From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Ahern Date: Fri, 10 Apr 2015 02:13:23 +0000 Subject: Re: system call tracing on sparc Message-Id: <552731C3.5050900@oracle.com> List-Id: References: <5526FAC8.8000309@oracle.com> In-Reply-To: <5526FAC8.8000309@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: sparclinux@vger.kernel.org On 4/9/15 4:21 PM, David Ahern wrote: >> Have you ever used system call tracing on sparc? It does not work for >> 2.6.39 or 4.0; wondering if it has ever worked. I see signs in >> arch/sparc/kernel/syscalls.S for example that suggests it should have at >> one point. >> > > To clarify I mean through perf. Using the tracing interface via debugfs > I can get the raw_syscall tracepoints, just not through perf. hmmm... nevermind. It does work on 4.0 (too many perf problems and too many kernel versions). I'll figure out when it started working.