On Thu, Feb 25, 2021 at 4:04 PM Martin KaFai Lau <kafai@xxxxxx> wrote: > > On Thu, Feb 25, 2021 at 03:43:13PM -0800, Song Liu wrote: > > This set enables task local storage for non-BPF_LSM programs. > > > > It is common for tracing BPF program to access per-task data. Currently, > > these data are stored in hash tables with pid as the key. In > > bcc/libbpftools [1], 9 out of 23 tools use such hash tables. However, > > hash table is not ideal for many use case. Task local storage provides > > better usability and performance for BPF programs. Please refer to 6/6 for > > some performance comparison of task local storage vs. hash table. > Thanks for the patches. > > Acked-by: Martin KaFai Lau <kafai@xxxxxx> Applied. Thanks. 9 out of 23 libbpf-tools will significantly reduce the tracing overhead. Hooray!
