diff options
author | Luiz Capitulino <lcapitulino@redhat.com> | 2009-12-10 17:16:07 -0200 |
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committer | Anthony Liguori <aliguori@us.ibm.com> | 2009-12-12 07:59:49 -0600 |
commit | 218a536a7a7c6d3679d5eca0103f32fd11fbfaf0 (patch) | |
tree | 7d916727bef7fea8cae2f7018362f12320e1b108 /block.c | |
parent | d15e546567d75fca36d852c39e30adaab02121a7 (diff) |
block: Convert bdrv_info_stats() to QObject
Each device statistic information is stored in a QDict and
the returned QObject is a QList of all devices.
This commit should not change user output.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'block.c')
-rw-r--r-- | block.c | 84 |
1 files changed, 72 insertions, 12 deletions
@@ -1261,22 +1261,82 @@ void bdrv_info(Monitor *mon, QObject **ret_data) *ret_data = QOBJECT(bs_list); } -/* The "info blockstats" command. */ -void bdrv_info_stats(Monitor *mon) +static void bdrv_stats_iter(QObject *data, void *opaque) { + QDict *qdict; + Monitor *mon = opaque; + + qdict = qobject_to_qdict(data); + monitor_printf(mon, "%s:", qdict_get_str(qdict, "device")); + + qdict = qobject_to_qdict(qdict_get(qdict, "stats")); + monitor_printf(mon, " rd_bytes=%" PRId64 + " wr_bytes=%" PRId64 + " rd_operations=%" PRId64 + " wr_operations=%" PRId64 + "\n", + qdict_get_int(qdict, "rd_bytes"), + qdict_get_int(qdict, "wr_bytes"), + qdict_get_int(qdict, "rd_operations"), + qdict_get_int(qdict, "wr_operations")); +} + +void bdrv_stats_print(Monitor *mon, const QObject *data) +{ + qlist_iter(qobject_to_qlist(data), bdrv_stats_iter, mon); +} + +/** + * bdrv_info_stats(): show block device statistics + * + * Each device statistic information is stored in a QDict and + * the returned QObject is a QList of all devices. + * + * The QDict contains the following: + * + * - "device": device name + * - "stats": A QDict with the statistics information, it contains: + * - "rd_bytes": bytes read + * - "wr_bytes": bytes written + * - "rd_operations": read operations + * - "wr_operations": write operations + * + * Example: + * + * [ { "device": "ide0-hd0", + * "stats": { "rd_bytes": 512, + * "wr_bytes": 0, + * "rd_operations": 1, + * "wr_operations": 0 } }, + * { "device": "ide1-cd0", + * "stats": { "rd_bytes": 0, + * "wr_bytes": 0, + * "rd_operations": 0, + * "wr_operations": 0 } } ] + */ +void bdrv_info_stats(Monitor *mon, QObject **ret_data) +{ + QObject *obj; + QList *devices; BlockDriverState *bs; + devices = qlist_new(); + for (bs = bdrv_first; bs != NULL; bs = bs->next) { - monitor_printf(mon, "%s:" - " rd_bytes=%" PRIu64 - " wr_bytes=%" PRIu64 - " rd_operations=%" PRIu64 - " wr_operations=%" PRIu64 - "\n", - bs->device_name, - bs->rd_bytes, bs->wr_bytes, - bs->rd_ops, bs->wr_ops); - } + obj = qobject_from_jsonf("{ 'device': %s, 'stats': {" + "'rd_bytes': %" PRId64 "," + "'wr_bytes': %" PRId64 "," + "'rd_operations': %" PRId64 "," + "'wr_operations': %" PRId64 + "} }", + bs->device_name, + bs->rd_bytes, bs->wr_bytes, + bs->rd_ops, bs->wr_ops); + assert(obj != NULL); + qlist_append_obj(devices, obj); + } + + *ret_data = QOBJECT(devices); } const char *bdrv_get_encrypted_filename(BlockDriverState *bs) |