On Fri, Aug 30, 2019 at 09:19:01AM -0300, vandersonmr wrote: > 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 > > This adds --perf command-line option to dump Linux Perf > jitdump files. These files are used to enhant Perf report > and to be able to analyze and dump JITed code with perf. > > Example of use: > perf record -k 1 qemu-x86_64 -perf ./a.out > perf inject -j -i perf.data -o perf.data.jitted > perf report -i perf.data.jitted
Please include a changelog in the future so reviewers know what to look out for in this new revision. For example: v2: * Fix foo in bar() [Bob] (where Bob is the reviewer who requested the change) > vandersonmr (2): > accel/tcg: adding integration with linux perf > tb-stats: adding TBStatistics info into perf dump > > accel/tcg/Makefile.objs | 1 + > accel/tcg/perf/Makefile.objs | 1 + > accel/tcg/perf/jitdump.c | 206 +++++++++++++++++++++++++++++++++++ > accel/tcg/perf/jitdump.h | 36 ++++++ > accel/tcg/translate-all.c | 14 +++ > include/qemu-common.h | 3 + > linux-user/main.c | 7 ++ > os-posix.c | 3 + > qemu-options.hx | 11 ++ > 9 files changed, 282 insertions(+) > create mode 100644 accel/tcg/perf/Makefile.objs > create mode 100644 accel/tcg/perf/jitdump.c > create mode 100644 accel/tcg/perf/jitdump.h > > -- > 2.22.0 > >
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