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979e9b03fc
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Alberto Garcia 979e9b03fc block: Compute minimum, maximum and average I/O latencies 
This patch keeps track of the minimum, maximum and average latencies
of I/O operations during a certain interval of time.

The values are exposed in the BlockDeviceTimedStats structure.

An option to define the intervals to collect these statistics will be
added in a separate patch.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Message-id: c7382dc89622c64f918d09f32815827772628f8e.1446044837.git.berto@igalia.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-11-12 16:22:45 +01:00
..
block block: Compute minimum, maximum and average I/O latencies 2015-11-12 16:22:45 +01:00
crypto crypto: introduce new module for handling TLS sessions 2015-09-15 15:07:43 +01:00
disas disas: Add print_insn to disassemble info 2015-07-09 15:20:40 +02:00
exec qemu_ram_block_by_name 2015-11-10 14:51:48 +01:00
fpu softfloat: expand out STATUS macro 2015-02-06 16:11:38 +00:00
hw e1000: Introducing backward compatibility command line parameter 2015-11-12 15:26:54 +08:00
libdecnumber Fix new typos in comments (found by codespell) 2014-07-18 17:45:36 +04:00
migration Postcopy: Mark nohugepage before discard 2015-11-10 15:00:28 +01:00
monitor monitor/target-ppc: Define target_get_monitor_def 2015-11-12 14:53:36 +11:00
net vhost user: add rarp sending after live migration for legacy guest 2015-10-22 14:34:49 +03:00
qapi qapi: Simplify error cleanup in test-qmp-* 2015-11-10 08:08:21 +01:00
qemu util: Infrastructure for computing recent averages 2015-11-12 16:22:45 +01:00
qom qom/object: fix 2 comment typos 2015-11-06 15:42:38 +03:00
standard-headers linux-headers: update from kvm/next 2015-10-12 18:29:26 +02:00
sysemu block: Add blk_get_refcnt() 2015-11-11 16:55:28 +01:00
ui replay: recording of the user input 2015-11-06 10:16:03 +01:00
config.h janitor: move remaining public headers to include/ 2012-12-19 08:32:46 +01:00
elf.h elf: Update EM_MOXIE definition 2015-09-25 12:04:43 +02:00
glib-compat.h glib: add compatibility interface for g_hash_table_add() 2015-10-30 09:01:03 +01:00
qemu-common.h Move page_size_init earlier 2015-11-10 14:51:48 +01:00
qemu-io.h qemu-io: Use BlockBackend 2015-02-16 15:07:19 +00:00
qjson.h QJSON: Add JSON writer 2015-02-05 17:16:14 +01:00
trace-tcg.h trace: [tcg] Generate TCG tracing routines 2014-08-12 14:26:12 +01:00
trace.h trace: [tcg] Include event definitions in "trace.h" 2014-08-12 14:26:12 +01:00