cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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trigger-stacktrace.tc (883B)

      1#!/bin/sh
      2# SPDX-License-Identifier: GPL-2.0
      3# description: event trigger - test stacktrace-trigger
      4# requires: set_event events/sched/sched_process_fork/trigger
      5
      6fail() { #msg
      7    echo $1
      8    exit_fail
      9}
     10
     11FEATURE=`grep stacktrace events/sched/sched_process_fork/trigger`
     12if [ -z "$FEATURE" ]; then
     13    echo "stacktrace trigger is not supported"
     14    exit_unsupported
     15fi
     16
     17echo "Test stacktrace trigger"
     18echo 0 > trace
     19echo 0 > options/stacktrace
     20echo 'stacktrace' > events/sched/sched_process_fork/trigger
     21( echo "forked")
     22grep "<stack trace>" trace > /dev/null || \
     23    fail "stacktrace trigger on sched_process_fork did not work"
     24
     25reset_trigger
     26
     27echo "Test stacktrace semantic errors"
     28
     29! echo "stacktrace:foo" > events/sched/sched_process_fork/trigger
     30echo "stacktrace" > events/sched/sched_process_fork/trigger
     31! echo "stacktrace" > events/sched/sched_process_fork/trigger
     32
     33exit 0