# toymalloc

**Repository Path**: LucasGitee/toymalloc

## Basic Information

- **Project Name**: toymalloc
- **Description**: No description available
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2023-11-30
- **Last Updated**: 2023-11-30

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# TODO
- [ ] void* malloc(size_t size);
- [ ] void* calloc(size_t nmemb, size_t size);
- [ ] void  free(void *ptr);
- [ ] void* realloc(void *ptr, size_t size)

- [ ] mmap support
- [ ] like slab impl
- [ ] free & used list split to improve efficient
- [ ] red zone

# Unit Test


# Bechmark
- Google Benchmark
- Valgrind
- mcheck

# coredump
## enable codedump
ulimit -c
ulimit -c unlimited
ulimit -s 100000 // unit KB

## trigger codedump
abort(); // `man abort` for more detail

## recent codedump list
coredumpctl list 

## coredump generate failed ?
/etc/systemd/coredump.conf
```
Storage=external
Compress=yes
ProcessSizeMax=100%
ExternalStorage=/var/crash/
```
/etc/sysctl.d/10-core.conf
```
kernel.core_uses_pid = 1
kernel.core_pattern = /var/crash/core-%e-%p-%t
```

sysctl -p /etc/sysctl.d/10-core.conf

systemctl restart systemd-coredump // not necessary ???

# Ref
⭐⭐⭐ https://mp.weixin.qq.com/s/iJwPrTwmYHqw5z7J7rj3aA