linux-kernel - Re: how to find a task through name faster?

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Message-ID: <4E1B5A1E.4060604@gmail.com>
Date:	Mon, 11 Jul 2011 22:16:30 +0200
From:	Jiri Slaby <jirislaby@...il.com>
To:	loody <miloody@...il.com>
CC:	linux-kernel@...r.kernel.org
Subject: Re: how to find a task through name faster?

On 07/11/2011 06:52 PM, loody wrote:
> hi all:
> I found a way to find a task I need by name, test,  as below:
> for_each_process(task) {
>     if(strcmp(task->comm, "test")
>         printk(“%s[%d]\n”, task->comm, task->pid);
> }
> 
> But it is time-consuming to do so if I periodically want to know
> whether "test" exist or not.
> is there better way to do so?

It depends on what you are trying to achieve. Maybe process accounting
is what you want?

-- 
js
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