Displaying 2 results from an estimated 2 matches for "update_blk_stat".
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update_blk_stats
2011 Aug 16
1
[PATCH] virtio-blk: Add stats VQ to collect information about devices
...terlist sg[/*sg_elems*/];
};
@@ -48,6 +52,75 @@ struct virtblk_req
u8 status;
};
+static inline void update_stat(struct virtio_blk *vb, int idx,
+ u16 tag, u64 val)
+{
+ BUG_ON(idx >= VIRTIO_BLK_S_NR);
+ vb->stats[idx].tag = tag;
+ vb->stats[idx].val = val;
+}
+
+static void update_blk_stats(struct virtio_blk *vb)
+{
+ struct hd_struct *p = disk_get_part(vb->disk, 0);
+ int cpu;
+ int idx = 0;
+
+ cpu = part_stat_lock();
+ part_round_stats(cpu, p);
+ part_stat_unlock();
+
+ update_stat(vb, idx++, VIRTIO_BLK_S_READ_IO,
+ part_stat_read(p, ios[READ]));
+ update_stat(vb, idx++, V...
2011 Aug 16
1
[PATCH] virtio-blk: Add stats VQ to collect information about devices
...terlist sg[/*sg_elems*/];
};
@@ -48,6 +52,75 @@ struct virtblk_req
u8 status;
};
+static inline void update_stat(struct virtio_blk *vb, int idx,
+ u16 tag, u64 val)
+{
+ BUG_ON(idx >= VIRTIO_BLK_S_NR);
+ vb->stats[idx].tag = tag;
+ vb->stats[idx].val = val;
+}
+
+static void update_blk_stats(struct virtio_blk *vb)
+{
+ struct hd_struct *p = disk_get_part(vb->disk, 0);
+ int cpu;
+ int idx = 0;
+
+ cpu = part_stat_lock();
+ part_round_stats(cpu, p);
+ part_stat_unlock();
+
+ update_stat(vb, idx++, VIRTIO_BLK_S_READ_IO,
+ part_stat_read(p, ios[READ]));
+ update_stat(vb, idx++, V...