* Copyright (c) 2003-2005 Fabrice Bellard
*/
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "qapi/type-helpers.h"
#include "qapi/qapi-commands-machine.h"
#include "monitor/monitor.h"
#include "sysemu/cpus.h"
#include "sysemu/cpu-timers.h"
#include "sysemu/tcg.h"
#include "internal.h"
static void dump_drift_info(GString *buf)
{
if (!icount_enabled()) {
return;
}
g_string_append_printf(buf, "Host - Guest clock %"PRIi64" ms\n",
(cpu_get_clock() - icount_get()) / SCALE_MS);
if (icount_align_option) {
g_string_append_printf(buf, "Max guest delay %"PRIi64" ms\n",
-max_delay / SCALE_MS);
g_string_append_printf(buf, "Max guest advance %"PRIi64" ms\n",
max_advance / SCALE_MS);
} else {
g_string_append_printf(buf, "Max guest delay NA\n");
g_string_append_printf(buf, "Max guest advance NA\n");
}
}
HumanReadableText *qmp_x_query_jit(Error **errp)
{
g_autoptr(GString) buf = g_string_new("");
if (!tcg_enabled()) {
error_setg(errp, "JIT information is only available with accel=tcg");
return NULL;
}
dump_exec_info(buf);
dump_drift_info(buf);
return human_readable_text_from_str(buf);
}
HumanReadableText *qmp_x_query_opcount(Error **errp)
{
g_autoptr(GString) buf = g_string_new("");
if (!tcg_enabled()) {
error_setg(errp,
"Opcode count information is only available with accel=tcg");
return NULL;
}
tcg_dump_op_count(buf);
return human_readable_text_from_str(buf);
}
#ifdef CONFIG_PROFILER
int64_t dev_time;
HumanReadableText *qmp_x_query_profile(Error **errp)
{
g_autoptr(GString) buf = g_string_new("");
static int64_t last_cpu_exec_time;
int64_t cpu_exec_time;
int64_t delta;
cpu_exec_time = tcg_cpu_exec_time();
delta = cpu_exec_time - last_cpu_exec_time;
g_string_append_printf(buf, "async time %" PRId64 " (%0.3f)\n",
dev_time, dev_time / (double)NANOSECONDS_PER_SECOND);
g_string_append_printf(buf, "qemu time %" PRId64 " (%0.3f)\n",
delta, delta / (double)NANOSECONDS_PER_SECOND);
last_cpu_exec_time = cpu_exec_time;
dev_time = 0;
return human_readable_text_from_str(buf);
}
#else
HumanReadableText *qmp_x_query_profile(Error **errp)
{
error_setg(errp, "Internal profiler not compiled");
return NULL;
}
#endif
static void hmp_tcg_register(void)
{
monitor_register_hmp_info_hrt("jit", qmp_x_query_jit);
monitor_register_hmp_info_hrt("opcount", qmp_x_query_opcount);
}
type_init(hmp_tcg_register);
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