From: "Frank Ch. Eigler" <fche@redhat.com>
To: David Smith <dsmith@redhat.com>
Cc: systemtap@sources.redhat.com
Subject: Re: Listing probe alias resolution failures
Date: Wed, 16 May 2007 21:59:00 -0000 [thread overview]
Message-ID: <20070516215850.GB2520@redhat.com> (raw)
In-Reply-To: <464B759E.1030606@redhat.com>
Hi -
> [...]
> Ah, I see something I missed before with the following:
> # stap -p2 -e 'probe vm.mmap ? { printf("%p %d\n", address, length) }'
> [...]
> probe vm.mmap = kernel.function("do_mmap"), kernel.function("do_mmap2")? {
> address = $addr
> length = $len
> }
> [...]
> I missed the fact that the first one isn't optional. But, shouldn't
> making 'vm.mmap' optional basically make 'kernel.function("do_mmap")'
> optional?
But "do_mmap" is found, and so the optional flag is satisfied. The
probe handler is processed without further error suppression. It's
not obvious that this is wrong.
PS. This bug #1155 is really annoying.
- FChE
next prev parent reply other threads:[~2007-05-16 21:59 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-15 21:14 patm
2007-05-15 21:33 ` David Smith
2007-05-15 22:02 ` patm
2007-05-15 22:16 ` Mike Mason
2007-05-16 13:47 ` David Smith
2007-05-15 22:21 ` patm
2007-05-16 14:12 ` David Smith
2007-05-16 16:58 ` patm
2007-05-16 17:23 ` David Smith
2007-05-16 18:54 ` patm
2007-05-16 18:54 ` Frank Ch. Eigler
2007-05-16 20:18 ` David Smith
2007-05-16 20:30 ` Frank Ch. Eigler
2007-05-16 21:20 ` David Smith
2007-05-16 21:59 ` Frank Ch. Eigler [this message]
2007-05-18 20:05 ` David Smith
2007-05-19 0:27 ` Stone, Joshua I
2007-05-19 16:11 ` Frank Ch. Eigler
2007-05-17 0:09 ` Mike Mason
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=20070516215850.GB2520@redhat.com \
--to=fche@redhat.com \
--cc=dsmith@redhat.com \
--cc=systemtap@sources.redhat.com \
/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).