diff options
| author | Alexey Budankov <alexey.budankov@linux.intel.com> | 2020-07-17 09:59:45 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-07-21 15:52:51 +0300 |
| commit | ab4c1f9f686836e7a772af0c6dd71fe9efa2609c (patch) | |
| tree | 8d98ecfa53cb765d1e7d0affa808421f7db781b5 /tools/lib/api/fd/array.h | |
| parent | 59b4412f27f1410a5b22f0244368c4d5ea00d316 (diff) | |
| download | linux-ab4c1f9f686836e7a772af0c6dd71fe9efa2609c.tar.xz | |
libperf: Add flags to fdarray fds objects
Store flags per struct pollfd *entries object in a bitmap of int size.
Implement fdarray_flag__nonfilterable flag to skip object from counting
by fdarray__filter().
Fixed fdarray test issue reported by kernel test robot.
Reported-by: kernel test robot <rong.a.chen@intel.com>
Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/6b7d43ff-0801-d5dd-4e90-fcd86b17c1c8@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/lib/api/fd/array.h')
| -rw-r--r-- | tools/lib/api/fd/array.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/tools/lib/api/fd/array.h b/tools/lib/api/fd/array.h index b39557d1a88f..7fcf21a33c0c 100644 --- a/tools/lib/api/fd/array.h +++ b/tools/lib/api/fd/array.h @@ -21,19 +21,27 @@ struct fdarray { int nr_alloc; int nr_autogrow; struct pollfd *entries; - union { - int idx; - void *ptr; + struct priv { + union { + int idx; + void *ptr; + }; + unsigned int flags; } *priv; }; +enum fdarray_flags { + fdarray_flag__default = 0x00000000, + fdarray_flag__nonfilterable = 0x00000001 +}; + void fdarray__init(struct fdarray *fda, int nr_autogrow); void fdarray__exit(struct fdarray *fda); struct fdarray *fdarray__new(int nr_alloc, int nr_autogrow); void fdarray__delete(struct fdarray *fda); -int fdarray__add(struct fdarray *fda, int fd, short revents); +int fdarray__add(struct fdarray *fda, int fd, short revents, enum fdarray_flags flags); int fdarray__poll(struct fdarray *fda, int timeout); int fdarray__filter(struct fdarray *fda, short revents, void (*entry_destructor)(struct fdarray *fda, int fd, void *arg), |