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-snapshot.tc (984B)

      1#!/bin/sh
      2# SPDX-License-Identifier: GPL-2.0
      3# description: event trigger - test snapshot-trigger
      4# requires: set_event events/sched/sched_process_fork/trigger snapshot
      5
      6fail() { #msg
      7    echo $1
      8    exit_fail
      9}
     10
     11FEATURE=`grep snapshot events/sched/sched_process_fork/trigger`
     12if [ -z "$FEATURE" ]; then
     13    echo "snapshot trigger is not supported"
     14    exit_unsupported
     15fi
     16
     17echo "Test snapshot trigger"
     18echo 0 > snapshot
     19echo 1 > events/sched/sched_process_fork/enable
     20( echo "forked")
     21echo 'snapshot:1' > events/sched/sched_process_fork/trigger
     22( echo "forked")
     23grep sched_process_fork snapshot > /dev/null || \
     24    fail "snapshot trigger on sched_process_fork did not work"
     25
     26reset_trigger
     27echo 0 > snapshot
     28echo 0 > events/sched/sched_process_fork/enable
     29
     30echo "Test snapshot semantic errors"
     31
     32! echo "snapshot+1" > events/sched/sched_process_fork/trigger
     33echo "snapshot" > events/sched/sched_process_fork/trigger
     34! echo "snapshot" > events/sched/sched_process_fork/trigger
     35
     36exit 0