From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754254AbbA2IP6 (ORCPT ); Thu, 29 Jan 2015 03:15:58 -0500 Received: from LGEMRELSE6Q.lge.com ([156.147.1.121]:51451 "EHLO lgemrelse6q.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753242AbbA2IKP (ORCPT ); Thu, 29 Jan 2015 03:10:15 -0500 X-Original-SENDERIP: 10.177.220.203 X-Original-MAILFROM: namhyung@kernel.org From: Namhyung Kim To: Arnaldo Carvalho de Melo Cc: Ingo Molnar , Peter Zijlstra , Jiri Olsa , LKML , David Ahern , Adrian Hunter , Andi Kleen , Stephane Eranian , Frederic Weisbecker Subject: [PATCH 26/42] perf tools: Add a test case for timed map groups handling Date: Thu, 29 Jan 2015 17:07:07 +0900 Message-Id: <1422518843-25818-27-git-send-email-namhyung@kernel.org> X-Mailer: git-send-email 2.2.2 In-Reply-To: <1422518843-25818-1-git-send-email-namhyung@kernel.org> References: <1422518843-25818-1-git-send-email-namhyung@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org A test case for verifying thread->mg and ->mg_list handling during time change and new thread__find_addr_map_time() and friends. Cc: Frederic Weisbecker Signed-off-by: Namhyung Kim --- tools/perf/Makefile.perf | 1 + tools/perf/tests/builtin-test.c | 4 ++ tools/perf/tests/tests.h | 1 + tools/perf/tests/thread-mg-time.c | 88 +++++++++++++++++++++++++++++++++++++++ 4 files changed, 94 insertions(+) create mode 100644 tools/perf/tests/thread-mg-time.c diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 8bb35ee91fd5..2f8c8b918cac 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -460,6 +460,7 @@ LIB_OBJS += $(OUTPUT)tests/thread-mg-share.o LIB_OBJS += $(OUTPUT)tests/switch-tracking.o LIB_OBJS += $(OUTPUT)tests/thread-comm.o LIB_OBJS += $(OUTPUT)tests/thread-lookup-time.o +LIB_OBJS += $(OUTPUT)tests/thread-mg-time.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 e4d335de19ea..8f61a7e291ee 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -175,6 +175,10 @@ static struct test { .func = test__thread_lookup_time, }, { + .desc = "Test thread map group handling with time", + .func = test__thread_mg_time, + }, + { .func = NULL, }, }; diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h index 1090337f63e5..03557563f31d 100644 --- a/tools/perf/tests/tests.h +++ b/tools/perf/tests/tests.h @@ -53,6 +53,7 @@ int test__fdarray__filter(void); int test__fdarray__add(void); int test__thread_comm(void); int test__thread_lookup_time(void); +int test__thread_mg_time(void); #if defined(__x86_64__) || defined(__i386__) || defined(__arm__) #ifdef HAVE_DWARF_UNWIND_SUPPORT diff --git a/tools/perf/tests/thread-mg-time.c b/tools/perf/tests/thread-mg-time.c new file mode 100644 index 000000000000..69fd13752c1d --- /dev/null +++ b/tools/perf/tests/thread-mg-time.c @@ -0,0 +1,88 @@ +#include "tests.h" +#include "machine.h" +#include "thread.h" +#include "map.h" +#include "debug.h" + +#define PERF_MAP_START 0x40000 + +int test__thread_mg_time(void) +{ + struct machines machines; + struct machine *machine; + struct thread *t; + struct map_groups *mg; + struct map *map; + struct addr_location al = { .map = NULL, }; + + /* + * This test is to check whether it can retrieve a correct map + * for a given time. When multi-file data storage is enabled, + * those task/comm/mmap events are processed first so the + * later sample should find a matching comm properly. + */ + machines__init(&machines); + machine = &machines.host; + + t = machine__findnew_thread(machine, 0, 0); + mg = t->mg; + + map = dso__new_map("/usr/bin/perf"); + map->start = PERF_MAP_START; + map->end = PERF_MAP_START + 0x1000; + + thread__insert_map(t, map); + + if (verbose > 1) + map_groups__fprintf(t->mg, stderr); + + thread__find_addr_map(t, PERF_RECORD_MISC_USER, MAP__FUNCTION, + PERF_MAP_START, &al); + + TEST_ASSERT_VAL("cannot find mapping for perf", al.map != NULL); + TEST_ASSERT_VAL("non matched mapping found", al.map == map); + TEST_ASSERT_VAL("incorrect map groups", al.map->groups == mg); + TEST_ASSERT_VAL("incorrect map groups", al.map->groups == t->mg); + + thread__find_addr_map_time(t, PERF_RECORD_MISC_USER, + MAP__FUNCTION, PERF_MAP_START, &al, -1ULL); + + TEST_ASSERT_VAL("cannot find timed mapping for perf", al.map != NULL); + TEST_ASSERT_VAL("non matched timed mapping", al.map == map); + TEST_ASSERT_VAL("incorrect timed map groups", al.map->groups == mg); + TEST_ASSERT_VAL("incorrect map groups", al.map->groups == t->mg); + + + pr_debug("simulate EXEC event (generate new mg)\n"); + __thread__set_comm(t, "perf-test", 10000, true); + + map = dso__new_map("/usr/bin/perf-test"); + map->start = PERF_MAP_START; + map->end = PERF_MAP_START + 0x2000; + + thread__insert_map(t, map); + + if (verbose > 1) + map_groups__fprintf(t->mg, stderr); + + thread__find_addr_map(t, PERF_RECORD_MISC_USER, MAP__FUNCTION, + PERF_MAP_START + 4, &al); + + TEST_ASSERT_VAL("cannot find mapping for perf-test", al.map != NULL); + TEST_ASSERT_VAL("invalid mapping found", al.map == map); + TEST_ASSERT_VAL("incorrect map groups", al.map->groups != mg); + TEST_ASSERT_VAL("incorrect map groups", al.map->groups == t->mg); + + pr_debug("searching map in the old mag groups\n"); + thread__find_addr_map_time(t, PERF_RECORD_MISC_USER, + MAP__FUNCTION, PERF_MAP_START, &al, 5000); + + TEST_ASSERT_VAL("cannot find timed mapping for perf-test", al.map != NULL); + TEST_ASSERT_VAL("non matched timed mapping", al.map != map); + TEST_ASSERT_VAL("incorrect timed map groups", al.map->groups == mg); + TEST_ASSERT_VAL("incorrect map groups", al.map->groups != t->mg); + + machine__delete_threads(machine); + machines__exit(&machines); + return 0; +} -- 2.2.2