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authorKan Liang <kan.liang@linux.intel.com>2018-03-06 10:36:07 -0500
committerArnaldo Carvalho de Melo <acme@redhat.com>2018-03-08 10:05:53 -0300
commitb9bae2c841b73eac6bfed510bc24a3051754ff51 (patch)
tree8533c197b859d64024805e0f4f6b9c2e778c20db /tools/perf/tests
parent0019dc87b928380e2c85fcd8694e512079d7b580 (diff)
downloadlinux-b9bae2c841b73eac6bfed510bc24a3051754ff51.tar.bz2
perf mmap: Simplify perf_mmap__read_init()
It isn't necessary to pass the 'start', 'end' and 'overwrite' arguments to perf_mmap__read_init(). The data is stored in the struct perf_mmap. Discard the parameters. Signed-off-by: Kan Liang <kan.liang@linux.intel.com> Suggested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Andi Kleen <ak@linux.intel.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/1520350567-80082-8-git-send-email-kan.liang@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/tests')
-rw-r--r--tools/perf/tests/backward-ring-buffer.c3
-rw-r--r--tools/perf/tests/bpf.c3
-rw-r--r--tools/perf/tests/code-reading.c3
-rw-r--r--tools/perf/tests/keep-tracking.c3
-rw-r--r--tools/perf/tests/mmap-basic.c3
-rw-r--r--tools/perf/tests/openat-syscall-tp-fields.c3
-rw-r--r--tools/perf/tests/perf-record.c3
-rw-r--r--tools/perf/tests/sw-clock.c3
-rw-r--r--tools/perf/tests/switch-tracking.c3
-rw-r--r--tools/perf/tests/task-exit.c3
10 files changed, 10 insertions, 20 deletions
diff --git a/tools/perf/tests/backward-ring-buffer.c b/tools/perf/tests/backward-ring-buffer.c
index e0eae1053ddc..6d598cc071ae 100644
--- a/tools/perf/tests/backward-ring-buffer.c
+++ b/tools/perf/tests/backward-ring-buffer.c
@@ -33,9 +33,8 @@ static int count_samples(struct perf_evlist *evlist, int *sample_count,
for (i = 0; i < evlist->nr_mmaps; i++) {
struct perf_mmap *map = &evlist->overwrite_mmap[i];
union perf_event *event;
- u64 start, end;
- perf_mmap__read_init(map, true, &start, &end);
+ perf_mmap__read_init(map);
while ((event = perf_mmap__read_event(map)) != NULL) {
const u32 type = event->header.type;
diff --git a/tools/perf/tests/bpf.c b/tools/perf/tests/bpf.c
index 384c20f4c902..79b54f8ddebf 100644
--- a/tools/perf/tests/bpf.c
+++ b/tools/perf/tests/bpf.c
@@ -177,10 +177,9 @@ static int do_test(struct bpf_object *obj, int (*func)(void),
for (i = 0; i < evlist->nr_mmaps; i++) {
union perf_event *event;
struct perf_mmap *md;
- u64 end, start;
md = &evlist->mmap[i];
- if (perf_mmap__read_init(md, false, &start, &end) < 0)
+ if (perf_mmap__read_init(md) < 0)
continue;
while ((event = perf_mmap__read_event(md)) != NULL) {
diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c
index f7919666bc2c..99936352df4f 100644
--- a/tools/perf/tests/code-reading.c
+++ b/tools/perf/tests/code-reading.c
@@ -410,12 +410,11 @@ static int process_events(struct machine *machine, struct perf_evlist *evlist,
{
union perf_event *event;
struct perf_mmap *md;
- u64 end, start;
int i, ret;
for (i = 0; i < evlist->nr_mmaps; i++) {
md = &evlist->mmap[i];
- if (perf_mmap__read_init(md, false, &start, &end) < 0)
+ if (perf_mmap__read_init(md) < 0)
continue;
while ((event = perf_mmap__read_event(md)) != NULL) {
diff --git a/tools/perf/tests/keep-tracking.c b/tools/perf/tests/keep-tracking.c
index ad477b7cf238..17c46f3e6f1e 100644
--- a/tools/perf/tests/keep-tracking.c
+++ b/tools/perf/tests/keep-tracking.c
@@ -28,13 +28,12 @@ static int find_comm(struct perf_evlist *evlist, const char *comm)
{
union perf_event *event;
struct perf_mmap *md;
- u64 end, start;
int i, found;
found = 0;
for (i = 0; i < evlist->nr_mmaps; i++) {
md = &evlist->mmap[i];
- if (perf_mmap__read_init(md, false, &start, &end) < 0)
+ if (perf_mmap__read_init(md) < 0)
continue;
while ((event = perf_mmap__read_event(md)) != NULL) {
if (event->header.type == PERF_RECORD_COMM &&
diff --git a/tools/perf/tests/mmap-basic.c b/tools/perf/tests/mmap-basic.c
index 7790eb3303e6..bb8e6bcb0d96 100644
--- a/tools/perf/tests/mmap-basic.c
+++ b/tools/perf/tests/mmap-basic.c
@@ -39,7 +39,6 @@ int test__basic_mmap(struct test *test __maybe_unused, int subtest __maybe_unuse
struct perf_evsel *evsels[nsyscalls], *evsel;
char sbuf[STRERR_BUFSIZE];
struct perf_mmap *md;
- u64 end, start;
threads = thread_map__new(-1, getpid(), UINT_MAX);
if (threads == NULL) {
@@ -109,7 +108,7 @@ int test__basic_mmap(struct test *test __maybe_unused, int subtest __maybe_unuse
}
md = &evlist->mmap[0];
- if (perf_mmap__read_init(md, false, &start, &end) < 0)
+ if (perf_mmap__read_init(md) < 0)
goto out_init;
while ((event = perf_mmap__read_event(md)) != NULL) {
diff --git a/tools/perf/tests/openat-syscall-tp-fields.c b/tools/perf/tests/openat-syscall-tp-fields.c
index b0be2da65da7..344dc3ac2469 100644
--- a/tools/perf/tests/openat-syscall-tp-fields.c
+++ b/tools/perf/tests/openat-syscall-tp-fields.c
@@ -87,10 +87,9 @@ int test__syscall_openat_tp_fields(struct test *test __maybe_unused, int subtest
for (i = 0; i < evlist->nr_mmaps; i++) {
union perf_event *event;
struct perf_mmap *md;
- u64 end, start;
md = &evlist->mmap[i];
- if (perf_mmap__read_init(md, false, &start, &end) < 0)
+ if (perf_mmap__read_init(md) < 0)
continue;
while ((event = perf_mmap__read_event(md)) != NULL) {
diff --git a/tools/perf/tests/perf-record.c b/tools/perf/tests/perf-record.c
index 59be0942b787..34394cc05077 100644
--- a/tools/perf/tests/perf-record.c
+++ b/tools/perf/tests/perf-record.c
@@ -165,10 +165,9 @@ int test__PERF_RECORD(struct test *test __maybe_unused, int subtest __maybe_unus
for (i = 0; i < evlist->nr_mmaps; i++) {
union perf_event *event;
struct perf_mmap *md;
- u64 end, start;
md = &evlist->mmap[i];
- if (perf_mmap__read_init(md, false, &start, &end) < 0)
+ if (perf_mmap__read_init(md) < 0)
continue;
while ((event = perf_mmap__read_event(md)) != NULL) {
diff --git a/tools/perf/tests/sw-clock.c b/tools/perf/tests/sw-clock.c
index 403f2d9cee96..f9490b237893 100644
--- a/tools/perf/tests/sw-clock.c
+++ b/tools/perf/tests/sw-clock.c
@@ -40,7 +40,6 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id)
struct cpu_map *cpus;
struct thread_map *threads;
struct perf_mmap *md;
- u64 end, start;
attr.sample_freq = 500;
@@ -96,7 +95,7 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id)
perf_evlist__disable(evlist);
md = &evlist->mmap[0];
- if (perf_mmap__read_init(md, false, &start, &end) < 0)
+ if (perf_mmap__read_init(md) < 0)
goto out_init;
while ((event = perf_mmap__read_event(md)) != NULL) {
diff --git a/tools/perf/tests/switch-tracking.c b/tools/perf/tests/switch-tracking.c
index 99839de3caee..9b5be51e5e7b 100644
--- a/tools/perf/tests/switch-tracking.c
+++ b/tools/perf/tests/switch-tracking.c
@@ -259,12 +259,11 @@ static int process_events(struct perf_evlist *evlist,
LIST_HEAD(events);
struct event_node *events_array, *node;
struct perf_mmap *md;
- u64 end, start;
int i, ret;
for (i = 0; i < evlist->nr_mmaps; i++) {
md = &evlist->mmap[i];
- if (perf_mmap__read_init(md, false, &start, &end) < 0)
+ if (perf_mmap__read_init(md) < 0)
continue;
while ((event = perf_mmap__read_event(md)) != NULL) {
diff --git a/tools/perf/tests/task-exit.c b/tools/perf/tests/task-exit.c
index 2df0c0573e2c..e92fa6029ac7 100644
--- a/tools/perf/tests/task-exit.c
+++ b/tools/perf/tests/task-exit.c
@@ -48,7 +48,6 @@ int test__task_exit(struct test *test __maybe_unused, int subtest __maybe_unused
struct cpu_map *cpus;
struct thread_map *threads;
struct perf_mmap *md;
- u64 end, start;
signal(SIGCHLD, sig_handler);
@@ -113,7 +112,7 @@ int test__task_exit(struct test *test __maybe_unused, int subtest __maybe_unused
retry:
md = &evlist->mmap[0];
- if (perf_mmap__read_init(md, false, &start, &end) < 0)
+ if (perf_mmap__read_init(md) < 0)
goto out_init;
while ((event = perf_mmap__read_event(md)) != NULL) {