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[PATCH v5 21/55] cpu: hook plugin vcpu events
From: |
Alex Bennée |
Subject: |
[PATCH v5 21/55] cpu: hook plugin vcpu events |
Date: |
Mon, 14 Oct 2019 11:49:14 +0100 |
From: "Emilio G. Cota" <address@hidden>
Signed-off-by: Emilio G. Cota <address@hidden>
Reviewed-by: Richard Henderson <address@hidden>
Signed-off-by: Alex Bennée <address@hidden>
---
cpus.c | 10 ++++++++++
exec.c | 2 ++
hw/core/cpu.c | 2 ++
3 files changed, 14 insertions(+)
diff --git a/cpus.c b/cpus.c
index d2c61ff155..98f00ffba7 100644
--- a/cpus.c
+++ b/cpus.c
@@ -45,6 +45,7 @@
#include "exec/exec-all.h"
#include "qemu/thread.h"
+#include "qemu/plugin.h"
#include "sysemu/cpus.h"
#include "sysemu/qtest.h"
#include "qemu/main-loop.h"
@@ -1255,9 +1256,18 @@ static void qemu_tcg_rr_wait_io_event(void)
static void qemu_wait_io_event(CPUState *cpu)
{
+ bool slept = false;
+
while (cpu_thread_is_idle(cpu)) {
+ if (!slept) {
+ slept = true;
+ qemu_plugin_vcpu_idle_cb(cpu);
+ }
qemu_cond_wait(cpu->halt_cond, &qemu_global_mutex);
}
+ if (slept) {
+ qemu_plugin_vcpu_resume_cb(cpu);
+ }
#ifdef _WIN32
/* Eat dummy APC queued by qemu_cpu_kick_thread. */
diff --git a/exec.c b/exec.c
index bdcfcdff3f..7be7adb8f5 100644
--- a/exec.c
+++ b/exec.c
@@ -975,6 +975,8 @@ void cpu_exec_realizefn(CPUState *cpu, Error **errp)
}
tlb_init(cpu);
+ qemu_plugin_vcpu_init_hook(cpu);
+
#ifndef CONFIG_USER_ONLY
if (qdev_get_vmsd(DEVICE(cpu)) == NULL) {
vmstate_register(NULL, cpu->cpu_index, &vmstate_cpu_common, cpu);
diff --git a/hw/core/cpu.c b/hw/core/cpu.c
index 73b1ee34d0..db1a03c6bb 100644
--- a/hw/core/cpu.c
+++ b/hw/core/cpu.c
@@ -32,6 +32,7 @@
#include "hw/boards.h"
#include "hw/qdev-properties.h"
#include "trace-root.h"
+#include "qemu/plugin.h"
CPUInterruptHandler cpu_interrupt_handler;
@@ -352,6 +353,7 @@ static void cpu_common_unrealizefn(DeviceState *dev, Error
**errp)
CPUState *cpu = CPU(dev);
/* NOTE: latest generic point before the cpu is fully unrealized */
trace_fini_vcpu(cpu);
+ qemu_plugin_vcpu_exit_hook(cpu);
cpu_exec_unrealizefn(cpu);
}
--
2.20.1
- [PATCH v5 10/55] queue: add QTAILQ_REMOVE_SEVERAL, (continued)
- [PATCH v5 10/55] queue: add QTAILQ_REMOVE_SEVERAL, Alex Bennée, 2019/10/14
- [PATCH v5 07/55] plugin: add user-facing API, Alex Bennée, 2019/10/14
- [PATCH v5 11/55] cputlb: document get_page_addr_code, Alex Bennée, 2019/10/14
- [PATCH v5 24/55] target/arm: fetch code with translator_ld, Alex Bennée, 2019/10/14
- [PATCH v5 22/55] plugin-gen: add plugin_insn_append, Alex Bennée, 2019/10/14
- [PATCH v5 15/55] atomic_template: add inline trace/plugin helpers, Alex Bennée, 2019/10/14
- [PATCH v5 20/55] *-user: plugin syscalls, Alex Bennée, 2019/10/14
- [PATCH v5 25/55] target/ppc: fetch code with translator_ld, Alex Bennée, 2019/10/14
- [PATCH v5 12/55] cputlb: introduce get_page_addr_code_hostp, Alex Bennée, 2019/10/14
- [PATCH v5 50/55] include/exec: wrap cpu_ldst.h in CONFIG_TCG, Alex Bennée, 2019/10/14
- [PATCH v5 21/55] cpu: hook plugin vcpu events,
Alex Bennée <=
- [PATCH v5 37/55] vl: support -plugin option, Alex Bennée, 2019/10/14
- [PATCH v5 40/55] tests/tcg/Makefile.target: fix path to config-host.mak, Alex Bennée, 2019/10/14
- [PATCH v5 49/55] accel/stubs: reduce headers from tcg-stub, Alex Bennée, 2019/10/14
- [PATCH v5 43/55] tests/tcg: drop test-i386-fprem from TESTS when not SLOW, Alex Bennée, 2019/10/14
- [PATCH v5 08/55] plugin: add core code, Alex Bennée, 2019/10/14
- [PATCH v5 54/55] plugins: add qemu_plugin_outs and use it, Alex Bennée, 2019/10/14
- [PATCH v5 33/55] target/xtensa: fetch code with translator_ld, Alex Bennée, 2019/10/14