linux-kernel - [PATCH RFC 7/7] perf test: Add test case for PERF_SAMPLE_PAGE

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]

Date:   Fri, 10 Aug 2018 06:36:27 -0700
From:   kan.liang@...ux.intel.com
To:     peterz@...radead.org, acme@...nel.org, tglx@...utronix.de,
        mingo@...hat.com, linux-kernel@...r.kernel.org
Cc:     eranian@...gle.com, jolsa@...hat.com, namhyung@...nel.org,
        ak@...ux.intel.com, Kan Liang <kan.liang@...ux.intel.com>
Subject: [PATCH RFC 7/7] perf test: Add test case for PERF_SAMPLE_PAGE_SIZE

From: Kan Liang <kan.liang@...ux.intel.com>

Extend sample-parsing test cases to support new sample type
PERF_SAMPLE_PAGE_SIZE.

Signed-off-by: Kan Liang <kan.liang@...ux.intel.com>
---
 tools/perf/tests/sample-parsing.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/tools/perf/tests/sample-parsing.c b/tools/perf/tests/sample-parsing.c
index 0e2d00d..cfba33d 100644
--- a/tools/perf/tests/sample-parsing.c
+++ b/tools/perf/tests/sample-parsing.c
@@ -145,6 +145,9 @@ static bool samples_same(const struct perf_sample *s1,
 	if (type & PERF_SAMPLE_PHYS_ADDR)
 		COMP(phys_addr);
 
+	if (type & PERF_SAMPLE_PAGE_SIZE)
+		COMP(page_size);
+
 	return true;
 }
 
@@ -210,7 +213,9 @@ static int do_test(u64 sample_type, u64 sample_regs, u64 read_format)
 			.mask	= sample_regs,
 			.regs	= regs,
 		},
+
 		.phys_addr	= 113,
+		.page_size	= PERF_MEM_PAGE_SIZE_4K,
 	};
 	struct sample_read_value values[] = {{1, 5}, {9, 3}, {2, 7}, {6, 4},};
 	struct perf_sample sample_out;
@@ -310,7 +315,7 @@ int test__sample_parsing(struct test *test __maybe_unused, int subtest __maybe_u
 	 * were added.  Please actually update the test rather than just change
 	 * the condition below.
 	 */
-	if (PERF_SAMPLE_MAX > PERF_SAMPLE_PHYS_ADDR << 1) {
+	if (PERF_SAMPLE_MAX > PERF_SAMPLE_PAGE_SIZE << 1) {
 		pr_debug("sample format has changed, some new PERF_SAMPLE_ bit was introduced - test needs updating\n");
 		return -1;
 	}
-- 
2.7.4