From: Steven Rostedt <rostedt@goodmis.org>
To: "H. Peter Anvin" <hpa@linux.intel.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Frederic Weisbecker <fweisbec@gmail.com>,
Josh Poimboeuf <jpoimboe@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
Vaibhav Nagarnaik <vnagarnaik@google.com>
Subject: Re: [RFC][PATCH] tracing/syscalls: Have ia32 compat syscalls show raw format
Date: Tue, 12 Feb 2013 13:51:21 -0500 [thread overview]
Message-ID: <1360695081.21867.73.camel@gandalf.local.home> (raw)
In-Reply-To: <1360694555.21867.69.camel@gandalf.local.home>
On Tue, 2013-02-12 at 13:42 -0500, Steven Rostedt wrote:
> Really, I converted:
>
> lls-1127 [005] d... 936.409188: sys_recvfrom(fd: 0, ubuf: 4d560fc4, size: 0, flags: 8048034, addr: 8, addr_len: f7700420)
> lls-1127 [005] d... 936.409190: sys_recvfrom -> 0x8a77000
> lls-1127 [005] d... 936.409211: sys_lgetxattr(pathname: 0, name: 1000, value: 3, size: 22)
> lls-1127 [005] d... 936.409215: sys_lgetxattr -> 0xf76ff000
> lls-1127 [005] d... 936.409223: sys_dup2(oldfd: 4d55ae9b, newfd: 4)
> lls-1127 [005] d... 936.409228: sys_dup2 -> 0xfffffffffffffffe
>
> To:
> lls-1100 [005] d... 97.051616: sys_compat_syscall(NR: 2d, arg1: 0, arg2: 4d560fc4, arg3: 0, arg4: 8048034, arg5: 8, arg6: f77bb420)
0x2d = 45
> lls-1100 [005] d... 97.051619: sys_compat_syscall -> 0x91fd000
> lls-1100 [005] d... 97.051640: sys_compat_syscall(NR: c0, arg1: 0, arg2: 1000, arg3: 3, arg4: 22, arg5: ffffffff, arg6: 0)
0xc0 = 192
> lls-1100 [005] d... 97.051644: sys_compat_syscall -> 0xf77ba000
> lls-1100 [005] d... 97.051652: sys_compat_syscall(NR: 21, arg1: 4d55ae9b, arg2: 4, arg3: 4d560fc4, arg4: 4d55ae9b, arg5: 0, arg6: fff3ee78)
0x21 = 33
> lls-1100 [005] d... 97.051658: sys_compat_syscall -> 0xfffffffffffffffe
>
syscall nr | ia32 syscall | x86_64syscall
----------------+-------------------+--------------
45 | sys_brk | sys_recvfrom
192 | sys_mmap2 | sys_lgetxattr
33 | sys_access | sys_dup2
Makes more sense now doesn't it.
-- Steve
next prev parent reply other threads:[~2013-02-12 18:51 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-12 18:01 [RFC][PATCH] tracing/syscalls: Have ia32 compat syscalls show raw format Steven Rostedt
2013-02-12 18:11 ` H. Peter Anvin
2013-02-12 18:42 ` Steven Rostedt
2013-02-12 18:51 ` Steven Rostedt [this message]
2013-02-12 19:39 ` H. Peter Anvin
2013-02-12 19:54 ` H. Peter Anvin
2013-02-12 21:18 ` [RFC][PATCH v2] tracing/syscalls: Allow archs to ignore tracing compat syscalls Steven Rostedt
2013-02-12 21:33 ` H. Peter Anvin
2013-02-12 21:42 ` Steven Rostedt
2013-02-12 22:34 ` H. Peter Anvin
2013-02-20 13:55 ` [tip:perf/urgent] " tip-bot for Steven Rostedt
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