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From: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
To: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>,
	linux-kernel@vger.kernel.org, Ingo Molnar <mingo@redhat.com>,
	Namhyung Kim <namhyung@kernel.org>,
	Tom Zanussi <tom.zanussi@linux.intel.com>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	linux-trace-users@vger.kernel.org,
	linux-kselftest@vger.kernel.org, shuah@kernel.org,
	Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
Subject: Re: [PATCH v6 21/21] perf-probe: Add array argument support
Date: Thu, 22 Mar 2018 16:19:46 +0530	[thread overview]
Message-ID: <8b3ad72c-f28c-8fc0-32b8-4401dbe16358@linux.vnet.ibm.com> (raw)
In-Reply-To: <20180322182347.ca1aab9b77ab4c351100646b@kernel.org>

Hi Masami :)

On 03/22/2018 03:53 PM, Masami Hiramatsu wrote:
> On Mon, 19 Mar 2018 13:29:59 +0530
> Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com> wrote:
>
>>
>> Is it okay to allow user to specify array size with type field?
> Fro this patch, yes.

So IIUC, perf _tool_ will allow user to record array either with "name[range]"
or by "name:type[length]". Please correct me if that's wrong.

And If perf tool will allow array length along with TYPE field, I guess we should
document that in man perf-probe?

Otherwise,

Acked-by: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>

Thanks,
Ravi

>  The availability of type is checked only when
> it is automatically generated.
> IMO, it should be done in another patch, something like
> "Validate user specified type casting" patch. Would you need it?
>
> Thank you,
>


  reply	other threads:[~2018-03-22 10:47 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-17 12:37 [PATCH v6 00/21] tracing: probeevent: Improve fetcharg features Masami Hiramatsu
2018-03-17 12:38 ` [PATCH v6 01/21] [BUGFIX] tracing: probeevent: Fix to support minus offset from symbol Masami Hiramatsu
2018-03-17 12:38 ` [PATCH v6 02/21] selftests: ftrace: Add probe event argument syntax testcase Masami Hiramatsu
2018-03-17 12:39 ` [PATCH v6 03/21] selftests: ftrace: Add a testcase for string type with kprobe_event Masami Hiramatsu
2018-03-17 12:40 ` [PATCH v6 04/21] selftests: ftrace: Add a testcase for probepoint Masami Hiramatsu
2018-03-23 16:19   ` Steven Rostedt
2018-03-17 12:41 ` [PATCH v6 05/21] tracing: probeevent: Cleanup print argument functions Masami Hiramatsu
2018-03-23 16:36   ` Steven Rostedt
2018-03-26  4:17     ` Masami Hiramatsu
2018-03-26 17:28       ` Steven Rostedt
2018-03-28  4:21         ` Masami Hiramatsu
2018-03-17 12:41 ` [PATCH v6 06/21] tracing: probeevent: Cleanup argument field definition Masami Hiramatsu
2018-03-17 12:42 ` [PATCH v6 07/21] tracing: probeevent: Remove NOKPROBE_SYMBOL from print functions Masami Hiramatsu
2018-03-17 12:43 ` [PATCH v6 08/21] tracing: probeevent: Introduce new argument fetching code Masami Hiramatsu
2018-03-17 12:44 ` [PATCH v6 09/21] tracing: probeevent: Unify fetch type tables Masami Hiramatsu
2018-03-17 12:44 ` [PATCH v6 10/21] tracing: probeevent: Return consumed bytes of dynamic area Masami Hiramatsu
2018-04-02 20:02   ` Steven Rostedt
2018-04-03 14:41     ` Masami Hiramatsu
2018-03-17 12:45 ` [PATCH v6 11/21] tracing: probeevent: Append traceprobe_ for exported function Masami Hiramatsu
2018-03-17 12:46 ` [PATCH v6 12/21] tracing: probeevent: Unify fetch_insn processing common part Masami Hiramatsu
2018-03-17 12:47 ` [PATCH v6 13/21] tracing: probeevent: Add symbol type Masami Hiramatsu
2018-03-17 12:47 ` [PATCH v6 14/21] x86: ptrace: Add function argument access API Masami Hiramatsu
2018-03-17 12:48 ` [PATCH v6 15/21] tracing: probeevent: Add $argN for accessing function args Masami Hiramatsu
2018-03-17 12:49 ` [PATCH v6 16/21] tracing: probeevent: Add array type support Masami Hiramatsu
2018-03-17 12:50 ` [PATCH v6 17/21] selftests: ftrace: Add a testcase for symbol type Masami Hiramatsu
2018-03-17 12:50 ` [PATCH v6 18/21] selftests: ftrace: Add a testcase for $argN with kprobe_event Masami Hiramatsu
2018-03-17 12:51 ` [PATCH v6 19/21] selftests: ftrace: Add a testcase for array type " Masami Hiramatsu
2018-03-17 12:52 ` [PATCH v6 20/21] [RESEND] perf-probe: Fix to convert array type collectly Masami Hiramatsu
2018-03-20  6:36   ` [tip:perf/core] perf probe: Use right type to access array elements tip-bot for Masami Hiramatsu
2018-03-17 12:53 ` [PATCH v6 21/21] perf-probe: Add array argument support Masami Hiramatsu
2018-03-19  7:59   ` Ravi Bangoria
2018-03-22 10:23     ` Masami Hiramatsu
2018-03-22 10:49       ` Ravi Bangoria [this message]
2018-03-26  3:53         ` Masami Hiramatsu
2018-03-17 14:06 ` [PATCH v6 00/21] tracing: probeevent: Improve fetcharg features Masami Hiramatsu

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