linux-kernel - Re: [PATCH v2 0/6] perf parse-regs: Refactor architecture functions

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Date:   Tue, 15 Aug 2023 15:52:38 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ian Rogers <irogers@...gle.com>
Cc:     Leo Yan <leo.yan@...aro.org>, John Garry <john.g.garry@...cle.com>,
        Will Deacon <will@...nel.org>,
        James Clark <james.clark@....com>,
        Mike Leach <mike.leach@...aro.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Guo Ren <guoren@...nel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Huacai Chen <chenhuacai@...nel.org>,
        Ming Wang <wangming01@...ngson.cn>,
        Eric Lin <eric.lin@...ive.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Sandipan Das <sandipan.das@....com>,
        Ivan Babrou <ivan@...udflare.com>,
        Fangrui Song <maskray@...gle.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-perf-users@...r.kernel.org, linux-csky@...r.kernel.org,
        linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v2 0/6] perf parse-regs: Refactor architecture functions

Em Tue, Aug 15, 2023 at 03:45:27PM -0300, Arnaldo Carvalho de Melo escreveu:
> > Agreed, applied to perf-tools-next, sorry for the delay.
> 
> Had to add this to make 'perf test python' to work. Please run 'perf
> test' before sending patches.

One more, please also do a 'make -C tools/perf build-test', with it I
caught this:

         make_no_libunwind_O: cd . && make NO_LIBUNWIND=1 FEATURES_DUMP=/var/home/acme/git/perf-tools-next/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.yeEGyQq2HR DESTDIR=/tmp/tmp.ITgoO16jjH
cd . && make NO_LIBUNWIND=1 FEATURES_DUMP=/var/home/acme/git/perf-tools-next/tools/perf/BUILD_TEST_FEATURE_DUMP -j32 O=/tmp/tmp.yeEGyQq2HR DESTDIR=/tmp/tmp.ITgoO16jjH

  CC      /tmp/tmp.yeEGyQq2HR/util/expr-flex.o
util/unwind-libdw.c: In function ‘memory_read’:
util/unwind-libdw.c:173:28: error: implicit declaration of function ‘perf_env__arch’ [-Werror=implicit-function-declaration]
  173 |         const char *arch = perf_env__arch(ui->machine->env);
      |                            ^~~~~~~~~~~~~~
util/unwind-libdw.c:173:28: error: initialization of ‘const char *’ from ‘int’ makes pointer from integer without a cast [-Werror=int-conversion]
util/unwind-libdw.c: In function ‘unwind__get_entries’:
util/unwind-libdw.c:258:28: error: initialization of ‘const char *’ from ‘int’ makes pointer from integer without a cast [-Werror=int-conversion]
  258 |         const char *arch = perf_env__arch(ui_buf.machine->env);
      |                            ^~~~~~~~~~~~~~
cc1: all warnings being treated as errors
make[6]: *** [/var/home/acme/git/perf-tools-next/tools/build/Makefile.build:98: /tmp/tmp.yeEGyQq2HR/util/unwind-libdw.o] Error 1
make[6]: *** Waiting for unfinished jobs....
make[5]: *** [/var/home/acme/git/perf-tools-next/tools/build/Makefile.build:150: util] Error 2
make[4]: *** [Makefile.perf:662: /tmp/tmp.yeEGyQq2HR/perf-in.o] Error 2
make[4]: *** Waiting for unfinished jobs....
  CC      /tmp/tmp.yeEGyQq2HR/pmu-events/pmu-events.o
  LD      /tmp/tmp.yeEGyQq2HR/pmu-events/pmu-events-in.o
make[3]: *** [Makefile.perf:238: sub-make] Error 2
make[2]: *** [Makefile:70: all] Error 2
make[1]: *** [tests/make:337: make_no_libunwind_O] Error 1
make: *** [Makefile:103: build-test] Error 2
make: Leaving directory '/var/home/acme/git/perf-tools-next/tools/perf'

real	1m29.784s
user	10m41.597s
sys	2m55.948s
⬢[acme@...lbox perf-tools-next]$

I'm trying to fix