[PATCH 1/3] perf dlfilter: Add a test for resolve_address()

From: Adrian Hunter
Date: Mon Jul 31 2023 - 05:22:22 EST


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@xxxxxxxxx>
---
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