On 08/25/14 at 04:04pm, Vivek Goyal wrote:
> On Mon, Aug 25, 2014 at 02:36:22PM +0800, Baoquan He wrote:
> > The print is like below:
> >
> > ~$ ./makedumpfile --mem-usage /proc/kcore
> > The kernel version is not supported.
> > The created dumpfile may be incomplete.
>
> I still think that above messages should go. It does not make
> any sense with --mem-usage. No dumpfile is being created here.
This is printed by function get_kernel_version(), it will be used by
other makedumpfile main code flows too. This message is used to warn
users that users' using kernel may not be tested suffciently. I think
those tests are mainly taken by Atsushi. When he finished sufficient
tests on a new version of kernel, the LATEST_VERSION will be changed to
be a larger value. I am fine with this message, since it won't occur on
our distribution, anyway kernel for distribution are all tested. And if
LATEST_VERSION is older than our distribution kernel, maintainer may be
pushed to take tests and update this value. So don't worry about this
message.
But I would like to change the message like below to clean up
misunderstanding if Atsushi doesn't object, this mostly occur when
people working on latest upstream kernel.
-------------------------------------------------
The kernel version is not supported.
The makedumpfile operation may not be successful.
--------------------------------------------------
>
> > Excluding unnecessary pages : [100.0 %] |
>
>
> >
> > Page number of memory in different use
> > --------------------------------------------------
>
> I think above header can completely go away. It kind of looks odd.
OK, will remove it.
>
> > TYPE PAGES EXCLUDABLE DESCRIPTION
> > ZERO 29149 yes Pages filled
> > with zero
> > CACHE 171288 yes Cache pages
> > CACHE_PRIVATE 12051 yes Cache pages +
> > private
> > USER 31816 yes User process
> > pages
> > FREE 3700059 yes Free pages
> > KERN_DATA 105305 no Dumpable kernel data
> >
> > Total pages on system: 4049668
> >
> > Showing page number of memory in different use successfully.
>
> I think we don't need above line. I am not even sure what does it mean.
Will remove it.
> >
> > makedumpfile Completed.
>
> We don't need above line either.
This is also a public message printing, means if makedumpfile operation
is successful or not. Maybe I can add a check like below:
@@ -9546,7 +9553,7 @@ main(int argc, char *argv[])
retcd = COMPLETED;
out:
MSG("\n");
- if (retcd == COMPLETED)
+ if ((retcd == COMPLETED) && (!info->flag_mem_usage))
MSG("makedumpfile Completed.\n");
else
MSG("makedumpfile Failed.\n");
Hi Atsushi,
How do you think about this? And for the excluding progress indication
too, add a check that if it's mem-usage handling, not printing.
Thanks
Baoquan
>
> In output we should just show the actual table. If there is an error,
> we should output error and exit (no table).
>
> Thanks
> Vivek
>
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