e7d759f31c
Test perf interface to kprobes: listing, adding and removing probes. It is run as a part of perftool-testsuite_probe test case. Signed-off-by: Veronika Molnarova <vmolnaro@redhat.com> Signed-off-by: Michael Petlan <mpetlan@redhat.com> Cc: kjain@linux.ibm.com Cc: atrajeev@linux.vnet.ibm.com Signed-off-by: Namhyung Kim <namhyung@kernel.org> Link: https://lore.kernel.org/r/20240215110231.15385-7-mpetlan@redhat.com
48 lines
1.4 KiB
Bash
48 lines
1.4 KiB
Bash
# SPDX-License-Identifier: GPL-2.0
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#
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# settings.sh of perf_probe test
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# Author: Michael Petlan <mpetlan@redhat.com>
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# Author: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
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#
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export TEST_NAME="perf_probe"
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export MY_ARCH=`arch`
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if [ -n "$PERFSUITE_RUN_DIR" ]; then
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# when $PERFSUITE_RUN_DIR is set to something, all the logs and temp files will be placed there
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# --> the $PERFSUITE_RUN_DIR/perf_something/examples and $PERFSUITE_RUN_DIR/perf_something/logs
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# dirs will be used for that
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export PERFSUITE_RUN_DIR=`readlink -f $PERFSUITE_RUN_DIR`
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export CURRENT_TEST_DIR="$PERFSUITE_RUN_DIR/$TEST_NAME"
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export MAKE_TARGET_DIR="$CURRENT_TEST_DIR/examples"
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test -d "$MAKE_TARGET_DIR" || mkdir -p "$MAKE_TARGET_DIR"
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export LOGS_DIR="$PERFSUITE_RUN_DIR/$TEST_NAME/logs"
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test -d "$LOGS_DIR" || mkdir -p "$LOGS_DIR"
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else
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# when $PERFSUITE_RUN_DIR is not set, logs will be placed here
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export CURRENT_TEST_DIR="."
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export LOGS_DIR="."
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fi
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check_kprobes_available()
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{
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test -e /sys/kernel/debug/tracing/kprobe_events
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}
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check_uprobes_available()
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{
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test -e /sys/kernel/debug/tracing/uprobe_events
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}
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clear_all_probes()
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{
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echo 0 > /sys/kernel/debug/tracing/events/enable
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check_kprobes_available && echo > /sys/kernel/debug/tracing/kprobe_events
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check_uprobes_available && echo > /sys/kernel/debug/tracing/uprobe_events
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}
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check_sdt_support()
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{
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$CMD_PERF list sdt | grep sdt > /dev/null 2> /dev/null
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}
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