From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg Kurz Subject: Re: debugging threaded apps running under a clone(CLONE_NEWPID) Date: Tue, 24 Feb 2009 12:28:52 +0100 Message-ID: <1235474932.12827.62.camel@bahia> References: <499EE0D1.1010001@fr.ibm.com> <20090223182153.GD13151@us.ibm.com> <49A3C314.6010806@fr.ibm.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <49A3C314.6010806@fr.ibm.com> Sender: linux-kernel-owner@vger.kernel.org To: Cedric Le Goater Cc: "Serge E. Hallyn" , Linux Containers , Linux Kernel Mailing List List-Id: containers.vger.kernel.org On Tue, 2009-02-24 at 10:51 +0100, Cedric Le Goater wrote: > Signed-off-by: Cedric Le Goater > --- > fs/proc/base.c | 19 +++++++++++++++++++ > 1 file changed, 19 insertions(+) > > Index: 2.6.27-mcr.git/fs/proc/base.c > =================================================================== > --- 2.6.27-mcr.git.orig/fs/proc/base.c > +++ 2.6.27-mcr.git/fs/proc/base.c > @@ -2444,6 +2444,23 @@ static int proc_tgid_io_accounting(struc > } > #endif /* CONFIG_TASK_IO_ACCOUNTING */ > > +static int proc_pid_vpids(struct task_struct *task, char *buffer) > +{ > + struct pid_namespace *pid_ns = task->nsproxy->pid_ns; > + This breaks if task is a zombie... > + return sprintf(buffer, "%6d %6d %6d %6d %6d %6d %6d %6d %6d %6d\n", > + task_pid_nr_ns(task, pid_ns), // pid > + task_pid_nr(task), > + task_tgid_nr_ns(task, pid_ns), // tgid > + task_tgid_nr(task), > + task_tgid_nr_ns(task->real_parent, pid_ns), // ppid > + task_tgid_nr(task->real_parent), > + task_pgrp_nr_ns(task, pid_ns), // pgid > + task_pgrp_nr(task), > + task_session_nr_ns(task, pid_ns), // sid > + task_session_nr(task)); > +} > + > /* > * Thread groups > */ > @@ -2519,6 +2536,7 @@ static const struct pid_entry tgid_base_ > #ifdef CONFIG_TASK_IO_ACCOUNTING > INF("io", S_IRUGO, tgid_io_accounting), > #endif > + INF("vpids", S_IRUGO, pid_vpids), > }; > > static int proc_tgid_base_readdir(struct file * filp, > @@ -2854,6 +2872,7 @@ static const struct pid_entry tid_base_s > #ifdef CONFIG_TASK_IO_ACCOUNTING > INF("io", S_IRUGO, tid_io_accounting), > #endif > + INF("vpids", S_IRUGO, pid_vpids), > }; > > static int proc_tid_base_readdir(struct file * filp, > _______________________________________________ > Containers mailing list > Containers@lists.linux-foundation.org > https://lists.linux-foundation.org/mailman/listinfo/containers -- Gregory Kurz gkurz@fr.ibm.com Software Engineer @ IBM/Meiosys http://www.ibm.com Tel +33 (0)534 638 479 Fax +33 (0)561 400 420 "Anarchy is about taking complete responsibility for yourself." Alan Moore.