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-rw-r--r--tools/perf/tests/sample-parsing.c98
1 files changed, 80 insertions, 18 deletions
diff --git a/tools/perf/tests/sample-parsing.c b/tools/perf/tests/sample-parsing.c
index 2762e1155238..20930dd48ee0 100644
--- a/tools/perf/tests/sample-parsing.c
+++ b/tools/perf/tests/sample-parsing.c
@@ -13,6 +13,7 @@
#include "evsel.h"
#include "debug.h"
#include "util/synthetic-events.h"
+#include "util/trace-event.h"
#include "tests.h"
@@ -30,9 +31,18 @@
} \
} while (0)
+/*
+ * Hardcode the expected values for branch_entry flags.
+ * These are based on the input value (213) specified
+ * in branch_stack variable.
+ */
+#define BS_EXPECTED_BE 0xa000d00000000000
+#define BS_EXPECTED_LE 0xd5000000
+#define FLAG(s) s->branch_stack->entries[i].flags
+
static bool samples_same(const struct perf_sample *s1,
const struct perf_sample *s2,
- u64 type, u64 read_format)
+ u64 type, u64 read_format, bool needs_swap)
{
size_t i;
@@ -76,10 +86,15 @@ static bool samples_same(const struct perf_sample *s1,
COMP(read.time_running);
/* PERF_FORMAT_ID is forced for PERF_SAMPLE_READ */
if (read_format & PERF_FORMAT_GROUP) {
- for (i = 0; i < s1->read.group.nr; i++)
- MCOMP(read.group.values[i]);
+ for (i = 0; i < s1->read.group.nr; i++) {
+ /* FIXME: check values without LOST */
+ if (read_format & PERF_FORMAT_LOST)
+ MCOMP(read.group.values[i]);
+ }
} else {
COMP(read.one.id);
+ if (read_format & PERF_FORMAT_LOST)
+ COMP(read.one.lost);
}
}
@@ -99,8 +114,15 @@ static bool samples_same(const struct perf_sample *s1,
if (type & PERF_SAMPLE_BRANCH_STACK) {
COMP(branch_stack->nr);
- for (i = 0; i < s1->branch_stack->nr; i++)
- MCOMP(branch_stack->entries[i]);
+ COMP(branch_stack->hw_idx);
+ for (i = 0; i < s1->branch_stack->nr; i++) {
+ if (needs_swap)
+ return ((tep_is_bigendian()) ?
+ (FLAG(s2).value == BS_EXPECTED_BE) :
+ (FLAG(s2).value == BS_EXPECTED_LE));
+ else
+ MCOMP(branch_stack->entries[i]);
+ }
}
if (type & PERF_SAMPLE_REGS_USER) {
@@ -150,6 +172,15 @@ static bool samples_same(const struct perf_sample *s1,
if (type & PERF_SAMPLE_PHYS_ADDR)
COMP(phys_addr);
+ if (type & PERF_SAMPLE_CGROUP)
+ COMP(cgroup);
+
+ if (type & PERF_SAMPLE_DATA_PAGE_SIZE)
+ COMP(data_page_size);
+
+ if (type & PERF_SAMPLE_CODE_PAGE_SIZE)
+ COMP(code_page_size);
+
if (type & PERF_SAMPLE_AUX) {
COMP(aux_sample.size);
if (memcmp(s1->aux_sample.data, s2->aux_sample.data,
@@ -186,10 +217,10 @@ static int do_test(u64 sample_type, u64 sample_regs, u64 read_format)
u64 data[64];
} branch_stack = {
/* 1 branch_entry */
- .data = {1, 211, 212, 213},
+ .data = {1, -1ULL, 211, 212, 213},
};
u64 regs[64];
- const u64 raw_data[] = {0x123456780a0b0c0dULL, 0x1102030405060708ULL};
+ const u32 raw_data[] = {0x12345678, 0x0a0b0c0d, 0x11020304, 0x05060708, 0 };
const u64 data[] = {0x2211443366558877ULL, 0, 0xaabbccddeeff4321ULL};
const u64 aux_data[] = {0xa55a, 0, 0xeeddee, 0x0282028202820282};
struct perf_sample sample = {
@@ -208,6 +239,7 @@ static int do_test(u64 sample_type, u64 sample_regs, u64 read_format)
.transaction = 112,
.raw_data = (void *)raw_data,
.callchain = &callchain.callchain,
+ .no_hw_idx = false,
.branch_stack = &branch_stack.branch_stack,
.user_regs = {
.abi = PERF_SAMPLE_REGS_ABI_64,
@@ -228,13 +260,16 @@ static int do_test(u64 sample_type, u64 sample_regs, u64 read_format)
.regs = regs,
},
.phys_addr = 113,
+ .cgroup = 114,
+ .data_page_size = 115,
+ .code_page_size = 116,
.aux_sample = {
.size = sizeof(aux_data),
.data = (void *)aux_data,
},
};
- struct sample_read_value values[] = {{1, 5}, {9, 3}, {2, 7}, {6, 4},};
- struct perf_sample sample_out;
+ struct sample_read_value values[] = {{1, 5, 0}, {9, 3, 0}, {2, 7, 0}, {6, 4, 1},};
+ struct perf_sample sample_out, sample_out_endian;
size_t i, sz, bufsz;
int err, ret = -1;
@@ -244,6 +279,9 @@ static int do_test(u64 sample_type, u64 sample_regs, u64 read_format)
if (sample_type & PERF_SAMPLE_REGS_INTR)
evsel.core.attr.sample_regs_intr = sample_regs;
+ if (sample_type & PERF_SAMPLE_BRANCH_STACK)
+ evsel.core.attr.branch_sample_type |= PERF_SAMPLE_BRANCH_HW_INDEX;
+
for (i = 0; i < sizeof(regs); i++)
*(i + (u8 *)regs) = i & 0xfe;
@@ -253,6 +291,7 @@ static int do_test(u64 sample_type, u64 sample_regs, u64 read_format)
} else {
sample.read.one.value = 0x08789faeb786aa87ULL;
sample.read.one.id = 99;
+ sample.read.one.lost = 1;
}
sz = perf_event__sample_event_size(&sample, sample_type, read_format);
@@ -287,21 +326,38 @@ static int do_test(u64 sample_type, u64 sample_regs, u64 read_format)
goto out_free;
}
- evsel.sample_size = __perf_evsel__sample_size(sample_type);
+ evsel.sample_size = __evsel__sample_size(sample_type);
- err = perf_evsel__parse_sample(&evsel, event, &sample_out);
+ err = evsel__parse_sample(&evsel, event, &sample_out);
if (err) {
pr_debug("%s failed for sample_type %#"PRIx64", error %d\n",
- "perf_evsel__parse_sample", sample_type, err);
+ "evsel__parse_sample", sample_type, err);
goto out_free;
}
- if (!samples_same(&sample, &sample_out, sample_type, read_format)) {
+ if (!samples_same(&sample, &sample_out, sample_type, read_format, evsel.needs_swap)) {
pr_debug("parsing failed for sample_type %#"PRIx64"\n",
sample_type);
goto out_free;
}
+ if (sample_type == PERF_SAMPLE_BRANCH_STACK) {
+ evsel.needs_swap = true;
+ evsel.sample_size = __evsel__sample_size(sample_type);
+ err = evsel__parse_sample(&evsel, event, &sample_out_endian);
+ if (err) {
+ pr_debug("%s failed for sample_type %#"PRIx64", error %d\n",
+ "evsel__parse_sample", sample_type, err);
+ goto out_free;
+ }
+
+ if (!samples_same(&sample, &sample_out_endian, sample_type, read_format, evsel.needs_swap)) {
+ pr_debug("parsing failed for sample_type %#"PRIx64"\n",
+ sample_type);
+ goto out_free;
+ }
+ }
+
ret = 0;
out_free:
free(event);
@@ -318,9 +374,9 @@ out_free:
* checks sample format bits separately and together. If the test passes %0 is
* returned, otherwise %-1 is returned.
*/
-int test__sample_parsing(struct test *test __maybe_unused, int subtest __maybe_unused)
+static int test__sample_parsing(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
{
- const u64 rf[] = {4, 5, 6, 7, 12, 13, 14, 15};
+ const u64 rf[] = {4, 5, 6, 7, 12, 13, 14, 15, 20, 21, 22, 28, 29, 30, 31};
u64 sample_type;
u64 sample_regs;
size_t i;
@@ -331,7 +387,7 @@ 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_AUX << 1) {
+ if (PERF_SAMPLE_MAX > PERF_SAMPLE_WEIGHT_STRUCT << 1) {
pr_debug("sample format has changed, some new PERF_SAMPLE_ bit was introduced - test needs updating\n");
return -1;
}
@@ -361,8 +417,12 @@ int test__sample_parsing(struct test *test __maybe_unused, int subtest __maybe_u
return err;
}
- /* Test all sample format bits together */
- sample_type = PERF_SAMPLE_MAX - 1;
+ /*
+ * Test all sample format bits together
+ * Note: PERF_SAMPLE_WEIGHT and PERF_SAMPLE_WEIGHT_STRUCT cannot
+ * be set simultaneously.
+ */
+ sample_type = (PERF_SAMPLE_MAX - 1) & ~PERF_SAMPLE_WEIGHT;
sample_regs = 0x3fff; /* shared yb intr and user regs */
for (i = 0; i < ARRAY_SIZE(rf); i++) {
err = do_test(sample_type, sample_regs, rf[i]);
@@ -372,3 +432,5 @@ int test__sample_parsing(struct test *test __maybe_unused, int subtest __maybe_u
return 0;
}
+
+DEFINE_SUITE("Sample parsing", sample_parsing);
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