xemu/include/sysemu/iothread.h
Stefan Hajnoczi 5e5db49953 iothread: add poll-grow and poll-shrink parameters
These parameters control the poll time self-tuning algorithm.  They are
optional and will default to sane values if omitted.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20161201192652.9509-14-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2017-01-03 16:38:50 +00:00

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C

/*
* Event loop thread
*
* Copyright Red Hat Inc., 2013
*
* Authors:
* Stefan Hajnoczi <stefanha@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*
*/
#ifndef IOTHREAD_H
#define IOTHREAD_H
#include "block/aio.h"
#include "qemu/thread.h"
#define TYPE_IOTHREAD "iothread"
typedef struct {
Object parent_obj;
QemuThread thread;
AioContext *ctx;
QemuMutex init_done_lock;
QemuCond init_done_cond; /* is thread initialization done? */
bool stopping;
int thread_id;
/* AioContext poll parameters */
int64_t poll_max_ns;
int64_t poll_grow;
int64_t poll_shrink;
} IOThread;
#define IOTHREAD(obj) \
OBJECT_CHECK(IOThread, obj, TYPE_IOTHREAD)
char *iothread_get_id(IOThread *iothread);
AioContext *iothread_get_aio_context(IOThread *iothread);
void iothread_stop_all(void);
#endif /* IOTHREAD_H */