lkml.org 
[lkml]   [2008]   [Dec]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH] tracing/function-graph-tracer: support for x86-64

    * Ingo Molnar <mingo@elte.hu> wrote:

    > > This patch implements the support for function graph tracer under
    > > x86-64. Both static and dynamic tracing are supported.
    >
    > Fantastic stuff! :-)

    Graph tracer output from a 64-bit testbox:

    0) | cache_grow() {
    0) 0.323 us | _spin_lock();
    0) 0.314 us | kmem_flagcheck();
    0) | kmem_getpages() {
    0) | __alloc_pages_internal() {
    0) | get_page_from_freelist() {
    0) 0.295 us | next_zones_zonelist();
    0) 0.306 us | next_zones_zonelist();
    0) 0.394 us | zone_watermark_ok();
    0) 0.415 us | _spin_lock_irqsave();
    0) | __rmqueue() {
    0) | __rmqueue_smallest() {
    0) 0.387 us | __mod_zone_page_state();
    0) 1.514 us | }
    0) 2.369 us | }
    0) | zone_statistics() {
    0) 0.297 us | __inc_zone_state();
    0) 0.290 us | __inc_zone_state();
    0) 1.448 us | }
    0) 7.315 us | }
    0) 7.967 us | }
    0) | mod_zone_page_state() {
    0) 0.285 us | __mod_zone_page_state();
    0) 0.931 us | }
    0) 9.993 us | }
    0) | kmem_cache_alloc_node() {
    0) | cache_alloc_refill() {

    nice :)

    Ingo


    \
     
     \ /
      Last update: 2008-12-02 10:09    [W:0.023 / U:0.428 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site