From d088b36adfc3a408db310d0043b9cadf09893e3b Mon Sep 17 00:00:00 2001
From: Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>
Date: Mon, 29 Apr 2019 14:29:17 +0000
Subject: Remove perf workaround.

It seems TK1s do not require perf workaround (and I do have a vague
memory that it was added for benefit of TX1s running 3.10 kernels),
so remove it.

Change-Id: Id546e14a589cdd9644addbd412badcc18f11c922
---
 prepare-board.sh | 31 -------------------------------
 1 file changed, 31 deletions(-)

(limited to 'prepare-board.sh')

diff --git a/prepare-board.sh b/prepare-board.sh
index 3c3bdca..8c0d134 100755
--- a/prepare-board.sh
+++ b/prepare-board.sh
@@ -240,36 +240,6 @@ configure_services()
     fi
 }
 
-########################################
-# configure_perf_hack and helpers
-
-configure_perf_hack()
-{
-    local op=$1
-    local conf_file="$CONFS/perf_hack-$BOARD_TYPE"
-    local pidfile="${RESTORE_LOC}/perf_hack.pid"
-    local pid
-
-    if [ ! -f "$conf_file" ]; then
-	return
-    fi
-
-    if [ -f "$pidfile" ]; then
-        pid=$(cat "$pidfile")
-        kill "$pid" || true
-        verbose "Stopped perf workaround on PID $pid"
-        rm -f "$pidfile"
-    fi
-
-    if [ "$op" = "start" ]; then
-	taskset -c 0 perf record -q -N $(cat $conf_file) -o /dev/null -- sleep 2000d 1>&- 2>&- &
-	pid=$!
-	disown $pid
-	echo "$pid" >> "$pidfile"
-	verbose "Starting perf workaround as PID $pid"
-    fi
-}
-
 ########################################
 # configure_cpu_freq and helpers
 #   sets CPU frequency scaling range and governor
@@ -421,7 +391,6 @@ configure_common()
     configure_services "$op"
     configure_ntp "$op"
     configure_cpufreq "$op"
-    configure_perf_hack "$op"
     if [ "$op" = "stop" ]; then
         rm -f "$RESTORE_LOC/board_type"
         rmdir "${RESTORE_LOC}"
-- 
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