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Diffstat (limited to 'tools/perf/Documentation/perf-config.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-config.txt | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-config.txt b/tools/perf/Documentation/perf-config.txt index 4ac7775fbc11..86f3dcc15f83 100644 --- a/tools/perf/Documentation/perf-config.txt +++ b/tools/perf/Documentation/perf-config.txt @@ -120,6 +120,10 @@ Given a $HOME/.perfconfig like this: children = true group = true + [llvm] + dump-obj = true + clang-opt = -g + You can hide source code of annotate feature setting the config to false with % perf config annotate.hide_src_code=true @@ -553,6 +557,33 @@ trace.*:: trace.show_zeros:: Do not suppress syscall arguments that are equal to zero. +llvm.*:: + llvm.clang-path:: + Path to clang. If omit, search it from $PATH. + + llvm.clang-bpf-cmd-template:: + Cmdline template. Below lines show its default value. Environment + variable is used to pass options. + "$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 -" + + llvm.clang-opt:: + Options passed to clang. + + llvm.kbuild-dir:: + kbuild directory. If not set, use /lib/modules/`uname -r`/build. + If set to "" deliberately, skip kernel header auto-detector. + + llvm.kbuild-opts:: + Options passed to 'make' when detecting kernel header options. + + llvm.dump-obj:: + Enable perf dump BPF object files compiled by LLVM. + + llvm.opts:: + Options passed to llc. + SEE ALSO -------- linkperf:perf[1] |