Re: [PATCH] linux-2.5.43_vsyscall_A0

From: Gerrit Huizenga (gh@us.ibm.com)
Date: Wed Oct 23 2002 - 12:51:54 EST


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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Wed Oct 23 2002 - 22:01:05 EST