From: Michael Ellerman <mpe@ellerman.id.au>
To: Marcin Nowakowski <marcin.nowakowski@imgtec.com>,
linux-kernel@vger.kernel.org
Cc: linux-api@vger.kernel.org, luto@amacapital.net,
rostedt@goodmis.org,
Marcin Nowakowski <marcin.nowakowski@imgtec.com>,
Ingo Molnar <mingo@redhat.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v3 08/11] powerpc/tracing: fix compat syscall handling
Date: Wed, 12 Oct 2016 20:59:42 +1100 [thread overview]
Message-ID: <87zim951m9.fsf@concordia.ellerman.id.au> (raw)
In-Reply-To: <1476182576-15247-9-git-send-email-marcin.nowakowski@imgtec.com>
Marcin Nowakowski <marcin.nowakowski@imgtec.com> writes:
> Adapt the code to make use of new syscall handling interface
>
> Signed-off-by: Marcin Nowakowski <marcin.nowakowski@imgtec.com>
> Cc: Steven Rostedt <rostedt@goodmis.org>
> Cc: Ingo Molnar <mingo@redhat.com>
> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> Cc: Paul Mackerras <paulus@samba.org>
> Cc: Michael Ellerman <mpe@ellerman.id.au>
> Cc: linuxppc-dev@lists.ozlabs.org
> ---
> arch/powerpc/include/asm/ftrace.h | 11 +++++++++++
> arch/powerpc/kernel/ftrace.c | 4 ++++
I went to test this and noticed the exit and enter events appear to be
reversed in time? (your series on top of 24532f768121)
ls-4221 [003] .... 83.766113: compat_sys_rt_sigprocmask -> 0x2
ls-4221 [003] .... 83.766137: compat_sys_rt_sigprocmask(how: 2, nset: 1010db30, oset: 0, sigsetsize: 8)
ls-4221 [003] .... 83.766175: compat_sys_rt_sigaction -> 0x14
ls-4221 [003] .... 83.766175: compat_sys_rt_sigaction(sig: 14, act: ffbd33c4, oact: ffbd3338, sigsetsize: 8)
ls-4221 [003] .... 83.766177: compat_sys_rt_sigaction -> 0x15
ls-4221 [003] .... 83.766177: compat_sys_rt_sigaction(sig: 15, act: ffbd33c4, oact: ffbd3338, sigsetsize: 8)
ls-4221 [003] .... 83.766178: compat_sys_rt_sigaction -> 0x16
ls-4221 [003] .... 83.766178: compat_sys_rt_sigaction(sig: 16, act: ffbd33d4, oact: ffbd3348, sigsetsize: 8)
ls-4221 [003] .... 83.766179: sys_setpgid -> 0x107d
ls-4221 [003] .... 83.766179: sys_setpgid(pid: 107d, pgid: 107d)
ls-4221 [003] .... 83.766180: compat_sys_rt_sigprocmask -> 0x0
ls-4221 [003] .... 83.766181: compat_sys_rt_sigprocmask(how: 0, nset: ffbd34b0, oset: ffbd3530, sigsetsize: 8)
ls-4221 [003] .... 83.766186: compat_sys_ioctl -> 0xff
ls-4221 [003] .... 83.766187: compat_sys_ioctl(fd: ff, cmd: 80047476, arg32: ffbd3488)
ls-4221 [003] .... 83.766188: compat_sys_rt_sigprocmask -> 0x2
ls-4221 [003] .... 83.766189: compat_sys_rt_sigprocmask(how: 2, nset: ffbd3530, oset: 0, sigsetsize: 8)
ls-4221 [003] .... 83.766189: sys_close -> 0x4
ls-4221 [003] .... 83.766190: sys_close(fd: 4)
ls-4221 [003] .... 83.766191: sys_read -> 0x3
ls-4221 [003] .... 83.766191: sys_read(fd: 3, buf: ffbd35dc, count: 1)
ls-4221 [003] .... 83.766235: sys_close -> 0x3
ls-4221 [003] .... 83.766235: sys_close(fd: 3)
cheers
next prev parent reply other threads:[~2016-10-12 9:59 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1476182576-15247-1-git-send-email-marcin.nowakowski@imgtec.com>
2016-10-11 10:42 ` [PATCH v3 03/11] tracing/syscalls: add compat syscall metadata Marcin Nowakowski
2016-10-12 8:50 ` Michael Ellerman
2016-10-12 13:09 ` Marcin Nowakowski
2016-10-13 9:33 ` Michael Ellerman
2016-10-11 10:42 ` [PATCH v3 08/11] powerpc/tracing: fix compat syscall handling Marcin Nowakowski
2016-10-12 9:59 ` Michael Ellerman [this message]
2016-10-12 13:10 ` Marcin Nowakowski
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