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Subject[PATCH 61/73] libperf: Move pollfd allocation to libperf
Date
It's needed in libperf only, moving it to
perf_evlist__mmap_ops function.

Link: http://lkml.kernel.org/n/tip-7lmjzpk6k2wfhh1os8qw1dxz@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
tools/perf/lib/evlist.c | 5 +++++
tools/perf/util/evlist.c | 4 ----
2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/tools/perf/lib/evlist.c b/tools/perf/lib/evlist.c
index ec83022cd62f..e27fe1fcef3d 100644
--- a/tools/perf/lib/evlist.c
+++ b/tools/perf/lib/evlist.c
@@ -32,6 +32,7 @@ void perf_evlist__init(struct perf_evlist *evlist)
INIT_HLIST_HEAD(&evlist->heads[i]);
INIT_LIST_HEAD(&evlist->entries);
evlist->nr_entries = 0;
+ fdarray__init(&evlist->pollfd, 64);
}

static void __perf_evlist__propagate_maps(struct perf_evlist *evlist,
@@ -110,6 +111,7 @@ void perf_evlist__delete(struct perf_evlist *evlist)
{
free(evlist->mmap);
free(evlist->mmap_ovw);
+ fdarray__exit(&evlist->pollfd);
free(evlist);
}

@@ -489,6 +491,9 @@ int perf_evlist__mmap_ops(struct perf_evlist *evlist,
return -ENOMEM;
}

+ if (evlist->pollfd.entries == NULL && perf_evlist__alloc_pollfd(evlist) < 0)
+ return -ENOMEM;
+
if (perf_cpu_map__empty(cpus))
return mmap_per_thread(evlist, ops, mp);

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 94d8a1d96b81..728a15cddda7 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -57,7 +57,6 @@ void evlist__init(struct evlist *evlist, struct perf_cpu_map *cpus,
{
perf_evlist__init(&evlist->core);
perf_evlist__set_maps(&evlist->core, cpus, threads);
- fdarray__init(&evlist->core.pollfd, 64);
evlist->workload.pid = -1;
evlist->bkw_mmap_state = BKW_MMAP_NOTREADY;
}
@@ -804,9 +803,6 @@ int evlist__mmap_ex(struct evlist *evlist, unsigned int pages,
if (!evlist->mmap)
return -ENOMEM;

- if (evlist->core.pollfd.entries == NULL && perf_evlist__alloc_pollfd(&evlist->core) < 0)
- return -ENOMEM;
-
evlist->core.mmap_len = evlist__mmap_size(pages);
pr_debug("mmap size %zuB\n", evlist->core.mmap_len);
mp.core.mask = evlist->core.mmap_len - page_size - 1;
--
2.21.0
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