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-rw-r--r--tools/perf/tests/Build1
-rw-r--r--tools/perf/tests/attr/system-wide-dummy14
-rw-r--r--tools/perf/tests/attr/test-record-C04
-rw-r--r--tools/perf/tests/attr/test-record-dummy-C055
-rw-r--r--tools/perf/tests/builtin-test.c1
-rw-r--r--tools/perf/tests/code-reading.c10
-rw-r--r--tools/perf/tests/expr.c33
-rw-r--r--tools/perf/tests/hists_link.c4
-rw-r--r--tools/perf/tests/make7
-rw-r--r--tools/perf/tests/parse-events.c51
-rw-r--r--tools/perf/tests/pmu-events.c65
-rw-r--r--tools/perf/tests/pmu.c23
-rwxr-xr-xtools/perf/tests/shell/coresight/asm_pure_loop.sh4
-rwxr-xr-xtools/perf/tests/shell/coresight/memcpy_thread_16k_10.sh4
-rwxr-xr-xtools/perf/tests/shell/coresight/thread_loop_check_tid_10.sh4
-rwxr-xr-xtools/perf/tests/shell/coresight/thread_loop_check_tid_2.sh4
-rwxr-xr-xtools/perf/tests/shell/coresight/unroll_loop_thread_10.sh4
-rw-r--r--tools/perf/tests/shell/lib/coresight.sh2
-rwxr-xr-xtools/perf/tests/shell/lock_contention.sh52
-rwxr-xr-xtools/perf/tests/shell/probe_vfs_getname.sh2
-rwxr-xr-xtools/perf/tests/shell/record+probe_libc_inet_pton.sh2
-rwxr-xr-xtools/perf/tests/shell/record+script_probe_vfs_getname.sh2
-rwxr-xr-xtools/perf/tests/shell/record.sh1
-rwxr-xr-xtools/perf/tests/shell/record_offcpu.sh2
-rwxr-xr-xtools/perf/tests/shell/record_sideband.sh58
-rwxr-xr-xtools/perf/tests/shell/script.sh73
-rwxr-xr-xtools/perf/tests/shell/stat+csv_output.sh1
-rwxr-xr-xtools/perf/tests/shell/stat+csv_summary.sh4
-rwxr-xr-xtools/perf/tests/shell/stat+shadow_stat.sh34
-rwxr-xr-xtools/perf/tests/shell/stat+std_output.sh1
-rwxr-xr-xtools/perf/tests/shell/stat_all_metricgroups.sh16
-rwxr-xr-xtools/perf/tests/shell/test_arm_coresight.sh4
-rwxr-xr-xtools/perf/tests/shell/test_intel_pt.sh1
-rwxr-xr-xtools/perf/tests/shell/trace+probe_vfs_getname.sh1
-rw-r--r--tools/perf/tests/tests.h1
-rw-r--r--tools/perf/tests/thread-maps-share.c9
-rw-r--r--tools/perf/tests/util.c31
37 files changed, 532 insertions, 53 deletions
diff --git a/tools/perf/tests/Build b/tools/perf/tests/Build
index 63d5e6d5f1..2b45ffa462 100644
--- a/tools/perf/tests/Build
+++ b/tools/perf/tests/Build
@@ -66,6 +66,7 @@ perf-y += dlfilter-test.o
perf-y += sigtrap.o
perf-y += event_groups.o
perf-y += symbols.o
+perf-y += util.o
ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc))
perf-$(CONFIG_DWARF_UNWIND) += dwarf-unwind.o
diff --git a/tools/perf/tests/attr/system-wide-dummy b/tools/perf/tests/attr/system-wide-dummy
index 2f3e3eb728..a1e1d6a263 100644
--- a/tools/perf/tests/attr/system-wide-dummy
+++ b/tools/perf/tests/attr/system-wide-dummy
@@ -9,8 +9,10 @@ flags=8
type=1
size=136
config=9
-sample_period=4000
-sample_type=455
+sample_period=1
+# PERF_SAMPLE_IP | PERF_SAMPLE_TID | PERF_SAMPLE_TIME |
+# PERF_SAMPLE_CPU | PERF_SAMPLE_IDENTIFIER
+sample_type=65671
read_format=4|20
# Event will be enabled right away.
disabled=0
@@ -18,12 +20,12 @@ inherit=1
pinned=0
exclusive=0
exclude_user=0
-exclude_kernel=0
-exclude_hv=0
+exclude_kernel=1
+exclude_hv=1
exclude_idle=0
mmap=1
comm=1
-freq=1
+freq=0
inherit_stat=0
enable_on_exec=0
task=1
@@ -32,7 +34,7 @@ precise_ip=0
mmap_data=0
sample_id_all=1
exclude_host=0
-exclude_guest=0
+exclude_guest=1
exclude_callchain_kernel=0
exclude_callchain_user=0
mmap2=1
diff --git a/tools/perf/tests/attr/test-record-C0 b/tools/perf/tests/attr/test-record-C0
index 317730b906..198e8429a1 100644
--- a/tools/perf/tests/attr/test-record-C0
+++ b/tools/perf/tests/attr/test-record-C0
@@ -10,9 +10,9 @@ cpu=0
enable_on_exec=0
# PERF_SAMPLE_IP | PERF_SAMPLE_TID | PERF_SAMPLE_TIME |
-# PERF_SAMPLE_ID | PERF_SAMPLE_PERIOD
+# PERF_SAMPLE_PERIOD | PERF_SAMPLE_IDENTIFIER
# + PERF_SAMPLE_CPU added by -C 0
-sample_type=455
+sample_type=65927
# Dummy event handles mmaps, comm and task.
mmap=0
diff --git a/tools/perf/tests/attr/test-record-dummy-C0 b/tools/perf/tests/attr/test-record-dummy-C0
new file mode 100644
index 0000000000..576ec48b3a
--- /dev/null
+++ b/tools/perf/tests/attr/test-record-dummy-C0
@@ -0,0 +1,55 @@
+[config]
+command = record
+args = --no-bpf-event -e dummy -C 0 kill >/dev/null 2>&1
+ret = 1
+
+[event]
+fd=1
+group_fd=-1
+cpu=0
+pid=-1
+flags=8
+type=1
+size=136
+config=9
+sample_period=4000
+# PERF_SAMPLE_IP | PERF_SAMPLE_TID | PERF_SAMPLE_TIME |
+# PERF_SAMPLE_PERIOD
+# + PERF_SAMPLE_CPU added by -C 0
+sample_type=391
+read_format=4|20
+disabled=0
+inherit=1
+pinned=0
+exclusive=0
+exclude_user=0
+exclude_kernel=0
+exclude_hv=0
+exclude_idle=0
+mmap=1
+comm=1
+freq=1
+inherit_stat=0
+enable_on_exec=0
+task=1
+watermark=0
+precise_ip=0
+mmap_data=0
+sample_id_all=1
+exclude_host=0
+exclude_guest=1
+exclude_callchain_kernel=0
+exclude_callchain_user=0
+mmap2=1
+comm_exec=1
+context_switch=0
+write_backward=0
+namespaces=0
+use_clockid=0
+wakeup_events=0
+bp_type=0
+config1=0
+config2=0
+branch_sample_type=0
+sample_regs_user=0
+sample_stack_user=0
diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
index 0ad18cf6dd..cb6f1dd00d 100644
--- a/tools/perf/tests/builtin-test.c
+++ b/tools/perf/tests/builtin-test.c
@@ -123,6 +123,7 @@ static struct test_suite *generic_tests[] = {
&suite__sigtrap,
&suite__event_groups,
&suite__symbols,
+ &suite__util,
NULL,
};
diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c
index ed3815163d..3af8101201 100644
--- a/tools/perf/tests/code-reading.c
+++ b/tools/perf/tests/code-reading.c
@@ -269,6 +269,16 @@ static int read_object_code(u64 addr, size_t len, u8 cpumode,
if (addr + len > map__end(al.map))
len = map__end(al.map) - addr;
+ /*
+ * Some architectures (ex: powerpc) have stubs (trampolines) in kernel
+ * modules to manage long jumps. Check if the ip offset falls in stubs
+ * sections for kernel modules. And skip module address after text end
+ */
+ if (dso->is_kmod && al.addr > dso->text_end) {
+ pr_debug("skipping the module address %#"PRIx64" after text end\n", al.addr);
+ goto out;
+ }
+
/* Read the object code using perf */
ret_len = dso__data_read_offset(dso, maps__machine(thread__maps(thread)),
al.addr, buf1, len);
diff --git a/tools/perf/tests/expr.c b/tools/perf/tests/expr.c
index 81229fa4f1..e3aa9d4fcf 100644
--- a/tools/perf/tests/expr.c
+++ b/tools/perf/tests/expr.c
@@ -9,6 +9,7 @@
#include <math.h>
#include <stdlib.h>
#include <string.h>
+#include <string2.h>
#include <linux/zalloc.h>
static int test_ids_union(void)
@@ -74,10 +75,13 @@ static int test__expr(struct test_suite *t __maybe_unused, int subtest __maybe_u
int ret;
struct expr_parse_ctx *ctx;
bool is_intel = false;
- char buf[128];
+ char strcmp_cpuid_buf[256];
+ struct perf_pmu *pmu = perf_pmus__find_core_pmu();
+ char *cpuid = perf_pmu__getcpuid(pmu);
+ char *escaped_cpuid1, *escaped_cpuid2;
- if (!get_cpuid(buf, sizeof(buf)))
- is_intel = strstr(buf, "Intel") != NULL;
+ TEST_ASSERT_VAL("get_cpuid", cpuid);
+ is_intel = strstr(cpuid, "Intel") != NULL;
TEST_ASSERT_EQUAL("ids_union", test_ids_union(), 0);
@@ -257,13 +261,32 @@ static int test__expr(struct test_suite *t __maybe_unused, int subtest __maybe_u
TEST_ASSERT_VAL("source count", hashmap__size(ctx->ids) == 1);
TEST_ASSERT_VAL("source count", hashmap__find(ctx->ids, "EVENT1", &val_ptr));
+
+ /* Test no cpuid match */
+ ret = test(ctx, "strcmp_cpuid_str(0x0)", 0);
+
+ /*
+ * Test cpuid match with current cpuid. Special chars have to be
+ * escaped.
+ */
+ escaped_cpuid1 = strreplace_chars('-', cpuid, "\\-");
+ free(cpuid);
+ escaped_cpuid2 = strreplace_chars(',', escaped_cpuid1, "\\,");
+ free(escaped_cpuid1);
+ escaped_cpuid1 = strreplace_chars('=', escaped_cpuid2, "\\=");
+ free(escaped_cpuid2);
+ scnprintf(strcmp_cpuid_buf, sizeof(strcmp_cpuid_buf),
+ "strcmp_cpuid_str(%s)", escaped_cpuid1);
+ free(escaped_cpuid1);
+ ret |= test(ctx, strcmp_cpuid_buf, 1);
+
/* has_event returns 1 when an event exists. */
expr__add_id_val(ctx, strdup("cycles"), 2);
- ret = test(ctx, "has_event(cycles)", 1);
+ ret |= test(ctx, "has_event(cycles)", 1);
expr__ctx_free(ctx);
- return 0;
+ return ret;
}
DEFINE_SUITE("Simple expression parser", expr);
diff --git a/tools/perf/tests/hists_link.c b/tools/perf/tests/hists_link.c
index 2d19657ab5..5b6f1e8834 100644
--- a/tools/perf/tests/hists_link.c
+++ b/tools/perf/tests/hists_link.c
@@ -148,8 +148,8 @@ static int find_sample(struct sample *samples, size_t nr_samples,
struct thread *t, struct map *m, struct symbol *s)
{
while (nr_samples--) {
- if (RC_CHK_ACCESS(samples->thread) == RC_CHK_ACCESS(t) &&
- RC_CHK_ACCESS(samples->map) == RC_CHK_ACCESS(m) &&
+ if (RC_CHK_EQUAL(samples->thread, t) &&
+ RC_CHK_EQUAL(samples->map, m) &&
samples->sym == s)
return 1;
samples++;
diff --git a/tools/perf/tests/make b/tools/perf/tests/make
index ea4c341f5a..d9945ed25b 100644
--- a/tools/perf/tests/make
+++ b/tools/perf/tests/make
@@ -70,8 +70,8 @@ make_python_perf_so := $(python_perf_so)
make_debug := DEBUG=1
make_nondistro := BUILD_NONDISTRO=1
make_extra_tests := EXTRA_TESTS=1
-make_bpf_skel := BUILD_BPF_SKEL=1
-make_gen_vmlinux_h := BUILD_BPF_SKEL=1 GEN_VMLINUX_H=1
+make_no_bpf_skel := BUILD_BPF_SKEL=0
+make_gen_vmlinux_h := GEN_VMLINUX_H=1
make_no_libperl := NO_LIBPERL=1
make_no_libpython := NO_LIBPYTHON=1
make_no_scripts := NO_LIBPYTHON=1 NO_LIBPERL=1
@@ -138,7 +138,8 @@ endif
run += make_python_perf_so
run += make_debug
run += make_nondistro
-run += make_build_bpf_skel
+run += make_extra_tests
+run += make_no_bpf_skel
run += make_gen_vmlinux_h
run += make_no_libperl
run += make_no_libpython
diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c
index d47f1f8711..f78be21a59 100644
--- a/tools/perf/tests/parse-events.c
+++ b/tools/perf/tests/parse-events.c
@@ -771,12 +771,12 @@ static int test__checkevent_pmu_events_mix(struct evlist *evlist)
return TEST_OK;
}
-static int test__checkterms_simple(struct list_head *terms)
+static int test__checkterms_simple(struct parse_events_terms *terms)
{
struct parse_events_term *term;
/* config=10 */
- term = list_entry(terms->next, struct parse_events_term, list);
+ term = list_entry(terms->terms.next, struct parse_events_term, list);
TEST_ASSERT_VAL("wrong type term",
term->type_term == PARSE_EVENTS__TERM_TYPE_CONFIG);
TEST_ASSERT_VAL("wrong type val",
@@ -2363,7 +2363,7 @@ static const struct evlist_test test__events_pmu[] = {
struct terms_test {
const char *str;
- int (*check)(struct list_head *terms);
+ int (*check)(struct parse_events_terms *terms);
};
static const struct terms_test test__terms[] = {
@@ -2467,11 +2467,11 @@ static int test__events2(struct test_suite *test __maybe_unused, int subtest __m
static int test_term(const struct terms_test *t)
{
- struct list_head terms;
+ struct parse_events_terms terms;
int ret;
- INIT_LIST_HEAD(&terms);
+ parse_events_terms__init(&terms);
ret = parse_events_terms(&terms, t->str, /*input=*/ NULL);
if (ret) {
pr_debug("failed to parse terms '%s', err %d\n",
@@ -2480,7 +2480,7 @@ static int test_term(const struct terms_test *t)
}
ret = t->check(&terms);
- parse_events_terms__purge(&terms);
+ parse_events_terms__exit(&terms);
return ret;
}
@@ -2514,9 +2514,14 @@ static int test__pmu_events(struct test_suite *test __maybe_unused, int subtest
while ((pmu = perf_pmus__scan(pmu)) != NULL) {
struct stat st;
char path[PATH_MAX];
+ char pmu_event[PATH_MAX];
+ char *buf = NULL;
+ FILE *file;
struct dirent *ent;
+ size_t len = 0;
DIR *dir;
int err;
+ int n;
snprintf(path, PATH_MAX, "%s/bus/event_source/devices/%s/events/",
sysfs__mountpoint(), pmu->name);
@@ -2538,11 +2543,45 @@ static int test__pmu_events(struct test_suite *test __maybe_unused, int subtest
struct evlist_test e = { .name = NULL, };
char name[2 * NAME_MAX + 1 + 12 + 3];
int test_ret;
+ bool is_event_parameterized = 0;
/* Names containing . are special and cannot be used directly */
if (strchr(ent->d_name, '.'))
continue;
+ /* exclude parametrized ones (name contains '?') */
+ n = snprintf(pmu_event, sizeof(pmu_event), "%s%s", path, ent->d_name);
+ if (n >= PATH_MAX) {
+ pr_err("pmu event name crossed PATH_MAX(%d) size\n", PATH_MAX);
+ continue;
+ }
+
+ file = fopen(pmu_event, "r");
+ if (!file) {
+ pr_debug("can't open pmu event file for '%s'\n", ent->d_name);
+ ret = combine_test_results(ret, TEST_FAIL);
+ continue;
+ }
+
+ if (getline(&buf, &len, file) < 0) {
+ pr_debug(" pmu event: %s is a null event\n", ent->d_name);
+ ret = combine_test_results(ret, TEST_FAIL);
+ fclose(file);
+ continue;
+ }
+
+ if (strchr(buf, '?'))
+ is_event_parameterized = 1;
+
+ free(buf);
+ buf = NULL;
+ fclose(file);
+
+ if (is_event_parameterized == 1) {
+ pr_debug("skipping parametrized PMU event: %s which contains ?\n", pmu_event);
+ continue;
+ }
+
snprintf(name, sizeof(name), "%s/event=%s/u", pmu->name, ent->d_name);
e.name = name;
diff --git a/tools/perf/tests/pmu-events.c b/tools/perf/tests/pmu-events.c
index f5321fbdee..a56d329057 100644
--- a/tools/perf/tests/pmu-events.c
+++ b/tools/perf/tests/pmu-events.c
@@ -245,7 +245,7 @@ static const struct perf_pmu_test_event sys_ddr_pmu_write_cycles = {
},
.alias_str = "event=0x2b",
.alias_long_desc = "ddr write-cycles event",
- .matching_pmu = "uncore_sys_ddr_pmu",
+ .matching_pmu = "uncore_sys_ddr_pmu0",
};
static const struct perf_pmu_test_event sys_ccn_pmu_read_cycles = {
@@ -259,12 +259,27 @@ static const struct perf_pmu_test_event sys_ccn_pmu_read_cycles = {
},
.alias_str = "config=0x2c",
.alias_long_desc = "ccn read-cycles event",
- .matching_pmu = "uncore_sys_ccn_pmu",
+ .matching_pmu = "uncore_sys_ccn_pmu4",
+};
+
+static const struct perf_pmu_test_event sys_cmn_pmu_hnf_cache_miss = {
+ .event = {
+ .name = "sys_cmn_pmu.hnf_cache_miss",
+ .event = "eventid=0x1,type=0x5",
+ .desc = "Counts total cache misses in first lookup result (high priority)",
+ .topic = "uncore",
+ .pmu = "uncore_sys_cmn_pmu",
+ .compat = "(434|436|43c|43a).*",
+ },
+ .alias_str = "eventid=0x1,type=0x5",
+ .alias_long_desc = "Counts total cache misses in first lookup result (high priority)",
+ .matching_pmu = "uncore_sys_cmn_pmu0",
};
static const struct perf_pmu_test_event *sys_events[] = {
&sys_ddr_pmu_write_cycles,
&sys_ccn_pmu_read_cycles,
+ &sys_cmn_pmu_hnf_cache_miss,
NULL
};
@@ -615,6 +630,12 @@ static int __test_uncore_pmu_event_aliases(struct perf_pmu_test_pmu *test_pmu)
.count = &matched_count,
};
+ if (strcmp(pmu_name, test_event.matching_pmu)) {
+ pr_debug("testing aliases uncore PMU %s: mismatched matching_pmu, %s vs %s\n",
+ pmu_name, test_event.matching_pmu, pmu_name);
+ return -1;
+ }
+
err = perf_pmu__find_event(pmu, event->name, &args,
test_core_pmu_event_aliases_cb);
if (err) {
@@ -701,6 +722,46 @@ static struct perf_pmu_test_pmu test_pmus[] = {
&sys_ccn_pmu_read_cycles,
},
},
+ {
+ .pmu = {
+ .name = (char *)"uncore_sys_cmn_pmu0",
+ .is_uncore = 1,
+ .id = (char *)"43401",
+ },
+ .aliases = {
+ &sys_cmn_pmu_hnf_cache_miss,
+ },
+ },
+ {
+ .pmu = {
+ .name = (char *)"uncore_sys_cmn_pmu0",
+ .is_uncore = 1,
+ .id = (char *)"43602",
+ },
+ .aliases = {
+ &sys_cmn_pmu_hnf_cache_miss,
+ },
+ },
+ {
+ .pmu = {
+ .name = (char *)"uncore_sys_cmn_pmu0",
+ .is_uncore = 1,
+ .id = (char *)"43c03",
+ },
+ .aliases = {
+ &sys_cmn_pmu_hnf_cache_miss,
+ },
+ },
+ {
+ .pmu = {
+ .name = (char *)"uncore_sys_cmn_pmu0",
+ .is_uncore = 1,
+ .id = (char *)"43a01",
+ },
+ .aliases = {
+ &sys_cmn_pmu_hnf_cache_miss,
+ },
+ }
};
/* Test that aliases generated are as expected */
diff --git a/tools/perf/tests/pmu.c b/tools/perf/tests/pmu.c
index eb60e5f668..8f18127d87 100644
--- a/tools/perf/tests/pmu.c
+++ b/tools/perf/tests/pmu.c
@@ -128,30 +128,35 @@ static int test_format_dir_put(char *dir)
return system(buf);
}
-static struct list_head *test_terms_list(void)
+static void add_test_terms(struct parse_events_terms *terms)
{
- static LIST_HEAD(terms);
unsigned int i;
- for (i = 0; i < ARRAY_SIZE(test_terms); i++)
- list_add_tail(&test_terms[i].list, &terms);
+ for (i = 0; i < ARRAY_SIZE(test_terms); i++) {
+ struct parse_events_term *clone;
- return &terms;
+ parse_events_term__clone(&clone, &test_terms[i]);
+ list_add_tail(&clone->list, &terms->terms);
+ }
}
static int test__pmu(struct test_suite *test __maybe_unused, int subtest __maybe_unused)
{
char dir[PATH_MAX];
char *format;
- struct list_head *terms = test_terms_list();
+ struct parse_events_terms terms;
struct perf_event_attr attr;
struct perf_pmu *pmu;
int fd;
int ret;
+ parse_events_terms__init(&terms);
+ add_test_terms(&terms);
pmu = zalloc(sizeof(*pmu));
- if (!pmu)
+ if (!pmu) {
+ parse_events_terms__exit(&terms);
return -ENOMEM;
+ }
INIT_LIST_HEAD(&pmu->format);
INIT_LIST_HEAD(&pmu->aliases);
@@ -159,6 +164,7 @@ static int test__pmu(struct test_suite *test __maybe_unused, int subtest __maybe
format = test_format_dir_get(dir, sizeof(dir));
if (!format) {
free(pmu);
+ parse_events_terms__exit(&terms);
return -EINVAL;
}
@@ -175,7 +181,7 @@ static int test__pmu(struct test_suite *test __maybe_unused, int subtest __maybe
if (ret)
goto out;
- ret = perf_pmu__config_terms(pmu, &attr, terms, /*zero=*/false, /*err=*/NULL);
+ ret = perf_pmu__config_terms(pmu, &attr, &terms, /*zero=*/false, /*err=*/NULL);
if (ret)
goto out;
@@ -191,6 +197,7 @@ static int test__pmu(struct test_suite *test __maybe_unused, int subtest __maybe
out:
test_format_dir_put(format);
perf_pmu__delete(pmu);
+ parse_events_terms__exit(&terms);
return ret;
}
diff --git a/tools/perf/tests/shell/coresight/asm_pure_loop.sh b/tools/perf/tests/shell/coresight/asm_pure_loop.sh
index 779bc8608e..2d65defb7e 100755
--- a/tools/perf/tests/shell/coresight/asm_pure_loop.sh
+++ b/tools/perf/tests/shell/coresight/asm_pure_loop.sh
@@ -5,9 +5,13 @@
# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
TEST="asm_pure_loop"
+
+# shellcheck source=../lib/coresight.sh
. "$(dirname $0)"/../lib/coresight.sh
+
ARGS=""
DATV="out"
+# shellcheck disable=SC2153
DATA="$DATD/perf-$TEST-$DATV.data"
perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
diff --git a/tools/perf/tests/shell/coresight/memcpy_thread_16k_10.sh b/tools/perf/tests/shell/coresight/memcpy_thread_16k_10.sh
index 08a44e52ce..ddcc9bb850 100755
--- a/tools/perf/tests/shell/coresight/memcpy_thread_16k_10.sh
+++ b/tools/perf/tests/shell/coresight/memcpy_thread_16k_10.sh
@@ -5,9 +5,13 @@
# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
TEST="memcpy_thread"
+
+# shellcheck source=../lib/coresight.sh
. "$(dirname $0)"/../lib/coresight.sh
+
ARGS="16 10 1"
DATV="16k_10"
+# shellcheck disable=SC2153
DATA="$DATD/perf-$TEST-$DATV.data"
perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
diff --git a/tools/perf/tests/shell/coresight/thread_loop_check_tid_10.sh b/tools/perf/tests/shell/coresight/thread_loop_check_tid_10.sh
index c83a200ded..2ce5e139b2 100755
--- a/tools/perf/tests/shell/coresight/thread_loop_check_tid_10.sh
+++ b/tools/perf/tests/shell/coresight/thread_loop_check_tid_10.sh
@@ -5,9 +5,13 @@
# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
TEST="thread_loop"
+
+# shellcheck source=../lib/coresight.sh
. "$(dirname $0)"/../lib/coresight.sh
+
ARGS="10 1"
DATV="check-tid-10th"
+# shellcheck disable=SC2153
DATA="$DATD/perf-$TEST-$DATV.data"
STDO="$DATD/perf-$TEST-$DATV.stdout"
diff --git a/tools/perf/tests/shell/coresight/thread_loop_check_tid_2.sh b/tools/perf/tests/shell/coresight/thread_loop_check_tid_2.sh
index 6346fd5e87..3ad9498753 100755
--- a/tools/perf/tests/shell/coresight/thread_loop_check_tid_2.sh
+++ b/tools/perf/tests/shell/coresight/thread_loop_check_tid_2.sh
@@ -5,9 +5,13 @@
# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
TEST="thread_loop"
+
+# shellcheck source=../lib/coresight.sh
. "$(dirname $0)"/../lib/coresight.sh
+
ARGS="2 20"
DATV="check-tid-2th"
+# shellcheck disable=SC2153
DATA="$DATD/perf-$TEST-$DATV.data"
STDO="$DATD/perf-$TEST-$DATV.stdout"
diff --git a/tools/perf/tests/shell/coresight/unroll_loop_thread_10.sh b/tools/perf/tests/shell/coresight/unroll_loop_thread_10.sh
index 7304e3d3a6..4fbb4a29aa 100755
--- a/tools/perf/tests/shell/coresight/unroll_loop_thread_10.sh
+++ b/tools/perf/tests/shell/coresight/unroll_loop_thread_10.sh
@@ -5,9 +5,13 @@
# Carsten Haitzler <carsten.haitzler@arm.com>, 2021
TEST="unroll_loop_thread"
+
+# shellcheck source=../lib/coresight.sh
. "$(dirname $0)"/../lib/coresight.sh
+
ARGS="10"
DATV="10"
+# shellcheck disable=SC2153
DATA="$DATD/perf-$TEST-$DATV.data"
perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS
diff --git a/tools/perf/tests/shell/lib/coresight.sh b/tools/perf/tests/shell/lib/coresight.sh
index 6c3d34ec64..11ed2c25ed 100644
--- a/tools/perf/tests/shell/lib/coresight.sh
+++ b/tools/perf/tests/shell/lib/coresight.sh
@@ -17,6 +17,8 @@ DIR="$TOOLS/$TEST"
BIN="$DIR/$TEST"
# If the test tool/binary does not exist and is executable then skip the test
if ! test -x "$BIN"; then exit 2; fi
+# If CoreSight is not available, skip the test
+perf list cs_etm | grep -q cs_etm || exit 2
DATD="."
# If the data dir env is set then make the data dir use that instead of ./
if test -n "$PERF_TEST_CORESIGHT_DATADIR"; then
diff --git a/tools/perf/tests/shell/lock_contention.sh b/tools/perf/tests/shell/lock_contention.sh
index d120e83db7..c1ec576221 100755
--- a/tools/perf/tests/shell/lock_contention.sh
+++ b/tools/perf/tests/shell/lock_contention.sh
@@ -32,6 +32,13 @@ check() {
err=2
exit
fi
+
+ # shellcheck disable=SC2046
+ if [ `nproc` -lt 4 ]; then
+ echo "[Skip] Low number of CPUs (`nproc`), lock event cannot be triggered certainly"
+ err=2
+ exit
+ fi
}
test_record()
@@ -123,6 +130,24 @@ test_aggr_addr()
fi
}
+test_aggr_cgroup()
+{
+ echo "Testing perf lock contention --lock-cgroup"
+
+ if ! perf lock con -b true > /dev/null 2>&1 ; then
+ echo "[Skip] No BPF support"
+ return
+ fi
+
+ # the perf lock contention output goes to the stderr
+ perf lock con -a -b -g -E 1 -q -- perf bench sched messaging > /dev/null 2> ${result}
+ if [ "$(cat "${result}" | wc -l)" != "1" ]; then
+ echo "[Fail] BPF result count is not 1:" "$(cat "${result}" | wc -l)"
+ err=1
+ exit
+ fi
+}
+
test_type_filter()
{
echo "Testing perf lock contention --type-filter (w/ spinlock)"
@@ -232,6 +257,31 @@ test_aggr_task_stack_filter()
exit
fi
}
+test_cgroup_filter()
+{
+ echo "Testing perf lock contention --cgroup-filter"
+
+ if ! perf lock con -b true > /dev/null 2>&1 ; then
+ echo "[Skip] No BPF support"
+ return
+ fi
+
+ perf lock con -a -b -g -E 1 -F wait_total -q -- perf bench sched messaging > /dev/null 2> ${result}
+ if [ "$(cat "${result}" | wc -l)" != "1" ]; then
+ echo "[Fail] BPF result should have a cgroup result:" "$(cat "${result}")"
+ err=1
+ exit
+ fi
+
+ cgroup=$(cat "${result}" | awk '{ print $3 }')
+ perf lock con -a -b -g -E 1 -G "${cgroup}" -q -- perf bench sched messaging > /dev/null 2> ${result}
+ if [ "$(cat "${result}" | wc -l)" != "1" ]; then
+ echo "[Fail] BPF result should have a result with cgroup filter:" "$(cat "${cgroup}")"
+ err=1
+ exit
+ fi
+}
+
test_csv_output()
{
@@ -275,10 +325,12 @@ test_bpf
test_record_concurrent
test_aggr_task
test_aggr_addr
+test_aggr_cgroup
test_type_filter
test_lock_filter
test_stack_filter
test_aggr_task_stack_filter
+test_cgroup_filter
test_csv_output
exit ${err}
diff --git a/tools/perf/tests/shell/probe_vfs_getname.sh b/tools/perf/tests/shell/probe_vfs_getname.sh
index 871243d6d0..554e12e83c 100755
--- a/tools/perf/tests/shell/probe_vfs_getname.sh
+++ b/tools/perf/tests/shell/probe_vfs_getname.sh
@@ -4,10 +4,12 @@
# SPDX-License-Identifier: GPL-2.0
# Arnaldo Carvalho de Melo <acme@kernel.org>, 2017
+# shellcheck source=lib/probe.sh
. "$(dirname $0)"/lib/probe.sh
skip_if_no_perf_probe || exit 2
+# shellcheck source=lib/probe_vfs_getname.sh
. "$(dirname $0)"/lib/probe_vfs_getname.sh
add_probe_vfs_getname || skip_if_no_debuginfo
diff --git a/tools/perf/tests/shell/record+probe_libc_inet_pton.sh b/tools/perf/tests/shell/record+probe_libc_inet_pton.sh
index 89214a6d99..eebeea6bdc 100755
--- a/tools/perf/tests/shell/record+probe_libc_inet_pton.sh
+++ b/tools/perf/tests/shell/record+probe_libc_inet_pton.sh
@@ -10,7 +10,9 @@
# SPDX-License-Identifier: GPL-2.0
# Arnaldo Carvalho de Melo <acme@kernel.org>, 2017
+# shellcheck source=lib/probe.sh
. "$(dirname "$0")/lib/probe.sh"
+# shellcheck source=lib/probe_vfs_getname.sh
. "$(dirname "$0")/lib/probe_vfs_getname.sh"
libc=$(grep -w libc /proc/self/maps | head -1 | sed -r 's/.*[[:space:]](\/.*)/\1/g')
diff --git a/tools/perf/tests/shell/record+script_probe_vfs_getname.sh b/tools/perf/tests/shell/record+script_probe_vfs_getname.sh
index 7f664f1889..5eedbe29bb 100755
--- a/tools/perf/tests/shell/record+script_probe_vfs_getname.sh
+++ b/tools/perf/tests/shell/record+script_probe_vfs_getname.sh
@@ -9,10 +9,12 @@
# SPDX-License-Identifier: GPL-2.0
# Arnaldo Carvalho de Melo <acme@kernel.org>, 2017
+# shellcheck source=lib/probe.sh
. "$(dirname "$0")/lib/probe.sh"
skip_if_no_perf_probe || exit 2
+# shellcheck source=lib/probe_vfs_getname.sh
. "$(dirname "$0")/lib/probe_vfs_getname.sh"
record_open_file() {
diff --git a/tools/perf/tests/shell/record.sh b/tools/perf/tests/shell/record.sh
index 4fbc74805d..29443b8e88 100755
--- a/tools/perf/tests/shell/record.sh
+++ b/tools/perf/tests/shell/record.sh
@@ -5,6 +5,7 @@
set -e
shelldir=$(dirname "$0")
+# shellcheck source=lib/waiting.sh
. "${shelldir}"/lib/waiting.sh
err=0
diff --git a/tools/perf/tests/shell/record_offcpu.sh b/tools/perf/tests/shell/record_offcpu.sh
index a0d14cd0aa..a1ef8f0d2b 100755
--- a/tools/perf/tests/shell/record_offcpu.sh
+++ b/tools/perf/tests/shell/record_offcpu.sh
@@ -28,7 +28,7 @@ test_offcpu_priv() {
err=2
return
fi
- if perf record --off-cpu -o /dev/null --quiet true 2>&1 | grep BUILD_BPF_SKEL
+ if perf version --build-options 2>&1 | grep HAVE_BPF_SKEL | grep -q OFF
then
echo "off-cpu test [Skipped missing BPF support]"
err=2
diff --git a/tools/perf/tests/shell/record_sideband.sh b/tools/perf/tests/shell/record_sideband.sh
new file mode 100755
index 0000000000..ac70ac27d5
--- /dev/null
+++ b/tools/perf/tests/shell/record_sideband.sh
@@ -0,0 +1,58 @@
+#!/bin/sh
+# perf record sideband tests
+# SPDX-License-Identifier: GPL-2.0
+
+set -e
+
+err=0
+perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
+
+cleanup()
+{
+ rm -rf ${perfdata}
+ trap - EXIT TERM INT
+}
+
+trap_cleanup()
+{
+ cleanup
+ exit 1
+}
+trap trap_cleanup EXIT TERM INT
+
+can_cpu_wide()
+{
+ if ! perf record -o ${perfdata} -BN --no-bpf-event -C $1 true > /dev/null 2>&1
+ then
+ echo "record sideband test [Skipped cannot record cpu$1]"
+ err=2
+ fi
+
+ rm -f ${perfdata}
+ return $err
+}
+
+test_system_wide_tracking()
+{
+ # Need CPU 0 and CPU 1
+ can_cpu_wide 0 || return 0
+ can_cpu_wide 1 || return 0
+
+ # Record on CPU 0 a task running on CPU 1
+ perf record -BN --no-bpf-event -o ${perfdata} -C 0 -- taskset --cpu-list 1 true
+
+ # Should get MMAP events from CPU 1
+ mmap_cnt=`perf script -i ${perfdata} --show-mmap-events -C 1 2>/dev/null | grep MMAP | wc -l`
+
+ if [ ${mmap_cnt} -gt 0 ] ; then
+ return 0
+ fi
+
+ echo "Failed to record MMAP events on CPU 1 when tracing CPU 0"
+ return 1
+}
+
+test_system_wide_tracking
+
+cleanup
+exit $err
diff --git a/tools/perf/tests/shell/script.sh b/tools/perf/tests/shell/script.sh
new file mode 100755
index 0000000000..2973adab44
--- /dev/null
+++ b/tools/perf/tests/shell/script.sh
@@ -0,0 +1,73 @@
+#!/bin/sh
+# perf script tests
+# SPDX-License-Identifier: GPL-2.0
+
+set -e
+
+temp_dir=$(mktemp -d /tmp/perf-test-script.XXXXXXXXXX)
+
+perfdatafile="${temp_dir}/perf.data"
+db_test="${temp_dir}/db_test.py"
+
+err=0
+
+cleanup()
+{
+ trap - EXIT TERM INT
+ sane=$(echo "${temp_dir}" | cut -b 1-21)
+ if [ "${sane}" = "/tmp/perf-test-script" ] ; then
+ echo "--- Cleaning up ---"
+ rm -f "${temp_dir}/"*
+ rmdir "${temp_dir}"
+ fi
+}
+
+trap_cleanup()
+{
+ cleanup
+ exit 1
+}
+
+trap trap_cleanup EXIT TERM INT
+
+
+test_db()
+{
+ echo "DB test"
+
+ # Check if python script is supported
+ libpython=$(perf version --build-options | grep python | grep -cv OFF)
+ if [ "${libpython}" != "1" ] ; then
+ echo "SKIP: python scripting is not supported"
+ err=2
+ return
+ fi
+
+ cat << "_end_of_file_" > "${db_test}"
+perf_db_export_mode = True
+perf_db_export_calls = False
+perf_db_export_callchains = True
+
+def sample_table(*args):
+ print(f'sample_table({args})')
+
+def call_path_table(*args):
+ print(f'call_path_table({args}')
+_end_of_file_
+ case $(uname -m)
+ in s390x)
+ cmd_flags="--call-graph dwarf -e cpu-clock";;
+ *)
+ cmd_flags="-g";;
+ esac
+
+ perf record $cmd_flags -o "${perfdatafile}" true
+ perf script -i "${perfdatafile}" -s "${db_test}"
+ echo "DB test [Success]"
+}
+
+test_db
+
+cleanup
+
+exit $err
diff --git a/tools/perf/tests/shell/stat+csv_output.sh b/tools/perf/tests/shell/stat+csv_output.sh
index d890eb26e9..f1818fa6d9 100755
--- a/tools/perf/tests/shell/stat+csv_output.sh
+++ b/tools/perf/tests/shell/stat+csv_output.sh
@@ -6,6 +6,7 @@
set -e
+# shellcheck source=lib/stat_output.sh
. "$(dirname $0)"/lib/stat_output.sh
csv_sep=@
diff --git a/tools/perf/tests/shell/stat+csv_summary.sh b/tools/perf/tests/shell/stat+csv_summary.sh
index 8bae9c8a83..323123ff4d 100755
--- a/tools/perf/tests/shell/stat+csv_summary.sh
+++ b/tools/perf/tests/shell/stat+csv_summary.sh
@@ -10,7 +10,7 @@ set -e
#
perf stat -e cycles -x' ' -I1000 --interval-count 1 --summary 2>&1 | \
grep -e summary | \
-while read summary _num _event _run _pct
+while read summary _ _ _ _
do
if [ $summary != "summary" ]; then
exit 1
@@ -23,7 +23,7 @@ done
#
perf stat -e cycles -x' ' -I1000 --interval-count 1 --summary --no-csv-summary 2>&1 | \
grep -e summary | \
-while read _num _event _run _pct
+while read _ _ _ _
do
exit 1
done
diff --git a/tools/perf/tests/shell/stat+shadow_stat.sh b/tools/perf/tests/shell/stat+shadow_stat.sh
index a1918a15e3..0c7d79a230 100755
--- a/tools/perf/tests/shell/stat+shadow_stat.sh
+++ b/tools/perf/tests/shell/stat+shadow_stat.sh
@@ -4,6 +4,8 @@
set -e
+THRESHOLD=0.015
+
# skip if system-wide mode is forbidden
perf stat -a true > /dev/null 2>&1 || exit 2
@@ -14,7 +16,7 @@ test_global_aggr()
{
perf stat -a --no-big-num -e cycles,instructions sleep 1 2>&1 | \
grep -e cycles -e instructions | \
- while read num evt _hash ipc rest
+ while read num evt _ ipc rest
do
# skip not counted events
if [ "$num" = "<not" ]; then
@@ -33,10 +35,18 @@ test_global_aggr()
fi
# use printf for rounding and a leading zero
- res=`printf "%.2f" "$(echo "scale=6; $num / $cyc" | bc -q)"`
+ res=`echo $num $cyc | awk '{printf "%.2f", $1 / $2}'`
if [ "$ipc" != "$res" ]; then
- echo "IPC is different: $res != $ipc ($num / $cyc)"
- exit 1
+ # check the difference from the real result for FP imperfections
+ diff=`echo $ipc $res $THRESHOLD | \
+ awk '{x = ($1 - $2) < 0 ? ($2 - $1) : ($1 - $2); print (x > $3)}'`
+
+ if [ $diff -eq 1 ]; then
+ echo "IPC is different: $res != $ipc ($num / $cyc)"
+ exit 1
+ fi
+
+ echo "Warning: Difference of IPC is under the threshold"
fi
done
}
@@ -45,7 +55,7 @@ test_no_aggr()
{
perf stat -a -A --no-big-num -e cycles,instructions sleep 1 2>&1 | \
grep ^CPU | \
- while read cpu num evt _hash ipc rest
+ while read cpu num evt _ ipc rest
do
# skip not counted events
if [ "$num" = "<not" ]; then
@@ -67,10 +77,18 @@ test_no_aggr()
fi
# use printf for rounding and a leading zero
- res=`printf "%.2f" "$(echo "scale=6; $num / $cyc" | bc -q)"`
+ res=`echo $num $cyc | awk '{printf "%.2f", $1 / $2}'`
if [ "$ipc" != "$res" ]; then
- echo "IPC is different for $cpu: $res != $ipc ($num / $cyc)"
- exit 1
+ # check difference from the real result for FP imperfections
+ diff=`echo $ipc $res $THRESHOLD | \
+ awk '{x = ($1 - $2) < 0 ? ($2 - $1) : ($1 - $2); print (x > $3)}'`
+
+ if [ $diff -eq 1 ]; then
+ echo "IPC is different: $res != $ipc ($num / $cyc)"
+ exit 1
+ fi
+
+ echo "Warning: Difference of IPC is under the threshold"
fi
done
}
diff --git a/tools/perf/tests/shell/stat+std_output.sh b/tools/perf/tests/shell/stat+std_output.sh
index fb2b10547a..4fcdd1a914 100755
--- a/tools/perf/tests/shell/stat+std_output.sh
+++ b/tools/perf/tests/shell/stat+std_output.sh
@@ -6,6 +6,7 @@
set -e
+# shellcheck source=lib/stat_output.sh
. "$(dirname $0)"/lib/stat_output.sh
stat_output=$(mktemp /tmp/__perf_test.stat_output.std.XXXXX)
diff --git a/tools/perf/tests/shell/stat_all_metricgroups.sh b/tools/perf/tests/shell/stat_all_metricgroups.sh
index cb35e48880..55ef9c9ded 100755
--- a/tools/perf/tests/shell/stat_all_metricgroups.sh
+++ b/tools/perf/tests/shell/stat_all_metricgroups.sh
@@ -4,9 +4,21 @@
set -e
-for m in $(perf list --raw-dump metricgroups); do
+ParanoidAndNotRoot()
+{
+ [ "$(id -u)" != 0 ] && [ "$(cat /proc/sys/kernel/perf_event_paranoid)" -gt $1 ]
+}
+
+system_wide_flag="-a"
+if ParanoidAndNotRoot 0
+then
+ system_wide_flag=""
+fi
+
+for m in $(perf list --raw-dump metricgroups)
+do
echo "Testing $m"
- perf stat -M "$m" -a true
+ perf stat -M "$m" $system_wide_flag sleep 0.01
done
exit 0
diff --git a/tools/perf/tests/shell/test_arm_coresight.sh b/tools/perf/tests/shell/test_arm_coresight.sh
index f1bf562116..65dd852071 100755
--- a/tools/perf/tests/shell/test_arm_coresight.sh
+++ b/tools/perf/tests/shell/test_arm_coresight.sh
@@ -136,7 +136,9 @@ arm_cs_iterate_devices() {
arm_cs_etm_traverse_path_test() {
# Iterate for every ETM device
- for dev in /sys/bus/coresight/devices/etm*; do
+ for dev in /sys/bus/event_source/devices/cs_etm/cpu*; do
+ # Canonicalize the path
+ dev=`readlink -f $dev`
# Find the ETM device belonging to which CPU
cpu=`cat $dev/cpu`
diff --git a/tools/perf/tests/shell/test_intel_pt.sh b/tools/perf/tests/shell/test_intel_pt.sh
index 3a8b9bffa0..723ec501f9 100755
--- a/tools/perf/tests/shell/test_intel_pt.sh
+++ b/tools/perf/tests/shell/test_intel_pt.sh
@@ -8,6 +8,7 @@ set -e
perf list | grep -q 'intel_pt//' || exit 2
shelldir=$(dirname "$0")
+# shellcheck source=lib/waiting.sh
. "${shelldir}"/lib/waiting.sh
skip_cnt=0
diff --git a/tools/perf/tests/shell/trace+probe_vfs_getname.sh b/tools/perf/tests/shell/trace+probe_vfs_getname.sh
index 4014487cf4..3146a1eece 100755
--- a/tools/perf/tests/shell/trace+probe_vfs_getname.sh
+++ b/tools/perf/tests/shell/trace+probe_vfs_getname.sh
@@ -10,6 +10,7 @@
# SPDX-License-Identifier: GPL-2.0
# Arnaldo Carvalho de Melo <acme@kernel.org>, 2017
+# shellcheck source=lib/probe.sh
. "$(dirname $0)"/lib/probe.sh
skip_if_no_perf_probe || exit 2
diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h
index f33cfc3c19..b394f3ac2d 100644
--- a/tools/perf/tests/tests.h
+++ b/tools/perf/tests/tests.h
@@ -145,6 +145,7 @@ DECLARE_SUITE(dlfilter);
DECLARE_SUITE(sigtrap);
DECLARE_SUITE(event_groups);
DECLARE_SUITE(symbols);
+DECLARE_SUITE(util);
/*
* PowerPC and S390 do not support creation of instruction breakpoints using the
diff --git a/tools/perf/tests/thread-maps-share.c b/tools/perf/tests/thread-maps-share.c
index faf980b262..7fa6f7c568 100644
--- a/tools/perf/tests/thread-maps-share.c
+++ b/tools/perf/tests/thread-maps-share.c
@@ -46,9 +46,9 @@ static int test__thread_maps_share(struct test_suite *test __maybe_unused, int s
TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(maps__refcnt(maps)), 4);
/* test the maps pointer is shared */
- TEST_ASSERT_VAL("maps don't match", RC_CHK_ACCESS(maps) == RC_CHK_ACCESS(thread__maps(t1)));
- TEST_ASSERT_VAL("maps don't match", RC_CHK_ACCESS(maps) == RC_CHK_ACCESS(thread__maps(t2)));
- TEST_ASSERT_VAL("maps don't match", RC_CHK_ACCESS(maps) == RC_CHK_ACCESS(thread__maps(t3)));
+ TEST_ASSERT_VAL("maps don't match", RC_CHK_EQUAL(maps, thread__maps(t1)));
+ TEST_ASSERT_VAL("maps don't match", RC_CHK_EQUAL(maps, thread__maps(t2)));
+ TEST_ASSERT_VAL("maps don't match", RC_CHK_EQUAL(maps, thread__maps(t3)));
/*
* Verify the other leader was created by previous call.
@@ -73,8 +73,7 @@ static int test__thread_maps_share(struct test_suite *test __maybe_unused, int s
other_maps = thread__maps(other);
TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(maps__refcnt(other_maps)), 2);
- TEST_ASSERT_VAL("maps don't match", RC_CHK_ACCESS(other_maps) ==
- RC_CHK_ACCESS(thread__maps(other_leader)));
+ TEST_ASSERT_VAL("maps don't match", RC_CHK_EQUAL(other_maps, thread__maps(other_leader)));
/* release thread group */
thread__put(t3);
diff --git a/tools/perf/tests/util.c b/tools/perf/tests/util.c
new file mode 100644
index 0000000000..6366db5cbf
--- /dev/null
+++ b/tools/perf/tests/util.c
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "tests.h"
+#include "util/debug.h"
+
+#include <linux/compiler.h>
+#include <stdlib.h>
+#include <string2.h>
+
+static int test_strreplace(char needle, const char *haystack,
+ const char *replace, const char *expected)
+{
+ char *new = strreplace_chars(needle, haystack, replace);
+ int ret = strcmp(new, expected);
+
+ free(new);
+ return ret == 0;
+}
+
+static int test__util(struct test_suite *t __maybe_unused, int subtest __maybe_unused)
+{
+ TEST_ASSERT_VAL("empty string", test_strreplace(' ', "", "123", ""));
+ TEST_ASSERT_VAL("no match", test_strreplace('5', "123", "4", "123"));
+ TEST_ASSERT_VAL("replace 1", test_strreplace('3', "123", "4", "124"));
+ TEST_ASSERT_VAL("replace 2", test_strreplace('a', "abcabc", "ef", "efbcefbc"));
+ TEST_ASSERT_VAL("replace long", test_strreplace('a', "abcabc", "longlong",
+ "longlongbclonglongbc"));
+
+ return 0;
+}
+
+DEFINE_SUITE("util", util);