Re: [PATCH] linux-2.5.43_vsyscall_A0

Gerrit Huizenga
2002-10-23T17:47:52Z

In message <20021023051208.GA1350@eskimo.com>, > : Elladan writes:
> gettimeofday() call frequency *can* be very high, but let's test it...

Oracle and possibly DB2 call gettimeofday to timestamp each potential
roll back transaction. With a large machine, the number of calls to
gettimeofday() can be enormous, as well as one of the top few bottlenecks
for TPC-C style workloads (OLTP).

gerrit