From: Jan Kiszka <jan.kiszka@siemens.com>
To: Kieran Bingham <kieran.bingham@linaro.org>, linux-kernel@vger.kernel.org
Cc: lee.jones@linaro.org, peter.griffin@linaro.org, maxime.coquelin@st.com
Subject: Re: [PATCHv3 10/13] scripts/gdb: Add cpu iterators
Date: Sun, 13 Mar 2016 17:33:35 +0100 [thread overview]
Message-ID: <56E5965F.5030001@siemens.com> (raw)
In-Reply-To: <1457005267-843-11-git-send-email-kieran.bingham@linaro.org>
On 2016-03-03 12:41, Kieran Bingham wrote:
> The linux kernel provides macro's for iterating against values from the
> cpu_list masks. By providing some commonly used masks, we can mirror the
> kernels helper macros with easy to use generators.
>
> Signed-off-by: Kieran Bingham <kieran.bingham@linaro.org>
> ---
> scripts/gdb/linux/cpus.py | 21 +++++++++++++++++++++
> 1 file changed, 21 insertions(+)
>
> diff --git a/scripts/gdb/linux/cpus.py b/scripts/gdb/linux/cpus.py
> index 4297b83fedef..59e24472c507 100644
> --- a/scripts/gdb/linux/cpus.py
> +++ b/scripts/gdb/linux/cpus.py
> @@ -100,6 +100,27 @@ def cpu_list(mask_name):
> yield cpu
>
>
> +def each_online_cpu():
> + for cpu in cpu_list("cpu_online_mask"):
> + yield cpu
> +
> +
> +def each_present_cpu():
> + for cpu in cpu_list("cpu_present_mask"):
> + yield cpu
> +
> +
> +def each_possible_cpu():
> + for cpu in cpu_list("cpu_possible_mask"):
> + yield cpu
> +
This patch requires rebasing over master (these masks became macros).
In general, please base on master or even next before posting.
> +
> +def print_cpus():
> + gdb.write("Possible CPUS : {}\n".format(list(each_possible_cpu())))
> + gdb.write("Present CPUS : {}\n".format(list(each_present_cpu())))
> + gdb.write("Online CPUS : {}\n".format(list(each_online_cpu())))
I think this can be useful. Let's make it a real, discoverable command.
lx-cpus?
> +
> +
> class PerCpu(gdb.Function):
> """Return per-cpu variable.
>
>
Jan
--
Siemens AG, Corporate Technology, CT RDA ITP SES-DE
Corporate Competence Center Embedded Linux
next prev parent reply other threads:[~2016-03-13 16:33 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-03 11:40 [PATCHv3 00/13] scripts/gdb: Linux awareness debug commands Kieran Bingham
2016-03-03 11:40 ` [PATCHv3 01/13] scripts/gdb: Provide linux constants Kieran Bingham
2016-03-03 11:40 ` [PATCHv3 02/13] scripts/gdb: Provide kernel list item generators Kieran Bingham
2016-03-08 3:47 ` Jeff Mahoney
2016-03-08 7:55 ` Kieran Bingham
2016-03-03 11:40 ` [PATCHv3 03/13] scripts/gdb: Convert modules usage to lists functions Kieran Bingham
2016-03-03 11:40 ` [PATCHv3 04/13] scripts/gdb: Provide exception catching parser Kieran Bingham
2016-03-03 11:40 ` [PATCHv3 05/13] scripts/gdb: Support !CONFIG_MODULES gracefully Kieran Bingham
2016-03-03 11:41 ` [PATCHv3 06/13] scripts/gdb: Provide a dentry_name VFS path helper Kieran Bingham
2016-03-03 11:41 ` [PATCHv3 07/13] scripts/gdb: Add io resource readers Kieran Bingham
2016-03-03 11:41 ` [PATCHv3 08/13] scripts/gdb: Add mount point list command Kieran Bingham
2016-03-13 16:34 ` Jan Kiszka
2016-03-14 14:39 ` Kieran Bingham
2016-03-14 15:05 ` Jan Kiszka
2016-03-15 10:46 ` Kieran Bingham
2016-03-03 11:41 ` [PATCHv3 09/13] scripts/gdb: Add meminfo command Kieran Bingham
2016-03-13 16:34 ` Jan Kiszka
2016-03-13 18:16 ` Kieran Bingham
2016-03-13 19:08 ` Jan Kiszka
2016-03-14 12:13 ` Kieran Bingham
2016-03-03 11:41 ` [PATCHv3 10/13] scripts/gdb: Add cpu iterators Kieran Bingham
2016-03-13 16:33 ` Jan Kiszka [this message]
2016-03-13 18:39 ` Kieran Bingham
2016-03-03 11:41 ` [PATCHv3 11/13] scripts/gdb: Add a Radix Tree Parser Kieran Bingham
2016-03-03 11:41 ` [PATCHv3 12/13] scripts/gdb: Add interrupts command Kieran Bingham
2016-03-03 11:41 ` [PATCHv3 13/13] scripts/gdb: Add lx_thread_info_by_pid helper Kieran Bingham
2016-03-13 16:35 ` [PATCHv3 00/13] scripts/gdb: Linux awareness debug commands Jan Kiszka
2016-03-14 14:40 ` Kieran Bingham
2016-03-14 15:09 ` Jan Kiszka
2016-03-14 17:18 ` Kieran Bingham
2016-03-14 17:31 ` Jan Kiszka
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