linux-kernel - [PATCH 1/3] perf dlfilter: Add a test for resolve

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Message-Id: <20230731091857.10681-1-adrian.hunter@intel.com>
Date:   Mon, 31 Jul 2023 12:18:55 +0300
From:   Adrian Hunter <adrian.hunter@...el.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Jiri Olsa <jolsa@...nel.org>, Namhyung Kim <namhyung@...nel.org>,
        Ian Rogers <irogers@...gle.com>, linux-kernel@...r.kernel.org,
        linux-perf-users@...r.kernel.org
Subject: [PATCH 1/3] perf dlfilter: Add a test for resolve_address()

Extend the "dlfilter C API" test to test
perf_dlfilter_fns.resolve_address(). The test currently fails, but passes
after a subsequent patch.

Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
---
 tools/perf/dlfilters/dlfilter-test-api-v0.c | 26 ++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/tools/perf/dlfilters/dlfilter-test-api-v0.c b/tools/perf/dlfilters/dlfilter-test-api-v0.c
index b1f51efd67d6..72f263d49121 100644
--- a/tools/perf/dlfilters/dlfilter-test-api-v0.c
+++ b/tools/perf/dlfilters/dlfilter-test-api-v0.c
@@ -254,6 +254,30 @@ static int check_addr_al(void *ctx)
 	return 0;
 }
 
+static int check_address_al(void *ctx, const struct perf_dlfilter_sample *sample)
+{
+	struct perf_dlfilter_al address_al;
+	const struct perf_dlfilter_al *al;
+
+	al = perf_dlfilter_fns.resolve_ip(ctx);
+	if (!al)
+		return test_fail("resolve_ip() failed");
+
+	address_al.size = sizeof(address_al);
+	if (perf_dlfilter_fns.resolve_address(ctx, sample->ip, &address_al))
+		return test_fail("resolve_address() failed");
+
+	CHECK(address_al.sym && al->sym);
+	CHECK(!strcmp(address_al.sym, al->sym));
+	CHECK(address_al.addr == al->addr);
+	CHECK(address_al.sym_start == al->sym_start);
+	CHECK(address_al.sym_end == al->sym_end);
+	CHECK(address_al.dso && al->dso);
+	CHECK(!strcmp(address_al.dso, al->dso));
+
+	return 0;
+}
+
 static int check_attr(void *ctx)
 {
 	struct perf_event_attr *attr = perf_dlfilter_fns.attr(ctx);
@@ -290,7 +314,7 @@ static int do_checks(void *data, const struct perf_dlfilter_sample *sample, void
 	if (early && !d->do_early)
 		return 0;
 
-	if (check_al(ctx) || check_addr_al(ctx))
+	if (check_al(ctx) || check_addr_al(ctx) || check_address_al(ctx, sample))
 		return -1;
 
 	if (early)
-- 
2.34.1