diff options
Diffstat (limited to 'include/block')
| -rw-r--r-- | include/block/accounting.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/block/accounting.h b/include/block/accounting.h index 0d9b076955..1dd582a99a 100644 --- a/include/block/accounting.h +++ b/include/block/accounting.h @@ -28,6 +28,9 @@ #include <stdbool.h> #include "qemu/typedefs.h" +#include "qemu/timed-average.h" + +typedef struct BlockAcctTimedStats BlockAcctTimedStats; enum BlockAcctType { BLOCK_ACCT_READ, @@ -36,6 +39,12 @@ enum BlockAcctType { BLOCK_MAX_IOTYPE, }; +struct BlockAcctTimedStats { + TimedAverage latency[BLOCK_MAX_IOTYPE]; + unsigned interval_length; /* in seconds */ + QSLIST_ENTRY(BlockAcctTimedStats) entries; +}; + typedef struct BlockAcctStats { uint64_t nr_bytes[BLOCK_MAX_IOTYPE]; uint64_t nr_ops[BLOCK_MAX_IOTYPE]; @@ -44,6 +53,7 @@ typedef struct BlockAcctStats { uint64_t total_time_ns[BLOCK_MAX_IOTYPE]; uint64_t merged[BLOCK_MAX_IOTYPE]; int64_t last_access_time_ns; + QSLIST_HEAD(, BlockAcctTimedStats) intervals; bool account_invalid; bool account_failed; } BlockAcctStats; @@ -56,6 +66,10 @@ typedef struct BlockAcctCookie { void block_acct_init(BlockAcctStats *stats, bool account_invalid, bool account_failed); +void block_acct_cleanup(BlockAcctStats *stats); +void block_acct_add_interval(BlockAcctStats *stats, unsigned interval_length); +BlockAcctTimedStats *block_acct_interval_next(BlockAcctStats *stats, + BlockAcctTimedStats *s); void block_acct_start(BlockAcctStats *stats, BlockAcctCookie *cookie, int64_t bytes, enum BlockAcctType type); void block_acct_done(BlockAcctStats *stats, BlockAcctCookie *cookie); |