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[Qemu-devel] [PATCH v3 23/50] cpu: hook plugin vcpu events
From: |
Alex Bennée |
Subject: |
[Qemu-devel] [PATCH v3 23/50] cpu: hook plugin vcpu events |
Date: |
Fri, 14 Jun 2019 18:11:33 +0100 |
From: "Emilio G. Cota" <address@hidden>
Signed-off-by: Emilio G. Cota <address@hidden>
---
cpus.c | 10 ++++++++++
exec.c | 2 ++
qom/cpu.c | 2 ++
3 files changed, 14 insertions(+)
diff --git a/cpus.c b/cpus.c
index dde3b7b981..2f86af9a87 100644
--- a/cpus.c
+++ b/cpus.c
@@ -46,6 +46,7 @@
#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"
@@ -1243,9 +1244,18 @@ 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 e7622d1956..4a29471c3d 100644
--- a/exec.c
+++ b/exec.c
@@ -974,6 +974,8 @@ 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/qom/cpu.c b/qom/cpu.c
index f376f782d8..90ebb214bb 100644
--- a/qom/cpu.c
+++ b/qom/cpu.c
@@ -33,6 +33,7 @@
#include "hw/boards.h"
#include "hw/qdev-properties.h"
#include "trace-root.h"
+#include "qemu/plugin.h"
CPUInterruptHandler cpu_interrupt_handler;
@@ -354,6 +355,7 @@ 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
- [Qemu-devel] [PATCH v3 09/50] plugin: add implementation of the api, (continued)
- [Qemu-devel] [PATCH v3 09/50] plugin: add implementation of the api, Alex Bennée, 2019/06/14
- [Qemu-devel] [PATCH v3 08/50] plugin: add core code, Alex Bennée, 2019/06/14
- [Qemu-devel] [PATCH v3 49/50] include/exec/cpu-defs.h: fix typo, Alex Bennée, 2019/06/14
- [Qemu-devel] [PATCH v3 21/50] *-user: notify plugin of exit, Alex Bennée, 2019/06/14
- [Qemu-devel] [PATCH v3 28/50] target/sh4: fetch code with translator_ld, Alex Bennée, 2019/06/14
- [Qemu-devel] [PATCH v3 35/50] target/xtensa: fetch code with translator_ld, Alex Bennée, 2019/06/14
- [Qemu-devel] [PATCH v3 43/50] tests/plugin: add a hotblocks plugin, Alex Bennée, 2019/06/14
- [Qemu-devel] [PATCH v3 23/50] cpu: hook plugin vcpu events,
Alex Bennée <=
- [Qemu-devel] [PATCH v3 11/50] cputlb: document get_page_addr_code, Alex Bennée, 2019/06/14
- [Qemu-devel] [PATCH v3 44/50] plugin: add qemu_plugin_insn_disas helper, Alex Bennée, 2019/06/14
- [Qemu-devel] [PATCH v3 18/50] cpu_ldst_useronly_template: remove redundant #ifndef CODE_ACCESS, Alex Bennée, 2019/06/14
- [Qemu-devel] [PATCH v3 20/50] translate-all: notify plugin code of tb_flush, Alex Bennée, 2019/06/14
- [Qemu-devel] [PATCH v3 46/50] tests/plugin: add hotpages plugin to breakdown memory access patterns, Alex Bennée, 2019/06/14
- [Qemu-devel] [PATCH v3 33/50] target/riscv: fetch code with translator_ld, Alex Bennée, 2019/06/14