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authorJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-05-18 13:18:31 +0300
committerJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-05-18 13:42:15 +0300
commit437fd90c0250dee670290f9b714253671a990160 (patch)
treeb871786c360704244a07411c69fb58da9ead4a06 /qemu/include/block/accounting.h
parent5bbd6fe9b8bab2a93e548c5a53b032d1939eec05 (diff)
These changes are the raw update to qemu-2.6.
Collission happened in the following patches: migration: do cleanup operation after completion(738df5b9) Bug fix.(1750c932f86) kvmclock: add a new function to update env->tsc.(b52baab2) The code provided by the patches was already in the upstreamed version. Change-Id: I3cc11841a6a76ae20887b2e245710199e1ea7f9a Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'qemu/include/block/accounting.h')
-rw-r--r--qemu/include/block/accounting.h31
1 files changed, 26 insertions, 5 deletions
diff --git a/qemu/include/block/accounting.h b/qemu/include/block/accounting.h
index 4c406cff7..20891639d 100644
--- a/qemu/include/block/accounting.h
+++ b/qemu/include/block/accounting.h
@@ -2,6 +2,7 @@
* QEMU System Emulator block accounting
*
* Copyright (c) 2011 Christoph Hellwig
+ * Copyright (c) 2015 Igalia, S.L.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
@@ -24,9 +25,9 @@
#ifndef BLOCK_ACCOUNTING_H
#define BLOCK_ACCOUNTING_H
-#include <stdint.h>
+#include "qemu/timed-average.h"
-#include "qemu/typedefs.h"
+typedef struct BlockAcctTimedStats BlockAcctTimedStats;
enum BlockAcctType {
BLOCK_ACCT_READ,
@@ -35,12 +36,23 @@ 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];
+ uint64_t invalid_ops[BLOCK_MAX_IOTYPE];
+ uint64_t failed_ops[BLOCK_MAX_IOTYPE];
uint64_t total_time_ns[BLOCK_MAX_IOTYPE];
uint64_t merged[BLOCK_MAX_IOTYPE];
- uint64_t wr_highest_sector;
+ int64_t last_access_time_ns;
+ QSLIST_HEAD(, BlockAcctTimedStats) intervals;
+ bool account_invalid;
+ bool account_failed;
} BlockAcctStats;
typedef struct BlockAcctCookie {
@@ -49,12 +61,21 @@ typedef struct BlockAcctCookie {
enum BlockAcctType type;
} 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);
-void block_acct_highest_sector(BlockAcctStats *stats, int64_t sector_num,
- unsigned int nb_sectors);
+void block_acct_failed(BlockAcctStats *stats, BlockAcctCookie *cookie);
+void block_acct_invalid(BlockAcctStats *stats, enum BlockAcctType type);
void block_acct_merge_done(BlockAcctStats *stats, enum BlockAcctType type,
int num_requests);
+int64_t block_acct_idle_time_ns(BlockAcctStats *stats);
+double block_acct_queue_depth(BlockAcctTimedStats *stats,
+ enum BlockAcctType type);
#endif