Sberf

Profiling & visualization tool based on eBPF

Quick start

Download the newest version in Releases

Usage

sudo ./sberf record <PID1>,<PID2>
# sudo ./sberf record 1001
# sudo ./sberf record 1001,32847

  Usage:

    sberf record [options]

  Options:

    -p[--pid]: Record running time
    -t[--tracepoint]: Record tracepoints' triggered time
    -s[--syscall]: Record stack traces when a syscall is triggered
    -m[--memory]: Record memory usage
    -op[--off-cpu]: Record OFF-CPU time
    -h[--help]: Print this help message

    -f: Frequency in Hz
    -np: No plotting, print the stacks instead
    -a: Record all processes
    -o: File name for the plot

Compilation

1. Install bpftool

git clone https://github.com/libbpf/bpftool.git
cd src
make
make install

2. Install libbpf

git clone https://github.com/libbpf/libbpf.git
cd src
make
make install

3. Install Clang

# ubuntu
sudo apt-get install clang

# centos
sudo yum install clang

4. Clone this repo

git clone https://github.com/Sberm/sberf.git
cd sberf

5. Generate vmlinux.h

# generate vmlinux.h file to vmlinux folder
bpftool btf dump file /sys/kernel/btf/vmlinux format c > vmlinux/vmlinux.h

6. Make

# mute
make

# verbose message
DEBUG=1 make

Files & their uses

bpf.c Programs that run on eBPF virtual machine

.c Regular c programs

TODO

• Use libperf instead of eBPF stack trace
• OpenTelemetry or any popular format compatibility