cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

verify-boottrace.sh (2495B)


      1#!/bin/sh
      2
      3cd /sys/kernel/tracing
      4
      5compare_file() {
      6	file="$1"
      7	val="$2"
      8	content=`cat $file`
      9	if [ "$content" != "$val" ]; then
     10		echo "FAILED: $file has '$content', expected '$val'"
     11		exit 1
     12	fi
     13}
     14
     15compare_file_partial() {
     16	file="$1"
     17	val="$2"
     18	content=`cat $file | sed -ne "/^$val/p"`
     19	if [ -z "$content" ]; then
     20		echo "FAILED: $file does not contain '$val'"
     21		cat $file
     22		exit 1
     23	fi
     24}
     25
     26file_contains() {
     27	file=$1
     28	val="$2"
     29
     30	if ! grep -q "$val" $file ; then
     31		echo "FAILED: $file does not contain $val"
     32		cat $file
     33		exit 1
     34	fi
     35}
     36
     37compare_mask() {
     38	file=$1
     39	val="$2"
     40
     41	content=`cat $file | sed -ne "/^[0 ]*$val/p"`
     42	if [ -z "$content" ]; then
     43		echo "FAILED: $file does not have mask '$val'"
     44		cat $file
     45		exit 1
     46	fi
     47}
     48
     49compare_file "events/task/task_newtask/filter" "pid < 128"
     50compare_file "events/task/task_newtask/enable" "1"
     51
     52compare_file "events/kprobes/vfs_read/filter" "common_pid < 200"
     53compare_file "events/kprobes/vfs_read/enable" "1"
     54
     55compare_file_partial "events/synthetic/initcall_latency/trigger" "hist:keys=func.sym,lat:vals=hitcount,lat:sort=lat"
     56compare_file_partial "events/synthetic/initcall_latency/enable" "0"
     57
     58compare_file_partial "events/initcall/initcall_start/trigger" "hist:keys=func:vals=hitcount:ts0=common_timestamp.usecs"
     59compare_file_partial "events/initcall/initcall_start/enable" "1"
     60
     61compare_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)'
     62compare_file_partial "events/initcall/initcall_finish/enable" "1"
     63
     64compare_file "instances/foo/current_tracer" "function"
     65file_contains "instances/foo/set_ftrace_filter" "^user"
     66compare_file "instances/foo/buffer_size_kb" "512"
     67compare_mask "instances/foo/tracing_cpumask" "1"
     68compare_file "instances/foo/options/sym-addr" "0"
     69file_contains "instances/foo/trace_clock" '\[mono\]'
     70compare_file_partial "instances/foo/events/signal/signal_deliver/trigger" "snapshot"
     71
     72compare_file "instances/bar/current_tracer" "function"
     73file_contains "instances/bar/set_ftrace_filter" "^kernel"
     74compare_mask "instances/bar/tracing_cpumask" "2"
     75file_contains "instances/bar/trace_clock" '\[x86-tsc\]'
     76
     77file_contains "snapshot" "Snapshot is allocated"
     78compare_file "options/sym-addr" "1"
     79compare_file "events/initcall/enable" "1"
     80compare_file "buffer_size_kb" "1027"
     81compare_file "current_tracer" "function"
     82file_contains "set_ftrace_filter" '^vfs'
     83
     84exit 0