From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: [PATCH 62/85] perf config: Update default value for llvm.clang-bpf-cmd-template Date: Tue, 11 Jun 2019 15:58:48 -0300 Message-ID: <20190611185911.11645-63-acme@kernel.org> References: <20190611185911.11645-1-acme@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190611185911.11645-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Ingo Molnar , Thomas Gleixner Cc: Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Leo Yan , Alexander Shishkin , Alexei Starovoitov , Andi Kleen , Daniel Borkmann , Jiri Olsa , Mark Drayton , Martin KaFai Lau , Song Liu , Yonghong Song , bpf@vger.kernel.org, netdev@vger.kernel.org, Arnaldo Carvalho de Melo List-Id: linux-perf-users.vger.kernel.org From: Leo Yan The clang bpf cmdline template has defined default value in the file tools/perf/util/llvm-utils.c, which has been changed for several times. This patch updates the documentation to reflect the latest default value for the configuration llvm.clang-bpf-cmd-template. Signed-off-by: Leo Yan Cc: Alexander Shishkin Cc: Alexei Starovoitov Cc: Andi Kleen Cc: Daniel Borkmann Cc: Jiri Olsa Cc: Mark Drayton Cc: Martin KaFai Lau Cc: Namhyung Kim Cc: Song Liu Cc: Yonghong Song Cc: bpf@vger.kernel.org Cc: netdev@vger.kernel.org Fixes: d35b168c3dcd ("perf bpf: Give precedence to bpf header dir") Fixes: cb76371441d0 ("perf llvm: Allow passing options to llc in addition to clang") Fixes: 1b16fffa389d ("perf llvm-utils: Add bpf include path to clang command line") Link: http://lkml.kernel.org/r/20190607143508.18141-1-leo.yan@linaro.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Documentation/perf-config.txt | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/tools/perf/Documentation/perf-config.txt b/tools/perf/Documentation/perf-config.txt index 462b3cde0675..e4aa268d2e38 100644 --- a/tools/perf/Documentation/perf-config.txt +++ b/tools/perf/Documentation/perf-config.txt @@ -564,9 +564,12 @@ llvm.*:: llvm.clang-bpf-cmd-template:: Cmdline template. Below lines show its default value. Environment variable is used to pass options. - "$CLANG_EXEC -D__KERNEL__ $CLANG_OPTIONS $KERNEL_INC_OPTIONS \ - -Wno-unused-value -Wno-pointer-sign -working-directory \ - $WORKING_DIR -c $CLANG_SOURCE -target bpf -O2 -o -" + "$CLANG_EXEC -D__KERNEL__ -D__NR_CPUS__=$NR_CPUS "\ + "-DLINUX_VERSION_CODE=$LINUX_VERSION_CODE " \ + "$CLANG_OPTIONS $PERF_BPF_INC_OPTIONS $KERNEL_INC_OPTIONS " \ + "-Wno-unused-value -Wno-pointer-sign " \ + "-working-directory $WORKING_DIR " \ + "-c \"$CLANG_SOURCE\" -target bpf $CLANG_EMIT_LLVM -O2 -o - $LLVM_OPTIONS_PIPE" llvm.clang-opt:: Options passed to clang. -- 2.20.1