Messages in this thread | | | Date | Tue, 2 Dec 2008 13:03:26 +0100 | From | "Frédéric Weisbecker" <> | Subject | Re: [PATCH] tracing/function-graph-tracer: support for x86-64 |
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2008/12/2 Ingo Molnar <mingo@elte.hu>: > 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 >
:-)
Yesterday, I noticed some rare and weird things like this:
leaf_func(); leaf_func(); leaf_func(); leaf_func() { leaf_func(); leaf_func();
I'm not sure of the origin. I will investigate....
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