ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/tools/perf/lib/evlist.c b/marvell/linux/tools/perf/lib/evlist.c
new file mode 100644
index 0000000..d1496fe
--- /dev/null
+++ b/marvell/linux/tools/perf/lib/evlist.c
@@ -0,0 +1,283 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <perf/evlist.h>
+#include <perf/evsel.h>
+#include <linux/bitops.h>
+#include <linux/list.h>
+#include <linux/hash.h>
+#include <sys/ioctl.h>
+#include <internal/evlist.h>
+#include <internal/evsel.h>
+#include <internal/xyarray.h>
+#include <linux/zalloc.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <poll.h>
+#include <perf/cpumap.h>
+#include <perf/threadmap.h>
+#include <api/fd/array.h>
+
+void perf_evlist__init(struct perf_evlist *evlist)
+{
+ int i;
+
+ for (i = 0; i < PERF_EVLIST__HLIST_SIZE; ++i)
+ INIT_HLIST_HEAD(&evlist->heads[i]);
+ INIT_LIST_HEAD(&evlist->entries);
+ evlist->nr_entries = 0;
+}
+
+static void __perf_evlist__propagate_maps(struct perf_evlist *evlist,
+ struct perf_evsel *evsel)
+{
+ /*
+ * We already have cpus for evsel (via PMU sysfs) so
+ * keep it, if there's no target cpu list defined.
+ */
+ if (!evsel->own_cpus || evlist->has_user_cpus) {
+ perf_cpu_map__put(evsel->cpus);
+ evsel->cpus = perf_cpu_map__get(evlist->cpus);
+ } else if (evsel->cpus != evsel->own_cpus) {
+ perf_cpu_map__put(evsel->cpus);
+ evsel->cpus = perf_cpu_map__get(evsel->own_cpus);
+ }
+
+ perf_thread_map__put(evsel->threads);
+ evsel->threads = perf_thread_map__get(evlist->threads);
+}
+
+static void perf_evlist__propagate_maps(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel;
+
+ perf_evlist__for_each_evsel(evlist, evsel)
+ __perf_evlist__propagate_maps(evlist, evsel);
+}
+
+void perf_evlist__add(struct perf_evlist *evlist,
+ struct perf_evsel *evsel)
+{
+ list_add_tail(&evsel->node, &evlist->entries);
+ evlist->nr_entries += 1;
+ __perf_evlist__propagate_maps(evlist, evsel);
+}
+
+void perf_evlist__remove(struct perf_evlist *evlist,
+ struct perf_evsel *evsel)
+{
+ list_del_init(&evsel->node);
+ evlist->nr_entries -= 1;
+}
+
+struct perf_evlist *perf_evlist__new(void)
+{
+ struct perf_evlist *evlist = zalloc(sizeof(*evlist));
+
+ if (evlist != NULL)
+ perf_evlist__init(evlist);
+
+ return evlist;
+}
+
+struct perf_evsel *
+perf_evlist__next(struct perf_evlist *evlist, struct perf_evsel *prev)
+{
+ struct perf_evsel *next;
+
+ if (!prev) {
+ next = list_first_entry(&evlist->entries,
+ struct perf_evsel,
+ node);
+ } else {
+ next = list_next_entry(prev, node);
+ }
+
+ /* Empty list is noticed here so don't need checking on entry. */
+ if (&next->node == &evlist->entries)
+ return NULL;
+
+ return next;
+}
+
+void perf_evlist__delete(struct perf_evlist *evlist)
+{
+ free(evlist);
+}
+
+void perf_evlist__set_maps(struct perf_evlist *evlist,
+ struct perf_cpu_map *cpus,
+ struct perf_thread_map *threads)
+{
+ /*
+ * Allow for the possibility that one or another of the maps isn't being
+ * changed i.e. don't put it. Note we are assuming the maps that are
+ * being applied are brand new and evlist is taking ownership of the
+ * original reference count of 1. If that is not the case it is up to
+ * the caller to increase the reference count.
+ */
+ if (cpus != evlist->cpus) {
+ perf_cpu_map__put(evlist->cpus);
+ evlist->cpus = perf_cpu_map__get(cpus);
+ }
+
+ if (threads != evlist->threads) {
+ perf_thread_map__put(evlist->threads);
+ evlist->threads = perf_thread_map__get(threads);
+ }
+
+ perf_evlist__propagate_maps(evlist);
+}
+
+int perf_evlist__open(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel;
+ int err;
+
+ perf_evlist__for_each_entry(evlist, evsel) {
+ err = perf_evsel__open(evsel, evsel->cpus, evsel->threads);
+ if (err < 0)
+ goto out_err;
+ }
+
+ return 0;
+
+out_err:
+ perf_evlist__close(evlist);
+ return err;
+}
+
+void perf_evlist__close(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel;
+
+ perf_evlist__for_each_entry_reverse(evlist, evsel)
+ perf_evsel__close(evsel);
+}
+
+void perf_evlist__enable(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel;
+
+ perf_evlist__for_each_entry(evlist, evsel)
+ perf_evsel__enable(evsel);
+}
+
+void perf_evlist__disable(struct perf_evlist *evlist)
+{
+ struct perf_evsel *evsel;
+
+ perf_evlist__for_each_entry(evlist, evsel)
+ perf_evsel__disable(evsel);
+}
+
+u64 perf_evlist__read_format(struct perf_evlist *evlist)
+{
+ struct perf_evsel *first = perf_evlist__first(evlist);
+
+ return first->attr.read_format;
+}
+
+#define SID(e, x, y) xyarray__entry(e->sample_id, x, y)
+
+static void perf_evlist__id_hash(struct perf_evlist *evlist,
+ struct perf_evsel *evsel,
+ int cpu, int thread, u64 id)
+{
+ int hash;
+ struct perf_sample_id *sid = SID(evsel, cpu, thread);
+
+ sid->id = id;
+ sid->evsel = evsel;
+ hash = hash_64(sid->id, PERF_EVLIST__HLIST_BITS);
+ hlist_add_head(&sid->node, &evlist->heads[hash]);
+}
+
+void perf_evlist__id_add(struct perf_evlist *evlist,
+ struct perf_evsel *evsel,
+ int cpu, int thread, u64 id)
+{
+ perf_evlist__id_hash(evlist, evsel, cpu, thread, id);
+ evsel->id[evsel->ids++] = id;
+}
+
+int perf_evlist__id_add_fd(struct perf_evlist *evlist,
+ struct perf_evsel *evsel,
+ int cpu, int thread, int fd)
+{
+ u64 read_data[4] = { 0, };
+ int id_idx = 1; /* The first entry is the counter value */
+ u64 id;
+ int ret;
+
+ ret = ioctl(fd, PERF_EVENT_IOC_ID, &id);
+ if (!ret)
+ goto add;
+
+ if (errno != ENOTTY)
+ return -1;
+
+ /* Legacy way to get event id.. All hail to old kernels! */
+
+ /*
+ * This way does not work with group format read, so bail
+ * out in that case.
+ */
+ if (perf_evlist__read_format(evlist) & PERF_FORMAT_GROUP)
+ return -1;
+
+ if (!(evsel->attr.read_format & PERF_FORMAT_ID) ||
+ read(fd, &read_data, sizeof(read_data)) == -1)
+ return -1;
+
+ if (evsel->attr.read_format & PERF_FORMAT_TOTAL_TIME_ENABLED)
+ ++id_idx;
+ if (evsel->attr.read_format & PERF_FORMAT_TOTAL_TIME_RUNNING)
+ ++id_idx;
+
+ id = read_data[id_idx];
+
+add:
+ perf_evlist__id_add(evlist, evsel, cpu, thread, id);
+ return 0;
+}
+
+int perf_evlist__alloc_pollfd(struct perf_evlist *evlist)
+{
+ int nr_cpus = perf_cpu_map__nr(evlist->cpus);
+ int nr_threads = perf_thread_map__nr(evlist->threads);
+ int nfds = 0;
+ struct perf_evsel *evsel;
+
+ perf_evlist__for_each_entry(evlist, evsel) {
+ if (evsel->system_wide)
+ nfds += nr_cpus;
+ else
+ nfds += nr_cpus * nr_threads;
+ }
+
+ if (fdarray__available_entries(&evlist->pollfd) < nfds &&
+ fdarray__grow(&evlist->pollfd, nfds) < 0)
+ return -ENOMEM;
+
+ return 0;
+}
+
+int perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd,
+ void *ptr, short revent)
+{
+ int pos = fdarray__add(&evlist->pollfd, fd, revent | POLLERR | POLLHUP);
+
+ if (pos >= 0) {
+ evlist->pollfd.priv[pos].ptr = ptr;
+ fcntl(fd, F_SETFL, O_NONBLOCK);
+ }
+
+ return pos;
+}
+
+int perf_evlist__poll(struct perf_evlist *evlist, int timeout)
+{
+ return fdarray__poll(&evlist->pollfd, timeout);
+}