| Message ID | 1598319650-36762-2-git-send-email-zhengchuan@huawei.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | *** A Method for evaluating dirty page rate *** | expand |
* Chuan Zheng (zhengchuan@huawei.com) wrote: > Add get_dirtyrate_thread() functions to setup query-dirtyrate > framework. > > Signed-off-by: Chuan Zheng <zhengchuan@huawei.com> > Signed-off-by: YanYing Zhuang <ann.zhuangyanying@huawei.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com> > --- > migration/dirtyrate.c | 39 +++++++++++++++++++++++++++++++++++++++ > migration/dirtyrate.h | 32 ++++++++++++++++++++++++++++++++ > migration/meson.build | 1 + > 3 files changed, 72 insertions(+) > create mode 100644 migration/dirtyrate.c > create mode 100644 migration/dirtyrate.h > > diff --git a/migration/dirtyrate.c b/migration/dirtyrate.c > new file mode 100644 > index 0000000..366f4e9 > --- /dev/null > +++ b/migration/dirtyrate.c > @@ -0,0 +1,39 @@ > +/* > + * Dirtyrate implement code > + * > + * Copyright (c) 2017-2020 HUAWEI TECHNOLOGIES CO.,LTD. > + * > + * Authors: > + * Chuan Zheng <zhengchuan@huawei.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. > + */ > + > +#include "qemu/osdep.h" > +#include "qapi/error.h" > +#include "crypto/hash.h" > +#include "crypto/random.h" > +#include "qemu/config-file.h" > +#include "exec/memory.h" > +#include "exec/ramblock.h" > +#include "exec/target_page.h" > +#include "qemu/rcu_queue.h" > +#include "qapi/qapi-commands-migration.h" > +#include "migration.h" > +#include "dirtyrate.h" > + > +static void calculate_dirtyrate(struct DirtyRateConfig config) > +{ > + /* todo */ > + return; > +} > + > +void *get_dirtyrate_thread(void *arg) > +{ > + struct DirtyRateConfig config = *(struct DirtyRateConfig *)arg; > + > + calculate_dirtyrate(config); > + > + return NULL; > +} > diff --git a/migration/dirtyrate.h b/migration/dirtyrate.h > new file mode 100644 > index 0000000..33669b7 > --- /dev/null > +++ b/migration/dirtyrate.h > @@ -0,0 +1,32 @@ > +/* > + * Dirtyrate common functions > + * > + * Copyright (c) 2020 HUAWEI TECHNOLOGIES CO., LTD. > + * > + * Authors: > + * Chuan Zheng <zhengchuan@huawei.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 QEMU_MIGRATION_DIRTYRATE_H > +#define QEMU_MIGRATION_DIRTYRATE_H > + > +/* > + * Sample 512 pages per GB as default. > + * TODO: Make it configurable. > + */ > +#define DIRTYRATE_DEFAULT_SAMPLE_PAGES 512 > + > +/* Take 1s as default for calculation duration */ > +#define DEFAULT_FETCH_DIRTYRATE_TIME_SEC 1 > + > +struct DirtyRateConfig { > + uint64_t sample_pages_per_gigabytes; /* sample pages per GB */ > + int64_t sample_period_seconds; /* time duration between two sampling */ > +}; > + > +void *get_dirtyrate_thread(void *arg); > +#endif > + > diff --git a/migration/meson.build b/migration/meson.build > index ac8ff14..30cc6c3 100644 > --- a/migration/meson.build > +++ b/migration/meson.build > @@ -21,6 +21,7 @@ softmmu_ss.add(files( > 'channel.c', > 'colo-failover.c', > 'colo.c', > + 'dirtyrate.c', > 'exec.c', > 'fd.c', > 'global_state.c', > -- > 1.8.3.1 >
diff --git a/migration/dirtyrate.c b/migration/dirtyrate.c new file mode 100644 index 0000000..366f4e9 --- /dev/null +++ b/migration/dirtyrate.c @@ -0,0 +1,39 @@ +/* + * Dirtyrate implement code + * + * Copyright (c) 2017-2020 HUAWEI TECHNOLOGIES CO.,LTD. + * + * Authors: + * Chuan Zheng <zhengchuan@huawei.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. + */ + +#include "qemu/osdep.h" +#include "qapi/error.h" +#include "crypto/hash.h" +#include "crypto/random.h" +#include "qemu/config-file.h" +#include "exec/memory.h" +#include "exec/ramblock.h" +#include "exec/target_page.h" +#include "qemu/rcu_queue.h" +#include "qapi/qapi-commands-migration.h" +#include "migration.h" +#include "dirtyrate.h" + +static void calculate_dirtyrate(struct DirtyRateConfig config) +{ + /* todo */ + return; +} + +void *get_dirtyrate_thread(void *arg) +{ + struct DirtyRateConfig config = *(struct DirtyRateConfig *)arg; + + calculate_dirtyrate(config); + + return NULL; +} diff --git a/migration/dirtyrate.h b/migration/dirtyrate.h new file mode 100644 index 0000000..33669b7 --- /dev/null +++ b/migration/dirtyrate.h @@ -0,0 +1,32 @@ +/* + * Dirtyrate common functions + * + * Copyright (c) 2020 HUAWEI TECHNOLOGIES CO., LTD. + * + * Authors: + * Chuan Zheng <zhengchuan@huawei.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 QEMU_MIGRATION_DIRTYRATE_H +#define QEMU_MIGRATION_DIRTYRATE_H + +/* + * Sample 512 pages per GB as default. + * TODO: Make it configurable. + */ +#define DIRTYRATE_DEFAULT_SAMPLE_PAGES 512 + +/* Take 1s as default for calculation duration */ +#define DEFAULT_FETCH_DIRTYRATE_TIME_SEC 1 + +struct DirtyRateConfig { + uint64_t sample_pages_per_gigabytes; /* sample pages per GB */ + int64_t sample_period_seconds; /* time duration between two sampling */ +}; + +void *get_dirtyrate_thread(void *arg); +#endif + diff --git a/migration/meson.build b/migration/meson.build index ac8ff14..30cc6c3 100644 --- a/migration/meson.build +++ b/migration/meson.build @@ -21,6 +21,7 @@ softmmu_ss.add(files( 'channel.c', 'colo-failover.c', 'colo.c', + 'dirtyrate.c', 'exec.c', 'fd.c', 'global_state.c',