Re: [PATCH 0/3] perf tools: Minor improvements in event synthesis

2021-03-12 Thread Andi Kleen
On Mon, Dec 21, 2020 at 04:00:26PM +0900, Namhyung Kim wrote: > Hello, > > This is to optimize the event synthesis during perf record. > > The first patch is to reduce memory usage when many threads are used. > The second is to avoid unncessary syscalls for kernel threads. And > the last one is

[PATCH 0/3] perf tools: Minor improvements in event synthesis

2020-12-20 Thread Namhyung Kim
Hello, This is to optimize the event synthesis during perf record. The first patch is to reduce memory usage when many threads are used. The second is to avoid unncessary syscalls for kernel threads. And the last one is to reduce the number of threads to iterate when new threads are being create