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Commit 86066064 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

perf tools: Elliminate alignment holes 

perf_evsel:

Before:

	/* size: 320, cachelines: 5, members: 35 */
	/* sum members: 304, holes: 3, sum holes: 16 */

After:

	/* size: 304, cachelines: 5, members: 35 */
	/* last cacheline: 48 bytes */

perf_evlist:

Before:

	/* size: 2544, cachelines: 40, members: 17 */
	/* sum members: 2533, holes: 2, sum holes: 11 */
	/* last cacheline: 48 bytes */

After:

	/* size: 2536, cachelines: 40, members: 17 */
	/* sum members: 2533, holes: 1, sum holes: 3 */
	/* last cacheline: 40 bytes */

timechart:

Before:

	/* size: 288, cachelines: 5, members: 21 */
	/* sum members: 271, holes: 2, sum holes: 10 */
	/* padding: 7 */
	/* last cacheline: 32 bytes */

After:

	/* size: 272, cachelines: 5, members: 21 */
	/* sum members: 271, holes: 1, sum holes: 1 */
	/* last cacheline: 16 bytes */

thread:

Before:

	/* size: 112, cachelines: 2, members: 15 */
	/* sum members: 101, holes: 2, sum holes: 11 */
	/* last cacheline: 48 bytes */

After:

	/* size: 104, cachelines: 2, members: 15 */
	/* sum members: 101, holes: 1, sum holes: 3 */
	/* last cacheline: 40 bytes */

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-a543w7zjl9yyrg9nkf1teukp@git.kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 70ba6b8f

tools/perf/builtin-timechart.c

+2 −2
Original line number Diff line number Diff line
@@ -61,13 +61,13 @@ struct timechart { 
				tasks_only,

				with_backtrace,

				topology;

	bool			force;

	/* IO related settings */

	u64			io_events;

	bool			io_only,

				skip_eagain;

	u64			io_events;

	u64			min_time,

				merge_dist;

	bool			force;

};



struct per_pidcomm;

tools/perf/util/evlist.h

+1 −1
Original line number Diff line number Diff line
@@ -40,6 +40,7 @@ struct perf_evlist { 
	int		 nr_entries;

	int		 nr_groups;

	int		 nr_mmaps;

	bool		 overwrite;

	size_t		 mmap_len;

	int		 id_pos;

	int		 is_pos;
@@ -48,7 +49,6 @@ struct perf_evlist { 
		int	cork_fd;

		pid_t	pid;

	} workload;

	bool		 overwrite;

	struct fdarray	 pollfd;

	struct perf_mmap *mmap;

	struct thread_map *threads;

tools/perf/util/evsel.h

+2 −2
Original line number Diff line number Diff line
@@ -73,7 +73,6 @@ struct perf_evsel { 
	char			*name;

	double			scale;

	const char		*unit;

	bool			snapshot;

	struct event_format	*tp_format;

	union {

		void		*priv;
@@ -86,6 +85,7 @@ struct perf_evsel { 
	unsigned int		sample_size;

	int			id_pos;

	int			is_pos;

	bool			snapshot;

	bool 			supported;

	bool 			needs_swap;

	bool			no_aux_samples;
@@ -93,11 +93,11 @@ struct perf_evsel { 
	bool			system_wide;

	bool			tracking;

	bool			per_pkg;

	unsigned long		*per_pkg_mask;

	/* parse modifier helper */

	int			exclude_GH;

	int			nr_members;

	int			sample_read;

	unsigned long		*per_pkg_mask;

	struct perf_evsel	*leader;

	char			*group_name;

};

tools/perf/util/thread.h

+1 −1
Original line number Diff line number Diff line
@@ -25,9 +25,9 @@ struct thread { 
	atomic_t		refcnt;

	char			shortname[3];

	bool			comm_set;

	int			comm_len;

	bool			dead; /* if set thread has exited */

	struct list_head	comm_list;

	int			comm_len;

	u64			db_id;



	void			*priv;