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Date: Wed, 1 May 2013 17:15:44 +0200
From: Jiri Olsa <jolsa@...hat.com>
To: linux-kernel@...r.kernel.org
Cc: Jiri Olsa <jolsa@...hat.com>,
Arnaldo Carvalho de Melo <acme@...hat.com>,
Namhyung Kim <namhyung@...nel.org>,
Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
Frederic Weisbecker <fweisbec@...il.com>,
Ingo Molnar <mingo@...e.hu>, Paul Mackerras <paulus@...ba.org>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Andi Kleen <andi@...stfloor.org>,
David Ahern <dsahern@...il.com>,
Ulrich Drepper <drepper@...il.com>,
Will Deacon <will.deacon@....com>,
Stephane Eranian <eranian@...gle.com>
Subject: [PATCH 6/8] perf tests: Add automated tests for formula object
Adding automated tests to test basic formula
object definitions and interface.
Signed-off-by: Jiri Olsa <jolsa@...hat.com>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Corey Ashford <cjashfor@...ux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Ingo Molnar <mingo@...e.hu>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Andi Kleen <andi@...stfloor.org>
Cc: David Ahern <dsahern@...il.com>
Cc: Ulrich Drepper <drepper@...il.com>
Cc: Will Deacon <will.deacon@....com>
Cc: Stephane Eranian <eranian@...gle.com>
---
tools/perf/Makefile | 1 +
tools/perf/tests/builtin-test.c | 4 +
tools/perf/tests/formula.c | 183 ++++++++++++++++++++++++++++++++++++++++
tools/perf/tests/parse-events.c | 8 --
tools/perf/tests/tests.h | 10 +++
5 files changed, 198 insertions(+), 8 deletions(-)
create mode 100644 tools/perf/tests/formula.c
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index c35bb7f..aac10d0 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -532,6 +532,7 @@ LIB_OBJS += $(OUTPUT)tests/bp_signal.o
LIB_OBJS += $(OUTPUT)tests/bp_signal_overflow.o
LIB_OBJS += $(OUTPUT)tests/task-exit.o
LIB_OBJS += $(OUTPUT)tests/sw-clock.o
+LIB_OBJS += $(OUTPUT)tests/formula.o
BUILTIN_OBJS += $(OUTPUT)builtin-annotate.o
BUILTIN_OBJS += $(OUTPUT)builtin-bench.o
diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
index 0918ada..8c48adf 100644
--- a/tools/perf/tests/builtin-test.c
+++ b/tools/perf/tests/builtin-test.c
@@ -94,6 +94,10 @@ static struct test {
.func = test__sw_clock_freq,
},
{
+ .desc = "Test formula interface",
+ .func = test__formula,
+ },
+ {
.func = NULL,
},
};
diff --git a/tools/perf/tests/formula.c b/tools/perf/tests/formula.c
new file mode 100644
index 0000000..db2e71c
--- /dev/null
+++ b/tools/perf/tests/formula.c
@@ -0,0 +1,183 @@
+
+#include <linux/kernel.h>
+#include <linux/compiler.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "tests.h"
+#include "formula.h"
+#include "evlist.h"
+#include "evsel.h"
+
+static void file_put(const char *file)
+{
+ unlink(file);
+}
+
+static char *file_get(const char *data, size_t size)
+{
+ char file[] = "/tmp/perf-tests-formula-XXXXXX";
+ bool failed = false;
+ int fd;
+
+ fd = mkstemp(file);
+ if (fd < 0) {
+ pr_debug("failed to create temp file\n");
+ return NULL;
+ }
+
+ if (size != (size_t) write(fd, data, size))
+ failed = true;
+
+ close(fd);
+
+ if (failed)
+ file_put(file);
+
+ return failed ? NULL : file;
+}
+
+static int __test_basics(char *file)
+{
+ struct perf_formula fml;
+ struct perf_formula_set *set;
+ struct perf_formula_counter *counter;
+ struct perf_evlist *evlist;
+ struct perf_evsel *evsel;
+ struct perf_counts *counts;
+ struct perf_formula_expr expr;
+ int ret;
+
+ pr_debug("file %s\n", file);
+
+ perf_formula__init(&fml);
+
+ ret = perf_formula__load(&fml, file);
+ TEST_ASSERT_VAL("failed to load formula", !ret);
+
+ set = perf_formula__set(&fml, (char *) "set");
+ TEST_ASSERT_VAL("failed to load set", set);
+ TEST_ASSERT_VAL("wrong set name", !strcmp(set->name, "set"));
+
+ evlist = perf_evlist__new();
+ TEST_ASSERT_VAL("failed to create evlist", evlist);
+
+ ret = perf_formula__evlist(&fml, set, evlist);
+ TEST_ASSERT_VAL("failed to load evlist with set", !ret);
+
+ evsel = perf_evlist__first(evlist);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+
+ ret = perf_evsel__alloc_counts(evsel, 1);
+ TEST_ASSERT_VAL("failed to alloc coiunts for evsel", !ret);
+
+ counts = evsel->counts;
+ counts->aggr.val = 1000;
+
+ evsel = perf_evsel__next(evsel);
+ TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);
+ TEST_ASSERT_VAL("wrong config",
+ PERF_COUNT_HW_INSTRUCTIONS == evsel->attr.config);
+ TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);
+ TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);
+ TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);
+ TEST_ASSERT_VAL("wrong exclude guest", !evsel->attr.exclude_guest);
+ TEST_ASSERT_VAL("wrong exclude host", !evsel->attr.exclude_host);
+ TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);
+
+ ret = perf_evsel__alloc_counts(evsel, 1);
+ TEST_ASSERT_VAL("failed to alloc coiunts for evsel", !ret);
+
+ counts = evsel->counts;
+ counts->aggr.val = 500;
+
+ memset(&expr, 0x0, sizeof(expr));
+ expr.set = set;
+ expr.evlist = evlist;
+
+ perf_formula__eval(&fml, set, &expr);
+
+ counter = list_first_entry(&set->head_counters,
+ struct perf_formula_counter,
+ list);
+ TEST_ASSERT_VAL("failed to calculated the counter", !ret);
+ TEST_ASSERT_VAL("wrong counter final value", counter->result == 4.5);
+
+ counter = list_entry(counter->list.next,
+ struct perf_formula_counter,
+ list);
+ TEST_ASSERT_VAL("failed to calculated the counter", !ret);
+ TEST_ASSERT_VAL("wrong counter final value", counter->result == 2);
+
+ perf_formula__free(&fml);
+ return 0;
+}
+
+static int test_basics(void)
+{
+ int ret;
+ char *file;
+ char data[] =
+" \n\
+set { \n\
+ events { \n\
+ CY = cycles:u \n\
+ IN = instructions:u \n\
+ } \n\
+ \n\
+ t = -IN / 1000 + 5 \n\
+ cpi = CY / -((t - 5) * 1000) \n\
+ \n\
+ print cpi \n\
+} \n\
+";
+
+ file = file_get(data, sizeof(data));
+ TEST_ASSERT_VAL("failed to get data file", file);
+
+ ret = __test_basics(file);
+
+ file_put(file);
+ return ret;
+}
+
+typedef int (*fn_t)(void);
+
+struct formula_test {
+ const char *desc;
+ fn_t fn;
+} tests[] = {
+ {
+ .desc = "basics",
+ .fn = test_basics,
+ },
+ {
+ .desc = NULL,
+ .fn = NULL,
+ },
+};
+
+
+int test__formula(void)
+{
+ struct formula_test *t = &tests[0];
+ int ret = 0;
+
+ while (t->desc) {
+ pr_debug("test: %s\n", t->desc);
+
+ if (t->fn())
+ ret = -1;
+
+ t++;
+ }
+
+ return ret;
+}
diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c
index 88e2f44..91a0004 100644
--- a/tools/perf/tests/parse-events.c
+++ b/tools/perf/tests/parse-events.c
@@ -7,14 +7,6 @@
#include "tests.h"
#include <linux/hw_breakpoint.h>
-#define TEST_ASSERT_VAL(text, cond) \
-do { \
- if (!(cond)) { \
- pr_debug("FAILED %s:%d %s\n", __FILE__, __LINE__, text); \
- return -1; \
- } \
-} while (0)
-
#define PERF_TP_SAMPLE_TYPE (PERF_SAMPLE_RAW | PERF_SAMPLE_TIME | \
PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD)
diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h
index dd7feae..c3e3cea 100644
--- a/tools/perf/tests/tests.h
+++ b/tools/perf/tests/tests.h
@@ -7,6 +7,15 @@ enum {
TEST_SKIP = -2,
};
+#define TEST_ASSERT_VAL(text, cond) \
+do { \
+ if (!(cond)) { \
+ pr_debug("FAILED %s:%d %s\n", __FILE__, __LINE__, text); \
+ return -1; \
+ } \
+} while (0)
+
+
/* Tests */
int test__vmlinux_matches_kallsyms(void);
int test__open_syscall_event(void);
@@ -27,5 +36,6 @@ int test__bp_signal(void);
int test__bp_signal_overflow(void);
int test__task_exit(void);
int test__sw_clock_freq(void);
+int test__formula(void);
#endif /* TESTS_H */
--
1.7.11.7
--
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