#!/bin/sh CPUS_ONLINE=$(lscpu --online -p=cpu|grep -v -e '#') #use last CPU for host. Why not the first? #many devices tend to use cpu0 by default so #it tends to be busier HOST_AFFINITY=$(echo "${CPUS_ONLINE}"|tail -n 1) #run command on all cpus for cpu in $CPUS_ONLINE do #Don't run guest and host on same CPU #It actually works ok if using signalling if (echo "$@" | grep -e "--sleep" > /dev/null) || \ test $HOST_AFFINITY '!=' $cpu then echo "GUEST AFFINITY $cpu" "$@" --host-affinity $HOST_AFFINITY --guest-affinity $cpu fi done echo "NO GUEST AFFINITY" "$@" --host-affinity $HOST_AFFINITY echo "NO AFFINITY" "$@" a href='/cgit.cgi/'>cgit logo index : net-next.git
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authorRavi Bangoria <ravi.bangoria@linux.vnet.ibm.com>2016-08-03 14:28:44 +0530
committerArnaldo Carvalho de Melo <acme@redhat.com>2016-09-01 12:42:25 -0300
commitb3f33f930606a55b547ac4ef5a32df2c23a44ec1 (patch)
treecf1a5012e195f7d60de7609d392120030ce599f1
parent432746f8e0b6a82ba832b771afe31abd51af6752 (diff)
perf probe: Add helper function to check if probe with variable
Introduce helper function instead of inline code and replace hardcoded strings "$vars" and "$params" with their corresponding macros. perf_probe_with_var() is not declared as static since it will be called from different file in subsequent patch. Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Hemant Kumar <hemant@linux.vnet.ibm.com> Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/1470214725-5023-1-git-send-email-ravi.bangoria@linux.vnet.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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