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-action-hist.tc (817B)

      1#!/bin/sh
      2# SPDX-License-Identifier: GPL-2.0
      3# description: event trigger - test inter-event histogram trigger snapshot action
      4# requires: set_event snapshot events/sched/sched_process_fork/hist "onchange(var)":README "snapshot()":README
      5
      6fail() { #msg
      7    echo $1
      8    exit_fail
      9}
     10
     11echo "Test snapshot action"
     12
     13echo 1 > events/sched/enable
     14
     15echo 'hist:keys=comm:newprio=prio:onchange($newprio).save(comm,prio):onchange($newprio).snapshot() if comm=="ping"' >> events/sched/sched_waking/trigger
     16
     17ping $LOCALHOST -c 3
     18nice -n 1 ping $LOCALHOST -c 3
     19
     20echo 0 > tracing_on
     21
     22if ! grep -q "changed:" events/sched/sched_waking/hist; then
     23    fail "Failed to create onchange action inter-event histogram"
     24fi
     25
     26if ! grep -q "comm=ping" snapshot; then
     27    fail "Failed to create snapshot action inter-event histogram"
     28fi
     29
     30exit 0