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authorFrederic Weisbecker <fweisbec@gmail.com>2010-03-03 01:38:37 -0500
committerFrederic Weisbecker <fweisbec@gmail.com>2010-03-10 08:26:40 -0500
commit61e67fb9d3ed13e6a7f58652ae4979b9c872fa57 (patch)
treebccc09f36185b7aac11f11c64cff5d6f8b38cdae /kernel
parentdb2c4c7791cd04512093d05afc693c3511a65fd7 (diff)
perf/x86-64: Use frame pointer to walk on irq and process stacks
We were using the frame pointer based stack walker on every contexts in x86-32, but not in x86-64 where we only use the seven-league boots on the exception stacks. Use it also on irq and process stacks. This utterly accelerate the captures. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions