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-rw-r--r--tools/perf/tests/Build140
-rw-r--r--tools/perf/tests/pmu.c199
-rwxr-xr-xtools/perf/tests/shell/annotate.sh10
-rwxr-xr-xtools/perf/tests/shell/base_probe/test_adding_kernel.sh31
-rwxr-xr-xtools/perf/tests/shell/stat_bpf_counters.sh36
-rwxr-xr-xtools/perf/tests/shell/test_arm_callgraph_fp.sh27
-rwxr-xr-xtools/perf/tests/shell/test_uprobe_from_different_cu.sh2
-rw-r--r--tools/perf/tests/vmlinux-kallsyms.c1
-rw-r--r--tools/perf/tests/workloads/Build12
-rw-r--r--tools/perf/tests/workloads/leafloop.c20
10 files changed, 352 insertions, 126 deletions
diff --git a/tools/perf/tests/Build b/tools/perf/tests/Build
index c7f9d9676095..5671ee530019 100644
--- a/tools/perf/tests/Build
+++ b/tools/perf/tests/Build
@@ -1,82 +1,82 @@
# SPDX-License-Identifier: GPL-2.0
-perf-y += builtin-test.o
-perf-y += tests-scripts.o
-perf-y += parse-events.o
-perf-y += dso-data.o
-perf-y += attr.o
-perf-y += vmlinux-kallsyms.o
-perf-$(CONFIG_LIBTRACEEVENT) += openat-syscall.o
-perf-$(CONFIG_LIBTRACEEVENT) += openat-syscall-all-cpus.o
-perf-$(CONFIG_LIBTRACEEVENT) += openat-syscall-tp-fields.o
-perf-$(CONFIG_LIBTRACEEVENT) += mmap-basic.o
-perf-y += perf-record.o
-perf-y += evsel-roundtrip-name.o
-perf-$(CONFIG_LIBTRACEEVENT) += evsel-tp-sched.o
-perf-y += fdarray.o
-perf-y += pmu.o
-perf-y += pmu-events.o
-perf-y += hists_common.o
-perf-y += hists_link.o
-perf-y += hists_filter.o
-perf-y += hists_output.o
-perf-y += hists_cumulate.o
-perf-y += python-use.o
-perf-y += bp_signal.o
-perf-y += bp_signal_overflow.o
-perf-y += bp_account.o
-perf-y += wp.o
-perf-y += task-exit.o
-perf-y += sw-clock.o
-perf-y += mmap-thread-lookup.o
-perf-y += thread-maps-share.o
-perf-$(CONFIG_LIBTRACEEVENT) += switch-tracking.o
-perf-y += keep-tracking.o
-perf-y += code-reading.o
-perf-y += sample-parsing.o
-perf-y += parse-no-sample-id-all.o
-perf-y += kmod-path.o
-perf-y += thread-map.o
-perf-y += topology.o
-perf-y += mem.o
-perf-y += cpumap.o
-perf-y += stat.o
-perf-y += event_update.o
-perf-y += event-times.o
-perf-y += expr.o
-perf-y += backward-ring-buffer.o
-perf-y += sdt.o
-perf-y += is_printable_array.o
-perf-y += bitmap.o
-perf-y += perf-hooks.o
-perf-y += unit_number__scnprintf.o
-perf-y += mem2node.o
-perf-y += maps.o
-perf-y += time-utils-test.o
-perf-y += genelf.o
-perf-y += api-io.o
-perf-y += demangle-java-test.o
-perf-y += demangle-ocaml-test.o
-perf-y += pfm.o
-perf-y += parse-metric.o
-perf-y += pe-file-parsing.o
-perf-y += expand-cgroup.o
-perf-y += perf-time-to-tsc.o
-perf-y += dlfilter-test.o
-perf-y += sigtrap.o
-perf-y += event_groups.o
-perf-y += symbols.o
-perf-y += util.o
+perf-test-y += builtin-test.o
+perf-test-y += tests-scripts.o
+perf-test-y += parse-events.o
+perf-test-y += dso-data.o
+perf-test-y += attr.o
+perf-test-y += vmlinux-kallsyms.o
+perf-test-$(CONFIG_LIBTRACEEVENT) += openat-syscall.o
+perf-test-$(CONFIG_LIBTRACEEVENT) += openat-syscall-all-cpus.o
+perf-test-$(CONFIG_LIBTRACEEVENT) += openat-syscall-tp-fields.o
+perf-test-$(CONFIG_LIBTRACEEVENT) += mmap-basic.o
+perf-test-y += perf-record.o
+perf-test-y += evsel-roundtrip-name.o
+perf-test-$(CONFIG_LIBTRACEEVENT) += evsel-tp-sched.o
+perf-test-y += fdarray.o
+perf-test-y += pmu.o
+perf-test-y += pmu-events.o
+perf-test-y += hists_common.o
+perf-test-y += hists_link.o
+perf-test-y += hists_filter.o
+perf-test-y += hists_output.o
+perf-test-y += hists_cumulate.o
+perf-test-y += python-use.o
+perf-test-y += bp_signal.o
+perf-test-y += bp_signal_overflow.o
+perf-test-y += bp_account.o
+perf-test-y += wp.o
+perf-test-y += task-exit.o
+perf-test-y += sw-clock.o
+perf-test-y += mmap-thread-lookup.o
+perf-test-y += thread-maps-share.o
+perf-test-$(CONFIG_LIBTRACEEVENT) += switch-tracking.o
+perf-test-y += keep-tracking.o
+perf-test-y += code-reading.o
+perf-test-y += sample-parsing.o
+perf-test-y += parse-no-sample-id-all.o
+perf-test-y += kmod-path.o
+perf-test-y += thread-map.o
+perf-test-y += topology.o
+perf-test-y += mem.o
+perf-test-y += cpumap.o
+perf-test-y += stat.o
+perf-test-y += event_update.o
+perf-test-y += event-times.o
+perf-test-y += expr.o
+perf-test-y += backward-ring-buffer.o
+perf-test-y += sdt.o
+perf-test-y += is_printable_array.o
+perf-test-y += bitmap.o
+perf-test-y += perf-hooks.o
+perf-test-y += unit_number__scnprintf.o
+perf-test-y += mem2node.o
+perf-test-y += maps.o
+perf-test-y += time-utils-test.o
+perf-test-y += genelf.o
+perf-test-y += api-io.o
+perf-test-y += demangle-java-test.o
+perf-test-y += demangle-ocaml-test.o
+perf-test-y += pfm.o
+perf-test-y += parse-metric.o
+perf-test-y += pe-file-parsing.o
+perf-test-y += expand-cgroup.o
+perf-test-y += perf-time-to-tsc.o
+perf-test-y += dlfilter-test.o
+perf-test-y += sigtrap.o
+perf-test-y += event_groups.o
+perf-test-y += symbols.o
+perf-test-y += util.o
ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc))
-perf-$(CONFIG_DWARF_UNWIND) += dwarf-unwind.o
+perf-test-$(CONFIG_DWARF_UNWIND) += dwarf-unwind.o
endif
CFLAGS_attr.o += -DBINDIR="BUILD_STR($(bindir_SQ))" -DPYTHON="BUILD_STR($(PYTHON_WORD))"
CFLAGS_python-use.o += -DPYTHONPATH="BUILD_STR($(OUTPUT)python)" -DPYTHON="BUILD_STR($(PYTHON_WORD))"
CFLAGS_dwarf-unwind.o += -fno-optimize-sibling-calls
-perf-y += workloads/
+perf-test-y += workloads/
ifdef SHELLCHECK
SHELL_TESTS := $(shell find tests/shell -executable -type f -name '*.sh')
@@ -90,4 +90,4 @@ $(OUTPUT)%.shellcheck_log: %
$(call rule_mkdir)
$(Q)$(call echo-cmd,test)shellcheck -a -S warning "$<" > $@ || (cat $@ && rm $@ && false)
-perf-y += $(TEST_LOGS)
+perf-test-y += $(TEST_LOGS)
diff --git a/tools/perf/tests/pmu.c b/tools/perf/tests/pmu.c
index 06cc0e46cb28..40132655ccd1 100644
--- a/tools/perf/tests/pmu.c
+++ b/tools/perf/tests/pmu.c
@@ -3,6 +3,7 @@
#include "evsel.h"
#include "parse-events.h"
#include "pmu.h"
+#include "pmus.h"
#include "tests.h"
#include "debug.h"
#include "fncache.h"
@@ -259,26 +260,42 @@ err_out:
static bool permitted_event_name(const char *name)
{
bool has_lower = false, has_upper = false;
+ __u64 config;
for (size_t i = 0; i < strlen(name); i++) {
char c = name[i];
if (islower(c)) {
if (has_upper)
- return false;
+ goto check_legacy;
has_lower = true;
continue;
}
if (isupper(c)) {
if (has_lower)
- return false;
+ goto check_legacy;
has_upper = true;
continue;
}
if (!isdigit(c) && c != '.' && c != '_' && c != '-')
- return false;
+ goto check_legacy;
}
return true;
+check_legacy:
+ /*
+ * If the event name matches a legacy cache name the legacy encoding
+ * will still be used. This isn't quite WAI as sysfs events should take
+ * priority, but this case happens on PowerPC and matches the behavior
+ * in older perf tools where legacy events were the priority. Be
+ * permissive and assume later PMU drivers will use all lower or upper
+ * case names.
+ */
+ if (parse_events__decode_legacy_cache(name, /*extended_pmu_type=*/0, &config) == 0) {
+ pr_warning("sysfs event '%s' should be all lower/upper case, it will be matched using legacy encoding.",
+ name);
+ return true;
+ }
+ return false;
}
static int test__pmu_event_names(struct test_suite *test __maybe_unused,
@@ -340,10 +357,186 @@ static int test__pmu_event_names(struct test_suite *test __maybe_unused,
return ret;
}
+static const char * const uncore_chas[] = {
+ "uncore_cha_0",
+ "uncore_cha_1",
+ "uncore_cha_2",
+ "uncore_cha_3",
+ "uncore_cha_4",
+ "uncore_cha_5",
+ "uncore_cha_6",
+ "uncore_cha_7",
+ "uncore_cha_8",
+ "uncore_cha_9",
+ "uncore_cha_10",
+ "uncore_cha_11",
+ "uncore_cha_12",
+ "uncore_cha_13",
+ "uncore_cha_14",
+ "uncore_cha_15",
+ "uncore_cha_16",
+ "uncore_cha_17",
+ "uncore_cha_18",
+ "uncore_cha_19",
+ "uncore_cha_20",
+ "uncore_cha_21",
+ "uncore_cha_22",
+ "uncore_cha_23",
+ "uncore_cha_24",
+ "uncore_cha_25",
+ "uncore_cha_26",
+ "uncore_cha_27",
+ "uncore_cha_28",
+ "uncore_cha_29",
+ "uncore_cha_30",
+ "uncore_cha_31",
+};
+
+static const char * const mrvl_ddrs[] = {
+ "mrvl_ddr_pmu_87e1b0000000",
+ "mrvl_ddr_pmu_87e1b1000000",
+ "mrvl_ddr_pmu_87e1b2000000",
+ "mrvl_ddr_pmu_87e1b3000000",
+ "mrvl_ddr_pmu_87e1b4000000",
+ "mrvl_ddr_pmu_87e1b5000000",
+ "mrvl_ddr_pmu_87e1b6000000",
+ "mrvl_ddr_pmu_87e1b7000000",
+ "mrvl_ddr_pmu_87e1b8000000",
+ "mrvl_ddr_pmu_87e1b9000000",
+ "mrvl_ddr_pmu_87e1ba000000",
+ "mrvl_ddr_pmu_87e1bb000000",
+ "mrvl_ddr_pmu_87e1bc000000",
+ "mrvl_ddr_pmu_87e1bd000000",
+ "mrvl_ddr_pmu_87e1be000000",
+ "mrvl_ddr_pmu_87e1bf000000",
+};
+
+static int test__name_len(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
+{
+ TEST_ASSERT_VAL("cpu", pmu_name_len_no_suffix("cpu") == strlen("cpu"));
+ TEST_ASSERT_VAL("i915", pmu_name_len_no_suffix("i915") == strlen("i915"));
+ TEST_ASSERT_VAL("cpum_cf", pmu_name_len_no_suffix("cpum_cf") == strlen("cpum_cf"));
+ for (size_t i = 0; i < ARRAY_SIZE(uncore_chas); i++) {
+ TEST_ASSERT_VAL("Strips uncore_cha suffix",
+ pmu_name_len_no_suffix(uncore_chas[i]) ==
+ strlen("uncore_cha"));
+ }
+ for (size_t i = 0; i < ARRAY_SIZE(mrvl_ddrs); i++) {
+ TEST_ASSERT_VAL("Strips mrvl_ddr_pmu suffix",
+ pmu_name_len_no_suffix(mrvl_ddrs[i]) ==
+ strlen("mrvl_ddr_pmu"));
+ }
+ return TEST_OK;
+}
+
+static int test__name_cmp(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
+{
+ TEST_ASSERT_EQUAL("cpu", pmu_name_cmp("cpu", "cpu"), 0);
+ TEST_ASSERT_EQUAL("i915", pmu_name_cmp("i915", "i915"), 0);
+ TEST_ASSERT_EQUAL("cpum_cf", pmu_name_cmp("cpum_cf", "cpum_cf"), 0);
+ TEST_ASSERT_VAL("i915", pmu_name_cmp("cpu", "i915") < 0);
+ TEST_ASSERT_VAL("i915", pmu_name_cmp("i915", "cpu") > 0);
+ TEST_ASSERT_VAL("cpum_cf", pmu_name_cmp("cpum_cf", "cpum_ce") > 0);
+ TEST_ASSERT_VAL("cpum_cf", pmu_name_cmp("cpum_cf", "cpum_d0") < 0);
+ for (size_t i = 1; i < ARRAY_SIZE(uncore_chas); i++) {
+ TEST_ASSERT_VAL("uncore_cha suffixes ordered lt",
+ pmu_name_cmp(uncore_chas[i-1], uncore_chas[i]) < 0);
+ TEST_ASSERT_VAL("uncore_cha suffixes ordered gt",
+ pmu_name_cmp(uncore_chas[i], uncore_chas[i-1]) > 0);
+ }
+ for (size_t i = 1; i < ARRAY_SIZE(mrvl_ddrs); i++) {
+ TEST_ASSERT_VAL("mrvl_ddr_pmu suffixes ordered lt",
+ pmu_name_cmp(mrvl_ddrs[i-1], mrvl_ddrs[i]) < 0);
+ TEST_ASSERT_VAL("mrvl_ddr_pmu suffixes ordered gt",
+ pmu_name_cmp(mrvl_ddrs[i], mrvl_ddrs[i-1]) > 0);
+ }
+ return TEST_OK;
+}
+
+/**
+ * Test perf_pmu__match() that's used to search for a PMU given a name passed
+ * on the command line. The name that's passed may also be a filename type glob
+ * match.
+ */
+static int test__pmu_match(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
+{
+ struct perf_pmu test_pmu;
+
+ test_pmu.name = "pmuname";
+ TEST_ASSERT_EQUAL("Exact match", perf_pmu__match(&test_pmu, "pmuname"), true);
+ TEST_ASSERT_EQUAL("Longer token", perf_pmu__match(&test_pmu, "longertoken"), false);
+ TEST_ASSERT_EQUAL("Shorter token", perf_pmu__match(&test_pmu, "pmu"), false);
+
+ test_pmu.name = "pmuname_10";
+ TEST_ASSERT_EQUAL("Diff suffix_", perf_pmu__match(&test_pmu, "pmuname_2"), false);
+ TEST_ASSERT_EQUAL("Sub suffix_", perf_pmu__match(&test_pmu, "pmuname_1"), true);
+ TEST_ASSERT_EQUAL("Same suffix_", perf_pmu__match(&test_pmu, "pmuname_10"), true);
+ TEST_ASSERT_EQUAL("No suffix_", perf_pmu__match(&test_pmu, "pmuname"), true);
+ TEST_ASSERT_EQUAL("Underscore_", perf_pmu__match(&test_pmu, "pmuname_"), true);
+ TEST_ASSERT_EQUAL("Substring_", perf_pmu__match(&test_pmu, "pmuna"), false);
+
+ test_pmu.name = "pmuname_ab23";
+ TEST_ASSERT_EQUAL("Diff suffix hex_", perf_pmu__match(&test_pmu, "pmuname_2"), false);
+ TEST_ASSERT_EQUAL("Sub suffix hex_", perf_pmu__match(&test_pmu, "pmuname_ab"), true);
+ TEST_ASSERT_EQUAL("Same suffix hex_", perf_pmu__match(&test_pmu, "pmuname_ab23"), true);
+ TEST_ASSERT_EQUAL("No suffix hex_", perf_pmu__match(&test_pmu, "pmuname"), true);
+ TEST_ASSERT_EQUAL("Underscore hex_", perf_pmu__match(&test_pmu, "pmuname_"), true);
+ TEST_ASSERT_EQUAL("Substring hex_", perf_pmu__match(&test_pmu, "pmuna"), false);
+
+ test_pmu.name = "pmuname10";
+ TEST_ASSERT_EQUAL("Diff suffix", perf_pmu__match(&test_pmu, "pmuname2"), false);
+ TEST_ASSERT_EQUAL("Sub suffix", perf_pmu__match(&test_pmu, "pmuname1"), true);
+ TEST_ASSERT_EQUAL("Same suffix", perf_pmu__match(&test_pmu, "pmuname10"), true);
+ TEST_ASSERT_EQUAL("No suffix", perf_pmu__match(&test_pmu, "pmuname"), true);
+ TEST_ASSERT_EQUAL("Underscore", perf_pmu__match(&test_pmu, "pmuname_"), false);
+ TEST_ASSERT_EQUAL("Substring", perf_pmu__match(&test_pmu, "pmuna"), false);
+
+ test_pmu.name = "pmunameab23";
+ TEST_ASSERT_EQUAL("Diff suffix hex", perf_pmu__match(&test_pmu, "pmuname2"), false);
+ TEST_ASSERT_EQUAL("Sub suffix hex", perf_pmu__match(&test_pmu, "pmunameab"), true);
+ TEST_ASSERT_EQUAL("Same suffix hex", perf_pmu__match(&test_pmu, "pmunameab23"), true);
+ TEST_ASSERT_EQUAL("No suffix hex", perf_pmu__match(&test_pmu, "pmuname"), true);
+ TEST_ASSERT_EQUAL("Underscore hex", perf_pmu__match(&test_pmu, "pmuname_"), false);
+ TEST_ASSERT_EQUAL("Substring hex", perf_pmu__match(&test_pmu, "pmuna"), false);
+
+ /*
+ * 2 hex chars or less are not considered suffixes so it shouldn't be
+ * possible to wildcard by skipping the suffix. Therefore there are more
+ * false results here than above.
+ */
+ test_pmu.name = "pmuname_a3";
+ TEST_ASSERT_EQUAL("Diff suffix 2 hex_", perf_pmu__match(&test_pmu, "pmuname_2"), false);
+ /*
+ * This one should be false, but because pmuname_a3 ends in 3 which is
+ * decimal, it's not possible to determine if it's a short hex suffix or
+ * a normal decimal suffix following text. And we want to match on any
+ * length of decimal suffix. Run the test anyway and expect the wrong
+ * result. And slightly fuzzy matching shouldn't do too much harm.
+ */
+ TEST_ASSERT_EQUAL("Sub suffix 2 hex_", perf_pmu__match(&test_pmu, "pmuname_a"), true);
+ TEST_ASSERT_EQUAL("Same suffix 2 hex_", perf_pmu__match(&test_pmu, "pmuname_a3"), true);
+ TEST_ASSERT_EQUAL("No suffix 2 hex_", perf_pmu__match(&test_pmu, "pmuname"), false);
+ TEST_ASSERT_EQUAL("Underscore 2 hex_", perf_pmu__match(&test_pmu, "pmuname_"), false);
+ TEST_ASSERT_EQUAL("Substring 2 hex_", perf_pmu__match(&test_pmu, "pmuna"), false);
+
+ test_pmu.name = "pmuname_5";
+ TEST_ASSERT_EQUAL("Glob 1", perf_pmu__match(&test_pmu, "pmu*"), true);
+ TEST_ASSERT_EQUAL("Glob 2", perf_pmu__match(&test_pmu, "nomatch*"), false);
+ TEST_ASSERT_EQUAL("Seq 1", perf_pmu__match(&test_pmu, "pmuname_[12345]"), true);
+ TEST_ASSERT_EQUAL("Seq 2", perf_pmu__match(&test_pmu, "pmuname_[67890]"), false);
+ TEST_ASSERT_EQUAL("? 1", perf_pmu__match(&test_pmu, "pmuname_?"), true);
+ TEST_ASSERT_EQUAL("? 2", perf_pmu__match(&test_pmu, "pmuname_1?"), false);
+
+ return TEST_OK;
+}
+
static struct test_case tests__pmu[] = {
TEST_CASE("Parsing with PMU format directory", pmu_format),
TEST_CASE("Parsing with PMU event", pmu_events),
TEST_CASE("PMU event names", pmu_event_names),
+ TEST_CASE("PMU name combining", name_len),
+ TEST_CASE("PMU name comparison", name_cmp),
+ TEST_CASE("PMU cmdline match", pmu_match),
{ .name = NULL, }
};
diff --git a/tools/perf/tests/shell/annotate.sh b/tools/perf/tests/shell/annotate.sh
index 1db1e8113d99..b072d9b97387 100755
--- a/tools/perf/tests/shell/annotate.sh
+++ b/tools/perf/tests/shell/annotate.sh
@@ -15,12 +15,13 @@ skip_test_missing_symbol ${testsym}
err=0
perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
+perfout=$(mktemp /tmp/__perf_test.perf.out.XXXXX)
testprog="perf test -w noploop"
# disassembly format: "percent : offset: instruction (operands ...)"
disasm_regex="[0-9]*\.[0-9]* *: *\w*: *\w*"
cleanup() {
- rm -rf "${perfdata}"
+ rm -rf "${perfdata}" "${perfout}"
rm -rf "${perfdata}".old
trap - EXIT TERM INT
@@ -41,8 +42,11 @@ test_basic() {
return
fi
+ # Generate the annotated output file
+ perf annotate -i "${perfdata}" --stdio 2> /dev/null > "${perfout}"
+
# check if it has the target symbol
- if ! perf annotate -i "${perfdata}" 2> /dev/null | grep "${testsym}"
+ if ! grep "${testsym}" "${perfout}"
then
echo "Basic annotate [Failed: missing target symbol]"
err=1
@@ -50,7 +54,7 @@ test_basic() {
fi
# check if it has the disassembly lines
- if ! perf annotate -i "${perfdata}" 2> /dev/null | grep "${disasm_regex}"
+ if ! grep "${disasm_regex}" "${perfout}"
then
echo "Basic annotate [Failed: missing disasm output from default disassembler]"
err=1
diff --git a/tools/perf/tests/shell/base_probe/test_adding_kernel.sh b/tools/perf/tests/shell/base_probe/test_adding_kernel.sh
index 63bb8974b38e..187dc8d4b163 100755
--- a/tools/perf/tests/shell/base_probe/test_adding_kernel.sh
+++ b/tools/perf/tests/shell/base_probe/test_adding_kernel.sh
@@ -21,8 +21,18 @@
THIS_TEST_NAME=`basename $0 .sh`
TEST_RESULT=0
+# shellcheck source=lib/probe_vfs_getname.sh
+. "$(dirname "$0")/../lib/probe_vfs_getname.sh"
+
TEST_PROBE=${TEST_PROBE:-"inode_permission"}
+# set NO_DEBUGINFO to skip testcase if debuginfo is not present
+# skip_if_no_debuginfo returns 2 if debuginfo is not present
+skip_if_no_debuginfo
+if [ $? -eq 2 ]; then
+ NO_DEBUGINFO=1
+fi
+
check_kprobes_available
if [ $? -ne 0 ]; then
print_overall_skipped
@@ -67,7 +77,12 @@ PERF_EXIT_CODE=$?
../common/check_all_patterns_found.pl "\s*probe:${TEST_PROBE}(?:_\d+)?\s+\(on ${TEST_PROBE}(?:[:\+]$RE_NUMBER_HEX)?@.+\)" < $LOGS_DIR/adding_kernel_list-l.log
CHECK_EXIT_CODE=$?
-print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "listing added probe :: perf probe -l"
+if [ $NO_DEBUGINFO ] ; then
+ print_testcase_skipped $NO_DEBUGINFO $NO_DEBUGINFO "Skipped due to missing debuginfo"
+else
+ print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "listing added probe :: perf probe -l"
+fi
+
(( TEST_RESULT += $? ))
@@ -208,7 +223,12 @@ PERF_EXIT_CODE=$?
../common/check_all_patterns_found.pl "probe:vfs_mknod" "probe:vfs_create" "probe:vfs_rmdir" "probe:vfs_link" "probe:vfs_write" < $LOGS_DIR/adding_kernel_adding_wildcard.err
CHECK_EXIT_CODE=$?
-print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "wildcard adding support"
+if [ $NO_DEBUGINFO ] ; then
+ print_testcase_skipped $NO_DEBUGINFO $NO_DEBUGINFO "Skipped due to missing debuginfo"
+else
+ print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "wildcard adding support"
+fi
+
(( TEST_RESULT += $? ))
@@ -232,7 +252,12 @@ CHECK_EXIT_CODE=$?
../common/check_no_patterns_found.pl "$RE_SEGFAULT" < $LOGS_DIR/adding_kernel_nonexisting.err
(( CHECK_EXIT_CODE += $? ))
-print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "non-existing variable"
+if [ $NO_DEBUGINFO ]; then
+ print_testcase_skipped $NO_DEBUGINFO $NO_DEBUGINFO "Skipped due to missing debuginfo"
+else
+ print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "non-existing variable"
+fi
+
(( TEST_RESULT += $? ))
diff --git a/tools/perf/tests/shell/stat_bpf_counters.sh b/tools/perf/tests/shell/stat_bpf_counters.sh
index 61f8149d854e..f250b7d6f773 100755
--- a/tools/perf/tests/shell/stat_bpf_counters.sh
+++ b/tools/perf/tests/shell/stat_bpf_counters.sh
@@ -4,7 +4,7 @@
set -e
-workload="perf bench sched messaging -g 1 -l 100 -t"
+workload="perf test -w brstack"
# check whether $2 is within +/- 20% of $1
compare_number()
@@ -25,15 +25,15 @@ compare_number()
check_counts()
{
- base_cycles=$1
- bpf_cycles=$2
+ base_instructions=$1
+ bpf_instructions=$2
- if [ "$base_cycles" = "<not" ]; then
- echo "Skipping: cycles event not counted"
+ if [ "$base_instructions" = "<not" ]; then
+ echo "Skipping: instructions event not counted"
exit 2
fi
- if [ "$bpf_cycles" = "<not" ]; then
- echo "Failed: cycles not counted with --bpf-counters"
+ if [ "$bpf_instructions" = "<not" ]; then
+ echo "Failed: instructions not counted with --bpf-counters"
exit 1
fi
}
@@ -41,29 +41,29 @@ check_counts()
test_bpf_counters()
{
printf "Testing --bpf-counters "
- base_cycles=$(perf stat --no-big-num -e cycles -- $workload 2>&1 | awk '/cycles/ {print $1}')
- bpf_cycles=$(perf stat --no-big-num --bpf-counters -e cycles -- $workload 2>&1 | awk '/cycles/ {print $1}')
- check_counts $base_cycles $bpf_cycles
- compare_number $base_cycles $bpf_cycles
+ base_instructions=$(perf stat --no-big-num -e instructions -- $workload 2>&1 | awk '/instructions/ {print $1}')
+ bpf_instructions=$(perf stat --no-big-num --bpf-counters -e instructions -- $workload 2>&1 | awk '/instructions/ {print $1}')
+ check_counts $base_instructions $bpf_instructions
+ compare_number $base_instructions $bpf_instructions
echo "[Success]"
}
test_bpf_modifier()
{
printf "Testing bpf event modifier "
- stat_output=$(perf stat --no-big-num -e cycles/name=base_cycles/,cycles/name=bpf_cycles/b -- $workload 2>&1)
- base_cycles=$(echo "$stat_output"| awk '/base_cycles/ {print $1}')
- bpf_cycles=$(echo "$stat_output"| awk '/bpf_cycles/ {print $1}')
- check_counts $base_cycles $bpf_cycles
- compare_number $base_cycles $bpf_cycles
+ stat_output=$(perf stat --no-big-num -e instructions/name=base_instructions/,instructions/name=bpf_instructions/b -- $workload 2>&1)
+ base_instructions=$(echo "$stat_output"| awk '/base_instructions/ {print $1}')
+ bpf_instructions=$(echo "$stat_output"| awk '/bpf_instructions/ {print $1}')
+ check_counts $base_instructions $bpf_instructions
+ compare_number $base_instructions $bpf_instructions
echo "[Success]"
}
# skip if --bpf-counters is not supported
-if ! perf stat -e cycles --bpf-counters true > /dev/null 2>&1; then
+if ! perf stat -e instructions --bpf-counters true > /dev/null 2>&1; then
if [ "$1" = "-v" ]; then
echo "Skipping: --bpf-counters not supported"
- perf --no-pager stat -e cycles --bpf-counters true || true
+ perf --no-pager stat -e instructions --bpf-counters true || true
fi
exit 2
fi
diff --git a/tools/perf/tests/shell/test_arm_callgraph_fp.sh b/tools/perf/tests/shell/test_arm_callgraph_fp.sh
index 61898e256616..9caa36130175 100755
--- a/tools/perf/tests/shell/test_arm_callgraph_fp.sh
+++ b/tools/perf/tests/shell/test_arm_callgraph_fp.sh
@@ -28,28 +28,21 @@ cleanup_files()
trap cleanup_files EXIT TERM INT
-# Add a 1 second delay to skip samples that are not in the leaf() function
# shellcheck disable=SC2086
-perf record -o "$PERF_DATA" --call-graph fp -e cycles//u -D 1000 --user-callchains -- $TEST_PROGRAM 2> /dev/null &
-PID=$!
+perf record -o "$PERF_DATA" --call-graph fp -e cycles//u --user-callchains -- $TEST_PROGRAM
-echo " + Recording (PID=$PID)..."
-sleep 2
-echo " + Stopping perf-record..."
-
-kill $PID
-wait $PID
+# Try opening the file so any immediate errors are visible in the log
+perf script -i "$PERF_DATA" -F comm,ip,sym | head -n4
-# expected perf-script output:
+# expected perf-script output if 'leaf' has been inserted correctly:
#
-# program
+# perf
# 728 leaf
# 753 parent
# 76c leafloop
-# ...
+# ... remaining stack to main() ...
-perf script -i "$PERF_DATA" -F comm,ip,sym | head -n4
-perf script -i "$PERF_DATA" -F comm,ip,sym | head -n4 | \
- awk '{ if ($2 != "") sym[i++] = $2 } END { if (sym[0] != "leaf" ||
- sym[1] != "parent" ||
- sym[2] != "leafloop") exit 1 }'
+# Each frame is separated by a tab, some spaces and an address
+SEP="[[:space:]]+ [[:xdigit:]]+"
+perf script -i "$PERF_DATA" -F comm,ip,sym | tr '\n' ' ' | \
+ grep -E -q "perf $SEP leaf $SEP parent $SEP leafloop"
diff --git a/tools/perf/tests/shell/test_uprobe_from_different_cu.sh b/tools/perf/tests/shell/test_uprobe_from_different_cu.sh
index 319f36ebb9a4..82bc774a078a 100755
--- a/tools/perf/tests/shell/test_uprobe_from_different_cu.sh
+++ b/tools/perf/tests/shell/test_uprobe_from_different_cu.sh
@@ -77,7 +77,7 @@ gcc -g -Og -flto -c ${temp_dir}/testfile-foo.c -o ${temp_dir}/testfile-foo.o
gcc -g -Og -c ${temp_dir}/testfile-main.c -o ${temp_dir}/testfile-main.o
gcc -g -Og -o ${temp_dir}/testfile ${temp_dir}/testfile-foo.o ${temp_dir}/testfile-main.o
-perf probe -x ${temp_dir}/testfile --funcs foo
+perf probe -x ${temp_dir}/testfile --funcs foo | grep "foo"
perf probe -x ${temp_dir}/testfile foo
cleanup
diff --git a/tools/perf/tests/vmlinux-kallsyms.c b/tools/perf/tests/vmlinux-kallsyms.c
index e30fd55f8e51..cd3b480d20bd 100644
--- a/tools/perf/tests/vmlinux-kallsyms.c
+++ b/tools/perf/tests/vmlinux-kallsyms.c
@@ -26,7 +26,6 @@ static bool is_ignored_symbol(const char *name, char type)
* when --all-symbols is specified so exclude them to get a
* stable symbol list.
*/
- "kallsyms_addresses",
"kallsyms_offsets",
"kallsyms_relative_base",
"kallsyms_num_syms",
diff --git a/tools/perf/tests/workloads/Build b/tools/perf/tests/workloads/Build
index a1f34d5861e3..48bf0d3b0f3d 100644
--- a/tools/perf/tests/workloads/Build
+++ b/tools/perf/tests/workloads/Build
@@ -1,11 +1,11 @@
# SPDX-License-Identifier: GPL-2.0
-perf-y += noploop.o
-perf-y += thloop.o
-perf-y += leafloop.o
-perf-y += sqrtloop.o
-perf-y += brstack.o
-perf-y += datasym.o
+perf-test-y += noploop.o
+perf-test-y += thloop.o
+perf-test-y += leafloop.o
+perf-test-y += sqrtloop.o
+perf-test-y += brstack.o
+perf-test-y += datasym.o
CFLAGS_sqrtloop.o = -g -O0 -fno-inline -U_FORTIFY_SOURCE
CFLAGS_leafloop.o = -g -O0 -fno-inline -fno-omit-frame-pointer -U_FORTIFY_SOURCE
diff --git a/tools/perf/tests/workloads/leafloop.c b/tools/perf/tests/workloads/leafloop.c
index 1bf5cc97649b..f7561767e32c 100644
--- a/tools/perf/tests/workloads/leafloop.c
+++ b/tools/perf/tests/workloads/leafloop.c
@@ -1,6 +1,8 @@
/* SPDX-License-Identifier: GPL-2.0 */
+#include <signal.h>
#include <stdlib.h>
#include <linux/compiler.h>
+#include <unistd.h>
#include "../tests.h"
/* We want to check these symbols in perf script */
@@ -8,10 +10,16 @@ noinline void leaf(volatile int b);
noinline void parent(volatile int b);
static volatile int a;
+static volatile sig_atomic_t done;
+
+static void sighandler(int sig __maybe_unused)
+{
+ done = 1;
+}
noinline void leaf(volatile int b)
{
- for (;;)
+ while (!done)
a += b;
}
@@ -22,12 +30,16 @@ noinline void parent(volatile int b)
static int leafloop(int argc, const char **argv)
{
- int c = 1;
+ int sec = 1;
if (argc > 0)
- c = atoi(argv[0]);
+ sec = atoi(argv[0]);
+
+ signal(SIGINT, sighandler);
+ signal(SIGALRM, sighandler);
+ alarm(sec);
- parent(c);
+ parent(sec);
return 0;
}
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