From: Eric Wong <normalperson@yhbt.net>
To: "Frank Ch. Eigler" <fche@redhat.com>
Cc: Systemtap List <systemtap@sourceware.org>
Subject: Re: copy faults from user_string* functions
Date: Fri, 26 Jul 2013 19:50:00 -0000 [thread overview]
Message-ID: <20130726195020.GA7739@dcvr.yhbt.net> (raw)
In-Reply-To: <20130726194220.GA7389@dcvr.yhbt.net>
Eric Wong <normalperson@yhbt.net> wrote:
> Eric Wong <normalperson@yhbt.net> wrote:
> > Is there any optional way to get stap to trigger page faults to get
> > that data?
>
> I could restructure my code to pass integers instead of strings as
> a workaround, but I'm trying my best to be lazy :>
Actually, simply reordering my code to access the string (via mempcpy)
before the trace point seems to work around the issue. I'll keep the
try{}catch{} just in case, though.
next prev parent reply other threads:[~2013-07-26 19:50 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-26 6:36 Eric Wong
2013-07-26 17:08 ` Frank Ch. Eigler
2013-07-26 17:56 ` Eric Wong
2013-07-26 19:42 ` Eric Wong
2013-07-26 19:50 ` Eric Wong [this message]
2013-07-27 0:22 ` Frank Ch. Eigler
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20130726195020.GA7739@dcvr.yhbt.net \
--to=normalperson@yhbt.net \
--cc=fche@redhat.com \
--cc=systemtap@sourceware.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).