Merge tag 'linux-kselftest-4.7-rc1' of... (d62a0234) · Commits · 戴 / test

tools/testing/selftests/ftrace/ftracetest

+7 −2

Original line number	Diff line number	Diff line
		@@ -88,7 +88,12 @@ parse_opts() { # opts

		# Parameters
		DEBUGFS_DIR=`grep debugfs /proc/mounts \| cut -f2 -d' ' \| head -1`
		if [ -z "$DEBUGFS_DIR" ]; then
		TRACING_DIR=`grep tracefs /proc/mounts \| cut -f2 -d' ' \| head -1`
		else
		TRACING_DIR=$DEBUGFS_DIR/tracing
		fi

		TOP_DIR=`absdir $0`
		TEST_DIR=$TOP_DIR/test.d
		TEST_CASES=`find_testcases $TEST_DIR`
		@@ -102,7 +107,7 @@ parse_opts $*
		[ $DEBUG -ne 0 ] && set -x

		# Verify parameters
		if [ -z "$DEBUGFS_DIR" -o ! -d "$TRACING_DIR" ]; then
		if [ -z "$TRACING_DIR" -o ! -d "$TRACING_DIR" ]; then
		errexit "No ftrace directory found"
		fi

0 → 100644

+72 −0

Original line number	Diff line number	Diff line
		#!/bin/sh
		# description: event tracing - restricts events based on pid

		do_reset() {
		echo > set_event
		echo > set_event_pid
		echo 0 > options/event-fork
		clear_trace
		}

		fail() { #msg
		do_reset
		echo $1
		exit $FAIL
		}

		yield() {
		ping localhost -c 1 \|\| sleep .001 \|\| usleep 1 \|\| sleep 1
		}

		if [ ! -f set_event -o ! -d events/sched ]; then
		echo "event tracing is not supported"
		exit_unsupported
		fi

		if [ ! -f set_event_pid ]; then
		echo "event pid filtering is not supported"
		exit_unsupported
		fi

		reset_tracer
		do_reset

		echo 1 > events/sched/sched_switch/enable

		yield

		count=`cat trace \| grep sched_switch \| wc -l`
		if [ $count -eq 0 ]; then
		fail "sched_switch events are not recorded"
		fi

		do_reset

		read mypid rest < /proc/self/stat

		echo $mypid > set_event_pid
		echo 'sched:sched_switch' > set_event

		yield

		count=`cat trace \| grep sched_switch \| grep -v "pid=$mypid" \| wc -l`
		if [ $count -ne 0 ]; then
		fail "sched_switch events from other task are recorded"
		fi

		do_reset

		echo $mypid > set_event_pid
		echo 1 > options/event-fork
		echo 1 > events/sched/sched_switch/enable

		yield

		count=`cat trace \| grep sched_switch \| grep -v "pid=$mypid" \| wc -l`
		if [ $count -eq 0 ]; then
		fail "sched_switch events from other task are not recorded"
		fi

		do_reset

		exit 0

+1 −1

Original line number	Diff line number	Diff line
		@@ -32,7 +32,7 @@ EVALUATE_ONLY=0
		max_cpus=$(($(nproc)-1))

		# compile programs
		gcc -o aperf aperf.c -lm
		gcc aperf.c -Wall -D_GNU_SOURCE -o aperf -lm
		[ $? -ne 0 ] && echo "Problem compiling aperf.c." && exit 1
		gcc -o msr msr.c -lm
		[ $? -ne 0 ] && echo "Problem compiling msr.c." && exit 1