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* Does anybody have a tapset to get the command line of a task?
@ 2006-05-24 23:33 Yi Feng
  2006-05-25  8:51 ` Richard J Moore
  0 siblings, 1 reply; 4+ messages in thread
From: Yi Feng @ 2006-05-24 23:33 UTC (permalink / raw)
  To: systemtap

We already have pid(), tid() and execname() in tapset/context.stp. I'm
wondering if somebody has written a tapset to get the command line of
the (current) task as well. Looking at proc_pid_cmdline in
fs/proc/base.c, I understand this information is in the user memory
tracked from the mm struct of the task (instead of the task struct
itself), so there is much more indirection to get it than pid, tid and
execname.

Thanks,
Yi Feng

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: Does anybody have a tapset to get the command line of a task?
  2006-05-24 23:33 Does anybody have a tapset to get the command line of a task? Yi Feng
@ 2006-05-25  8:51 ` Richard J Moore
  2006-05-30 17:43   ` Yi Feng
  0 siblings, 1 reply; 4+ messages in thread
From: Richard J Moore @ 2006-05-25  8:51 UTC (permalink / raw)
  To: Yi Feng; +Cc: systemtap





Yes, I believe I have, but it's on a different system so will post later
unless someone else does.
- -
Richard J Moore
IBM Advanced Linux Response Team - Linux Technology Centre
MOBEX: 264807; Mobile (+44) (0)7739-875237
Office: (+44) (0)1962-817072


                                                                           
             "Yi Feng"                                                     
             <ericyifeng@gma                                               
             il.com>                                                    To 
             Sent by:                  systemtap@sources.redhat.com        
             systemtap-owner                                            cc 
             @sourceware.org                                               
                                                                       bcc 
                                                                           
             25/05/2006                                            Subject 
             00:33                     Does anybody have a tapset to get   
                                       the command line of a task?         
                                                                           
                                                                           




We already have pid(), tid() and execname() in tapset/context.stp. I'm
wondering if somebody has written a tapset to get the command line of
the (current) task as well. Looking at proc_pid_cmdline in
fs/proc/base.c, I understand this information is in the user memory
tracked from the mm struct of the task (instead of the task struct
itself), so there is much more indirection to get it than pid, tid and
execname.

Thanks,
Yi Feng


^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: Does anybody have a tapset to get the command line of a task?
  2006-05-25  8:51 ` Richard J Moore
@ 2006-05-30 17:43   ` Yi Feng
  2006-06-02 14:57     ` Richard J Moore
  0 siblings, 1 reply; 4+ messages in thread
From: Yi Feng @ 2006-05-30 17:43 UTC (permalink / raw)
  To: Richard J Moore; +Cc: systemtap

Just want to let you know, I'm still looking forward to your script. :)

Thanks,
Yi Feng

On 5/25/06, Richard J Moore <richardj_moore@uk.ibm.com> wrote:
>
>
>
>
> Yes, I believe I have, but it's on a different system so will post later
> unless someone else does.
> - -
> Richard J Moore
> IBM Advanced Linux Response Team - Linux Technology Centre
> MOBEX: 264807; Mobile (+44) (0)7739-875237
> Office: (+44) (0)1962-817072
>
>
>
>              "Yi Feng"
>              <ericyifeng@gma
>              il.com>                                                    To
>              Sent by:                  systemtap@sources.redhat.com
>              systemtap-owner                                            cc
>              @sourceware.org
>                                                                        bcc
>
>              25/05/2006                                            Subject
>              00:33                     Does anybody have a tapset to get
>                                        the command line of a task?
>
>
>
>
>
>
> We already have pid(), tid() and execname() in tapset/context.stp. I'm
> wondering if somebody has written a tapset to get the command line of
> the (current) task as well. Looking at proc_pid_cmdline in
> fs/proc/base.c, I understand this information is in the user memory
> tracked from the mm struct of the task (instead of the task struct
> itself), so there is much more indirection to get it than pid, tid and
> execname.
>
> Thanks,
> Yi Feng
>
>
>

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: Does anybody have a tapset to get the command line of a task?
  2006-05-30 17:43   ` Yi Feng
@ 2006-06-02 14:57     ` Richard J Moore
  0 siblings, 0 replies; 4+ messages in thread
From: Richard J Moore @ 2006-06-02 14:57 UTC (permalink / raw)
  To: Yi Feng; +Cc: systemtap





Sorry, I have been on vacation. Now I look at my scipt I realise it uses
execname(), which is standard. It doesn't attempt to extract the full
command line.
- -
Richard J Moore
IBM Advanced Linux Response Team - Linux Technology Centre
MOBEX: 264807; Mobile (+44) (0)7739-875237
Office: (+44) (0)1962-817072


                                                                           
             "Yi Feng"                                                     
             <ericyifeng@gma                                               
             il.com>                                                    To 
                                       Richard J Moore/UK/IBM@IBMGB        
             30/05/2006                                                 cc 
             18:43                     systemtap@sources.redhat.com        
                                                                       bcc 
                                                                           
                                                                   Subject 
                                       Re: Does anybody have a tapset to   
                                       get the command line of a task?     
                                                                           
                                                                           




Just want to let you know, I'm still looking forward to your script. :)

Thanks,
Yi Feng

On 5/25/06, Richard J Moore <richardj_moore@uk.ibm.com> wrote:
>
>
>
>
> Yes, I believe I have, but it's on a different system so will post later
> unless someone else does.
> - -
> Richard J Moore
> IBM Advanced Linux Response Team - Linux Technology Centre
> MOBEX: 264807; Mobile (+44) (0)7739-875237
> Office: (+44) (0)1962-817072
>
>
>
>              "Yi Feng"
>              <ericyifeng@gma
>              il.com>
To
>              Sent by:                  systemtap@sources.redhat.com
>              systemtap-owner
cc
>              @sourceware.org
>
bcc
>
>              25/05/2006
Subject
>              00:33                     Does anybody have a tapset to get
>                                        the command line of a task?
>
>
>
>
>
>
> We already have pid(), tid() and execname() in tapset/context.stp. I'm
> wondering if somebody has written a tapset to get the command line of
> the (current) task as well. Looking at proc_pid_cmdline in
> fs/proc/base.c, I understand this information is in the user memory
> tracked from the mm struct of the task (instead of the task struct
> itself), so there is much more indirection to get it than pid, tid and
> execname.
>
> Thanks,
> Yi Feng
>
>
>


^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2006-06-02 14:57 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2006-05-24 23:33 Does anybody have a tapset to get the command line of a task? Yi Feng
2006-05-25  8:51 ` Richard J Moore
2006-05-30 17:43   ` Yi Feng
2006-06-02 14:57     ` Richard J Moore

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