diff options
| -rw-r--r-- | hmp-commands-info.hx | 13 | ||||
| -rw-r--r-- | hmp-commands.hx | 14 | ||||
| -rw-r--r-- | include/monitor/hmp.h | 2 | ||||
| -rw-r--r-- | migration/dirtyrate.c | 47 |
4 files changed, 76 insertions, 0 deletions
diff --git a/hmp-commands-info.hx b/hmp-commands-info.hx index b2347a6aea..fb59c27200 100644 --- a/hmp-commands-info.hx +++ b/hmp-commands-info.hx @@ -867,3 +867,16 @@ SRST ``info replay`` Display the record/replay information: mode and the current icount. ERST + + { + .name = "dirty_rate", + .args_type = "", + .params = "", + .help = "show dirty rate information", + .cmd = hmp_info_dirty_rate, + }, + +SRST + ``info dirty_rate`` + Display the vcpu dirty rate information. +ERST diff --git a/hmp-commands.hx b/hmp-commands.hx index 2d21fe5ad4..84dcc3aae6 100644 --- a/hmp-commands.hx +++ b/hmp-commands.hx @@ -1727,3 +1727,17 @@ ERST .flags = "p", }, +SRST +``calc_dirty_rate`` *second* + Start a round of dirty rate measurement with the period specified in *second*. + The result of the dirty rate measurement may be observed with ``info + dirty_rate`` command. +ERST + + { + .name = "calc_dirty_rate", + .args_type = "second:l,sample_pages_per_GB:l?", + .params = "second [sample_pages_per_GB]", + .help = "start a round of guest dirty rate measurement", + .cmd = hmp_calc_dirty_rate, + }, diff --git a/include/monitor/hmp.h b/include/monitor/hmp.h index 605d57287a..3baa1058e2 100644 --- a/include/monitor/hmp.h +++ b/include/monitor/hmp.h @@ -129,5 +129,7 @@ void hmp_info_replay(Monitor *mon, const QDict *qdict); void hmp_replay_break(Monitor *mon, const QDict *qdict); void hmp_replay_delete_break(Monitor *mon, const QDict *qdict); void hmp_replay_seek(Monitor *mon, const QDict *qdict); +void hmp_info_dirty_rate(Monitor *mon, const QDict *qdict); +void hmp_calc_dirty_rate(Monitor *mon, const QDict *qdict); #endif diff --git a/migration/dirtyrate.c b/migration/dirtyrate.c index 2ee3890721..320c56ba2c 100644 --- a/migration/dirtyrate.c +++ b/migration/dirtyrate.c @@ -20,6 +20,9 @@ #include "ram.h" #include "trace.h" #include "dirtyrate.h" +#include "monitor/hmp.h" +#include "monitor/monitor.h" +#include "qapi/qmp/qdict.h" static int CalculatingState = DIRTY_RATE_STATUS_UNSTARTED; static struct DirtyRateStat DirtyStat; @@ -447,3 +450,47 @@ struct DirtyRateInfo *qmp_query_dirty_rate(Error **errp) { return query_dirty_rate_info(); } + +void hmp_info_dirty_rate(Monitor *mon, const QDict *qdict) +{ + DirtyRateInfo *info = query_dirty_rate_info(); + + monitor_printf(mon, "Status: %s\n", + DirtyRateStatus_str(info->status)); + monitor_printf(mon, "Start Time: %"PRIi64" (ms)\n", + info->start_time); + monitor_printf(mon, "Sample Pages: %"PRIu64" (per GB)\n", + info->sample_pages); + monitor_printf(mon, "Period: %"PRIi64" (sec)\n", + info->calc_time); + monitor_printf(mon, "Dirty rate: "); + if (info->has_dirty_rate) { + monitor_printf(mon, "%"PRIi64" (MB/s)\n", info->dirty_rate); + } else { + monitor_printf(mon, "(not ready)\n"); + } + g_free(info); +} + +void hmp_calc_dirty_rate(Monitor *mon, const QDict *qdict) +{ + int64_t sec = qdict_get_try_int(qdict, "second", 0); + int64_t sample_pages = qdict_get_try_int(qdict, "sample_pages_per_GB", -1); + bool has_sample_pages = (sample_pages != -1); + Error *err = NULL; + + if (!sec) { + monitor_printf(mon, "Incorrect period length specified!\n"); + return; + } + + qmp_calc_dirty_rate(sec, has_sample_pages, sample_pages, &err); + if (err) { + hmp_handle_error(mon, err); + return; + } + + monitor_printf(mon, "Starting dirty rate measurement with period %"PRIi64 + " seconds\n", sec); + monitor_printf(mon, "[Please use 'info dirty_rate' to check results]\n"); +} |