Re: [patch] fix syscall speedup patch mips typo

On Wed, 15 Mar 2006, Amy Griffis wrote: > Hi Jason, > > On Mon, Mar 06, 2006 at 10:32:01AM -0500, Jason Baron wrote: > > Patch is below. The idea behind this patch is based on a suggestion from > > Steve Grubb to not call 'audit_syscall_entry' and 'audit_syscall_exit' if > > there are no audit rules loaded. This is problematic for the case where > > audit_log() is called in the middle of a system call (since we don't have > > the entry parameters). We address this issue by creating a partial system > > call record for this case, which contains the system call data that is > > available at exit time. The patch shows a 30% performance increase for the > > case where no rules are loaded on testing system calls in a tight loop. > > For your baseline measurement, was syscall auditing enabled or > disabled? > the baseline is audit enabled (ie audit_enabled=1) with no rules and no speedup patch. This was compared with audit enabled with no rules but with the speedup patch.