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cpu_watcher 项目：目标是分析cpu 的运行状态，将BCC_sar(lmp/eBPF_Supermarket/CPU_Subsystem/BCC_sar/src
/sar)改写成libbpf版本，目前libbpf版本的框架已经写好，放在了lmp/eBPF_Supermarket/CPU_Subsystem/libbpf_sar文件夹中。该工具应实现以下数据的采集：
- proc/…
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### What reproduces the bug?
Modify https://github.com/ivankelly/bpftrace/blob/fb46dddd2fd5d40c0549c6a9d94cd482d07f1b79/tests/runtime/uprobe#L61, changing EXPECT to
```EXPECT function1```
and ru…
-
**errors occur as follow:**
bpf: Failed to load program: Permission denied
0: (b7) r2 = 44
1: (7b) *(u64 *)(r1 +0) = r2
invalid bpf_context access off=0 size=8
It seems that I can not modify th…
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i try this command，not working
root@localhost:/usr/share# killsnoop
cannot attach kprobe, Function not implemented
Traceback (most recent call last):
File "/usr/share/bcc/tools/killsnoop", lin…
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**Describe the bug**
Trying to attach uprobe to application functions. Issue occurred when client trying to instrument application failed to inject or attach probe to certain functions.
Same…
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我执行```bpftool prog```命令看到了这些bpf程序，想要请教 """61: perf_event name bpf_perf_event tag 42b497adb6d498f9 gpl"""这个程序是怎么挂载的呢？作用是什么？因为最近碰到一个perf event ringbuf 内存访问错误的问题
```bash
# bpftool prog
4: kprobe …
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bpftrace security update
Severity: low
Description
BPFtrace is a high-level tracing language for Linux enhanced Berkeley Packet Filter (eBPF) available in recent Linux kernels (4.x). BPFtrace uses LLV…
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### Feature request
Allow opentelemetry-go-instrumentation trace http requests.
### How to implement?
A Golang project may send http request to other servers through Golang net/request, for…
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Example go program:
```
package main
import (
"math/rand"
"time"
)
func randomsleep() {
time.Sleep(time.Duration(rand.Int63n(1000)) * time.Millisecond)
}
func m…
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[root@eicloud ~]# uname -ar
Linux eicloud.szpt.edu.cn 3.10.0-957.el7.x86_64 #1 SMP Thu Nov 8 23:39:32 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
[root@eicloud ~]#
[root@eicloud ~]#
[root@eicloud ~]# …