From mboxrd@z Thu Jan 1 00:00:00 1970 From: maxime.ripard@free-electrons.com (Maxime Ripard) Date: Sun, 8 Mar 2015 22:49:00 +0100 Subject: Get local CPU id In-Reply-To: References: Message-ID: <20150308214900.GN5085@lukather> To: kernelnewbies@lists.kernelnewbies.org List-Id: kernelnewbies.lists.kernelnewbies.org On Sun, Mar 08, 2015 at 10:06:23PM +0300, Matwey V. Kornilov wrote: > Hi, > > I would like to somehow obtain local CPU core ID in the interrupt > handler function. I want to see how my interruptions are distributed > among different CPU cores under different conditions. > > How should I do that? To answer strictly your question, like Nick said, smp_processor_id() will work fine. However, you can do exactly what you want be reading /proc/interrupts, that already provide the informations you are looking for. Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 819 bytes Desc: Digital signature Url : http://lists.kernelnewbies.org/pipermail/kernelnewbies/attachments/20150308/864d20b8/attachment.bin