Re: [PATCH v2 9/9] perf cs-etm: Show a warning for an unknown magic number

From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Leo Yan <leo.yan@linaro.org>
Cc: James Clark <james.clark@arm.com>,
	mathieu.poirier@linaro.org, coresight@lists.linaro.org,
	linux-perf-users@vger.kernel.org, mike.leach@linaro.org,
	suzuki.poulose@arm.com, John Garry <john.garry@huawei.com>,
	Will Deacon <will@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 9/9] perf cs-etm: Show a warning for an unknown magic number
Date: Wed, 1 Sep 2021 13:07:41 -0300	[thread overview]
Message-ID: <YS+lTXyuC+9VTrxd@kernel.org> (raw)
In-Reply-To: <YS+iOrcPTzQfmbqU@kernel.org>

Em Wed, Sep 01, 2021 at 12:54:34PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Tue, Aug 24, 2021 at 04:36:15PM +0800, Leo Yan escreveu:
> > On Fri, Aug 06, 2021 at 02:41:09PM +0100, James Clark wrote:
> > > Currently perf reports "Cannot allocate memory" which isn't very helpful
> > > for a potentially user facing issue. If we add a new magic number in
> > > the future, perf will be able to report unrecognised magic numbers.
> > > 
> > > Signed-off-by: James Clark <james.clark@arm.com>
> > 
> > Reviewed-by: Leo Yan <leo.yan@linaro.org>
> 
> Applies cleanly to my tree, test building it now, holler if there is
> something that prevents it from being merged.

I´m now trying to fix this up, I applied it using 'b4', so no patch
should have gone missing...

⬢[acme@toolbox perf]$ time make -C tools/perf build-test
make: Entering directory '/var/home/acme/git/perf/tools/perf'
- tarpkg: ./tests/perf-targz-src-pkg .
                 make_static: cd . && make LDFLAGS=-static NO_PERF_READ_VDSO32=1 NO_PERF_READ_VDSOX32=1 NO_JVMTI=1 -j24  DESTDIR=/tmp/tmp.tw23W3JC1W
              make_with_gtk2: cd . && make GTK2=1 -j24  DESTDIR=/tmp/tmp.F7gN4e98pK
                 make_tags_O: cd . && make tags FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j24 O=/tmp/tmp.tQVbhFdXKU DESTDIR=/tmp/tmp.1vbvWgUYUv
             make_no_slang_O: cd . && make NO_SLANG=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j24 O=/tmp/tmp.2L0POmKIip DESTDIR=/tmp/tmp.0qTYEQTY8e
          make_no_demangle_O: cd . && make NO_DEMANGLE=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j24 O=/tmp/tmp.Wh3kRYOFJo DESTDIR=/tmp/tmp.ih1nESGU6N
               make_no_sdt_O: cd . && make NO_SDT=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j24 O=/tmp/tmp.zw3NugHqvZ DESTDIR=/tmp/tmp.li1bxbfYOZ
         make_no_backtrace_O: cd . && make NO_BACKTRACE=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j24 O=/tmp/tmp.66VxfiD04f DESTDIR=/tmp/tmp.PIgwBwGEZz
       make_install_prefix_O: cd . && make install prefix=/tmp/krava FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j24 O=/tmp/tmp.s6u85zKKjU DESTDIR=/tmp/tmp.2FJoF1mCRB
       make_with_coresight_O: cd . && make CORESIGHT=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j24 O=/tmp/tmp.kQs4YxWFpL DESTDIR=/tmp/tmp.z93leAThcc
cd . && make CORESIGHT=1 FEATURES_DUMP=/var/home/acme/git/perf/tools/perf/BUILD_TEST_FEATURE_DUMP -j24 O=/tmp/tmp.kQs4YxWFpL DESTDIR=/tmp/tmp.z93leAThcc
  BUILD:   Doing 'make -j24' parallel build
  HOSTCC  /tmp/tmp.kQs4YxWFpL/fixdep.o
  HOSTLD  /tmp/tmp.kQs4YxWFpL/fixdep-in.o
  LINK    /tmp/tmp.kQs4YxWFpL/fixdep
Makefile.config:1038: No openjdk development package found, please install JDK package, e.g. openjdk-8-jdk, java-1.8.0-openjdk-devel
  GEN     /tmp/tmp.kQs4YxWFpL/common-cmds.h
  CC      /tmp/tmp.kQs4YxWFpL/exec-cmd.o
  CC      /tmp/tmp.kQs4YxWFpL/help.o
  <SNIP>
  CC      /tmp/tmp.kQs4YxWFpL/util/auxtrace.o
  MKDIR   /tmp/tmp.kQs4YxWFpL/util/intel-pt-decoder/
  CC      /tmp/tmp.kQs4YxWFpL/util/intel-pt-decoder/intel-pt-pkt-decoder.o
  MKDIR   /tmp/tmp.kQs4YxWFpL/util/arm-spe-decoder/
  MKDIR   /tmp/tmp.kQs4YxWFpL/util/arm-spe-decoder/
  CC      /tmp/tmp.kQs4YxWFpL/util/arm-spe-decoder/arm-spe-pkt-decoder.o
  CC      /tmp/tmp.kQs4YxWFpL/util/arm-spe-decoder/arm-spe-decoder.o
  MKDIR   /tmp/tmp.kQs4YxWFpL/util/intel-pt-decoder/
  GEN     /tmp/tmp.kQs4YxWFpL/util/intel-pt-decoder/inat-tables.c
  MKDIR   /tmp/tmp.kQs4YxWFpL/util/cs-etm-decoder/
  CC      /tmp/tmp.kQs4YxWFpL/util/cs-etm-decoder/cs-etm-decoder.o
  CC      /tmp/tmp.kQs4YxWFpL/util/intel-pt-decoder/intel-pt-log.o
  MKDIR   /tmp/tmp.kQs4YxWFpL/util/scripting-engines/
  CC      /tmp/tmp.kQs4YxWFpL/util/scripting-engines/trace-event-perl.o
  CC      /tmp/tmp.kQs4YxWFpL/util/intel-bts.o
  MKDIR   /tmp/tmp.kQs4YxWFpL/util/scripting-engines/
  CC      /tmp/tmp.kQs4YxWFpL/util/intel-pt.o
  CC      /tmp/tmp.kQs4YxWFpL/util/scripting-engines/trace-event-python.o
  CC      /tmp/tmp.kQs4YxWFpL/util/arm-spe.o
  CC      /tmp/tmp.kQs4YxWFpL/util/s390-cpumsf.o
util/cs-etm-decoder/cs-etm-decoder.c:161:44: error: unknown type name ‘ocsd_ete_cfg’; did you mean ‘ocsd_stm_cfg’?
  161 |                                            ocsd_ete_cfg *config)
      |                                            ^~~~~~~~~~~~
      |                                            ocsd_stm_cfg
util/cs-etm-decoder/cs-etm-decoder.c: In function ‘cs_etm_decoder__create_etm_decoder’:
util/cs-etm-decoder/cs-etm-decoder.c:620:9: error: unknown type name ‘ocsd_ete_cfg’; did you mean ‘ocsd_stm_cfg’?
  620 |         ocsd_ete_cfg trace_config_ete;
      |         ^~~~~~~~~~~~
      |         ocsd_stm_cfg
util/cs-etm-decoder/cs-etm-decoder.c:639:17: error: implicit declaration of function ‘cs_etm_decoder__gen_ete_config’; did you mean ‘cs_etm_decoder__gen_etmv4_config’? [-Werror=implicit-function-declaration]
  639 |                 cs_etm_decoder__gen_ete_config(t_params, &trace_config_ete);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                 cs_etm_decoder__gen_etmv4_config
cc1: all warnings being treated as errors
make[7]: *** [/var/home/acme/git/perf/tools/build/Makefile.build:97: /tmp/tmp.kQs4YxWFpL/util/cs-etm-decoder/cs-etm-decoder.o] Error 1
make[6]: *** [/var/home/acme/git/perf/tools/build/Makefile.build:139: cs-etm-decoder] Error 2
make[6]: *** Waiting for unfinished jobs....
  CC      /tmp/tmp.kQs4YxWFpL/util/intel-pt-decoder/intel-pt-decoder.o
  CC      /tmp/tmp.kQs4YxWFpL/util/intel-pt-decoder/intel-pt-insn-decoder.o
  LD      /tmp/tmp.kQs4YxWFpL/util/arm-spe-decoder/perf-in.o
  LD      /tmp/tmp.kQs4YxWFpL/util/scripting-engines/perf-in.o
  LD      /tmp/tmp.kQs4YxWFpL/util/intel-pt-decoder/perf-in.o
make[5]: *** [/var/home/acme/git/perf/tools/build/Makefile.build:139: util] Error 2
make[4]: *** [Makefile.perf:658: /tmp/tmp.kQs4YxWFpL/perf-in.o] Error 2
rm /tmp/tmp.kQs4YxWFpL/dlfilters/dlfilter-test-api-v0.o
make[3]: *** [Makefile.perf:238: sub-make] Error 2
make[2]: *** [Makefile:70: all] Error 2
make[1]: *** [tests/make:337: make_with_coresight_O] Error 1
make: *** [Makefile:103: build-test] Error 2
make: Leaving directory '/var/home/acme/git/perf/tools/perf'

real	1m23.257s
user	13m37.871s
sys	2m53.438s
⬢[acme@toolbox perf]$
⬢[acme@toolbox perf]$