Re: [PATCH] ftrace: add simple oneshot function tracer

2019-07-09 Thread Thomas Preisner
On Wed, Jun 26, 2019 at 12:04:12PM -0400, Steven Rostedt wrote: > On Sun, 23 Jun 2019 14:05:55 +0200 > Thomas Preisner wrote: > > I've created this tracer with kernel tailoring in mind since the > > tailoring process of e.g. undertaker heavily benefits from a more > > precise set of input data. >

Re: [PATCH] ftrace: add simple oneshot function tracer

2019-06-26 Thread Steven Rostedt
On Sun, 23 Jun 2019 14:05:55 +0200 Thomas Preisner wrote: > I've created this tracer with kernel tailoring in mind since the > tailoring process of e.g. undertaker heavily benefits from a more > precise set of input data. > > A "oneshot" option for the function tracer would be a viable > possib

Re: [PATCH] ftrace: add simple oneshot function tracer

2019-06-23 Thread Thomas Preisner
On Mon, Jun 17, 2019 at 08:16:27PM -0400, Steven Rostedt wrote: > On Wed, 12 Jun 2019 23:29:35 +0200 > Thomas Preisner wrote: > > Hi Thomas, > > BTW, what email client do you use, because your replies seem to confuse > my email client (claws-mail) and it doesn't thread them at all. > Although th

Re: [PATCH] ftrace: add simple oneshot function tracer

2019-06-17 Thread Steven Rostedt
On Wed, 12 Jun 2019 23:29:35 +0200 Thomas Preisner wrote: Hi Thomas, BTW, what email client do you use, because your replies seem to confuse my email client (claws-mail) and it doesn't thread them at all. Although they do look fine on mutt (when I view my LKML folder). Looks like it doesn't crea

Re: Re: [PATCH] ftrace: add simple oneshot function tracer

2019-06-13 Thread Thomas Preisner
On Tue, 11 Jun 2019 17:52:37 -0400 Steven Rostedt wrote: > What do you mean? The function profile has its own file to enable it: > > echo 1 > /sys/kernel/tracing/function_profile_enabled > > And disable it: > > echo 0 > /sys/kernel/tracing/function_profile_enabled > > -- Steve Yes,

Re: [PATCH] ftrace: add simple oneshot function tracer

2019-06-11 Thread Steven Rostedt
On Tue, 11 Jun 2019 22:33:11 +0200 Thomas Preisner wrote: > However, due to there not being any mechanism (that I am aware of) to > activate such stat tracers via kernel commandline this oneshot profiler > is now always active when selected. Therefore, it is no longer possible > to disable this t