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[Qemu-devel] [PATCH v6 00/10] Measure Tiny Code Generation Quality
From: |
vandersonmr |
Subject: |
[Qemu-devel] [PATCH v6 00/10] Measure Tiny Code Generation Quality |
Date: |
Wed, 21 Aug 2019 14:23:19 -0300 |
This patch is part of Google Summer of Code (GSoC) 2019.
More about the project can be found in:
https://wiki.qemu.org/Internships/ProjectIdeas/TCGCodeQuality
The goal of this patch is to add infrastructure to collect
execution and JIT statistics during the emulation with accel/TCG.
The statistics are stored in TBStatistic structures (TBStats)
with each TB having its respective TBStats.
We added -d tb_stats and HMP tb_stats commands to allow the control
of this statistics collection. And info tb, tbs, and coverset commands
were also added to allow dumping and exploring all this information
while emulating.
Collecting these statistics and information is useful to understand
qemu performance and to help to add the support for traces to QEMU.
v6:
- applying comments from V5.
- change info tbs to info tb-list
- fix crash when dumping tb's targets
- fix "liveness/code time" calculation
v5:
- full replacement of CONFIG_PROFILER
- several fixes
- adds "info cfg"
- adds TB's targets to dump
vandersonmr (10):
accel: introducing TBStatistics structure
accel: collecting TB execution count
accel: collecting JIT statistics
accel: replacing part of CONFIG_PROFILER with TBStats
accel: adding TB_JIT_TIME and full replacing CONFIG_PROFILER
log: adding -d tb_stats to control tbstats
monitor: adding tb_stats hmp command
Adding info [tb-list|tb|coverset] commands to HMP.
monitor: adding new info cfg command
linux-user: dumping hot TBs at the end of the execution
accel/tcg/Makefile.objs | 2 +-
accel/tcg/cpu-exec.c | 4 +
accel/tcg/perf/Makefile.objs | 1 +
accel/tcg/tb-stats.c | 877 +++++++++++++++++++++++++++++++++++
accel/tcg/tcg-runtime.c | 7 +
accel/tcg/tcg-runtime.h | 2 +
accel/tcg/translate-all.c | 132 ++++--
accel/tcg/translator.c | 6 +
configure | 3 -
cpus.c | 14 +-
disas.c | 31 +-
hmp-commands-info.hx | 31 ++
hmp-commands.hx | 17 +
include/exec/exec-all.h | 15 +-
include/exec/gen-icount.h | 10 +
include/exec/tb-context.h | 12 +
include/exec/tb-hash.h | 7 +
include/exec/tb-stats.h | 144 ++++++
include/qemu-common.h | 16 +
include/qemu/log-for-trace.h | 4 +
include/qemu/log.h | 3 +
include/qemu/timer.h | 5 +-
linux-user/exit.c | 4 +
monitor/misc.c | 171 ++++++-
tcg/tcg.c | 231 +++------
tcg/tcg.h | 22 +-
util/log.c | 90 +++-
vl.c | 8 +-
28 files changed, 1585 insertions(+), 284 deletions(-)
create mode 100644 accel/tcg/perf/Makefile.objs
create mode 100644 accel/tcg/tb-stats.c
create mode 100644 include/exec/tb-stats.h
--
2.22.0
- [Qemu-devel] [PATCH v6 00/10] Measure Tiny Code Generation Quality,
vandersonmr <=
- [Qemu-devel] [PATCH v6 01/10] accel: introducing TBStatistics structure, vandersonmr, 2019/08/21
- [Qemu-devel] [PATCH v6 02/10] accel: collecting TB execution count, vandersonmr, 2019/08/21
- [Qemu-devel] [PATCH v6 03/10] accel: collecting JIT statistics, vandersonmr, 2019/08/21
- [Qemu-devel] [PATCH v6 04/10] accel: replacing part of CONFIG_PROFILER with TBStats, vandersonmr, 2019/08/21
- [Qemu-devel] [PATCH v6 06/10] log: adding -d tb_stats to control tbstats, vandersonmr, 2019/08/21
- [Qemu-devel] [PATCH v6 05/10] accel: adding TB_JIT_TIME and full replacing CONFIG_PROFILER, vandersonmr, 2019/08/21