lkml.org 
[lkml]   [2016]   [Dec]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH v3 4/5] dax: add tracepoints to dax_pmd_load_hole()
    On Thu,  1 Dec 2016 09:37:50 -0700
    Ross Zwisler <ross.zwisler@linux.intel.com> wrote:

    > Add tracepoints to dax_pmd_load_hole(), following the same logging
    > conventions as the tracepoints in dax_iomap_pmd_fault().
    >
    > Here is an example PMD fault showing the new tracepoints:
    >
    > read_big-1478 [004] .... 238.242188: xfs_filemap_pmd_fault: dev 259:0
    > ino 0x1003
    >
    > read_big-1478 [004] .... 238.242191: dax_pmd_fault: dev 259:0 ino 0x1003
    > shared ALLOW_RETRY|KILLABLE|USER address 0x10400000 vm_start 0x10200000
    > vm_end 0x10600000 pgoff 0x200 max_pgoff 0x1400
    >
    > read_big-1478 [004] .... 238.242390: dax_pmd_load_hole: dev 259:0 ino
    > 0x1003 shared address 0x10400000 zero_page ffffea0002c20000 radix_entry
    > 0x1e
    >
    > read_big-1478 [004] .... 238.242392: dax_pmd_fault_done: dev 259:0 ino
    > 0x1003 shared ALLOW_RETRY|KILLABLE|USER address 0x10400000 vm_start
    > 0x10200000 vm_end 0x10600000 pgoff 0x200 max_pgoff 0x1400 NOPAGE
    >
    > Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
    > Reviewed-by: Jan Kara <jack@suse.cz>
    > ---

    Acked-by: Steven Rostedt <rostedt@goodmis.org>

    -- Steve

    \
     
     \ /
      Last update: 2016-12-01 17:57    [W:4.725 / U:0.000 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site