@@ -1780,6 +1780,22 @@ STEXI
show available trace events and their state
ETEXI
+ {
+ .name = "ldb|log-dirty-bitmap",
+ .args_type = "filename:s,epochs:i?,frequency:i?",
+ .params = "filename epochs frequency",
+ .help = "dumps the memory's dirty bitmap to file\n\t\t\t"
+ "filename: name of the file in which the bitmap will be saved\n\t\t\t"
+ "epochs: number of times, the memory will be logged\n\t\t\t"
+ "frequency: time difference in milliseconds between each epoch",
+ .mhandler.cmd = hmp_log_dirty_bitmap,
+ },
+STEXI
+@item ldb or log-dirty-bitmap @var{filename}
+@findex log-dirty-bitmap
+dumps the writable working set of a VM's memory to a file
+ETEXI
+
STEXI
@end table
ETEXI
@@ -1314,6 +1314,22 @@ void hmp_device_del(Monitor *mon, const QDict *qdict)
hmp_handle_error(mon, &err);
}
+void hmp_log_dirty_bitmap(Monitor *mon, const QDict *qdict)
+{
+ const char *filename = qdict_get_str(qdict, "filename");
+ int64_t epochs = qdict_get_try_int(qdict, "epochs", 3);
+ int64_t frequency = qdict_get_try_int(qdict, "frequency", 10);
+ Error *err = NULL;
+
+ qmp_log_dirty_bitmap(filename, !!epochs, epochs, !!frequency,
+ frequency, &err);
+ if (err) {
+ monitor_printf(mon, "log-dirty-bitmap: %s\n", error_get_pretty(err));
+ error_free(err);
+ return;
+ }
+}
+
void hmp_dump_guest_memory(Monitor *mon, const QDict *qdict)
{
Error *err = NULL;
@@ -93,6 +93,7 @@ void hmp_qemu_io(Monitor *mon, const QDict *qdict);
void hmp_cpu_add(Monitor *mon, const QDict *qdict);
void hmp_object_add(Monitor *mon, const QDict *qdict);
void hmp_object_del(Monitor *mon, const QDict *qdict);
+void hmp_log_dirty_bitmap(Monitor *mon, const QDict *qdict);
void object_add_completion(ReadLineState *rs, int nb_args, const char *str);
void object_del_completion(ReadLineState *rs, int nb_args, const char *str);
void device_add_completion(ReadLineState *rs, int nb_args, const char *str);
Signed-off-by: Sanidhya Kashyap <sanidhya.iiith@gmail.com> --- hmp-commands.hx | 16 ++++++++++++++++ hmp.c | 16 ++++++++++++++++ hmp.h | 1 + 3 files changed, 33 insertions(+)