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

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Date:   Tue, 15 Aug 2023 15:57:17 -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 03:52:38PM -0300, Arnaldo Carvalho de Melo escreveu:
> 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

+#include "util/env.h"

As now we need it for perf_env__arch(ui->machine->env)
 
>   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

-- 

- Arnaldo