| Message ID | 20240907050830.6752-14-irogers@google.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Tool and hwmon PMUs | expand |
On Fri, Sep 06, 2024 at 10:08:28PM -0700, Ian Rogers wrote: > Ensure parsing with and without PMU creates events with the expected > config values. This ensures the tool.json doesn't get out of sync with > tool_pmu_event enum. > > Signed-off-by: Ian Rogers <irogers@google.com> > --- > tools/perf/tests/Build | 1 + > tools/perf/tests/builtin-test.c | 1 + > tools/perf/tests/tests.h | 1 + > tools/perf/tests/tool_pmu.c | 111 ++++++++++++++++++++++++++++++++ > 4 files changed, 114 insertions(+) > create mode 100644 tools/perf/tests/tool_pmu.c > > diff --git a/tools/perf/tests/Build b/tools/perf/tests/Build > index 5671ee530019..a771e4928247 100644 > --- a/tools/perf/tests/Build > +++ b/tools/perf/tests/Build > @@ -67,6 +67,7 @@ perf-test-y += sigtrap.o > perf-test-y += event_groups.o > perf-test-y += symbols.o > perf-test-y += util.o > +perf-test-y += tool_pmu.o > > ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc)) > perf-test-$(CONFIG_DWARF_UNWIND) += dwarf-unwind.o > diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c > index 470a9709427d..3b30f258c395 100644 > --- a/tools/perf/tests/builtin-test.c > +++ b/tools/perf/tests/builtin-test.c > @@ -73,6 +73,7 @@ static struct test_suite *generic_tests[] = { > &suite__PERF_RECORD, > &suite__pmu, > &suite__pmu_events, > + &suite__tool_pmu, > &suite__dso_data, > &suite__perf_evsel__roundtrip_name_test, > #ifdef HAVE_LIBTRACEEVENT > diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h > index 6ea2be86b7bf..1ed76d4156b6 100644 > --- a/tools/perf/tests/tests.h > +++ b/tools/perf/tests/tests.h > @@ -83,6 +83,7 @@ DECLARE_SUITE(perf_evsel__tp_sched_test); > DECLARE_SUITE(syscall_openat_tp_fields); > DECLARE_SUITE(pmu); > DECLARE_SUITE(pmu_events); > +DECLARE_SUITE(tool_pmu); > DECLARE_SUITE(attr); > DECLARE_SUITE(dso_data); > DECLARE_SUITE(dso_data_cache); > diff --git a/tools/perf/tests/tool_pmu.c b/tools/perf/tests/tool_pmu.c > new file mode 100644 > index 000000000000..94d0dd8fd3cb > --- /dev/null > +++ b/tools/perf/tests/tool_pmu.c > @@ -0,0 +1,111 @@ > +// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) > +#include "debug.h" > +#include "evlist.h" > +#include "parse-events.h" > +#include "tests.h" > +#include "tool_pmu.h" > + > +static int do_test(enum tool_pmu_event ev, bool with_pmu) > +{ > + struct evlist *evlist = evlist__new(); > + struct evsel *evsel; > + struct parse_events_error err; > + int ret; > + char str[128]; > + bool found = false; > + > + if (!evlist) { > + pr_err("evlist allocation failed\n"); > + return TEST_FAIL; > + } > + > + if (with_pmu) > + snprintf(str, sizeof(str), "tool/%s/", tool_pmu__event_to_str(ev)); > + else > + strncpy(str, tool_pmu__event_to_str(ev), sizeof(str)); > + > + parse_events_error__init(&err); > + ret = parse_events(evlist, str, &err); > + if (ret) { > + evlist__delete(evlist); > + if (tool_pmu__skip_event(tool_pmu__event_to_str(ev))) { > + ret = TEST_OK; > + goto out; > + } > + > + pr_debug("FAILED %s:%d failed to parse event '%s', err %d\n", > + __FILE__, __LINE__, str, ret); > + parse_events_error__print(&err, str); > + ret = TEST_FAIL; > + goto out; > + } > + > + ret = TEST_OK; > + if (with_pmu ? (evlist->core.nr_entries != 1) : (evlist->core.nr_entries < 1)) { > + pr_debug("FAILED %s:%d Unexpected number of events for '%s' of %d\n", > + __FILE__, __LINE__, str, evlist->core.nr_entries); > + ret = TEST_FAIL; > + goto out; > + } > + > + evlist__for_each_entry(evlist, evsel) { > + if (perf_pmu__is_tool(evsel->pmu)) { > + if (evsel->core.attr.config != ev) { > + pr_debug("FAILED %s:%d Unexpected config for '%s', %lld != %d\n", > + __FILE__, __LINE__, str, evsel->core.attr.config, ev); > + ret = TEST_FAIL; > + goto out; > + } > + found = true; > + } > + } > + > + if (!found && !tool_pmu__skip_event(tool_pmu__event_to_str(ev))) { > + pr_debug("FAILED %s:%d Didn't find tool event '%s' in parsed evsels\n", > + __FILE__, __LINE__, str); > + ret = TEST_FAIL; > + } > + > +out: > + evlist__delete(evlist); > + return ret; > +} > + > +static int test__tool_pmu_without_pmu(struct test_suite *test __maybe_unused, > + int subtest __maybe_unused) > +{ > + int i; > + > + tool_pmu__for_each_event(i) { > + int ret = do_test(i, /*with_pmu=*/false); > + > + if (ret != TEST_OK) > + return ret; > + } > + return TEST_OK; > +} > + > +static int test__tool_pmu_with_pmu(struct test_suite *test __maybe_unused, > + int subtest __maybe_unused) > +{ > + int i; > + > + tool_pmu__for_each_event(i) { > + int ret = do_test(i, /*with_pmu=*/true); > + > + if (ret != TEST_OK) > + return ret; > + } > + return TEST_OK; > +} > + > +static struct test_case tests__tool_pmu[] = { > + TEST_CASE("Parsing without PMU name", tool_pmu_without_pmu), > + TEST_CASE("Parsing with PMU name", tool_pmu_with_pmu), > + { .name = NULL, } An unusual indentation. Thanks, Namhyung > +}; > + > +struct test_suite suite__tool_pmu = { > + .desc = "Tool PMU", > + .test_cases = tests__tool_pmu, > +}; > -- > 2.46.0.469.g59c65b2a67-goog >
On Mon, Sep 9, 2024 at 10:50 PM Namhyung Kim <namhyung@kernel.org> wrote: > > On Fri, Sep 06, 2024 at 10:08:28PM -0700, Ian Rogers wrote: > > Ensure parsing with and without PMU creates events with the expected > > config values. This ensures the tool.json doesn't get out of sync with > > tool_pmu_event enum. > > > > Signed-off-by: Ian Rogers <irogers@google.com> > > --- > > tools/perf/tests/Build | 1 + > > tools/perf/tests/builtin-test.c | 1 + > > tools/perf/tests/tests.h | 1 + > > tools/perf/tests/tool_pmu.c | 111 ++++++++++++++++++++++++++++++++ > > 4 files changed, 114 insertions(+) > > create mode 100644 tools/perf/tests/tool_pmu.c > > > > diff --git a/tools/perf/tests/Build b/tools/perf/tests/Build > > index 5671ee530019..a771e4928247 100644 > > --- a/tools/perf/tests/Build > > +++ b/tools/perf/tests/Build > > @@ -67,6 +67,7 @@ perf-test-y += sigtrap.o > > perf-test-y += event_groups.o > > perf-test-y += symbols.o > > perf-test-y += util.o > > +perf-test-y += tool_pmu.o > > > > ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc)) > > perf-test-$(CONFIG_DWARF_UNWIND) += dwarf-unwind.o > > diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c > > index 470a9709427d..3b30f258c395 100644 > > --- a/tools/perf/tests/builtin-test.c > > +++ b/tools/perf/tests/builtin-test.c > > @@ -73,6 +73,7 @@ static struct test_suite *generic_tests[] = { > > &suite__PERF_RECORD, > > &suite__pmu, > > &suite__pmu_events, > > + &suite__tool_pmu, > > &suite__dso_data, > > &suite__perf_evsel__roundtrip_name_test, > > #ifdef HAVE_LIBTRACEEVENT > > diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h > > index 6ea2be86b7bf..1ed76d4156b6 100644 > > --- a/tools/perf/tests/tests.h > > +++ b/tools/perf/tests/tests.h > > @@ -83,6 +83,7 @@ DECLARE_SUITE(perf_evsel__tp_sched_test); > > DECLARE_SUITE(syscall_openat_tp_fields); > > DECLARE_SUITE(pmu); > > DECLARE_SUITE(pmu_events); > > +DECLARE_SUITE(tool_pmu); > > DECLARE_SUITE(attr); > > DECLARE_SUITE(dso_data); > > DECLARE_SUITE(dso_data_cache); > > diff --git a/tools/perf/tests/tool_pmu.c b/tools/perf/tests/tool_pmu.c > > new file mode 100644 > > index 000000000000..94d0dd8fd3cb > > --- /dev/null > > +++ b/tools/perf/tests/tool_pmu.c > > @@ -0,0 +1,111 @@ > > +// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) > > +#include "debug.h" > > +#include "evlist.h" > > +#include "parse-events.h" > > +#include "tests.h" > > +#include "tool_pmu.h" > > + > > +static int do_test(enum tool_pmu_event ev, bool with_pmu) > > +{ > > + struct evlist *evlist = evlist__new(); > > + struct evsel *evsel; > > + struct parse_events_error err; > > + int ret; > > + char str[128]; > > + bool found = false; > > + > > + if (!evlist) { > > + pr_err("evlist allocation failed\n"); > > + return TEST_FAIL; > > + } > > + > > + if (with_pmu) > > + snprintf(str, sizeof(str), "tool/%s/", tool_pmu__event_to_str(ev)); > > + else > > + strncpy(str, tool_pmu__event_to_str(ev), sizeof(str)); > > + > > + parse_events_error__init(&err); > > + ret = parse_events(evlist, str, &err); > > + if (ret) { > > + evlist__delete(evlist); > > + if (tool_pmu__skip_event(tool_pmu__event_to_str(ev))) { > > + ret = TEST_OK; > > + goto out; > > + } > > + > > + pr_debug("FAILED %s:%d failed to parse event '%s', err %d\n", > > + __FILE__, __LINE__, str, ret); > > + parse_events_error__print(&err, str); > > + ret = TEST_FAIL; > > + goto out; > > + } > > + > > + ret = TEST_OK; > > + if (with_pmu ? (evlist->core.nr_entries != 1) : (evlist->core.nr_entries < 1)) { > > + pr_debug("FAILED %s:%d Unexpected number of events for '%s' of %d\n", > > + __FILE__, __LINE__, str, evlist->core.nr_entries); > > + ret = TEST_FAIL; > > + goto out; > > + } > > + > > + evlist__for_each_entry(evlist, evsel) { > > + if (perf_pmu__is_tool(evsel->pmu)) { > > + if (evsel->core.attr.config != ev) { > > + pr_debug("FAILED %s:%d Unexpected config for '%s', %lld != %d\n", > > + __FILE__, __LINE__, str, evsel->core.attr.config, ev); > > + ret = TEST_FAIL; > > + goto out; > > + } > > + found = true; > > + } > > + } > > + > > + if (!found && !tool_pmu__skip_event(tool_pmu__event_to_str(ev))) { > > + pr_debug("FAILED %s:%d Didn't find tool event '%s' in parsed evsels\n", > > + __FILE__, __LINE__, str); > > + ret = TEST_FAIL; > > + } > > + > > +out: > > + evlist__delete(evlist); > > + return ret; > > +} > > + > > +static int test__tool_pmu_without_pmu(struct test_suite *test __maybe_unused, > > + int subtest __maybe_unused) > > +{ > > + int i; > > + > > + tool_pmu__for_each_event(i) { > > + int ret = do_test(i, /*with_pmu=*/false); > > + > > + if (ret != TEST_OK) > > + return ret; > > + } > > + return TEST_OK; > > +} > > + > > +static int test__tool_pmu_with_pmu(struct test_suite *test __maybe_unused, > > + int subtest __maybe_unused) > > +{ > > + int i; > > + > > + tool_pmu__for_each_event(i) { > > + int ret = do_test(i, /*with_pmu=*/true); > > + > > + if (ret != TEST_OK) > > + return ret; > > + } > > + return TEST_OK; > > +} > > + > > +static struct test_case tests__tool_pmu[] = { > > + TEST_CASE("Parsing without PMU name", tool_pmu_without_pmu), > > + TEST_CASE("Parsing with PMU name", tool_pmu_with_pmu), > > + { .name = NULL, } > > An unusual indentation. Agreed. It matches the other tests though: https://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools-next.git/tree/tools/perf/tests/mmap-basic.c?h=perf-tools-next#n303 https://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools-next.git/tree/tools/perf/tests/pmu.c?h=perf-tools-next#n539 https://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools-next.git/tree/tools/perf/tests/parse-events.c?h=perf-tools-next#n2876 Thanks, Ian > Thanks, > Namhyung > > > > +}; > > + > > +struct test_suite suite__tool_pmu = { > > + .desc = "Tool PMU", > > + .test_cases = tests__tool_pmu, > > +}; > > -- > > 2.46.0.469.g59c65b2a67-goog > >
diff --git a/tools/perf/tests/Build b/tools/perf/tests/Build index 5671ee530019..a771e4928247 100644 --- a/tools/perf/tests/Build +++ b/tools/perf/tests/Build @@ -67,6 +67,7 @@ perf-test-y += sigtrap.o perf-test-y += event_groups.o perf-test-y += symbols.o perf-test-y += util.o +perf-test-y += tool_pmu.o ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc)) perf-test-$(CONFIG_DWARF_UNWIND) += dwarf-unwind.o diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index 470a9709427d..3b30f258c395 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -73,6 +73,7 @@ static struct test_suite *generic_tests[] = { &suite__PERF_RECORD, &suite__pmu, &suite__pmu_events, + &suite__tool_pmu, &suite__dso_data, &suite__perf_evsel__roundtrip_name_test, #ifdef HAVE_LIBTRACEEVENT diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h index 6ea2be86b7bf..1ed76d4156b6 100644 --- a/tools/perf/tests/tests.h +++ b/tools/perf/tests/tests.h @@ -83,6 +83,7 @@ DECLARE_SUITE(perf_evsel__tp_sched_test); DECLARE_SUITE(syscall_openat_tp_fields); DECLARE_SUITE(pmu); DECLARE_SUITE(pmu_events); +DECLARE_SUITE(tool_pmu); DECLARE_SUITE(attr); DECLARE_SUITE(dso_data); DECLARE_SUITE(dso_data_cache); diff --git a/tools/perf/tests/tool_pmu.c b/tools/perf/tests/tool_pmu.c new file mode 100644 index 000000000000..94d0dd8fd3cb --- /dev/null +++ b/tools/perf/tests/tool_pmu.c @@ -0,0 +1,111 @@ +// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) +#include "debug.h" +#include "evlist.h" +#include "parse-events.h" +#include "tests.h" +#include "tool_pmu.h" + +static int do_test(enum tool_pmu_event ev, bool with_pmu) +{ + struct evlist *evlist = evlist__new(); + struct evsel *evsel; + struct parse_events_error err; + int ret; + char str[128]; + bool found = false; + + if (!evlist) { + pr_err("evlist allocation failed\n"); + return TEST_FAIL; + } + + if (with_pmu) + snprintf(str, sizeof(str), "tool/%s/", tool_pmu__event_to_str(ev)); + else + strncpy(str, tool_pmu__event_to_str(ev), sizeof(str)); + + parse_events_error__init(&err); + ret = parse_events(evlist, str, &err); + if (ret) { + evlist__delete(evlist); + if (tool_pmu__skip_event(tool_pmu__event_to_str(ev))) { + ret = TEST_OK; + goto out; + } + + pr_debug("FAILED %s:%d failed to parse event '%s', err %d\n", + __FILE__, __LINE__, str, ret); + parse_events_error__print(&err, str); + ret = TEST_FAIL; + goto out; + } + + ret = TEST_OK; + if (with_pmu ? (evlist->core.nr_entries != 1) : (evlist->core.nr_entries < 1)) { + pr_debug("FAILED %s:%d Unexpected number of events for '%s' of %d\n", + __FILE__, __LINE__, str, evlist->core.nr_entries); + ret = TEST_FAIL; + goto out; + } + + evlist__for_each_entry(evlist, evsel) { + if (perf_pmu__is_tool(evsel->pmu)) { + if (evsel->core.attr.config != ev) { + pr_debug("FAILED %s:%d Unexpected config for '%s', %lld != %d\n", + __FILE__, __LINE__, str, evsel->core.attr.config, ev); + ret = TEST_FAIL; + goto out; + } + found = true; + } + } + + if (!found && !tool_pmu__skip_event(tool_pmu__event_to_str(ev))) { + pr_debug("FAILED %s:%d Didn't find tool event '%s' in parsed evsels\n", + __FILE__, __LINE__, str); + ret = TEST_FAIL; + } + +out: + evlist__delete(evlist); + return ret; +} + +static int test__tool_pmu_without_pmu(struct test_suite *test __maybe_unused, + int subtest __maybe_unused) +{ + int i; + + tool_pmu__for_each_event(i) { + int ret = do_test(i, /*with_pmu=*/false); + + if (ret != TEST_OK) + return ret; + } + return TEST_OK; +} + +static int test__tool_pmu_with_pmu(struct test_suite *test __maybe_unused, + int subtest __maybe_unused) +{ + int i; + + tool_pmu__for_each_event(i) { + int ret = do_test(i, /*with_pmu=*/true); + + if (ret != TEST_OK) + return ret; + } + return TEST_OK; +} + +static struct test_case tests__tool_pmu[] = { + TEST_CASE("Parsing without PMU name", tool_pmu_without_pmu), + TEST_CASE("Parsing with PMU name", tool_pmu_with_pmu), + { .name = NULL, } +}; + +struct test_suite suite__tool_pmu = { + .desc = "Tool PMU", + .test_cases = tests__tool_pmu, +};
Ensure parsing with and without PMU creates events with the expected config values. This ensures the tool.json doesn't get out of sync with tool_pmu_event enum. Signed-off-by: Ian Rogers <irogers@google.com> --- tools/perf/tests/Build | 1 + tools/perf/tests/builtin-test.c | 1 + tools/perf/tests/tests.h | 1 + tools/perf/tests/tool_pmu.c | 111 ++++++++++++++++++++++++++++++++ 4 files changed, 114 insertions(+) create mode 100644 tools/perf/tests/tool_pmu.c