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Thomas Gleixner 020bb75a6d perf session: Cache sample objects ...

When the sample queue is flushed we free the sample reference objects. Though
we need to malloc new objects when we process further. Stop the malloc/free
orgy and cache the already allocated object for resuage. Only allocate when
the cache is empty.

Performance gain: ~ 10%

Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <20101130163820.338488630@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

2010-11-30 20:04:18 -02:00

..

firewire

tools/firewire: nosy-dump: increment program version

2010-07-27 11:04:12 +02:00

perf

perf session: Cache sample objects

2010-11-30 20:04:18 -02:00

usb

USB: testusb: testusb compatibility with FunctionFS gadget

2010-05-20 13:21:43 -07:00