From: "Alex Bennée" <alex.bennee@linaro.org>
To: qemu-devel@nongnu.org
Cc: "Eduardo Habkost" <ehabkost@redhat.com>,
"Richard Henderson" <richard.henderson@linaro.org>,
aaron@os.amperecomputing.com, cota@braap.org,
"Paolo Bonzini" <pbonzini@redhat.com>,
bobby.prani@gmail.com, "Alex Bennée" <alex.bennee@linaro.org>,
"Richard Henderson" <rth@twiddle.net>
Subject: [Qemu-devel] [PATCH v4 28/54] cpu: hook plugin vcpu events
Date: Wed, 31 Jul 2019 17:06:53 +0100 [thread overview]
Message-ID: <20190731160719.11396-29-alex.bennee@linaro.org> (raw)
In-Reply-To: <20190731160719.11396-1-alex.bennee@linaro.org>
From: "Emilio G. Cota" <cota@braap.org>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
---
cpus.c | 10 ++++++++++
exec.c | 2 ++
qom/cpu.c | 2 ++
3 files changed, 14 insertions(+)
diff --git a/cpus.c b/cpus.c
index 927a00aa90b..cef94560e31 100644
--- a/cpus.c
+++ b/cpus.c
@@ -44,6 +44,7 @@
#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"
@@ -1241,9 +1242,18 @@ 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 3e78de3b8f8..65374d0bdc8 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 f376f782d83..90ebb214bb2 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
next prev parent reply other threads:[~2019-07-31 16:33 UTC|newest]
Thread overview: 107+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-31 16:06 [Qemu-devel] [PATCH v4 00/54] plugins for TCG Alex Bennée
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 01/54] target/arm: handle M-profile semihosting at translate time Alex Bennée
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 02/54] target/arm: handle A-profile T32 " Alex Bennée
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 03/54] target/arm: handle A-profile A32 " Alex Bennée
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 04/54] target/arm: remove run time semihosting checks Alex Bennée
2019-08-01 13:27 ` Aaron Lindsay OS via Qemu-devel
2019-08-01 13:36 ` Peter Maydell
2019-08-01 14:53 ` Richard Henderson
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 05/54] includes: remove stale [smp|max]_cpus externs Alex Bennée
2019-08-01 14:54 ` Richard Henderson
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 06/54] trace: expand mem_info:size_shift to 4 bits Alex Bennée
2019-08-01 15:01 ` Richard Henderson
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 07/54] trace: add mmu_index to mem_info Alex Bennée
2019-08-01 15:17 ` Richard Henderson
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 08/54] tcg/README: fix typo s/afterwise/afterwards/ Alex Bennée
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 09/54] cpu: introduce cpu_in_exclusive_context() Alex Bennée
2019-08-01 15:23 ` Richard Henderson
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 10/54] translate-all: use cpu_in_exclusive_work_context() in tb_flush Alex Bennée
2019-08-01 15:25 ` Richard Henderson
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 11/54] docs/devel: add plugins.rst design document Alex Bennée
2019-08-01 15:31 ` Richard Henderson
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 12/54] configure: add --enable-plugins (MOVE TO END) Alex Bennée
2019-08-01 15:33 ` Richard Henderson
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 13/54] plugin: add user-facing API Alex Bennée
2019-08-01 15:39 ` Richard Henderson
2019-08-02 18:25 ` Aaron Lindsay OS via Qemu-devel
2019-09-06 19:31 ` Alex Bennée
2019-09-10 16:24 ` Aaron Lindsay OS via Qemu-devel
2019-09-10 17:41 ` Alex Bennée
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 14/54] plugin: add core code Alex Bennée
2019-08-01 15:58 ` Richard Henderson
2019-09-12 9:17 ` Daniel P. Berrangé
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 15/54] plugin: add implementation of the api Alex Bennée
2019-08-01 16:14 ` Richard Henderson
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 16/54] queue: add QTAILQ_REMOVE_SEVERAL Alex Bennée
2019-08-01 16:16 ` Richard Henderson
2019-08-01 16:16 ` Richard Henderson
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 17/54] cputlb: document get_page_addr_code Alex Bennée
2019-08-01 17:08 ` Richard Henderson
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 18/54] cputlb: introduce get_page_addr_code_hostp Alex Bennée
2019-08-01 17:10 ` Richard Henderson
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 19/54] tcg: add tcg_gen_st_ptr Alex Bennée
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 20/54] plugin-gen: add module for TCG-related code Alex Bennée
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 21/54] atomic_template: fix indentation in GEN_ATOMIC_HELPER Alex Bennée
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 22/54] atomic_template: add inline trace/plugin helpers Alex Bennée
2019-08-01 18:23 ` Richard Henderson
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 23/54] tcg: let plugins instrument virtual memory accesses Alex Bennée
2019-08-01 18:29 ` Richard Henderson
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 24/54] plugins: implement helpers for resolving hwaddr Alex Bennée
2019-08-01 14:14 ` Aaron Lindsay OS via Qemu-devel
2019-08-01 18:37 ` Richard Henderson
2019-10-09 17:45 ` Alex Bennée
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 25/54] translate-all: notify plugin code of tb_flush Alex Bennée
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 26/54] *-user: notify plugin of exit Alex Bennée
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 27/54] *-user: plugin syscalls Alex Bennée
2019-07-31 16:06 ` Alex Bennée [this message]
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 29/54] plugin-gen: add plugin_insn_append Alex Bennée
2019-08-01 18:39 ` Richard Henderson
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 30/54] translator: add translator_ld{ub, sw, uw, l, q} Alex Bennée
2019-08-01 19:24 ` Richard Henderson
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 31/54] target/arm: fetch code with translator_ld Alex Bennée
2019-08-01 19:26 ` Richard Henderson
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 32/54] target/ppc: " Alex Bennée
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 33/54] target/sh4: " Alex Bennée
2019-07-31 16:06 ` [Qemu-devel] [PATCH v4 34/54] target/i386: " Alex Bennée
2019-07-31 16:07 ` [Qemu-devel] [PATCH v4 35/54] target/hppa: " Alex Bennée
2019-07-31 16:07 ` [Qemu-devel] [PATCH v4 36/54] target/m68k: " Alex Bennée
2019-07-31 16:07 ` [Qemu-devel] [PATCH v4 37/54] target/alpha: " Alex Bennée
2019-07-31 16:07 ` [Qemu-devel] [PATCH v4 38/54] target/riscv: " Alex Bennée
2019-07-31 16:07 ` [Qemu-devel] [PATCH v4 39/54] target/sparc: " Alex Bennée
2019-07-31 16:07 ` [Qemu-devel] [PATCH v4 40/54] target/xtensa: " Alex Bennée
2019-07-31 16:07 ` [Qemu-devel] [PATCH v4 41/54] target/openrisc: " Alex Bennée
2019-07-31 16:07 ` [Qemu-devel] [PATCH v4 42/54] translator: inject instrumentation from plugins Alex Bennée
2019-08-01 19:35 ` Richard Henderson
2019-07-31 16:07 ` [Qemu-devel] [PATCH v4 43/54] plugin: add API symbols to qemu-plugins.symbols Alex Bennée
2019-08-01 19:42 ` Richard Henderson
2019-10-11 16:46 ` Alex Bennée
2019-07-31 16:07 ` [Qemu-devel] [PATCH v4 44/54] vl: support -plugin option Alex Bennée
2019-07-31 16:07 ` [Qemu-devel] [PATCH v4 45/54] linux-user: " Alex Bennée
2019-07-31 16:07 ` [Qemu-devel] [PATCH v4 46/54] tests/plugin: add sample plugins Alex Bennée
2019-07-31 16:07 ` [Qemu-devel] [PATCH v4 47/54] tests/tcg: enable plugin testing Alex Bennée
2019-07-31 16:07 ` [Qemu-devel] [PATCH v4 48/54] tests/plugin: add a hotblocks plugin Alex Bennée
2019-07-31 16:07 ` [Qemu-devel] [PATCH v4 49/54] plugin: add qemu_plugin_insn_disas helper Alex Bennée
2019-07-31 16:07 ` [Qemu-devel] [PATCH v4 50/54] tests/plugin: add instruction execution breakdown Alex Bennée
2019-08-01 14:31 ` Aaron Lindsay OS via Qemu-devel
2019-10-09 18:49 ` Alex Bennée
2019-07-31 16:07 ` [Qemu-devel] [PATCH v4 51/54] tests/plugin: add hotpages plugin to breakdown memory access patterns Alex Bennée
2019-07-31 16:07 ` [Qemu-devel] [PATCH v4 52/54] accel/stubs: reduce headers from tcg-stub Alex Bennée
2019-07-31 16:07 ` [Qemu-devel] [PATCH v4 53/54] include/exec: wrap cpu_ldst.h in CONFIG_TCG Alex Bennée
2019-08-01 19:51 ` Richard Henderson
2019-07-31 16:07 ` [Qemu-devel] [PATCH v4 54/54] include/exec/cpu-defs.h: fix typo Alex Bennée
2019-07-31 17:00 ` [Qemu-devel] [PATCH v4 00/54] plugins for TCG no-reply
2019-08-01 4:19 ` Markus Armbruster
2019-09-06 19:52 ` Alex Bennée
2019-09-10 16:16 ` Aaron Lindsay OS via Qemu-devel
2019-09-10 17:37 ` Alex Bennée
2019-09-10 16:34 ` Peter Maydell
2019-09-12 6:46 ` [Qemu-devel] TCG plugins and the GPL (was: [PATCH v4 00/54] plugins for TCG) Markus Armbruster
2019-09-12 9:03 ` Alex Bennée
2019-09-12 9:21 ` Peter Maydell
2019-09-12 10:07 ` Alex Bennée
2019-09-12 10:16 ` Daniel P. Berrangé
2019-09-12 10:21 ` Peter Maydell
2019-09-12 10:18 ` Peter Maydell
2019-09-12 10:35 ` Alex Bennée
2019-09-12 9:32 ` Daniel P. Berrangé
2019-08-01 14:20 ` [Qemu-devel] [PATCH v4 00/54] plugins for TCG no-reply
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