Re: [RFC PATCH 0/3] tracing: Support poll on event hist file

2024-07-02 Thread Google
On Sun, 30 Jun 2024 16:07:43 -0500 Tom Zanussi wrote: > Hi Masami, > > On Wed, 2024-06-26 at 00:16 +0900, Masami Hiramatsu (Google) wrote: > > Hi, > > > > Here is an RFC patch to support polling on event 'hist' file. > > > > There has been interest in allowing user programs to monitor kernel >

Re: [RFC PATCH 0/3] tracing: Support poll on event hist file

2024-06-30 Thread Tom Zanussi
Hi Masami, On Wed, 2024-06-26 at 00:16 +0900, Masami Hiramatsu (Google) wrote: > Hi, > > Here is an RFC patch to support polling on event 'hist' file. > > There has been interest in allowing user programs to monitor kernel > events in real time. Ftrace provides `trace_pipe` interface to wait > o

[RFC PATCH 0/3] tracing: Support poll on event hist file

2024-06-25 Thread Masami Hiramatsu (Google)
Hi, Here is an RFC patch to support polling on event 'hist' file. There has been interest in allowing user programs to monitor kernel events in real time. Ftrace provides `trace_pipe` interface to wait on events in the ring buffer, but it is needed to wait until filling up a page with events in t