libbpf-tools/Android.bp

//
// Copyright (C) 2022 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

package {
    // See: http://go/android-license-faq
    // A large-scale-change added 'default_applicable_licenses' to import
    // all of the 'license_kinds' from "external_bcc_license"
    // to get the below license kinds:
    //   SPDX-license-identifier-Apache-2.0
    //   SPDX-license-identifier-GPL-2.0
    default_applicable_licenses: ["external_bcc_license"],
}

cc_defaults {
    name: "bcc_bpf_defaults",
    compile_multilib: "first",

    // Pinned to pre-C23 because of bool/false/true #defines in "vmlinux.h".
    c_std: "gnu17",

    cflags: [
        "-fno-data-sections",
        "-fno-function-sections",
        "-fno-stack-protector",
        "-fno-unwind-tables",
        "-mcpu=generic",
        "-Wno-pointer-arith",
        "-Wno-unused-command-line-argument",
        "-Wno-unused-parameter",
        "-mllvm -bpf-stack-size=1024",
        "-g",
    ],
    generated_headers: ["libbpf_headers"],
    arch: {
        arm: {
            local_include_dirs: ["arm64"],
            cflags: [
                "-D__TARGET_ARCH_arm64",
            ],
        },
        arm64: {
            local_include_dirs: ["arm64"],
            cflags: [
                "-D__TARGET_ARCH_arm64",
            ],
        },
        x86: {
            local_include_dirs: ["x86"],
            cflags: [
                "-D__TARGET_ARCH_x86"
            ],
        },
        x86_64: {
            local_include_dirs: ["x86"],
            cflags: [
                "-D__TARGET_ARCH_x86"
            ],
        },
    },
    bpf_target: true,
    visibility: ["//visibility:private"],
}

genrule_defaults {
    name: "bpf_skeleton_hdr_defaults",
    tools: ["bpftool"],
    cmd: "$(location bpftool) gen skeleton $(in) > $(out)",
    visibility: ["//visibility:private"],
    arch: {
        arm: {
            enabled: false,
        },
        x86: {
            enabled: false,
        },
    },
}

cc_defaults {
    name: "bcc_binary_defaults",
    defaults: ["elfutils_transitive_defaults"],
    generated_headers: [
        "libbpf_headers",
    ],
    local_include_dirs: [
        "android",
    ],
    srcs: [
        "android/argp.cpp",
        "trace_helpers.c",
        "btf_helpers.c",
    ],
    static_libs: [
        "libbpf",
        "libelf",
        "libz",
    ],
    cflags: [
        "-Wno-pointer-bool-conversion",
        "-Wno-pointer-arith",
        "-Wno-unused-parameter",
        "-Wno-unused-variable",
    ],
    arch: {
        arm: {
            enabled: false,
        },
        x86: {
            enabled: false,
        },
    },
}

cc_object {
    name: "bindsnoop.bpf.o",
    srcs: ["bindsnoop.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "bindsnoop.skel.h",
    srcs: [":bindsnoop.bpf.o"],
    out: ["bindsnoop.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "bindsnoop",
    srcs: ["bindsnoop.c"],
    generated_headers:  ["bindsnoop.skel.h"],
    defaults: ["bcc_binary_defaults"],
}

cc_object {
    name: "cpudist.bpf.o",
    srcs: ["cpudist.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "cpudist.skel.h",
    srcs: [":cpudist.bpf.o"],
    out: ["cpudist.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "cpudist",
    srcs: ["cpudist.c"],
    generated_headers:  ["cpudist.skel.h"],
    defaults: ["bcc_binary_defaults"],
}

cc_object {
    name: "cpufreq.bpf.o",
    srcs: ["cpufreq.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "cpufreq.skel.h",
    srcs: [":cpufreq.bpf.o"],
    out: ["cpufreq.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "cpufreq",
    srcs: ["cpufreq.c"],
    generated_headers:  ["cpufreq.skel.h"],
    defaults: ["bcc_binary_defaults"],
}

cc_object {
    name: "drsnoop.bpf.o",
    srcs: ["drsnoop.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "drsnoop.skel.h",
    srcs: [":drsnoop.bpf.o"],
    out: ["drsnoop.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "drsnoop",
    srcs: ["drsnoop.c"],
    generated_headers:  ["drsnoop.skel.h"],
    defaults: ["bcc_binary_defaults"],
}

cc_object {
    name: "filelife.bpf.o",
    srcs: ["filelife.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "filelife.skel.h",
    srcs: [":filelife.bpf.o"],
    out: ["filelife.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "filelife",
    srcs: ["filelife.c"],
    generated_headers:  ["filelife.skel.h"],
    defaults: ["bcc_binary_defaults"],
}

cc_object {
    name: "filetop.bpf.o",
    srcs: ["filetop.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "filetop.skel.h",
    srcs: [":filetop.bpf.o"],
    out: ["filetop.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "filetop",
    srcs: ["filetop.c"],
    generated_headers:  ["filetop.skel.h"],
    defaults: ["bcc_binary_defaults"],
}

cc_object {
    name: "fsdist.bpf.o",
    srcs: ["fsdist.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "fsdist.skel.h",
    srcs: [":fsdist.bpf.o"],
    out: ["fsdist.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "fsdist",
    srcs: ["fsdist.c"],
    generated_headers:  ["fsdist.skel.h"],
    defaults: ["bcc_binary_defaults"],
}

cc_object {
    name: "fsslower.bpf.o",
    srcs: ["fsslower.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "fsslower.skel.h",
    srcs: [":fsslower.bpf.o"],
    out: ["fsslower.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "fsslower",
    srcs: ["fsslower.c"],
    generated_headers:  ["fsslower.skel.h"],
    defaults: ["bcc_binary_defaults"],
}

cc_object {
    name: "funclatency.bpf.o",
    srcs: ["funclatency.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "funclatency.skel.h",
    srcs: [":funclatency.bpf.o"],
    out: ["funclatency.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "funclatency",
    srcs: [
        "funclatency.c",
        "uprobe_helpers.c",
    ],
    generated_headers:  ["funclatency.skel.h"],
    defaults: ["bcc_binary_defaults"],
}

cc_object {
    name: "gethostlatency.bpf.o",
    srcs: ["gethostlatency.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "gethostlatency.skel.h",
    srcs: [":gethostlatency.bpf.o"],
    out: ["gethostlatency.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "gethostlatency",
    srcs: [
        "gethostlatency.c",
        "uprobe_helpers.c",
    ],
    generated_headers: ["gethostlatency.skel.h"],
    defaults: ["bcc_binary_defaults"],
}

cc_object {
    name: "ksnoop.bpf.o",
    srcs: ["ksnoop.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "ksnoop.skel.h",
    srcs: [":ksnoop.bpf.o"],
    out: ["ksnoop.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "ksnoop",
    srcs: ["ksnoop.c"],
    generated_headers: ["ksnoop.skel.h"],
    defaults: ["bcc_binary_defaults"],
}

cc_object {
    name: "llcstat.bpf.o",
    srcs: ["llcstat.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "llcstat.skel.h",
    srcs: [":llcstat.bpf.o"],
    out: ["llcstat.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "llcstat",
    srcs: ["llcstat.c"],
    generated_headers:  ["llcstat.skel.h"],
    defaults: ["bcc_binary_defaults"],
}

cc_object {
    name: "offcputime.bpf.o",
    srcs: ["offcputime.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "offcputime.skel.h",
    srcs: [":offcputime.bpf.o"],
    out: ["offcputime.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "offcputime",
    srcs: [
        "offcputime.c",
        "uprobe_helpers.c",
    ],
    generated_headers:  ["offcputime.skel.h"],
    defaults: ["bcc_binary_defaults"],
}

cc_object {
    name: "oomkill.bpf.o",
    srcs: ["oomkill.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "oomkill.skel.h",
    srcs: [":oomkill.bpf.o"],
    out: ["oomkill.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "oomkill",
    srcs: [
        "oomkill.c",
        "compat.c",
],
    generated_headers:  ["oomkill.skel.h"],
    defaults: ["bcc_binary_defaults"],
}

cc_object {
    name: "runqlat.bpf.o",
    srcs: ["runqlat.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "runqlat.skel.h",
    srcs: [":runqlat.bpf.o"],
    out: ["runqlat.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "runqlat",
    srcs: ["runqlat.c"],
    generated_headers:  ["runqlat.skel.h"],
    defaults: ["bcc_binary_defaults"],
}

cc_object {
    name: "runqlen.bpf.o",
    srcs: ["runqlen.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "runqlen.skel.h",
    srcs: [":runqlen.bpf.o"],
    out: ["runqlen.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "runqlen",
    srcs: ["runqlen.c"],
    generated_headers:  ["runqlen.skel.h"],
    defaults: ["bcc_binary_defaults"],
}

cc_object {
    name: "runqslower.bpf.o",
    srcs: ["runqslower.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "runqslower.skel.h",
    srcs: [":runqslower.bpf.o"],
    out: ["runqslower.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "runqslower",
    srcs: ["runqslower.c"],
    generated_headers:  ["runqslower.skel.h"],
    defaults: ["bcc_binary_defaults"],
}

cc_object {
    name: "softirqs.bpf.o",
    srcs: ["softirqs.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "softirqs.skel.h",
    srcs: [":softirqs.bpf.o"],
    out: ["softirqs.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "softirqs",
    srcs: ["softirqs.c"],
    generated_headers:  ["softirqs.skel.h"],
    defaults: ["bcc_binary_defaults"],
}

cc_object {
    name: "solisten.bpf.o",
    srcs: ["solisten.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "solisten.skel.h",
    srcs: [":solisten.bpf.o"],
    out: ["solisten.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "solisten",
    srcs: ["solisten.c"],
    generated_headers:  ["solisten.skel.h"],
    defaults: ["bcc_binary_defaults"],
}

//The following targets are temporarily disabled to to b/241472915
//TODO (b/241472915)
/*
cc_object {
    name: "tcpconnect.bpf.o",
    srcs: ["tcpconnect.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "tcpconnect.skel.h",
    srcs: [":tcpconnect.bpf.o"],
    out: ["tcpconnect.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "tcpconnect",
    srcs: [
        "map_helpers.c",
        "tcpconnect.c",
    ],
    generated_headers:  ["tcpconnect.skel.h"],
    defaults: ["bcc_binary_defaults"],
}
*/

cc_object {
    name: "tcprtt.bpf.o",
    srcs: ["tcprtt.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "tcprtt.skel.h",
    srcs: [":tcprtt.bpf.o"],
    out: ["tcprtt.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "tcprtt",
    srcs: ["tcprtt.c"],
    generated_headers:  ["tcprtt.skel.h"],
    defaults: ["bcc_binary_defaults"],
}

cc_object {
    name: "vfsstat.bpf.o",
    srcs: ["vfsstat.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "vfsstat.skel.h",
    srcs: [":vfsstat.bpf.o"],
    out: ["vfsstat.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "vfsstat",
    srcs: ["vfsstat.c"],
    generated_headers:  ["vfsstat.skel.h"],
    defaults: ["bcc_binary_defaults"],
}

cc_object {
    name: "biolatency.bpf.o",
    srcs: ["biolatency.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "biolatency.skel.h",
    srcs: [":biolatency.bpf.o"],
    out: ["biolatency.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "biolatency",
    srcs: ["biolatency.c"],
    generated_headers:  ["biolatency.skel.h"],
    defaults: ["bcc_binary_defaults"],
}

cc_object {
    name: "biostacks.bpf.o",
    srcs: ["biostacks.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "biostacks.skel.h",
    srcs: [":biostacks.bpf.o"],
    out: ["biostacks.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "biostacks",
    srcs: ["biostacks.c"],
    generated_headers:  ["biostacks.skel.h"],
    defaults: ["bcc_binary_defaults"],
}

cc_object {
    name: "biosnoop.bpf.o",
    srcs: ["biosnoop.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "biosnoop.skel.h",
    srcs: [":biosnoop.bpf.o"],
    out: ["biosnoop.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "biosnoop",
    srcs: ["biosnoop.c"],
    generated_headers:  ["biosnoop.skel.h"],
    defaults: ["bcc_binary_defaults"],
}

// The following tools viz. exitsnoop, biopattern and bitesize
// will not work on Android without this libbpf patch:
//
// https://lore.kernel.org/bpf/20220523212808.603526-1-connoro@google.com/T/#u
//
// The patch is trivial but important as it looks for tracepoints under /sys/kernel/tracing
// as there is no debugfs on Android.
//
// Additionally, any new tools which depend on kernel static tracepoints should
// have this libbpf patch.

cc_object {
    name: "exitsnoop.bpf.o",
    srcs: ["exitsnoop.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "exitsnoop.skel.h",
    srcs: [":exitsnoop.bpf.o"],
    out: ["exitsnoop.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "exitsnoop",
    srcs: ["exitsnoop.c"],
    generated_headers:  ["exitsnoop.skel.h"],
    defaults: ["bcc_binary_defaults"],
}

cc_object {
    name: "biopattern.bpf.o",
    srcs: ["biopattern.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "biopattern.skel.h",
    srcs: [":biopattern.bpf.o"],
    out: ["biopattern.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "biopattern",
    srcs: ["biopattern.c"],
    generated_headers:  ["biopattern.skel.h"],
    defaults: ["bcc_binary_defaults"],
}

cc_object {
    name: "bitesize.bpf.o",
    srcs: ["bitesize.bpf.c"],
    defaults: ["bcc_bpf_defaults"],
}

cc_genrule {
    name: "bitesize.skel.h",
    srcs: [":bitesize.bpf.o"],
    out: ["bitesize.skel.h"],
    defaults: ["bpf_skeleton_hdr_defaults"],
}

cc_binary {
    name: "bitesize",
    srcs: ["bitesize.c"],
    generated_headers:  ["bitesize.skel.h"],
    defaults: ["bcc_binary_defaults"],
}