Haitao Li ef0775fec8 build: Check and set perf --log-fd option
Linux perf tool version 3.2 introduced a new option "--log-fd" defaults
to 0, which leads to error "Failed opening logfd: Illegal argument" when
executing perf tests.

Set logfd to stderr to let perf test work.

Issue #1538
2012-01-17 10:48:46 +08:00
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2012-01-01 20:18:55 -08:00
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