From: Namhyung Kim <namhyung@kernel.org>
To: Jiri Olsa <jolsa@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
lkml <linux-kernel@vger.kernel.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Ingo Molnar <mingo@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Michael Petlan <mpetlan@redhat.com>,
Ian Rogers <irogers@google.com>,
Stephane Eranian <eranian@google.com>
Subject: Re: [PATCHv2 1/9] perf tools: Add build id shell test
Date: Fri, 2 Oct 2020 22:07:06 +0900 [thread overview]
Message-ID: <CAM9d7chyjSaqhjjT4myfs5p9ExH-3Rugme-OFaF8454yO4_s1w@mail.gmail.com> (raw)
In-Reply-To: <20201001190530.GD3999500@krava>
Hi Jiri,
On Fri, Oct 2, 2020 at 4:05 AM Jiri Olsa <jolsa@redhat.com> wrote:
>
> Adding test for build id cache that adds binary
> with sha1 and md5 build ids and verifies it's
> added properly.
>
> The test updates build id cache with perf record
> and perf buildid-cache -a.
>
> Signed-off-by: Jiri Olsa <jolsa@kernel.org>
> ---
> v2 changes:
> - detect perf build directory when checking for build-ex* binaries
>
> tools/perf/Makefile.perf | 14 +++++
> tools/perf/tests/shell/buildid.sh | 101 ++++++++++++++++++++++++++++++
> 2 files changed, 115 insertions(+)
> create mode 100755 tools/perf/tests/shell/buildid.sh
>
> diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
> index 920d8afb9238..b2aeefa64e92 100644
> --- a/tools/perf/Makefile.perf
> +++ b/tools/perf/Makefile.perf
> @@ -126,6 +126,8 @@ include ../scripts/utilities.mak
> #
> # Define NO_LIBDEBUGINFOD if you do not want support debuginfod
> #
> +# Define NO_BUILDID_EX if you do not want buildid-ex-* binaries
> +#
>
> # As per kernel Makefile, avoid funny character set dependencies
> unexport LC_ALL
> @@ -349,6 +351,11 @@ ifndef NO_PERF_READ_VDSOX32
> PROGRAMS += $(OUTPUT)perf-read-vdsox32
> endif
>
> +ifndef NO_BUILDID_EX
> +PROGRAMS += $(OUTPUT)buildid-ex-sha1
> +PROGRAMS += $(OUTPUT)buildid-ex-md5
> +endif
> +
> LIBJVMTI = libperf-jvmti.so
>
> ifndef NO_JVMTI
> @@ -756,6 +763,13 @@ $(OUTPUT)perf-read-vdsox32: perf-read-vdso.c util/find-map.c
> $(QUIET_CC)$(CC) -mx32 $(filter -static,$(LDFLAGS)) -Wall -Werror -o $@ perf-read-vdso.c
> endif
>
> +ifndef NO_BUILDID_EX
> +$(OUTPUT)buildid-ex-sha1:
> + $(QUIET_LINK)echo 'int main(void) { return 0; }' | $(CC) -Wl,--build-id=sha1 -o $@ -x c -
> +$(OUTPUT)buildid-ex-md5:
> + $(QUIET_LINK)echo 'int main(void) { return 0; }' | $(CC) -Wl,--build-id=md5 -o $@ -x c -
> +endif
Can we just build them in the test shell script instead?
Thanks
Namhyung
> +
> ifndef NO_JVMTI
> LIBJVMTI_IN := $(OUTPUT)jvmti/jvmti-in.o
>
> diff --git a/tools/perf/tests/shell/buildid.sh b/tools/perf/tests/shell/buildid.sh
> new file mode 100755
> index 000000000000..dd9f9c306c34
> --- /dev/null
> +++ b/tools/perf/tests/shell/buildid.sh
> @@ -0,0 +1,101 @@
> +#!/bin/sh
> +# build id cache operations
> +# SPDX-License-Identifier: GPL-2.0
> +
> +ex_md5=buildid-ex-md5
> +ex_sha1=buildid-ex-sha1
> +
> +# skip if there are no test binaries
> +if [ ! -x buildid-ex-sha1 -a ! -x buildid-ex-md5 ]; then
> + ex_dir=$(dirname `which perf`)
> + ex_md5=${ex_dir}/buildid-ex-md5
> + ex_sha1=${ex_dir}/buildid-ex-sha1
> +
> + if [ ! -x ${ex_sha1} -a ! -x ${ex_md5} ]; then
> + echo "failed: no test binaries"
> + exit 2
> + fi
> +fi
> +
> +echo "test binaries: ${ex_sha1} ${ex_md5}"
> +
> +# skip if there's no readelf
> +if [ ! -x `which readelf` ]; then
> + echo "failed: no readelf, install binutils"
> + exit 2
> +fi
> +
> +check()
> +{
> + id=`readelf -n $1 2>/dev/null | grep 'Build ID' | awk '{print $3}'`
> +
> + echo "build id: ${id}"
> +
> + link=${build_id_dir}/.build-id/${id:0:2}/${id:2}
> + echo "link: ${link}"
> +
> + if [ ! -h $link ]; then
> + echo "failed: link ${link} does not exist"
> + exit 1
> + fi
> +
> + file=${build_id_dir}/.build-id/${id:0:2}/`readlink ${link}`/elf
> + echo "file: ${file}"
> +
> + if [ ! -x $file ]; then
> + echo "failed: file ${file} does not exist"
> + exit 1
> + fi
> +
> + diff ${file} ${1}
> + if [ $? -ne 0 ]; then
> + echo "failed: ${file} do not match"
> + exit 1
> + fi
> +
> + echo "OK for ${1}"
> +}
> +
> +test_add()
> +{
> + build_id_dir=$(mktemp -d /tmp/perf.debug.XXX)
> + perf="perf --buildid-dir ${build_id_dir}"
> +
> + ${perf} buildid-cache -v -a ${1}
> + if [ $? -ne 0 ]; then
> + echo "failed: add ${1} to build id cache"
> + exit 1
> + fi
> +
> + check ${1}
> +
> + rm -rf ${build_id_dir}
> +}
> +
> +test_record()
> +{
> + data=$(mktemp /tmp/perf.data.XXX)
> + build_id_dir=$(mktemp -d /tmp/perf.debug.XXX)
> + perf="perf --buildid-dir ${build_id_dir}"
> +
> + ${perf} record --buildid-all -o ${data} ${1}
> + if [ $? -ne 0 ]; then
> + echo "failed: record ${1}"
> + exit 1
> + fi
> +
> + check ${1}
> +
> + rm -rf ${build_id_dir}
> + rm -rf ${data}
> +}
> +
> +# add binaries manual via perf buildid-cache -a
> +test_add ${ex_sha1}
> +test_add ${ex_md5}
> +
> +# add binaries via perf record post processing
> +test_record ${ex_sha1}
> +test_record ${ex_md5}
> +
> +exit ${err}
> --
> 2.26.2
>
next prev parent reply other threads:[~2020-10-02 13:07 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-30 17:15 [PATCH 0/9] perf tools: Add support for build id with different sizes Jiri Olsa
2020-09-30 17:15 ` [PATCH 1/9] perf tools: Add build id shell test Jiri Olsa
2020-10-01 2:00 ` Ian Rogers
2020-10-01 9:25 ` Jiri Olsa
2020-10-01 10:25 ` Jiri Olsa
2020-10-01 16:58 ` Ian Rogers
2020-10-01 19:05 ` [PATCHv2 " Jiri Olsa
2020-10-02 13:07 ` Namhyung Kim [this message]
2020-10-02 17:34 ` Ian Rogers
2020-10-02 19:29 ` Jiri Olsa
2020-10-06 1:37 ` Namhyung Kim
2020-10-08 9:11 ` Jiri Olsa
2020-10-08 15:22 ` Ian Rogers
2020-10-02 20:55 ` Arnaldo Carvalho de Melo
2020-10-05 15:58 ` [PATCHv3 " Jiri Olsa
2020-10-13 16:13 ` [PATCH " Arnaldo Carvalho de Melo
2020-10-13 19:15 ` Jiri Olsa
2020-09-30 17:15 ` [PATCH 2/9] perf tools: Use build_id object in dso Jiri Olsa
2020-10-01 2:01 ` Ian Rogers
2020-09-30 17:15 ` [PATCH 3/9] perf tools: Pass build_id object to filename__read_build_id Jiri Olsa
2020-10-01 5:17 ` Ian Rogers
2020-09-30 17:15 ` [PATCH 4/9] perf tools: Pass build id object to sysfs__read_build_id Jiri Olsa
2020-10-01 5:20 ` Ian Rogers
2020-09-30 17:15 ` [PATCH 5/9] perf tools: Pass build_id object to build_id__sprintf Jiri Olsa
2020-10-01 5:24 ` Ian Rogers
2020-09-30 17:15 ` [PATCH 6/9] perf tools: Pass build_id object to dso__set_build_id Jiri Olsa
2020-10-01 5:25 ` Ian Rogers
2020-09-30 17:15 ` [PATCH 7/9] perf tools: Pass build_id object to dso__build_id_equal Jiri Olsa
2020-10-01 5:25 ` Ian Rogers
2020-09-30 17:15 ` [PATCH 8/9] perf tools: Add size to struct perf_record_header_build_id Jiri Olsa
2020-10-01 5:31 ` Ian Rogers
2020-09-30 17:15 ` [PATCH 9/9] perf tools: Align buildid list output for short build ids Jiri Olsa
2020-10-01 5:35 ` Ian Rogers
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