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Re: [Qemu-devel] [PATCH v5 3/6] BitmapLog: get the information about the
From: |
Dr. David Alan Gilbert |
Subject: |
Re: [Qemu-devel] [PATCH v5 3/6] BitmapLog: get the information about the parameters |
Date: |
Tue, 12 Aug 2014 12:20:06 +0100 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
* Sanidhya Kashyap (address@hidden) wrote:
> No functional change except the variable name.
>
> Signed-off-by: Sanidhya Kashyap <address@hidden>
> ---
> hmp-commands.hx | 2 ++
> hmp.c | 19 +++++++++++++++++++
> hmp.h | 1 +
> monitor.c | 7 +++++++
> qapi-schema.json | 28 ++++++++++++++++++++++++++++
> qmp-commands.hx | 25 +++++++++++++++++++++++++
> savevm.c | 17 +++++++++++++++++
> 7 files changed, 99 insertions(+)
>
> diff --git a/hmp-commands.hx b/hmp-commands.hx
> index 30b553e..dca65bc 100644
> --- a/hmp-commands.hx
> +++ b/hmp-commands.hx
> @@ -1780,6 +1780,8 @@ show qdev device model list
> show roms
> @item info tpm
> show the TPM device
> address@hidden info log_dirty_bitmap
> +show the current parameters values
> @end table
> ETEXI
>
> diff --git a/hmp.c b/hmp.c
> index d067420..0a8831b 100644
> --- a/hmp.c
> +++ b/hmp.c
> @@ -1732,3 +1732,22 @@ void hmp_info_memdev(Monitor *mon, const QDict *qdict)
>
> monitor_printf(mon, "\n");
> }
> +
> +void hmp_info_log_dirty_bitmap(Monitor *mon, const QDict *qdict)
> +{
> + Error *err = NULL;
> + BitmapLogStateInfo *info = qmp_query_log_dirty_bitmap(&err);
> +
> + if (info) {
> + monitor_printf(mon, "current iteration: %ld\n",
> + info->current_iteration);
> + monitor_printf(mon, "total iterations: %ld\n", info->iterations);
> + monitor_printf(mon, "current period value: %ld\n", info->period);
I think you need to use the PRId64 macros there rather than %ld; because long
is not always 64bits (there are some other uses in hmp.c)
> + }
> +
> + if (err) {
> + hmp_handle_error(mon, &err);
> + }
> +
> + qapi_free_BitmapLogStateInfo(info);
> +}
> diff --git a/hmp.h b/hmp.h
> index 0895182..02e8ee4 100644
> --- a/hmp.h
> +++ b/hmp.h
> @@ -38,6 +38,7 @@ void hmp_info_balloon(Monitor *mon, const QDict *qdict);
> void hmp_info_pci(Monitor *mon, const QDict *qdict);
> void hmp_info_block_jobs(Monitor *mon, const QDict *qdict);
> void hmp_info_tpm(Monitor *mon, const QDict *qdict);
> +void hmp_info_log_dirty_bitmap(Monitor *mon, const QDict *qdict);
> void hmp_quit(Monitor *mon, const QDict *qdict);
> void hmp_stop(Monitor *mon, const QDict *qdict);
> void hmp_system_reset(Monitor *mon, const QDict *qdict);
> diff --git a/monitor.c b/monitor.c
> index 5bc70a6..5f20f72 100644
> --- a/monitor.c
> +++ b/monitor.c
> @@ -2918,6 +2918,13 @@ static mon_cmd_t info_cmds[] = {
> .mhandler.cmd = hmp_info_memdev,
> },
> {
> + .name = "log_dirty_bitmap",
> + .args_type = "",
> + .params = "",
> + .help = "show the current parameters values",
> + .mhandler.cmd = hmp_info_log_dirty_bitmap,
> + },
> + {
> .name = NULL,
> },
> };
> diff --git a/qapi-schema.json b/qapi-schema.json
> index dced3c2..6aac367 100644
> --- a/qapi-schema.json
> +++ b/qapi-schema.json
> @@ -3515,3 +3515,31 @@
> 'data' : { 'filename' : 'str',
> '*iterations' : 'int',
> '*period' : 'int' } }
> +##
> +# @BitmapLogStateInfo
> +#
> +# Provides information for the bitmap logging process
> +#
> +# @current-iteration: stores current iteration value
> +#
> +# @iterations: total iterations value
> +#
> +# @period: the time difference in milliseconds between each iteration
> +#
> +# Since 2.2
> +##
> +{ 'type': 'BitmapLogStateInfo',
> + 'data': { 'current-iteration' : 'int',
> + 'iterations' : 'int',
> + 'period' : 'int' } }
> +
> +##
> +# @query-log-dirty-bitmap
> +#
> +# Get the current values of the parameters involved in bitmap logging process
> +#
> +# This command returns the BitmapLogStateInfo
> +#
> +# Since 2.2
> +##
> +{ 'command': 'query-log-dirty-bitmap', 'returns': 'BitmapLogStateInfo' }
> diff --git a/qmp-commands.hx b/qmp-commands.hx
> index 2ead2ca..e79ed6a 100644
> --- a/qmp-commands.hx
> +++ b/qmp-commands.hx
> @@ -3789,3 +3789,28 @@ Examples:
> Note: The iterations, and period parameters are optional. iterations default
> value is 3 while that of period is 10.
> EQMP
> +
> + {
> + .name = "query-log-dirty-bitmap",
> + .args_type = "",
> + .mhandler.cmd_new = qmp_marshal_input_query_log_dirty_bitmap,
> + },
> +
> +SQMP
> +query-log-dirty-bitmap
> +----------------------
> +
> +Get the parameters information
> +
> +- "current-iteration": stores current iteration value
> +- "iterations": total iterations value
> +- "period": the time difference in milliseconds between each iteration
> +
> +Example:
> +
> +-> { "execute": "query-log-dirty-bitmap" }
> +<- { "return": {
> + "current-iteration": 3
> + "iterations": 10
> + "period": 100 } }
> +EQMP
> diff --git a/savevm.c b/savevm.c
> index 125e5ed..22e84fe 100644
> --- a/savevm.c
> +++ b/savevm.c
> @@ -1515,6 +1515,23 @@ void qmp_log_dirty_bitmap(const char *filename, bool
> has_iterations,
> return;
> }
>
> +BitmapLogStateInfo *qmp_query_log_dirty_bitmap(Error **errp)
> +{
> + BitmapLogState *b = log_bitmap_get_current_state();
> + BitmapLogStateInfo *info = NULL;
> +
> + if (b->state != LOG_BITMAP_STATE_ACTIVE) {
> + return info;
> + }
> +
> + info = g_malloc0(sizeof(BitmapLogStateInfo));
> + info->current_iteration = b->current_iteration;
> + info->iterations = b->iterations;
> + info->period = b->current_period;
> +
> + return info;
> +}
> +
> void qmp_xen_save_devices_state(const char *filename, Error **errp)
> {
> QEMUFile *f;
> --
> 1.9.3
>
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK
- Re: [Qemu-devel] [PATCH v5 3/6] BitmapLog: get the information about the parameters,
Dr. David Alan Gilbert <=