I tried that previously, Maybe I didnt run things long enough but it never displayed anything. Might be an error on my part
On Tue, Feb 23, 2010 at 8:03 PM, Steve Reinhardt <[email protected]> wrote: > You can also try enabling the SyscallVerbose trace flag... that may or > may not be more convenient depending on what you're doing. > > Steve > > On Tue, Feb 23, 2010 at 5:08 PM, ef <[email protected]> wrote: > > systems call can be tracked using the stat.txt output > > search for things such as: > > system.cpu0.kern.syscall::73 1 0.00% > 0.01% > > # number of syscalls executed > > > > these numbers can be traced searching from system call tables. using an > > alpha cross compiler or the linux kernel source code (or google you can > > trace these calls.) > > system call macros usually have the prefix "__NR_" > > > > > > On Wed, Feb 10, 2010 at 6:07 PM, ef <[email protected]> wrote: > >> > >> Hello, > >> I am running a program where I noticed that 50% of M5 execution time is > >> spent in the kernel. Looking at the program, I cannot find reasons why > this > >> would be the case (4 threads, where there is very little communcation > >> between threads). Anyone have any idea on how to trace the instruction > >> callsys,and see what system calls are made? > >> > >> I see a huge amount of callsys, swpipl, rti instructions being executed! > >> > >> > >> Thanks, > >> EF > > > > _______________________________________________ > > m5-users mailing list > > [email protected] > > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users > > > _______________________________________________ > m5-users mailing list > [email protected] > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users >
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