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Message-ID: <454295F4.1050001@superbug.co.uk> Date: Sat, 28 Oct 2006 00:27:48 +0100 From: James Courtier-Dutton <James@...erbug.co.uk> To: Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Latency measurements Hi, If I have an application using poll() to wait for an event, and that event it triggered by an interrupt handling routine in the kernel. E.g. DMA transaction completed. Is there any way for me to measure the latency between the kernel interrupt, and my application returning from the poll() call? James - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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