linux-kernel - RE: [PATCH v13 3/3] trace,x86: Add irq vector tracepoints

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Message-ID: <A5ED84D3BB3A384992CBB9C77DEDA4D41B011681@USINDEM103.corp.hds.com>
Date:	Tue, 4 Jun 2013 20:20:35 +0000
From:	Seiji Aguchi <seiji.aguchi@....com>
To:	Steven Rostedt <rostedt@...dmis.org>,
	"H. Peter Anvin" <hpa@...or.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"x86@...nel.org" <x86@...nel.org>,
	"tglx@...utronix.de" <tglx@...utronix.de>,
	"mingo@...e.hu" <mingo@...e.hu>, "bp@...en8.de" <bp@...en8.de>,
	"linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
	"tony.luck@...el.com" <tony.luck@...el.com>,
	"dle-develop@...ts.sourceforge.net" 
	<dle-develop@...ts.sourceforge.net>,
	Tomoki Sekiyama <tomoki.sekiyama@....com>
Subject: RE: [PATCH v13 3/3] trace,x86: Add irq vector tracepoints

Steven,

> 
> Hmm, maybe we can do it. Have two counters, a debug_idt_ctr and a
> trace_idt_ctr, then have a function that basically does this:
> 
> 	if (this_cpu_read(debug_idt_ctr))

I think we can use "debug_stack_use_ctr"  for the checking.
Is it correct?
Or, do I need to introduce a new debug_idt_ctr?

Seiji