From: Leo Yan <leo.yan@linaro.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>,
John Garry <john.g.garry@oracle.com>,
Will Deacon <will@kernel.org>, James Clark <james.clark@arm.com>,
Mike Leach <mike.leach@linaro.org>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
Ian Rogers <irogers@google.com>,
Adrian Hunter <adrian.hunter@intel.com>,
Guo Ren <guoren@kernel.org>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Huacai Chen <chenhuacai@kernel.org>,
Ming Wang <wangming01@loongson.cn>,
Eric Lin <eric.lin@sifive.com>,
Kan Liang <kan.liang@linux.intel.com>,
Sandipan Das <sandipan.das@amd.com>,
Ivan Babrou <ivan@cloudflare.com>,
Fangrui Song <maskray@google.com>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-perf-users@vger.kernel.org, linux-csky@vger.kernel.org,
linux-riscv@lists.infradead.org
Cc: Leo Yan <leo.yan@linaro.org>
Subject: [PATCH v2 0/6] perf parse-regs: Refactor architecture functions
Date: Tue, 6 Jun 2023 09:45:53 +0800 [thread overview]
Message-ID: <20230606014559.21783-1-leo.yan@linaro.org> (raw)
This patch series is to refactor arch related functions for register
parsing, which follows up the discussion for v1:
https://lore.kernel.org/lkml/20230520025537.1811986-1-leo.yan@linaro.org/
Compared to patch series v1, this patch series introduces new functions
perf_arch_reg_{ip|sp}(), so this can allow the tool to support cross
analysis.
To verify the cross analysis, I used below steps:
- Firstly, I captured perf data on Arm64 machine:
$ perf record --call-graph fp -- ./test_program
Or ...
$ perf record --call-graph dwarf -- ./test_program
Then, I also archived associated debug data:
$ perf archive
- Secondly, I copied the perf data file and debug tar file on my x86
machine:
$ scp perf.data perf.data.tar.bz2 leoy@IP_ADDRESS:/target/path/
- On x86 machine, I need to build perf for support multi-arch unwinding:
$ git clone http://git.savannah.gnu.org/r/libunwind.git
$ cd libunwind
$ autoreconf -i
# Build and install libunwind aarch64:
$ ./configure prefix=/home/leoy/Work/tools/libunwind/install/ \
--target=aarch64-linux-gnu CC=x86_64-linux-gnu-gcc
$ make && make install
# Build and install libunwind x86:
$ ./configure prefix=/home/leoy/Work/tools/libunwind/install/ \
--target=x86_64-linux-gnu CC=x86_64-linux-gnu-gcc
$ make && make install
- Build perf tool for support multi-archs:
$ cd $LINUX/tools/perf
$ make VF=1 DEBUG=1 LIBUNWIND_DIR=/home/leoy/Work/tools/libunwind/install
At the end, I verified the x86 perf tool can do cross analysis for aarch64's
perf data file.
Note, I still see x86 perf tool cannot display the complete callgraph
for aarch64, but it should not the issue caused by this series, which
will be addressed by separate patches.
I also built this patch series on my Arm64 and x86 machines, both can
compile perf tool successfully; but I have no chance to build other
archs natively.
Changes from v1:
- For support cross analysis for IP/SP registers, introduced patch 0002
(James Clark, Ian Rogers).
Leo Yan (6):
perf parse-regs: Refactor arch register parsing functions
perf parse-regs: Introduce functions perf_arch_reg_{ip|sp}()
perf unwind: Use perf_arch_reg_{ip|sp}() to substitute macros
perf parse-regs: Remove unused macros PERF_REG_{IP|SP}
perf parse-regs: Remove PERF_REGS_{MAX|MASK} from common code
perf parse-regs: Move out arch specific header from util/perf_regs.h
tools/perf/arch/arm/include/perf_regs.h | 3 -
tools/perf/arch/arm/util/perf_regs.c | 11 +
tools/perf/arch/arm/util/unwind-libdw.c | 1 +
tools/perf/arch/arm64/include/perf_regs.h | 3 -
tools/perf/arch/arm64/util/machine.c | 1 +
tools/perf/arch/arm64/util/perf_regs.c | 6 +
tools/perf/arch/arm64/util/unwind-libdw.c | 1 +
tools/perf/arch/csky/include/perf_regs.h | 3 -
tools/perf/arch/csky/util/perf_regs.c | 11 +
tools/perf/arch/csky/util/unwind-libdw.c | 1 +
tools/perf/arch/loongarch/include/perf_regs.h | 2 -
tools/perf/arch/loongarch/util/perf_regs.c | 11 +
tools/perf/arch/loongarch/util/unwind-libdw.c | 1 +
tools/perf/arch/mips/include/perf_regs.h | 2 -
tools/perf/arch/mips/util/perf_regs.c | 11 +
tools/perf/arch/powerpc/include/perf_regs.h | 3 -
tools/perf/arch/powerpc/util/perf_regs.c | 6 +
tools/perf/arch/powerpc/util/unwind-libdw.c | 1 +
tools/perf/arch/riscv/include/perf_regs.h | 3 -
tools/perf/arch/riscv/util/perf_regs.c | 11 +
tools/perf/arch/riscv/util/unwind-libdw.c | 1 +
tools/perf/arch/s390/include/perf_regs.h | 3 -
tools/perf/arch/s390/util/perf_regs.c | 11 +
tools/perf/arch/s390/util/unwind-libdw.c | 1 +
tools/perf/arch/x86/include/perf_regs.h | 2 -
tools/perf/arch/x86/util/perf_regs.c | 6 +
tools/perf/arch/x86/util/unwind-libdw.c | 1 +
tools/perf/util/Build | 1 +
tools/perf/util/evsel.c | 6 +-
tools/perf/util/libunwind/arm64.c | 2 -
tools/perf/util/libunwind/x86_32.c | 2 -
tools/perf/util/perf-regs-arch/Build | 9 +
.../util/perf-regs-arch/perf_regs_aarch64.c | 96 +++
.../perf/util/perf-regs-arch/perf_regs_arm.c | 60 ++
.../perf/util/perf-regs-arch/perf_regs_csky.c | 100 +++
.../util/perf-regs-arch/perf_regs_loongarch.c | 91 +++
.../perf/util/perf-regs-arch/perf_regs_mips.c | 87 ++
.../util/perf-regs-arch/perf_regs_powerpc.c | 145 ++++
.../util/perf-regs-arch/perf_regs_riscv.c | 92 +++
.../perf/util/perf-regs-arch/perf_regs_s390.c | 96 +++
.../perf/util/perf-regs-arch/perf_regs_x86.c | 98 +++
tools/perf/util/perf_regs.c | 772 ++----------------
tools/perf/util/perf_regs.h | 49 +-
tools/perf/util/unwind-libdw.c | 7 +-
tools/perf/util/unwind-libunwind-local.c | 6 +-
tools/perf/util/unwind.h | 8 -
46 files changed, 1078 insertions(+), 766 deletions(-)
create mode 100644 tools/perf/util/perf-regs-arch/Build
create mode 100644 tools/perf/util/perf-regs-arch/perf_regs_aarch64.c
create mode 100644 tools/perf/util/perf-regs-arch/perf_regs_arm.c
create mode 100644 tools/perf/util/perf-regs-arch/perf_regs_csky.c
create mode 100644 tools/perf/util/perf-regs-arch/perf_regs_loongarch.c
create mode 100644 tools/perf/util/perf-regs-arch/perf_regs_mips.c
create mode 100644 tools/perf/util/perf-regs-arch/perf_regs_powerpc.c
create mode 100644 tools/perf/util/perf-regs-arch/perf_regs_riscv.c
create mode 100644 tools/perf/util/perf-regs-arch/perf_regs_s390.c
create mode 100644 tools/perf/util/perf-regs-arch/perf_regs_x86.c
--
2.34.1
_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv
next reply other threads:[~2023-06-06 1:46 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-06 1:45 Leo Yan [this message]
2023-06-06 1:45 ` [PATCH v2 1/6] perf parse-regs: Refactor arch register parsing functions Leo Yan
2023-06-06 1:45 ` [PATCH v2 2/6] perf parse-regs: Introduce functions perf_arch_reg_{ip|sp}() Leo Yan
2023-06-06 1:45 ` [PATCH v2 3/6] perf unwind: Use perf_arch_reg_{ip|sp}() to substitute macros Leo Yan
2023-06-06 1:45 ` [PATCH v2 4/6] perf parse-regs: Remove unused macros PERF_REG_{IP|SP} Leo Yan
2023-06-06 1:45 ` [PATCH v2 5/6] perf parse-regs: Remove PERF_REGS_{MAX|MASK} from common code Leo Yan
2023-06-06 1:45 ` [PATCH v2 6/6] perf parse-regs: Move out arch specific header from util/perf_regs.h Leo Yan
2023-07-12 22:37 ` [PATCH v2 0/6] perf parse-regs: Refactor architecture functions Ian Rogers
2023-08-15 18:24 ` Arnaldo Carvalho de Melo
2023-08-15 18:45 ` Arnaldo Carvalho de Melo
2023-08-15 18:52 ` Arnaldo Carvalho de Melo
2023-08-15 18:57 ` Arnaldo Carvalho de Melo
2023-08-16 2:07 ` Leo Yan
2023-08-16 11:46 ` Arnaldo Carvalho de Melo
2023-08-16 11:48 ` Arnaldo Carvalho de Melo
2023-08-17 9:23 ` Leo Yan
2023-08-17 9:12 ` Leo Yan
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20230606014559.21783-1-leo.yan@linaro.org \
--to=leo.yan@linaro.org \
--cc=acme@kernel.org \
--cc=adrian.hunter@intel.com \
--cc=alexander.shishkin@linux.intel.com \
--cc=aou@eecs.berkeley.edu \
--cc=chenhuacai@kernel.org \
--cc=eric.lin@sifive.com \
--cc=guoren@kernel.org \
--cc=irogers@google.com \
--cc=ivan@cloudflare.com \
--cc=james.clark@arm.com \
--cc=john.g.garry@oracle.com \
--cc=jolsa@kernel.org \
--cc=kan.liang@linux.intel.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-csky@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-perf-users@vger.kernel.org \
--cc=linux-riscv@lists.infradead.org \
--cc=mark.rutland@arm.com \
--cc=maskray@google.com \
--cc=mike.leach@linaro.org \
--cc=mingo@redhat.com \
--cc=namhyung@kernel.org \
--cc=palmer@dabbelt.com \
--cc=paul.walmsley@sifive.com \
--cc=peterz@infradead.org \
--cc=sandipan.das@amd.com \
--cc=wangming01@loongson.cn \
--cc=will@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).