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replay: shutdown event

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This patch records and replays simulator shutdown event.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>

Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
Message-Id: <20150917162433.8676.32262.stgit@PASHA-ISP.def.inno>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
This commit is contained in:
Pavel Dovgalyuk 2015-09-17 19:24:33 +03:00 committed by Paolo Bonzini
parent 8eda206e09
commit b60c48a701
4 changed files with 23 additions and 0 deletions
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5
include/sysemu/replay.h
View File

@ -66,6 +66,11 @@ int64_t replay_read_clock(ReplayClockKind kind);
? replay_save_clock((clock), (value)) \
: (value))
/* Events */
/*! Called when qemu shutdown is requested. */
void replay_shutdown_request(void);
/* Asynchronous events queue */
/*! Disables storing events in the queue */

2
replay/replay-internal.h
View File

@ -23,6 +23,8 @@ enum ReplayEvents {
EVENT_EXCEPTION,
/* for async events */
EVENT_ASYNC,
/* for shutdown request */
EVENT_SHUTDOWN,
/* for clock read/writes */
/* some of greater codes are reserved for clocks */
EVENT_CLOCK,

14
replay/replay.c
View File

@ -14,6 +14,7 @@
#include "replay-internal.h"
#include "qemu/timer.h"
#include "qemu/main-loop.h"
#include "sysemu/sysemu.h"
ReplayMode replay_mode = REPLAY_MODE_NONE;
@ -34,6 +35,10 @@ bool replay_next_event_is(int event)
res = true;
}
switch (replay_data_kind) {
case EVENT_SHUTDOWN:
replay_finish_event();
qemu_system_shutdown_request();
break;
default:
/* clock, time_t, checkpoint and other events */
return res;
@ -146,3 +151,12 @@ bool replay_has_interrupt(void)
}
return res;
}
void replay_shutdown_request(void)
{
if (replay_mode == REPLAY_MODE_RECORD) {
replay_mutex_lock();
replay_put_event(EVENT_SHUTDOWN);
replay_mutex_unlock();
}
}

2
vl.c
View File

@ -122,6 +122,7 @@ int main(int argc, char **argv)
#include "qapi-event.h"
#include "exec/semihost.h"
#include "crypto/init.h"
#include "sysemu/replay.h"
#define MAX_VIRTIO_CONSOLES 1
#define MAX_SCLP_CONSOLES 1
@ -1803,6 +1804,7 @@ void qemu_system_killed(int signal, pid_t pid)
void qemu_system_shutdown_request(void)
{
trace_qemu_system_shutdown_request();
replay_shutdown_request();
shutdown_requested = 1;
qemu_notify_event();
}