From: David Ahern <dsahern@gmail.com>
To: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>,
acme@ghostprotocols.net, linux-kernel@vger.kernel.org
Cc: mingo@kernel.org, namhyung.kim@lge.com, jolsa@redhat.com
Subject: Re: [PATCH 0/7 V2] Add support of user space symboles for guest.
Date: Fri, 20 Dec 2013 08:02:14 -0700 [thread overview]
Message-ID: <52B45BF6.1060701@gmail.com> (raw)
In-Reply-To: <cover.1387572416.git.yangds.fnst@cn.fujitsu.com>
On 12/20/13, 1:52 PM, Dongsheng Yang wrote:
> Hi Arnaldo:
> Please help to review this patchset.
>
> Changelog:
> - v2:
> * splite the first commit.
>
At best you are creating knowledge of running tasks in the VMs when the
perf session is started. That's it. That information cannot be used
since the host has no idea what task is running in a VM at any given
moment. No insight into process creation, mmaps, exits, etc.
David
next prev parent reply other threads:[~2013-12-20 15:02 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-20 20:52 [PATCH 0/7 V2] Add support of user space symboles for guest Dongsheng Yang
2013-12-20 15:02 ` David Ahern [this message]
2013-12-30 15:32 ` Dongsheng Yang
2013-12-20 20:52 ` [PATCH 1/7] perf tools: Add support for PERF_RECORD_MISC_GUEST_USER in thread__find_addr_map() Dongsheng Yang
2014-01-12 18:36 ` [tip:perf/core] " tip-bot for Dongsheng Yang
2013-12-20 20:52 ` [PATCH 2/7] perf tools: Find the proc info under machine->root_dir Dongsheng Yang
2014-01-12 18:37 ` [tip:perf/core] perf tools: Find the proc info under machine-> root_dir tip-bot for Dongsheng Yang
2013-12-20 20:52 ` [PATCH 3/7] perf tools: Set event->header.misc to PERF_RECORD_MISC_GUEST_USER if machine is guest Dongsheng Yang
2014-01-12 18:37 ` [tip:perf/core] perf tools: Set event-> header.misc " tip-bot for Dongsheng Yang
2013-12-20 20:52 ` [PATCH 4/7] perf tools: Use machine->pid for tgid if mahicne " Dongsheng Yang
2014-01-12 18:37 ` [tip:perf/core] perf tools: Use machine-> pid for tgid if machine " tip-bot for Dongsheng Yang
2013-12-20 20:53 ` [PATCH 5/7] perf tools: Do not synthesize the treads of default guest Dongsheng Yang
2014-01-12 18:37 ` [tip:perf/core] " tip-bot for Dongsheng Yang
2013-12-20 20:53 ` [PATCH 6/7] perf tools: Add support of user space symbols for guest in perf kvm top Dongsheng Yang
2013-12-20 20:53 ` [PATCH 7/7] perf tools: Add support of user space symbols for guest in perf kvm record Dongsheng Yang
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=52B45BF6.1060701@gmail.com \
--to=dsahern@gmail.com \
--cc=acme@ghostprotocols.net \
--cc=jolsa@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@kernel.org \
--cc=namhyung.kim@lge.com \
--cc=yangds.fnst@cn.fujitsu.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