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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/tools/testing/ktest/examples/bootconfigs/verify-boottrace.sh
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#!/bin/sh

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cd /sys/kernel/tracing

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compare_file() {

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	file="$1"

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	val="$2"

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	content=`cat $file`

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	if [ "$content" != "$val" ]; then

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		echo "FAILED: $file has '$content', expected '$val'"

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		exit 1

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	fi

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}

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compare_file_partial() {

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	file="$1"

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	val="$2"

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	content=`cat $file | sed -ne "/^$val/p"`

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	if [ -z "$content" ]; then

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		echo "FAILED: $file does not contain '$val'"

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		cat $file

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		exit 1

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	fi

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}

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file_contains() {

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	file=$1

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	val="$2"

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	if ! grep -q "$val" $file ; then

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		echo "FAILED: $file does not contain $val"

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		cat $file

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		exit 1

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	fi

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}

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compare_mask() {

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	file=$1

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	val="$2"

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	content=`cat $file | sed -ne "/^[0 ]*$val/p"`

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	if [ -z "$content" ]; then

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		echo "FAILED: $file does not have mask '$val'"

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		cat $file

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		exit 1

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	fi

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}

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compare_file "events/task/task_newtask/filter" "pid < 128"

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compare_file "events/task/task_newtask/enable" "1"

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compare_file "events/kprobes/vfs_read/filter" "common_pid < 200"

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compare_file "events/kprobes/vfs_read/enable" "1"

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compare_file_partial "events/synthetic/initcall_latency/trigger" "hist:keys=func.sym,lat:vals=hitcount,lat:sort=lat"

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compare_file_partial "events/synthetic/initcall_latency/enable" "0"

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compare_file_partial "events/initcall/initcall_start/trigger" "hist:keys=func:vals=hitcount:ts0=common_timestamp.usecs"

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compare_file_partial "events/initcall/initcall_start/enable" "1"

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compare_file_partial "events/initcall/initcall_finish/trigger" 'hist:keys=func:vals=hitcount:lat=common_timestamp.usecs-\$ts0:sort=hitcount:size=2048:clock=global:onmatch(initcall.initcall_start).trace(initcall_latency,func,\$lat)'

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compare_file_partial "events/initcall/initcall_finish/enable" "1"

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compare_file "instances/foo/current_tracer" "function"

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file_contains "instances/foo/set_ftrace_filter" "^user"

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compare_file "instances/foo/buffer_size_kb" "512"

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compare_mask "instances/foo/tracing_cpumask" "1"

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compare_file "instances/foo/options/sym-addr" "0"

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file_contains "instances/foo/trace_clock" '\[mono\]'

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compare_file_partial "instances/foo/events/signal/signal_deliver/trigger" "snapshot"

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compare_file "instances/bar/current_tracer" "function"

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file_contains "instances/bar/set_ftrace_filter" "^kernel"

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compare_mask "instances/bar/tracing_cpumask" "2"

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file_contains "instances/bar/trace_clock" '\[x86-tsc\]'

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file_contains "snapshot" "Snapshot is allocated"

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compare_file "options/sym-addr" "1"

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compare_file "events/initcall/enable" "1"

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compare_file "buffer_size_kb" "1027"

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compare_file "current_tracer" "function"

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file_contains "set_ftrace_filter" '^vfs'

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exit 0

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