On Thu, Nov 22, 2012 at 12:51:00PM +0100, Robert Jarzmik wrote:
> Dave Chinner writes:
>
> > We actually have an informal convention for formating filesystem
> > trace events, and that is to use the device number
> >
> >>
> >> > +),
> >> > +
> >> > +TP_printk("page=%p pfn=%lu
Dave Chinner writes:
> We actually have an informal convention for formating filesystem
> trace events, and that is to use the device number
>
>>
>> > + ),
>> > +
>> > + TP_printk("page=%p pfn=%lu blk=%d:%d inode+ofs=%lu+%lu",
>
> ... and to prefix messages like:
>
> TP_printk("dev %
Hugh Dickins writes:
> On Thu, 8 Nov 2012, Robert Jarzmik wrote:
>> --- a/mm/filemap.c
>> +++ b/mm/filemap.c
>> @@ -467,6 +471,7 @@ int add_to_page_cache_locked(struct page *page, struct
>> address_space *mapping,
>> } else {
>> page->mapping = NULL;
>>
Dave Chinner writes:
> We actually have an informal convention for formating filesystem
> trace events, and that is to use the device number
>
>>
>> > + ),
>> > +
>> > + TP_printk("page=%p pfn=%lu blk=%d:%d inode+ofs=%lu+%lu",
>
> ... and to prefix messages like:
>
> TP_printk("dev %d
Andrew Morton writes:
>> +TP_STRUCT__entry(
>> +__field(struct page *, page)
>> +__field(unsigned long, i_no)
>
> May as well call this i_ino - there's little benefit in using a
> different identifier.
Agreed for patch V2.
>
>> +__field(unsigned long, pageof
On Thu, 8 Nov 2012, Robert Jarzmik wrote:
> --- a/mm/filemap.c
> +++ b/mm/filemap.c
> @@ -467,6 +471,7 @@ int add_to_page_cache_locked(struct page *page, struct
> address_space *mapping,
> } else {
> page->mapping = NULL;
> /* Leave page->i
On Tue, Nov 20, 2012 at 03:57:35PM -0800, Andrew Morton wrote:
> On Thu, 8 Nov 2012 20:54:10 +0100
> Robert Jarzmik wrote:
.
> > + __field(dev_t, s_dev)
>
> Perhaps use super_block.s_id here
>
> > + ),
> > +
> > + TP_fast_assign(
> > + __entry->page = page;
> > +
On Thu, 8 Nov 2012 20:54:10 +0100
Robert Jarzmik wrote:
> Use the events API to trace filemap loading and
> unloading of file pieces into the page cache.
>
> This patch aims at tracing the eviction reload
> cycle of executable and shared libraries pages in
> a memory constrained environment.
>
Use the events API to trace filemap loading and
unloading of file pieces into the page cache.
This patch aims at tracing the eviction reload
cycle of executable and shared libraries pages in
a memory constrained environment.
The typical usage is to spot a specific device and
inode (for example /l
Use the events API to trace filemap loading and
unloading of file pieces into the page cache.
This patch aims at tracing the eviction reload
cycle of executable and shared libraries pages in
a memory constrained environment.
The typical usage is to spot a specific device and
inode (for example /l
10 matches
Mail list logo
