linux-kernel - [PATCH v3 8/8] perf trace: Add general tests for augmented syscalls

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20240824163322.60796-9-howardchu95@gmail.com>
Date: Sun, 25 Aug 2024 00:33:22 +0800
From: Howard Chu <howardchu95@...il.com>
To: acme@...nel.org
Cc: adrian.hunter@...el.com,
	irogers@...gle.com,
	jolsa@...nel.org,
	kan.liang@...ux.intel.com,
	namhyung@...nel.org,
	linux-perf-users@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v3 8/8] perf trace: Add general tests for augmented syscalls

In this test, augmentation for:

* string
* buffer
* struct

Is tested.

Please use this command:

perf test "perf trace general tests"

Signed-off-by: Howard Chu <howardchu95@...il.com>
Suggested-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/tests/shell/trace_btf_general.sh | 67 +++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100755 tools/perf/tests/shell/trace_btf_general.sh

diff --git a/tools/perf/tests/shell/trace_btf_general.sh b/tools/perf/tests/shell/trace_btf_general.sh
new file mode 100755
index 000000000000..0b4ea8462390
--- /dev/null
+++ b/tools/perf/tests/shell/trace_btf_general.sh
@@ -0,0 +1,67 @@
+#!/bin/sh
+# perf trace general tests
+# SPDX-License-Identifier: GPL-2.0
+
+err=0
+set -e
+
+. "$(dirname $0)"/lib/probe.sh
+skip_if_no_perf_trace || exit 2
+
+file1=$(mktemp /tmp/file1_XXXXX)
+file2=$(echo $file1 | sed 's/file1/file2/g')
+
+buffer="this is a buffer for testing"
+
+trap cleanup EXIT TERM INT HUP
+
+trace_test_string() {
+  echo "Testing perf trace's string augmentation"
+  if ! perf trace -e renameat* --max-events=1 -- mv ${file1} ${file2} 2>&1 | grep -q -E "renameat[2]*.*oldname: \"${file1}\".*newname: \"${file2}\".*"
+  then
+    echo "String augmentation test failed"
+    err=1
+  fi
+}
+
+trace_test_buffer() {
+  echo "Testing perf trace's buffer augmentation"
+  if ! perf trace -e write --max-events=1 -- echo "${buffer}" 2>&1 | grep -q -E ".*write.*buf: ${buffer}.*"
+  then
+    echo "Buffer augmentation test failed"
+    err=1
+  fi
+}
+
+trace_test_struct_btf() {
+  echo "Testing perf trace's struct augmentation"
+  if ! perf trace -e clock_nanosleep --force-btf --max-events=1 -- sleep 1 2>&1 | grep -q -E ".*clock_nanosleep\(rqtp: \{1,\}, rmtp: \{1,\}\).* = 0"
+  then
+    echo "BTF struct augmentation test failed"
+    err=1
+  fi
+}
+
+cleanup() {
+	rm -rf ${file1} ${file2}
+}
+
+trap_cleanup() {
+	echo "Unexpected signal in ${FUNCNAME[1]}"
+	cleanup
+	exit 1
+}
+
+trace_test_string
+
+if [ $err = 0 ]; then
+  trace_test_buffer
+fi
+
+if [ $err = 0 ]; then
+  trace_test_struct_btf
+fi
+
+cleanup
+
+exit $err
-- 
2.45.2