{
struct perf_evsel *evsel;
- evlist__for_each(evlist, evsel)
+ evlist__for_each_entry(evlist, evsel)
perf_evsel__calc_id_pos(evsel);
perf_evlist__set_id_pos(evlist);
{
struct perf_evsel *pos, *n;
- evlist__for_each_safe(evlist, n, pos) {
+ evlist__for_each_entry_safe(evlist, n, pos) {
list_del_init(&pos->node);
pos->evlist = NULL;
perf_evsel__delete(pos);
void perf_evlist__delete(struct perf_evlist *evlist)
{
+ if (evlist == NULL)
+ return;
+
perf_evlist__munmap(evlist);
perf_evlist__close(evlist);
cpu_map__put(evlist->cpus);
{
struct perf_evsel *evsel;
- evlist__for_each(evlist, evsel)
+ evlist__for_each_entry(evlist, evsel)
__perf_evlist__propagate_maps(evlist, evsel);
}
{
struct perf_evsel *evsel, *temp;
- __evlist__for_each_safe(list, temp, evsel) {
+ __evlist__for_each_entry_safe(list, temp, evsel) {
list_del_init(&evsel->node);
perf_evlist__add(evlist, evsel);
}
leader->nr_members = evsel->idx - leader->idx + 1;
- __evlist__for_each(list, evsel) {
+ __evlist__for_each_entry(list, evsel) {
evsel->leader = leader;
}
}
return 0;
out_delete_partial_list:
- __evlist__for_each_safe(&head, n, evsel)
+ __evlist__for_each_entry_safe(&head, n, evsel)
perf_evsel__delete(evsel);
return -1;
}
{
struct perf_evsel *evsel;
- evlist__for_each(evlist, evsel) {
+ evlist__for_each_entry(evlist, evsel) {
if (evsel->attr.type == PERF_TYPE_TRACEPOINT &&
(int)evsel->attr.config == id)
return evsel;
{
struct perf_evsel *evsel;
- evlist__for_each(evlist, evsel) {
+ evlist__for_each_entry(evlist, evsel) {
if ((evsel->attr.type == PERF_TYPE_TRACEPOINT) &&
(strcmp(evsel->name, name) == 0))
return evsel;
{
struct perf_evsel *pos;
- evlist__for_each(evlist, pos) {
+ evlist__for_each_entry(evlist, pos) {
if (!perf_evsel__is_group_leader(pos) || !pos->fd)
continue;
perf_evsel__disable(pos);
{
struct perf_evsel *pos;
- evlist__for_each(evlist, pos) {
+ evlist__for_each_entry(evlist, pos) {
if (!perf_evsel__is_group_leader(pos) || !pos->fd)
continue;
perf_evsel__enable(pos);
int nfds = 0;
struct perf_evsel *evsel;
- evlist__for_each(evlist, evsel) {
+ evlist__for_each_entry(evlist, evsel) {
if (evsel->system_wide)
nfds += nr_cpus;
else
return 0;
}
-static int __perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd, int idx)
+static int __perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd, int idx, short revent)
{
- int pos = fdarray__add(&evlist->pollfd, fd, POLLIN | POLLERR | POLLHUP);
+ int pos = fdarray__add(&evlist->pollfd, fd, revent | POLLERR | POLLHUP);
/*
* Save the idx so that when we filter out fds POLLHUP'ed we can
* close the associated evlist->mmap[] entry.
int perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd)
{
- return __perf_evlist__add_pollfd(evlist, fd, -1);
+ return __perf_evlist__add_pollfd(evlist, fd, -1, POLLIN);
}
-static void perf_evlist__munmap_filtered(struct fdarray *fda, int fd)
+static void perf_evlist__munmap_filtered(struct fdarray *fda, int fd,
+ void *arg __maybe_unused)
{
struct perf_evlist *evlist = container_of(fda, struct perf_evlist, pollfd);
int perf_evlist__filter_pollfd(struct perf_evlist *evlist, short revents_and_mask)
{
return fdarray__filter(&evlist->pollfd, revents_and_mask,
- perf_evlist__munmap_filtered);
+ perf_evlist__munmap_filtered, NULL);
}
int perf_evlist__poll(struct perf_evlist *evlist, int timeout)
return event;
}
-union perf_event *perf_evlist__mmap_read(struct perf_evlist *evlist, int idx)
+union perf_event *perf_evlist__mmap_read_forward(struct perf_evlist *evlist, int idx)
{
struct perf_mmap *md = &evlist->mmap[idx];
u64 head;
return perf_mmap__read(md, false, start, end, &md->prev);
}
+union perf_event *perf_evlist__mmap_read(struct perf_evlist *evlist, int idx)
+{
+ if (!evlist->backward)
+ return perf_evlist__mmap_read_forward(evlist, idx);
+ return perf_evlist__mmap_read_backward(evlist, idx);
+}
+
void perf_evlist__mmap_read_catchup(struct perf_evlist *evlist, int idx)
{
struct perf_mmap *md = &evlist->mmap[idx];
static void perf_evlist__mmap_put(struct perf_evlist *evlist, int idx)
{
- BUG_ON(atomic_read(&evlist->mmap[idx].refcnt) == 0);
+ struct perf_mmap *md = &evlist->mmap[idx];
- if (atomic_dec_and_test(&evlist->mmap[idx].refcnt))
+ BUG_ON(md->base && atomic_read(&md->refcnt) == 0);
+
+ if (atomic_dec_and_test(&md->refcnt))
__perf_evlist__munmap(evlist, idx);
}
if (cpu_map__empty(evlist->cpus))
evlist->nr_mmaps = thread_map__nr(evlist->threads);
evlist->mmap = zalloc(evlist->nr_mmaps * sizeof(struct perf_mmap));
+ if (!evlist->mmap)
+ return -ENOMEM;
+
for (i = 0; i < evlist->nr_mmaps; i++)
evlist->mmap[i].fd = -1;
- return evlist->mmap != NULL ? 0 : -ENOMEM;
+ return 0;
}
struct mmap_params {
return 0;
}
+static bool
+perf_evlist__should_poll(struct perf_evlist *evlist __maybe_unused,
+ struct perf_evsel *evsel)
+{
+ if (evsel->overwrite)
+ return false;
+ return true;
+}
+
static int perf_evlist__mmap_per_evsel(struct perf_evlist *evlist, int idx,
struct mmap_params *mp, int cpu,
int thread, int *output)
{
struct perf_evsel *evsel;
+ int revent;
- evlist__for_each(evlist, evsel) {
+ evlist__for_each_entry(evlist, evsel) {
int fd;
+ if (evsel->overwrite != (evlist->overwrite && evlist->backward))
+ continue;
+
if (evsel->system_wide && thread)
continue;
perf_evlist__mmap_get(evlist, idx);
}
+ revent = perf_evlist__should_poll(evlist, evsel) ? POLLIN : 0;
+
/*
* The system_wide flag causes a selected event to be opened
* always without a pid. Consequently it will never get a
* Therefore don't add it for polling.
*/
if (!evsel->system_wide &&
- __perf_evlist__add_pollfd(evlist, fd, idx) < 0) {
+ __perf_evlist__add_pollfd(evlist, fd, idx, revent) < 0) {
perf_evlist__mmap_put(evlist, idx);
return -1;
}
auxtrace_mmap_params__init(&mp.auxtrace_mp, evlist->mmap_len,
auxtrace_pages, auxtrace_overwrite);
- evlist__for_each(evlist, evsel) {
+ evlist__for_each_entry(evlist, evsel) {
if ((evsel->attr.read_format & PERF_FORMAT_ID) &&
evsel->sample_id == NULL &&
perf_evsel__alloc_id(evsel, cpu_map__nr(cpus), threads->nr) < 0)
{
struct perf_evsel *evsel;
- evlist__for_each(evlist, evsel)
+ evlist__for_each_entry(evlist, evsel)
__perf_evsel__set_sample_bit(evsel, bit);
}
{
struct perf_evsel *evsel;
- evlist__for_each(evlist, evsel)
+ evlist__for_each_entry(evlist, evsel)
__perf_evsel__reset_sample_bit(evsel, bit);
}
const int ncpus = cpu_map__nr(evlist->cpus),
nthreads = thread_map__nr(evlist->threads);
- evlist__for_each(evlist, evsel) {
+ evlist__for_each_entry(evlist, evsel) {
if (evsel->filter == NULL)
continue;
struct perf_evsel *evsel;
int err = 0;
- evlist__for_each(evlist, evsel) {
+ evlist__for_each_entry(evlist, evsel) {
if (evsel->attr.type != PERF_TYPE_TRACEPOINT)
continue;
if (evlist->id_pos < 0 || evlist->is_pos < 0)
return false;
- evlist__for_each(evlist, pos) {
+ evlist__for_each_entry(evlist, pos) {
if (pos->id_pos != evlist->id_pos ||
pos->is_pos != evlist->is_pos)
return false;
if (evlist->combined_sample_type)
return evlist->combined_sample_type;
- evlist__for_each(evlist, evsel)
+ evlist__for_each_entry(evlist, evsel)
evlist->combined_sample_type |= evsel->attr.sample_type;
return evlist->combined_sample_type;
struct perf_evsel *evsel;
u64 branch_type = 0;
- evlist__for_each(evlist, evsel)
+ evlist__for_each_entry(evlist, evsel)
branch_type |= evsel->attr.branch_sample_type;
return branch_type;
}
u64 read_format = first->attr.read_format;
u64 sample_type = first->attr.sample_type;
- evlist__for_each(evlist, pos) {
+ evlist__for_each_entry(evlist, pos) {
if (read_format != pos->attr.read_format)
return false;
}
{
struct perf_evsel *first = perf_evlist__first(evlist), *pos = first;
- evlist__for_each_continue(evlist, pos) {
+ evlist__for_each_entry_continue(evlist, pos) {
if (first->attr.sample_id_all != pos->attr.sample_id_all)
return false;
}
int nthreads = thread_map__nr(evlist->threads);
int n;
- evlist__for_each_reverse(evlist, evsel) {
+ evlist__for_each_entry_reverse(evlist, evsel) {
n = evsel->cpus ? evsel->cpus->nr : ncpus;
perf_evsel__close(evsel, n, nthreads);
}
perf_evlist__update_id_pos(evlist);
- evlist__for_each(evlist, evsel) {
+ evlist__for_each_entry(evlist, evsel) {
err = perf_evsel__open(evsel, evsel->cpus, evsel->threads);
if (err < 0)
goto out_err;
struct perf_evsel *evsel;
size_t printed = 0;
- evlist__for_each(evlist, evsel) {
+ evlist__for_each_entry(evlist, evsel) {
printed += fprintf(fp, "%s%s", evsel->idx ? ", " : "",
perf_evsel__name(evsel));
}
if (move_evsel == perf_evlist__first(evlist))
return;
- evlist__for_each_safe(evlist, n, evsel) {
+ evlist__for_each_entry_safe(evlist, n, evsel) {
if (evsel->leader == move_evsel->leader)
list_move_tail(&evsel->node, &move);
}
if (tracking_evsel->tracking)
return;
- evlist__for_each(evlist, evsel) {
+ evlist__for_each_entry(evlist, evsel) {
if (evsel != tracking_evsel)
evsel->tracking = false;
}
{
struct perf_evsel *evsel;
- evlist__for_each(evlist, evsel) {
+ evlist__for_each_entry(evlist, evsel) {
if (!evsel->name)
continue;
if (strcmp(str, evsel->name) == 0)