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authorJason Gunthorpe <jgg@nvidia.com>2022-10-06 19:47:03 -0300
committerJason Gunthorpe <jgg@nvidia.com>2022-10-06 19:48:45 -0300
commit33331a728c83f380e53a3dbf2be0c1893da1d739 (patch)
tree236d3bde9840b641723467018b839c7f37a824ee /tools/perf/tests
parent8ad891ed435ba24465e0650942267e90a060675f (diff)
parent4fe89d07dcc2804c8b562f6c7896a45643d34b2f (diff)
downloadlwn-33331a728c83f380e53a3dbf2be0c1893da1d739.tar.gz
lwn-33331a728c83f380e53a3dbf2be0c1893da1d739.zip
Merge tag 'v6.0' into rdma.git for-next
Trvial merge conflicts against rdma.git for-rc resolved matching linux-next: drivers/infiniband/hw/hns/hns_roce_hw_v2.c drivers/infiniband/hw/hns/hns_roce_main.c https://lore.kernel.org/r/20220929124005.105149-1-broonie@kernel.org Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'tools/perf/tests')
-rw-r--r--tools/perf/tests/cpumap.c19
-rw-r--r--tools/perf/tests/mmap-basic.c3
-rw-r--r--tools/perf/tests/perf-record.c2
-rw-r--r--tools/perf/tests/sample-parsing.c14
-rwxr-xr-xtools/perf/tests/shell/record.sh2
-rwxr-xr-xtools/perf/tests/shell/stat.sh19
-rwxr-xr-xtools/perf/tests/shell/stat_bpf_counters_cgrp.sh83
-rwxr-xr-xtools/perf/tests/shell/test_brstack.sh3
-rw-r--r--tools/perf/tests/vmlinux-kallsyms.c5
-rw-r--r--tools/perf/tests/wp.c10
10 files changed, 137 insertions, 23 deletions
diff --git a/tools/perf/tests/cpumap.c b/tools/perf/tests/cpumap.c
index f94929ebb54b..7ea150cdc137 100644
--- a/tools/perf/tests/cpumap.c
+++ b/tools/perf/tests/cpumap.c
@@ -17,21 +17,23 @@ static int process_event_mask(struct perf_tool *tool __maybe_unused,
struct machine *machine __maybe_unused)
{
struct perf_record_cpu_map *map_event = &event->cpu_map;
- struct perf_record_record_cpu_map *mask;
struct perf_record_cpu_map_data *data;
struct perf_cpu_map *map;
int i;
+ unsigned int long_size;
data = &map_event->data;
TEST_ASSERT_VAL("wrong type", data->type == PERF_CPU_MAP__MASK);
- mask = (struct perf_record_record_cpu_map *)data->data;
+ long_size = data->mask32_data.long_size;
- TEST_ASSERT_VAL("wrong nr", mask->nr == 1);
+ TEST_ASSERT_VAL("wrong long_size", long_size == 4 || long_size == 8);
+
+ TEST_ASSERT_VAL("wrong nr", data->mask32_data.nr == 1);
for (i = 0; i < 20; i++) {
- TEST_ASSERT_VAL("wrong cpu", test_bit(i, mask->mask));
+ TEST_ASSERT_VAL("wrong cpu", perf_record_cpu_map_data__test_bit(i, data));
}
map = cpu_map__new_data(data);
@@ -51,7 +53,6 @@ static int process_event_cpus(struct perf_tool *tool __maybe_unused,
struct machine *machine __maybe_unused)
{
struct perf_record_cpu_map *map_event = &event->cpu_map;
- struct cpu_map_entries *cpus;
struct perf_record_cpu_map_data *data;
struct perf_cpu_map *map;
@@ -59,11 +60,9 @@ static int process_event_cpus(struct perf_tool *tool __maybe_unused,
TEST_ASSERT_VAL("wrong type", data->type == PERF_CPU_MAP__CPUS);
- cpus = (struct cpu_map_entries *)data->data;
-
- TEST_ASSERT_VAL("wrong nr", cpus->nr == 2);
- TEST_ASSERT_VAL("wrong cpu", cpus->cpu[0] == 1);
- TEST_ASSERT_VAL("wrong cpu", cpus->cpu[1] == 256);
+ TEST_ASSERT_VAL("wrong nr", data->cpus_data.nr == 2);
+ TEST_ASSERT_VAL("wrong cpu", data->cpus_data.cpu[0] == 1);
+ TEST_ASSERT_VAL("wrong cpu", data->cpus_data.cpu[1] == 256);
map = cpu_map__new_data(data);
TEST_ASSERT_VAL("wrong nr", perf_cpu_map__nr(map) == 2);
diff --git a/tools/perf/tests/mmap-basic.c b/tools/perf/tests/mmap-basic.c
index dfb6173b2a82..9e9a2b67de19 100644
--- a/tools/perf/tests/mmap-basic.c
+++ b/tools/perf/tests/mmap-basic.c
@@ -114,8 +114,7 @@ static int test__basic_mmap(struct test_suite *test __maybe_unused, int subtest
for (i = 0; i < nsyscalls; ++i)
for (j = 0; j < expected_nr_events[i]; ++j) {
- int foo = syscalls[i]();
- ++foo;
+ syscalls[i]();
}
md = &evlist->mmap[0];
diff --git a/tools/perf/tests/perf-record.c b/tools/perf/tests/perf-record.c
index 6a001fcfed68..4952abe716f3 100644
--- a/tools/perf/tests/perf-record.c
+++ b/tools/perf/tests/perf-record.c
@@ -332,7 +332,7 @@ out_delete_evlist:
out:
if (err == -EACCES)
return TEST_SKIP;
- if (err < 0)
+ if (err < 0 || errs != 0)
return TEST_FAIL;
return TEST_OK;
}
diff --git a/tools/perf/tests/sample-parsing.c b/tools/perf/tests/sample-parsing.c
index 07f2411b0ad4..20930dd48ee0 100644
--- a/tools/perf/tests/sample-parsing.c
+++ b/tools/perf/tests/sample-parsing.c
@@ -86,10 +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);
}
}
@@ -263,7 +268,7 @@ static int do_test(u64 sample_type, u64 sample_regs, u64 read_format)
.data = (void *)aux_data,
},
};
- struct sample_read_value values[] = {{1, 5}, {9, 3}, {2, 7}, {6, 4},};
+ 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;
@@ -286,6 +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);
@@ -370,7 +376,7 @@ out_free:
*/
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;
diff --git a/tools/perf/tests/shell/record.sh b/tools/perf/tests/shell/record.sh
index 00c7285ce1ac..301f95427159 100755
--- a/tools/perf/tests/shell/record.sh
+++ b/tools/perf/tests/shell/record.sh
@@ -61,7 +61,7 @@ test_register_capture() {
echo "Register capture test [Skipped missing registers]"
return
fi
- if ! perf record -o - --intr-regs=di,r8,dx,cx -e cpu/br_inst_retired.near_call/p \
+ if ! perf record -o - --intr-regs=di,r8,dx,cx -e br_inst_retired.near_call:p \
-c 1000 --per-thread true 2> /dev/null \
| perf script -F ip,sym,iregs -i - 2> /dev/null \
| egrep -q "DI:"
diff --git a/tools/perf/tests/shell/stat.sh b/tools/perf/tests/shell/stat.sh
index 9313ef2739e0..26a51b48aee4 100755
--- a/tools/perf/tests/shell/stat.sh
+++ b/tools/perf/tests/shell/stat.sh
@@ -28,6 +28,24 @@ test_stat_record_report() {
echo "stat record and report test [Success]"
}
+test_stat_repeat_weak_groups() {
+ echo "stat repeat weak groups test"
+ if ! perf stat -e '{cycles,cycles,cycles,cycles,cycles,cycles,cycles,cycles,cycles,cycles}' \
+ true 2>&1 | grep -q 'seconds time elapsed'
+ then
+ echo "stat repeat weak groups test [Skipped event parsing failed]"
+ return
+ fi
+ if ! perf stat -r2 -e '{cycles,cycles,cycles,cycles,cycles,cycles,cycles,cycles,cycles,cycles}:W' \
+ true > /dev/null 2>&1
+ then
+ echo "stat repeat weak groups test [Failed]"
+ err=1
+ return
+ fi
+ echo "stat repeat weak groups test [Success]"
+}
+
test_topdown_groups() {
# Topdown events must be grouped with the slots event first. Test that
# parse-events reorders this.
@@ -75,6 +93,7 @@ test_topdown_weak_groups() {
test_default_stat
test_stat_record_report
+test_stat_repeat_weak_groups
test_topdown_groups
test_topdown_weak_groups
exit $err
diff --git a/tools/perf/tests/shell/stat_bpf_counters_cgrp.sh b/tools/perf/tests/shell/stat_bpf_counters_cgrp.sh
new file mode 100755
index 000000000000..d724855d097c
--- /dev/null
+++ b/tools/perf/tests/shell/stat_bpf_counters_cgrp.sh
@@ -0,0 +1,83 @@
+#!/bin/sh
+# perf stat --bpf-counters --for-each-cgroup test
+# SPDX-License-Identifier: GPL-2.0
+
+set -e
+
+test_cgroups=
+if [ "$1" = "-v" ]; then
+ verbose="1"
+fi
+
+# skip if --bpf-counters --for-each-cgroup is not supported
+check_bpf_counter()
+{
+ if ! perf stat -a --bpf-counters --for-each-cgroup / true > /dev/null 2>&1; then
+ if [ "${verbose}" = "1" ]; then
+ echo "Skipping: --bpf-counters --for-each-cgroup not supported"
+ perf --no-pager stat -a --bpf-counters --for-each-cgroup / true || true
+ fi
+ exit 2
+ fi
+}
+
+# find two cgroups to measure
+find_cgroups()
+{
+ # try usual systemd slices first
+ if [ -d /sys/fs/cgroup/system.slice -a -d /sys/fs/cgroup/user.slice ]; then
+ test_cgroups="system.slice,user.slice"
+ return
+ fi
+
+ # try root and self cgroups
+ local self_cgrp=$(grep perf_event /proc/self/cgroup | cut -d: -f3)
+ if [ -z ${self_cgrp} ]; then
+ # cgroup v2 doesn't specify perf_event
+ self_cgrp=$(grep ^0: /proc/self/cgroup | cut -d: -f3)
+ fi
+
+ if [ -z ${self_cgrp} ]; then
+ test_cgroups="/"
+ else
+ test_cgroups="/,${self_cgrp}"
+ fi
+}
+
+# As cgroup events are cpu-wide, we cannot simply compare the result.
+# Just check if it runs without failure and has non-zero results.
+check_system_wide_counted()
+{
+ local output
+
+ output=$(perf stat -a --bpf-counters --for-each-cgroup ${test_cgroups} -e cpu-clock -x, sleep 1 2>&1)
+ if echo ${output} | grep -q -F "<not "; then
+ echo "Some system-wide events are not counted"
+ if [ "${verbose}" = "1" ]; then
+ echo ${output}
+ fi
+ exit 1
+ fi
+}
+
+check_cpu_list_counted()
+{
+ local output
+
+ output=$(perf stat -C 1 --bpf-counters --for-each-cgroup ${test_cgroups} -e cpu-clock -x, taskset -c 1 sleep 1 2>&1)
+ if echo ${output} | grep -q -F "<not "; then
+ echo "Some CPU events are not counted"
+ if [ "${verbose}" = "1" ]; then
+ echo ${output}
+ fi
+ exit 1
+ fi
+}
+
+check_bpf_counter
+find_cgroups
+
+check_system_wide_counted
+check_cpu_list_counted
+
+exit 0
diff --git a/tools/perf/tests/shell/test_brstack.sh b/tools/perf/tests/shell/test_brstack.sh
index c644f94a6500..ec801cffae6b 100755
--- a/tools/perf/tests/shell/test_brstack.sh
+++ b/tools/perf/tests/shell/test_brstack.sh
@@ -12,7 +12,8 @@ if ! [ -x "$(command -v cc)" ]; then
fi
# skip the test if the hardware doesn't support branch stack sampling
-perf record -b -o- -B true > /dev/null 2>&1 || exit 2
+# and if the architecture doesn't support filter types: any,save_type,u
+perf record -b -o- -B --branch-filter any,save_type,u true > /dev/null 2>&1 || exit 2
TMPDIR=$(mktemp -d /tmp/__perf_test.program.XXXXX)
diff --git a/tools/perf/tests/vmlinux-kallsyms.c b/tools/perf/tests/vmlinux-kallsyms.c
index 4fd8d703ff19..8ab035b55875 100644
--- a/tools/perf/tests/vmlinux-kallsyms.c
+++ b/tools/perf/tests/vmlinux-kallsyms.c
@@ -43,10 +43,11 @@ static bool is_ignored_symbol(const char *name, char type)
/* Symbol names that begin with the following are ignored.*/
static const char * const ignored_prefixes[] = {
"$", /* local symbols for ARM, MIPS, etc. */
- ".LASANPC", /* s390 kasan local symbols */
+ ".L", /* local labels, .LBB,.Ltmpxxx,.L__unnamed_xx,.LASANPC, etc. */
"__crc_", /* modversions */
"__efistub_", /* arm64 EFI stub namespace */
- "__kvm_nvhe_", /* arm64 non-VHE KVM namespace */
+ "__kvm_nvhe_$", /* arm64 local symbols in non-VHE KVM namespace */
+ "__kvm_nvhe_.L", /* arm64 local symbols in non-VHE KVM namespace */
"__AArch64ADRPThunk_", /* arm64 lld */
"__ARMV5PILongThunk_", /* arm lld */
"__ARMV7PILongThunk_",
diff --git a/tools/perf/tests/wp.c b/tools/perf/tests/wp.c
index 9d4c45184e71..56455da30341 100644
--- a/tools/perf/tests/wp.c
+++ b/tools/perf/tests/wp.c
@@ -2,7 +2,9 @@
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
+#include <errno.h>
#include <sys/ioctl.h>
+#include <linux/compiler.h>
#include <linux/hw_breakpoint.h>
#include <linux/kernel.h>
#include "tests.h"
@@ -137,8 +139,7 @@ static int test__wp_rw(struct test_suite *test __maybe_unused,
#endif
}
-static int test__wp_modify(struct test_suite *test __maybe_unused,
- int subtest __maybe_unused)
+static int test__wp_modify(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
{
#if defined(__s390x__)
return TEST_SKIP;
@@ -160,6 +161,11 @@ static int test__wp_modify(struct test_suite *test __maybe_unused,
new_attr.disabled = 1;
ret = ioctl(fd, PERF_EVENT_IOC_MODIFY_ATTRIBUTES, &new_attr);
if (ret < 0) {
+ if (errno == ENOTTY) {
+ test->test_cases[subtest].skip_reason = "missing kernel support";
+ ret = TEST_SKIP;
+ }
+
pr_debug("ioctl(PERF_EVENT_IOC_MODIFY_ATTRIBUTES) failed\n");
close(fd);
return ret;