Hi Gautham, Reply inline.. On Thu, 2009-04-09 at 14:16 +0530, gautham k wrote: > hello everyone > > I am looking into system call failure i know that system call fail > when errno is non-zero > > The following is my query > 1) I want to know what information can i get by looking into the > stack using ustack() function.does it provide any vital information > for my analysis. ustack() gives the stack trace of userland functions that were called before the function at which the probe was fired. stack() is used to get the kernel stack in the same way.
How useful this information is depends on what exactly you are looking for? It has always been handy to look at the stack to understand the execution path. Regards, Krishnan > > > thanks in advance > > _______________________________________________ > dtrace-discuss mailing list > [email protected] _______________________________________________ dtrace-discuss mailing list [email protected]
