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perf tools: Elliminate alignment holes

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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: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2015-05-15 17:29:56 -03:00
parent 70ba6b8f97
commit 86066064e3
4 changed files with 6 additions and 6 deletions
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4
tools/perf/util/evsel.h
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@@ -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;
};