Messages in this thread | | | Date | Tue, 2 Dec 2008 10:05:56 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH] tracing/function-graph-tracer: support for x86-64 |
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* 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
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