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* feat(kprobe): Add basic kprobe support for x86_64 * feat: add ebpf support (#912) - 实现bpf()一部分命令，包括几种基本map，相关的helper函数 - 实现部分perf相关的数据结构 - 暂时为文件实现简单mmap - 实现一个使用kprobe统计syscall 调用次数的ebpf程序 对eBPF支持程度(基本)： - 简单的eBPF程序(没有指定特殊的Map) - 使用内核已经实现的Map的eBPF程序 - 可以和kprobe配合使用 - 内核Map相关的接口定义已经实现，添加新的Map较为简单 不支持的功能: - 区分不同的eBPF程序类型(Network/Cgroup)并限定可调用的helper函数集 - 与内核其它跟踪机制配合(tracepoint) - 其它helper和Map todo - [ ] 修改mmap，需要讨论，因为这个和块缓存层相关 - [x] 添加文档 - [x] 修复可能的错误 - [x] 增加rbpf版本信息 * feat: add /sys/devices/system/cpu/possible file * feat: add /sys/devices/system/cpu/online
98 lines
4.3 KiB
Rust
98 lines
4.3 KiB
Rust
// SPDX-License-Identifier: (Apache-2.0 OR MIT)
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// Converted from the tests for uBPF <https://github.com/iovisor/ubpf>
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// Copyright 2015 Big Switch Networks, Inc
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// Copyright 2016 6WIND S.A. <quentin.monnet@6wind.com>
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// Assembly code and data for tcp_sack testcases.
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#[allow(dead_code)]
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pub const TCP_SACK_ASM: &str = "
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ldxb r2, [r1+12]
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ldxb r3, [r1+13]
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lsh r3, 0x8
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or r3, r2
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mov r0, 0x0
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jne r3, 0x8, +37
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ldxb r2, [r1+23]
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jne r2, 0x6, +35
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ldxb r2, [r1+14]
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add r1, 0xe
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and r2, 0xf
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lsh r2, 0x2
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add r1, r2
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mov r0, 0x0
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ldxh r4, [r1+12]
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add r1, 0x14
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rsh r4, 0x2
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and r4, 0x3c
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mov r2, r4
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add r2, -20
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mov r5, 0x15
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mov r3, 0x0
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jgt r5, r4, +20
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mov r5, r3
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lsh r5, 0x20
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arsh r5, 0x20
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mov r4, r1
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add r4, r5
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ldxb r5, [r4]
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jeq r5, 0x1, +4
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jeq r5, 0x0, +12
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mov r6, r3
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jeq r5, 0x5, +9
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ja +2
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add r3, 0x1
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mov r6, r3
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ldxb r3, [r4+1]
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add r3, r6
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lsh r3, 0x20
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arsh r3, 0x20
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jsgt r2, r3, -18
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ja +1
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mov r0, 0x1
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exit";
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#[allow(dead_code)]
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pub const TCP_SACK_BIN: [u8; 352] = [
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0x71, 0x12, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x71, 0x13, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x67, 0x03, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x4f, 0x23, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0xb7, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55, 0x03, 0x25, 0x00, 0x08, 0x00, 0x00, 0x00,
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0x71, 0x12, 0x17, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55, 0x02, 0x23, 0x00, 0x06, 0x00, 0x00, 0x00,
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0x71, 0x12, 0x0e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x01, 0x00, 0x00, 0x0e, 0x00, 0x00, 0x00,
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0x57, 0x02, 0x00, 0x00, 0x0f, 0x00, 0x00, 0x00, 0x67, 0x02, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
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0x0f, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xb7, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x69, 0x14, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x01, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00,
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0x77, 0x04, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x57, 0x04, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x00,
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0xbf, 0x42, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x02, 0x00, 0x00, 0xec, 0xff, 0xff, 0xff,
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0xb7, 0x05, 0x00, 0x00, 0x15, 0x00, 0x00, 0x00, 0xb7, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x2d, 0x45, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0xbf, 0x35, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x67, 0x05, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0xc7, 0x05, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
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0xbf, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x54, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x71, 0x45, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x15, 0x05, 0x04, 0x00, 0x01, 0x00, 0x00, 0x00,
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0x15, 0x05, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0xbf, 0x36, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x15, 0x05, 0x09, 0x00, 0x05, 0x00, 0x00, 0x00, 0x05, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x07, 0x03, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0xbf, 0x36, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x71, 0x43, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x63, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x67, 0x03, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0xc7, 0x03, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
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0x6d, 0x32, 0xee, 0xff, 0x00, 0x00, 0x00, 0x00, 0x05, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
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0xb7, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x95, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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];
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#[allow(dead_code)]
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pub const TCP_SACK_MATCH: [u8; 78] = [
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0x00, 0x26, 0x62, 0x2f, 0x47, 0x87, 0x00, 0x1d, 0x60, 0xb3, 0x01, 0x84, 0x08, 0x00, 0x45, 0x00,
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0x00, 0x40, 0xa8, 0xde, 0x40, 0x00, 0x40, 0x06, 0x9d, 0x58, 0xc0, 0xa8, 0x01, 0x03, 0x3f, 0x74,
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0xf3, 0x61, 0xe5, 0xc0, 0x00, 0x50, 0xe5, 0x94, 0x3f, 0x77, 0xa3, 0xc4, 0xc4, 0x80, 0xb0, 0x10,
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0x01, 0x3e, 0x34, 0xb6, 0x00, 0x00, 0x01, 0x01, 0x08, 0x0a, 0x00, 0x17, 0x95, 0x6f, 0x8d, 0x9d,
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0x9e, 0x27, 0x01, 0x01, 0x05, 0x0a, 0xa3, 0xc4, 0xca, 0x28, 0xa3, 0xc4, 0xcf, 0xd0,
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];
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#[allow(dead_code)]
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pub const TCP_SACK_NOMATCH: [u8; 66] = [
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0x00, 0x26, 0x62, 0x2f, 0x47, 0x87, 0x00, 0x1d, 0x60, 0xb3, 0x01, 0x84, 0x08, 0x00, 0x45, 0x00,
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0x00, 0x40, 0xa8, 0xde, 0x40, 0x00, 0x40, 0x06, 0x9d, 0x58, 0xc0, 0xa8, 0x01, 0x03, 0x3f, 0x74,
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0xf3, 0x61, 0xe5, 0xc0, 0x00, 0x50, 0xe5, 0x94, 0x3f, 0x77, 0xa3, 0xc4, 0xc4, 0x80, 0x80, 0x10,
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0x01, 0x3e, 0x34, 0xb6, 0x00, 0x00, 0x01, 0x01, 0x08, 0x0a, 0x00, 0x17, 0x95, 0x6f, 0x8d, 0x9d,
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0x9e, 0x27,
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];
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