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| author | Martijn Coenen <maco@android.com> | 2017-11-13 10:06:56 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-11-28 16:33:03 +0100 |
| commit | 8d9a3ab6c17e9473ab31484da382914537e60152 (patch) | |
| tree | 02c6929f87b150c243e947359ec90ba857a42962 /drivers/android/binder_alloc.c | |
| parent | fpga: region: release of_parse_phandle nodes after use (diff) | |
| download | linux-8d9a3ab6c17e9473ab31484da382914537e60152.tar.xz linux-8d9a3ab6c17e9473ab31484da382914537e60152.zip | |
ANDROID: binder: show high watermark of alloc->pages.
Show the high watermark of the index into the alloc->pages
array, to facilitate sizing the buffer on a per-process
basis.
Signed-off-by: Martijn Coenen <maco@android.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/android/binder_alloc.c')
| -rw-r--r-- | drivers/android/binder_alloc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c index 6f6f745605af..0dba2308125c 100644 --- a/drivers/android/binder_alloc.c +++ b/drivers/android/binder_alloc.c @@ -281,6 +281,9 @@ static int binder_update_page_range(struct binder_alloc *alloc, int allocate, goto err_vm_insert_page_failed; } + if (index + 1 > alloc->pages_high) + alloc->pages_high = index + 1; + trace_binder_alloc_page_end(alloc, index); /* vm_insert_page does not seem to increment the refcount */ } @@ -853,6 +856,7 @@ void binder_alloc_print_pages(struct seq_file *m, } mutex_unlock(&alloc->mutex); seq_printf(m, " pages: %d:%d:%d\n", active, lru, free); + seq_printf(m, " pages high watermark: %zu\n", alloc->pages_high); } /** |