From: Janani Venkataraman <jananive@linux.vnet.ibm.com>
To: Karel Zak <kzak@redhat.com>
Cc: linux-kernel@vger.kernel.org, amwang@redhat.com,
rdunlap@xenotime.net, andi@firstfloor.org,
aravinda@linux.vnet.ibm.com, hch@lst.de, mhiramat@redhat.com,
jeremy.fitzhardinge@citrix.com, xemul@parallels.com,
suzuki@linux.vnet.ibm.com, kosaki.motohiro@jp.fujitsu.com,
adobriyan@gmail.com, tarundsk@linux.vnet.ibm.com,
vapier@gentoo.org, roland@hack.frob.com, tj@kernel.org,
ananth@linux.vnet.ibm.com, gorcunov@openvz.org,
avagin@openvz.org, oleg@redhat.com, eparis@redhat.com,
d.hatayama@jp.fujitsu.com, james.hogan@imgtec.com,
akpm@linux-foundation.org, torvalds@linux-foundation.org,
coreutils@gnu.org, procps@freelists.org,
util-linux@vger.kernel.org
Subject: Re: [PATCH 00/33] [RFC] Non disruptive application core dump infrastructure
Date: Mon, 24 Mar 2014 15:08:52 +0530 [thread overview]
Message-ID: <532FFD2C.1020004@linux.vnet.ibm.com> (raw)
In-Reply-To: <20140321080855.GE26374@x2.net.home>
On 03/21/2014 01:47 PM, Karel Zak wrote:
> On Thu, Mar 20, 2014 at 03:09:03PM +0530, Janani Venkataraman wrote:
>> Gencore Daemon
>>
>> The programs can request a dump using gencore() API, provided through
>> libgencore. This is implemented through a daemon which listens on a UNIX File
>> socket. The daemon is started immediately post installation.
> The gencore command looks like a good idea, but why we need the
> client-server infrastructure? At least at first glance it seems
> like overkill.
We are also looking at a process being able to do a self dump. ptrace
SEIZE/INTERRUPT
cannot be used on one-self and hencewe need to offload the dump another
'process'.
Since we can't fork(), as it is not signal safe, we need a dedicated
process to handle
such requests. Hence the server.
https://lkml.org/lkml/2013/9/3/122
>> We would like to push this to one of the following packages:
>> a) util-linux
>> b) coreutils
>> c) procps-ng
> d) somewhere near to gdb :-)
>
> Karel
>
prev parent reply other threads:[~2014-03-24 9:39 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-20 9:39 Janani Venkataraman
2014-03-20 9:39 ` [PATCH 01/33] Configure and Make files Janani Venkataraman
2014-03-20 9:39 ` [PATCH 02/33] Validity of arguments Janani Venkataraman
2014-03-20 9:39 ` [PATCH 03/33] Process Status Janani Venkataraman
2014-03-20 9:39 ` [PATCH 04/33] Hold threads Janani Venkataraman
2014-03-20 19:01 ` Pavel Emelyanov
2014-03-25 6:58 ` Janani Venkataraman
2014-03-20 9:39 ` [PATCH 05/33] Fetching Memory maps Janani Venkataraman
2014-03-20 9:39 ` [PATCH 06/33] Check ELF class Janani Venkataraman
2014-03-20 9:39 ` [PATCH 07/33] Do elf_coredump Janani Venkataraman
2014-03-20 9:40 ` [PATCH 08/33] Fills elf header Janani Venkataraman
2014-03-20 9:40 ` [PATCH 09/33] Adding notes infrastructure Janani Venkataraman
2014-03-20 9:40 ` [PATCH 10/33] Populates PRPS info Janani Venkataraman
2014-03-20 9:40 ` [PATCH 11/33] Populate AUXV Janani Venkataraman
2014-03-20 9:40 ` [PATCH 12/33] Fetch File maps Janani Venkataraman
2014-03-20 9:41 ` [PATCH 13/33] Fetching thread specific Notes Janani Venkataraman
2014-03-20 9:41 ` [PATCH 14/33] Populating Program Headers Janani Venkataraman
2014-03-20 9:41 ` [PATCH 15/33] Updating Offset Janani Venkataraman
2014-03-20 9:41 ` [PATCH 16/33] Writing to core file Janani Venkataraman
2014-03-20 9:41 ` [PATCH 17/33] Daemonizing the Process Janani Venkataraman
2014-03-20 9:41 ` [PATCH 18/33] Socket operations Janani Venkataraman
2014-03-20 9:41 ` [PATCH 19/33] Block till request Janani Venkataraman
2014-03-20 9:41 ` [PATCH 20/33] Handling Requests Janani Venkataraman
2014-03-20 9:41 ` [PATCH 21/33] Get Clients PID Janani Venkataraman
2014-03-20 9:41 ` [PATCH 22/33] Dump the task Janani Venkataraman
2014-03-20 9:42 ` [PATCH 23/33] Handling SIG TERM of the daemon Janani Venkataraman
2014-03-20 9:42 ` [PATCH 24/33] Handling SIG TERM of the child Janani Venkataraman
2014-03-20 9:42 ` [PATCH 25/33] Systemd Socket ID retrieval Janani Venkataraman
2014-03-20 9:42 ` [PATCH 26/33] [libgencore] Setting up Connection Janani Venkataraman
2014-03-20 9:42 ` [PATCH 27/33] [libgencore] Request for dump Janani Venkataraman
2014-03-20 9:43 ` [PATCH 28/33] Man pages Janani Venkataraman
2014-03-20 9:43 ` [PATCH 29/33] Automake files for the doc folder Janani Venkataraman
2014-03-20 9:43 ` [PATCH 30/33] README, COPYING, Changelog Janani Venkataraman
2014-03-20 9:43 ` [PATCH 31/33] Spec file Janani Venkataraman
2014-03-20 9:43 ` [PATCH 32/33] Socket and Service files Janani Venkataraman
2014-03-20 9:44 ` [PATCH 33/33] Support check Janani Venkataraman
2014-03-20 10:24 ` [PATCH 00/33] [RFC] Non disruptive application core dump infrastructure Pádraig Brady
2014-03-21 8:17 ` Karel Zak
2014-03-21 15:02 ` Phillip Susi
2014-03-24 9:43 ` Janani Venkataraman
2014-03-24 13:54 ` Phillip Susi
2014-07-03 12:59 ` Suzuki K. Poulose
2014-03-24 9:38 ` Janani Venkataraman [this message]
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