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From: Marcelo Tosatti <mtosatti@redhat.com>
To: John Kacur <jkacur@redhat.com>
Cc: linux-rt-users@vger.kernel.org
Subject: [PATCH rt-tests] queuelat: fix get_cpuinfo_mhz.sh script on SMP systems
Date: Wed, 20 Jun 2018 10:21:31 -0300	[thread overview]
Message-ID: <20180620132129.GA7983@amt.cnet> (raw)


get_cpuinfo_mhz.sh fails on SMP systems because 
/proc/cpuinfo returns multiple "cpu MHz" containing
lines.

Get only the first one.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

diff --git a/src/queuelat/get_cpuinfo_mhz.sh b/src/queuelat/get_cpuinfo_mhz.sh
index fb5158f..46f94c4 100755
--- a/src/queuelat/get_cpuinfo_mhz.sh
+++ b/src/queuelat/get_cpuinfo_mhz.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
 
-mhz=`cat /proc/cpuinfo  | grep "cpu MHz" | uniq | cut -f 3 -d " "`
+mhz=`cat /proc/cpuinfo  | grep "cpu MHz" | uniq | cut -f 3 -d " " | head -1`
 echo $mhz
 

             reply	other threads:[~2018-06-20 13:22 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-20 13:21 Marcelo Tosatti [this message]
2018-06-22 20:00 ` [PATCH rt-tests] queuelat: fix get_cpuinfo_mhz.sh script on SMP systems Gratian Crisan
2018-06-23 13:24   ` Carsten Emde

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