aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--tools/perf/util/evlist.c28
-rw-r--r--tools/perf/util/evlist.h3
2 files changed, 21 insertions, 10 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 030ae7f05e03..190c64c6e266 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -106,12 +106,24 @@ void perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd)
evlist->nr_fds++;
}
-static int perf_evlist__id_hash(struct perf_evlist *evlist, struct perf_evsel *evsel,
- int cpu, int thread, int fd)
+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]);
+}
+
+static int perf_evlist__id_hash_fd(struct perf_evlist *evlist,
+ struct perf_evsel *evsel,
+ int cpu, int thread, int fd)
{
- struct perf_sample_id *sid;
u64 read_data[4] = { 0, };
- int hash, id_idx = 1; /* The first entry is the counter value */
+ int id_idx = 1; /* The first entry is the counter value */
if (!(evsel->attr.read_format & PERF_FORMAT_ID) ||
read(fd, &read_data, sizeof(read_data)) == -1)
@@ -122,11 +134,7 @@ static int perf_evlist__id_hash(struct perf_evlist *evlist, struct perf_evsel *e
if (evsel->attr.read_format & PERF_FORMAT_TOTAL_TIME_RUNNING)
++id_idx;
- sid = SID(evsel, cpu, thread);
- sid->id = read_data[id_idx];
- sid->evsel = evsel;
- hash = hash_64(sid->id, PERF_EVLIST__HLIST_BITS);
- hlist_add_head(&sid->node, &evlist->heads[hash]);
+ perf_evlist__id_hash(evlist, evsel, cpu, thread, read_data[id_idx]);
return 0;
}
@@ -300,7 +308,7 @@ int perf_evlist__mmap(struct perf_evlist *evlist, int pages, bool overwrite)
goto out_unmap;
if ((evsel->attr.read_format & PERF_FORMAT_ID) &&
- perf_evlist__id_hash(evlist, evsel, cpu, thread, fd) < 0)
+ perf_evlist__id_hash_fd(evlist, evsel, cpu, thread, fd) < 0)
goto out_unmap;
}
}
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index b75805aeb7e4..078d51256085 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -38,6 +38,9 @@ void perf_evlist__delete(struct perf_evlist *evlist);
void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry);
int perf_evlist__add_default(struct perf_evlist *evlist);
+void perf_evlist__id_hash(struct perf_evlist *evlist, struct perf_evsel *evsel,
+ int cpu, int thread, u64 id);
+
int perf_evlist__alloc_pollfd(struct perf_evlist *evlist);
void perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd);