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 13:49:51 -0300 [thread overview]
Message-ID: <YS+vL2SYCCVLAXVp@kernel.org> (raw)
In-Reply-To: <YS+pgZMpFmnRlMuT@kernel.org>
Em Wed, Sep 01, 2021 at 01:25:37PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Wed, Sep 01, 2021 at 01:16:56PM -0300, Arnaldo Carvalho de Melo escreveu:
> > Em Wed, Sep 01, 2021 at 01:07:41PM -0300, Arnaldo Carvalho de Melo escreveu:
> > > Em Wed, Sep 01, 2021 at 12:54:34PM -0300, Arnaldo Carvalho de Melo escreveu:
> > > > 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...
> > So its probably related to:
> > ⬢[acme@toolbox perf]$ rpm -qa | grep opencsd
> > opencsd-1.0.0-1.fc34.x86_64
> > opencsd-devel-1.0.0-1.fc34.x86_64
> > ⬢[acme@toolbox perf]$
> > In which case the usual mechanism is to test if we have what is needed
> > via tools/build/feature/test-_____.c, lemme check...
> There is a test and it fails, of course:
> ⬢[acme@toolbox perf]$ cat /tmp/build/perf/feature/test-libopencsd.make.output
> test-libopencsd.c:9:2: error: #error "OpenCSD >= 1.1.1 is required"
> 9 | #error "OpenCSD >= 1.1.1 is required"
> | ^~~~~
> ⬢[acme@toolbox perf]$
> But the fact that I ask for CORESIGHT=1 should have the build fail then,
> i.e. if one explicitely asks for a feature and it can't be built, fail
> the whole build.
So after uninstalling the libopencsd that comes with fedora 34 and
cloning the upstream OpenCSD git repo, building it and installing in
/usr/local/ it seems to work as expected:
⬢[acme@toolbox perf]$ rm -rf /tmp/build/perf ; mkdir -p /tmp/build/perf ;
⬢[acme@toolbox perf]$ make O=/tmp/build/perf VF=1 CORESIGHT=1 O=/tmp/build/perf -C tools/perf install-bin |& grep -i opencsd
... libopencsd: [ on ]
⬢[acme@toolbox perf]$ cat /tmp/build/perf/feature/test-libopencsd.make.output
⬢[acme@toolbox perf]$
⬢[acme@toolbox perf]$
⬢[acme@toolbox perf]$ ldd ~/bin/perf | grep opencsd
libopencsd_c_api.so.1 => not found
⬢[acme@toolbox perf]$ export LD_LIBRARY_PATH=/usr/local/lib
⬢[acme@toolbox perf]$ ldd ~/bin/perf | grep opencsd
libopencsd_c_api.so.1 => /usr/local/lib/libopencsd_c_api.so.1 (0x00007f839e8b2000)
libopencsd.so.1 => /usr/local/lib/libopencsd.so.1 (0x00007f839da3c000)
⬢[acme@toolbox perf]$
⬢[acme@toolbox perf]$
⬢[acme@toolbox perf]$
⬢[acme@toolbox perf]$ ldd /tmp/build/perf/feature/test-libopencsd.bin
linux-vdso.so.1 (0x00007ffd669b3000)
libopencsd_c_api.so.1 => /usr/local/lib/libopencsd_c_api.so.1 (0x00007fe608b8c000)
libopencsd.so.1 => /usr/local/lib/libopencsd.so.1 (0x00007fe608af5000)
libc.so.6 => /lib64/libc.so.6 (0x00007fe60891e000)
libstdc++.so.6 => /lib64/libstdc++.so.6 (0x00007fe6086ff000)
libm.so.6 => /lib64/libm.so.6 (0x00007fe6085bb000)
libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007fe6085a0000)
/lib64/ld-linux-x86-64.so.2 (0x00007fe608ba2000)
⬢[acme@toolbox perf]$ ls -la /usr/local/lib/libopencsd*
-rw-r--r--. 1 root root 1641364 Sep 1 13:41 /usr/local/lib/libopencsd.a
-rw-r--r--. 1 root root 168022 Sep 1 13:41 /usr/local/lib/libopencsd_c_api.a
lrwxrwxrwx. 1 root root 21 Sep 1 13:41 /usr/local/lib/libopencsd_c_api.so -> libopencsd_c_api.so.1
lrwxrwxrwx. 1 root root 25 Sep 1 13:41 /usr/local/lib/libopencsd_c_api.so.1 -> libopencsd_c_api.so.1.1.1
-rw-r--r--. 1 root root 104968 Sep 1 13:41 /usr/local/lib/libopencsd_c_api.so.1.1.1
lrwxrwxrwx. 1 root root 15 Sep 1 13:41 /usr/local/lib/libopencsd.so -> libopencsd.so.1
lrwxrwxrwx. 1 root root 19 Sep 1 13:41 /usr/local/lib/libopencsd.so.1 -> libopencsd.so.1.1.1
-rw-r--r--. 1 root root 762432 Sep 1 13:41 /usr/local/lib/libopencsd.so.1.1.1
⬢[acme@toolbox perf]$
This doesn't explain that 'make -C tools/perf build-test' error, perhaps
it is reusing the feature dump (feature detection), done without
CORESIGHT=1, when building with CORESIGHT=1 :-\
Anyway, please consider making the build fail when CORESIGHT=1 is passed
explicitely and that tools/build/feature-libopencsd.c feature test fails
instead of silently building the tool _without_ the explicitely asked
for feature.
Thanks,
- Arnaldo
next prev parent reply other threads:[~2021-09-01 16:49 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-06 13:41 [PATCH v2 0/9] Support ETE decoding James Clark
2021-08-06 13:41 ` [PATCH v2 1/9] perf cs-etm: Refactor initialisation of decoder params James Clark
2021-09-03 8:52 ` Suzuki K Poulose
2021-09-03 11:05 ` Arnaldo Carvalho de Melo
2021-09-05 21:24 ` Mike Leach
2021-08-06 13:41 ` [PATCH v2 2/9] perf cs-etm: Initialise architecture based on TRCIDR1 James Clark
2021-08-24 6:53 ` Leo Yan
2021-09-03 8:55 ` Suzuki K Poulose
2021-09-03 11:07 ` Arnaldo Carvalho de Melo
2021-09-05 21:24 ` Mike Leach
2021-08-06 13:41 ` [PATCH v2 3/9] perf cs-etm: Refactor out ETMv4 header saving James Clark
2021-08-24 6:58 ` Leo Yan
2021-09-03 8:56 ` Suzuki K Poulose
2021-09-05 21:24 ` Mike Leach
2021-08-06 13:41 ` [PATCH v2 4/9] perf cs-etm: Save TRCDEVARCH register James Clark
2021-08-24 7:14 ` Leo Yan
2021-09-03 9:08 ` Suzuki K Poulose
2021-09-03 11:15 ` Arnaldo Carvalho de Melo
2021-09-05 21:24 ` Mike Leach
2021-08-06 13:41 ` [PATCH v2 5/9] perf cs-etm: Fix typo James Clark
2021-08-24 7:15 ` Leo Yan
2021-09-03 9:09 ` Suzuki K Poulose
2021-09-05 21:24 ` Mike Leach
2021-08-06 13:41 ` [PATCH v2 6/9] perf cs-etm: Update OpenCSD decoder for ETE James Clark
2021-09-03 9:10 ` Suzuki K Poulose
2021-09-03 11:16 ` Arnaldo Carvalho de Melo
2021-09-05 21:24 ` Mike Leach
2021-08-06 13:41 ` [PATCH v2 7/9] perf cs-etm: Create ETE decoder James Clark
2021-08-24 8:33 ` Leo Yan
2021-08-25 10:13 ` James Clark
2021-09-03 9:15 ` Suzuki K Poulose
2021-09-03 11:16 ` Arnaldo Carvalho de Melo
2021-09-05 21:24 ` Mike Leach
2021-08-06 13:41 ` [PATCH v2 8/9] perf cs-etm: Print the decoder name James Clark
2021-09-03 9:17 ` Suzuki K Poulose
2021-09-03 11:18 ` Arnaldo Carvalho de Melo
2021-09-03 11:52 ` Arnaldo Carvalho de Melo
2021-09-05 21:24 ` Mike Leach
2021-08-06 13:41 ` [PATCH v2 9/9] perf cs-etm: Show a warning for an unknown magic number James Clark
2021-08-24 8:36 ` Leo Yan
2021-09-01 15:54 ` Arnaldo Carvalho de Melo
2021-09-01 16:07 ` Arnaldo Carvalho de Melo
2021-09-01 16:16 ` Arnaldo Carvalho de Melo
2021-09-01 16:25 ` Arnaldo Carvalho de Melo
2021-09-01 16:49 ` Arnaldo Carvalho de Melo [this message]
2021-09-02 7:53 ` Leo Yan
2021-09-02 17:48 ` Mathieu Poirier
2021-09-02 18:19 ` Arnaldo Carvalho de Melo
2021-09-02 19:22 ` Mathieu Poirier
2021-09-05 21:24 ` Mike Leach
2021-08-24 8:47 ` [PATCH v2 0/9] Support ETE decoding Leo Yan
2021-08-25 10:14 ` James Clark
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