linux-kernel - Interrupt Latency test for intel machine

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Message-ID: <3f9a31f40710260713q4a00dd30h4f38870af8a33f14@mail.gmail.com>
Date:	Fri, 26 Oct 2007 19:43:55 +0530
From:	"Jaswinder Singh" <jaswinderlinux@...il.com>
To:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Interrupt Latency test for intel machine

Hello all,

On my Intel Pentium 4 CPU 2.40 GHz machine by using attached file, I
am getting Interrupt latency as follows :-

Configuration               MAX (us)        MIN (us)        AVG (us)
     Samples
-------------                      --------             --------
      --------            -------------
PREEMPT-NONE            43.576          4.190           4.190           119343

Voluntary PREEMPT       44.414          4.190           4.190           108694

PREEMPT low-latency     39.398          4.190           5.028           112717

Thank you,

Jaswinder Singh.

View attachment "irq_latency.c" of type "text/x-csrc" (2899 bytes)

View attachment "irq_lat.patch" of type "text/x-patch" (1161 bytes)

Download attachment "Makefile" of type "application/octet-stream" (235 bytes)