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[Qemu-devel] [PATCH v4 4/8] BitmapLog: hmp interface for dirty bitmap du
From: |
Sanidhya Kashyap |
Subject: |
[Qemu-devel] [PATCH v4 4/8] BitmapLog: hmp interface for dirty bitmap dump |
Date: |
Thu, 17 Jul 2014 16:51:17 +0530 |
Signed-off-by: Sanidhya Kashyap <address@hidden>
---
hmp-commands.hx | 16 ++++++++++++++++
hmp.c | 16 ++++++++++++++++
hmp.h | 1 +
3 files changed, 33 insertions(+)
diff --git a/hmp-commands.hx b/hmp-commands.hx
index d0943b1..575df78 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -1788,6 +1788,22 @@ 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
address@hidden ldb or log-dirty-bitmap @var{filename}
address@hidden log-dirty-bitmap
+dumps the writable working set of a VM's memory to a file
+ETEXI
+
STEXI
@end table
ETEXI
diff --git a/hmp.c b/hmp.c
index 4d1838e..3c8e56d 100644
--- a/hmp.c
+++ b/hmp.c
@@ -1318,6 +1318,22 @@ 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;
diff --git a/hmp.h b/hmp.h
index 4fd3c4a..0895182 100644
--- a/hmp.h
+++ b/hmp.h
@@ -94,6 +94,7 @@ 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_info_memdev(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);
--
1.9.3
- [Qemu-devel] [PATCH v4 1/8] enable sharing of the function between migration and bitmap dump, (continued)
- [Qemu-devel] [PATCH v4 1/8] enable sharing of the function between migration and bitmap dump, Sanidhya Kashyap, 2014/07/17
- [Qemu-devel] [PATCH v4 2/8] RunState: added two new flags for bitmap dump and migration process, Sanidhya Kashyap, 2014/07/17
- [Qemu-devel] [PATCH v4 3/8] BitmapLog: bitmap dump code via QAPI framework with runstates, Sanidhya Kashyap, 2014/07/17
- [Qemu-devel] [PATCH v4 4/8] BitmapLog: hmp interface for dirty bitmap dump,
Sanidhya Kashyap <=
- [Qemu-devel] [PATCH v4 5/8] BitmapLog: cancel mechanism for an already running dump bitmap process, Sanidhya Kashyap, 2014/07/17
- [Qemu-devel] [PATCH v4 6/8] BitmapLog: set the frequency of the dump bitmap process, Sanidhya Kashyap, 2014/07/17
- [Qemu-devel] [PATCH v4 7/8] BitmapLog: get the information about the parameters, Sanidhya Kashyap, 2014/07/17
- [Qemu-devel] [PATCH v4 8/8] BitmapLog: python script for extracting bitmap from a binary file, Sanidhya Kashyap, 2014/07/17