tools: selftests: Use "grep -E" instead of "egrep"

diff --git a/tools/testing/selftests/ftrace/test.d/preemptirq/irqsoff_tracer.tc b/tools/testing/selftests/ftrace/test.d/preemptirq/irqsoff_tracer.tc
index 22bff12..ba10389 100644
--- a/tools/testing/selftests/ftrace/test.d/preemptirq/irqsoff_tracer.tc
+++ b/tools/testing/selftests/ftrace/test.d/preemptirq/irqsoff_tracer.tc
@@ -46,10 +46,10 @@  cat trace
 grep -q "tracer: preemptoff" trace || fail
 
 # Check the end of the section
-egrep -q "5.....us : <stack trace>" trace || fail
+grep -E -q "5.....us : <stack trace>" trace || fail
 
 # Check for 500ms of latency
-egrep -q "latency: 5..... us" trace || fail
+grep -E -q "latency: 5..... us" trace || fail
 
 reset_tracer
 
@@ -69,10 +69,10 @@  cat trace
 grep -q "tracer: irqsoff" trace || fail
 
 # Check the end of the section
-egrep -q "5.....us : <stack trace>" trace || fail
+grep -E -q "5.....us : <stack trace>" trace || fail
 
 # Check for 500ms of latency
-egrep -q "latency: 5..... us" trace || fail
+grep -E -q "latency: 5..... us" trace || fail
 
 reset_tracer
 exit 0
diff --git a/tools/testing/selftests/gpio/gpio-sim.sh b/tools/testing/selftests/gpio/gpio-sim.sh
index 341e3de..9f539d4 100755
--- a/tools/testing/selftests/gpio/gpio-sim.sh
+++ b/tools/testing/selftests/gpio/gpio-sim.sh
@@ -27,7 +27,7 @@  remove_chip() {
 			continue
 		fi
 
-		LINES=`ls $CONFIGFS_DIR/$CHIP/$BANK/ | egrep ^line`
+		LINES=`ls $CONFIGFS_DIR/$CHIP/$BANK/ | grep -E ^line`
 		if [ "$?" = 0 ]; then
 			for LINE in $LINES; do
 				if [ -e $CONFIGFS_DIR/$CHIP/$BANK/$LINE/hog ]; then
diff --git a/tools/testing/selftests/kselftest_deps.sh b/tools/testing/selftests/kselftest_deps.sh
index 708cb54..7424a1f 100755
--- a/tools/testing/selftests/kselftest_deps.sh
+++ b/tools/testing/selftests/kselftest_deps.sh
@@ -90,7 +90,7 @@  pass_libs=()
 pass_cnt=0
 
 # Get all TARGETS from selftests Makefile
-targets=$(egrep "^TARGETS +|^TARGETS =" Makefile | cut -d "=" -f2)
+targets=$(grep -E "^TARGETS +|^TARGETS =" Makefile | cut -d "=" -f2)
 
 # Single test case
 if [ $# -eq 2 ]
diff --git a/tools/testing/selftests/net/toeplitz.sh b/tools/testing/selftests/net/toeplitz.sh
index 0a49907..da5bfd8 100755
--- a/tools/testing/selftests/net/toeplitz.sh
+++ b/tools/testing/selftests/net/toeplitz.sh
@@ -32,7 +32,7 @@  DEV="eth0"
 # This is determined by reading the RSS indirection table using ethtool.
 get_rss_cfg_num_rxqs() {
 	echo $(ethtool -x "${DEV}" |
-		egrep [[:space:]]+[0-9]+:[[:space:]]+ |
+		grep -E [[:space:]]+[0-9]+:[[:space:]]+ |
 		cut -d: -f2- |
 		awk '{$1=$1};1' |
 		tr ' ' '\n' |
diff --git a/tools/testing/selftests/powerpc/scripts/hmi.sh b/tools/testing/selftests/powerpc/scripts/hmi.sh
index dcdb392..bcc7b6b 100755
--- a/tools/testing/selftests/powerpc/scripts/hmi.sh
+++ b/tools/testing/selftests/powerpc/scripts/hmi.sh
@@ -36,7 +36,7 @@  trap "ppc64_cpu --smt-snooze-delay=100" 0 1
 
 # for each chip+core combination
 # todo - less fragile parsing
-egrep -o 'OCC: Chip [0-9a-f]+ Core [0-9a-f]' < /sys/firmware/opal/msglog |
+grep -E -o 'OCC: Chip [0-9a-f]+ Core [0-9a-f]' < /sys/firmware/opal/msglog |
 while read chipcore; do
 	chip=$(echo "$chipcore"|awk '{print $3}')
 	core=$(echo "$chipcore"|awk '{print $5}')
diff --git a/tools/testing/selftests/rcutorture/bin/console-badness.sh b/tools/testing/selftests/rcutorture/bin/console-badness.sh
index 69f8a59..aad51e7 100755
--- a/tools/testing/selftests/rcutorture/bin/console-badness.sh
+++ b/tools/testing/selftests/rcutorture/bin/console-badness.sh
@@ -10,7 +10,7 @@ 
 #
 # Authors: Paul E. McKenney <paulmck@kernel.org>
 
-egrep 'Badness|WARNING:|Warn|BUG|===========|BUG: KCSAN:|Call Trace:|Oops:|detected stalls on CPUs/tasks:|self-detected stall on CPU|Stall ended before state dump start|\?\?\? Writer stall state|rcu_.*kthread starved for|!!!' |
+grep -E 'Badness|WARNING:|Warn|BUG|===========|BUG: KCSAN:|Call Trace:|Oops:|detected stalls on CPUs/tasks:|self-detected stall on CPU|Stall ended before state dump start|\?\?\? Writer stall state|rcu_.*kthread starved for|!!!' |
 grep -v 'ODEBUG: ' |
 grep -v 'This means that this is a DEBUG kernel and it is' |
 grep -v 'Warning: unable to open an initial console' |
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-build.sh b/tools/testing/selftests/rcutorture/bin/kvm-build.sh
index 5ad973d..9052c4c 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-build.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-build.sh
@@ -45,10 +45,10 @@  fi
 ncpus="`getconf _NPROCESSORS_ONLN`"
 make -j$((2 * ncpus)) $TORTURE_KMAKE_ARG > $resdir/Make.out 2>&1
 retval=$?
-if test $retval -ne 0 || grep "rcu[^/]*": < $resdir/Make.out | egrep -q "Stop|Error|error:|warning:" || egrep -q "Stop|Error|error:" < $resdir/Make.out
+if test $retval -ne 0 || grep "rcu[^/]*": < $resdir/Make.out | grep -E -q "Stop|Error|error:|warning:" || grep -E -q "Stop|Error|error:" < $resdir/Make.out
 then
 	echo Kernel build error
-	egrep "Stop|Error|error:|warning:" < $resdir/Make.out
+	grep -E "Stop|Error|error:|warning:" < $resdir/Make.out
 	echo Run aborted.
 	exit 3
 fi
diff --git a/tools/testing/selftests/rcutorture/bin/kvm-find-errors.sh b/tools/testing/selftests/rcutorture/bin/kvm-find-errors.sh
index 88983cb..0840c44 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm-find-errors.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm-find-errors.sh
@@ -32,9 +32,9 @@  for i in ${rundir}/*/Make.out
 do
 	scenariodir="`dirname $i`"
 	scenariobasedir="`echo ${scenariodir} | sed -e 's/\.[0-9]*$//'`"
-	if egrep -q "error:|warning:|^ld: .*undefined reference to" < $i
+	if grep -E -q "error:|warning:|^ld: .*undefined reference to" < $i
 	then
-		egrep "error:|warning:|^ld: .*undefined reference to" < $i > $i.diags
+		grep -E "error:|warning:|^ld: .*undefined reference to" < $i > $i.diags
 		files="$files $i.diags $i"
 	elif ! test -f ${scenariobasedir}/vmlinux && ! test -f "${rundir}/re-run"
 	then
diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh
index 6c73481..58ccd34 100755
--- a/tools/testing/selftests/rcutorture/bin/kvm.sh
+++ b/tools/testing/selftests/rcutorture/bin/kvm.sh
@@ -586,7 +586,7 @@  awk < $T/cfgcpu.pack \
 echo kvm-end-run-stats.sh "$resdir/$ds" "$starttime" >> $T/script
 
 # Extract the tests and their batches from the script.
-egrep 'Start batch|Starting build\.' $T/script | grep -v ">>" |
+grep -E 'Start batch|Starting build\.' $T/script | grep -v ">>" |
 	sed -e 's/:.*$//' -e 's/^echo //' -e 's/-ovf//' |
 	awk '
 	/^----Start/ {
@@ -623,7 +623,7 @@  then
 elif test "$dryrun" = sched
 then
 	# Extract the test run schedule from the script.
-	egrep 'Start batch|Starting build\.' $T/script | grep -v ">>" |
+	grep -E 'Start batch|Starting build\.' $T/script | grep -v ">>" |
 		sed -e 's/:.*$//' -e 's/^echo //'
 	nbuilds="`grep 'Starting build\.' $T/script |
 		  grep -v ">>" | sed -e 's/:.*$//' -e 's/^echo //' |
diff --git a/tools/testing/selftests/rcutorture/bin/parse-console.sh b/tools/testing/selftests/rcutorture/bin/parse-console.sh
index 822eb03..9ab0f6b 100755
--- a/tools/testing/selftests/rcutorture/bin/parse-console.sh
+++ b/tools/testing/selftests/rcutorture/bin/parse-console.sh
@@ -65,7 +65,7 @@  then
 	fi
 
 	grep --binary-files=text 'torture:.*ver:' $file |
-	egrep --binary-files=text -v '\(null\)|rtc: 000000000* ' |
+	grep -E --binary-files=text -v '\(null\)|rtc: 000000000* ' |
 	sed -e 's/^(initramfs)[^]]*] //' -e 's/^\[[^]]*] //' |
 	sed -e 's/^.*ver: //' |
 	awk '
@@ -128,17 +128,17 @@  then
 	then
 		summary="$summary  Badness: $n_badness"
 	fi
-	n_warn=`grep -v 'Warning: unable to open an initial console' $file | grep -v 'Warning: Failed to add ttynull console. No stdin, stdout, and stderr for the init process' | egrep -c 'WARNING:|Warn'`
+	n_warn=`grep -v 'Warning: unable to open an initial console' $file | grep -v 'Warning: Failed to add ttynull console. No stdin, stdout, and stderr for the init process' | grep -E -c 'WARNING:|Warn'`
 	if test "$n_warn" -ne 0
 	then
 		summary="$summary  Warnings: $n_warn"
 	fi
-	n_bugs=`egrep -c '\bBUG|Oops:' $file`
+	n_bugs=`grep -E -c '\bBUG|Oops:' $file`
 	if test "$n_bugs" -ne 0
 	then
 		summary="$summary  Bugs: $n_bugs"
 	fi
-	n_kcsan=`egrep -c 'BUG: KCSAN: ' $file`
+	n_kcsan=`grep -E -c 'BUG: KCSAN: ' $file`
 	if test "$n_kcsan" -ne 0
 	then
 		if test "$n_bugs" = "$n_kcsan"
@@ -158,7 +158,7 @@  then
 	then
 		summary="$summary  lockdep: $n_badness"
 	fi
-	n_stalls=`egrep -c 'detected stalls on CPUs/tasks:|self-detected stall on CPU|Stall ended before state dump start|\?\?\? Writer stall state' $file`
+	n_stalls=`grep -E -c 'detected stalls on CPUs/tasks:|self-detected stall on CPU|Stall ended before state dump start|\?\?\? Writer stall state' $file`
 	if test "$n_stalls" -ne 0
 	then
 		summary="$summary  Stalls: $n_stalls"