mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-02 23:27:06 +00:00
Code Issues Releases Wiki Activity

perf block-info: Remove unused refcount

Browse source 
block_info__get() has no callers so the refcount is only ever one. As
such remove the reference counting logic and turn puts to deletes.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Ben Gainey <ben.gainey@arm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: K Prateek Nayak <kprateek.nayak@amd.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Li Dong <lidong@vivo.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Oliver Upton <oliver.upton@linux.dev>
Cc: Paran Lee <p4ranlee@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Sun Haiyong <sunhaiyong@loongson.cn>
Cc: Tim Chen <tim.c.chen@linux.intel.com>
Cc: Yanteng Si <siyanteng@loongson.cn>
Cc: Yicong Yang <yangyicong@hisilicon.com>
Link: https://lore.kernel.org/r/20240507183545.1236093-4-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers 2024-05-07 11:35:40 -07:00 committed by Arnaldo Carvalho de Melo
parent a3f7768bcf
commit 557b32c343
3 changed files with 9 additions and 34 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

24
tools/perf/util/block-info.c
View file

@ -43,26 +43,14 @@ static struct block_header_column {
}
};
struct block_info *block_info__get(struct block_info *bi)
{
if (bi)
refcount_inc(&bi->refcnt);
return bi;
}
void block_info__put(struct block_info *bi)
{
if (bi && refcount_dec_and_test(&bi->refcnt))
free(bi);
}
struct block_info *block_info__new(void)
{
struct block_info *bi = zalloc(sizeof(*bi));
return zalloc(sizeof(struct block_info));
}
if (bi)
refcount_set(&bi->refcnt, 1);
return bi;
void block_info__delete(struct block_info *bi)
{
free(bi);
}
int64_t __block_info__cmp(struct hist_entry *left, struct hist_entry *right)
@ -148,7 +136,7 @@ int block_info__process_sym(struct hist_entry *he, struct block_hist *bh,
he_block = hists__add_entry_block(&bh->block_hists,
&al, bi);
if (!he_block) {
block_info__put(bi);
block_info__delete(bi);
return -1;
}
}

15
tools/perf/util/block-info.h
View file

@ -3,7 +3,6 @@
#define __PERF_BLOCK_H
#include <linux/types.h>
#include <linux/refcount.h>
#include "hist.h"
#include "symbol.h"
#include "sort.h"
@ -19,7 +18,6 @@ struct block_info {
u64 total_cycles;
int num;
int num_aggr;
refcount_t refcnt;
};
struct block_fmt {
@ -48,19 +46,8 @@ struct block_report {
int nr_fmts;
};
struct block_hist;
struct block_info *block_info__new(void);
struct block_info *block_info__get(struct block_info *bi);
void block_info__put(struct block_info *bi);
static inline void __block_info__zput(struct block_info **bi)
{
block_info__put(*bi);
*bi = NULL;
}
#define block_info__zput(bi) __block_info__zput(&bi)
void block_info__delete(struct block_info *bi);
int64_t __block_info__cmp(struct hist_entry *left, struct hist_entry *right);

4
tools/perf/util/hist.c
View file

@ -631,7 +631,7 @@ static struct hist_entry *hists__findnew_entry(struct hists *hists,
*/
mem_info__zput(entry->mem_info);
block_info__zput(entry->block_info);
block_info__delete(entry->block_info);
kvm_info__zput(entry->kvm_info);
@ -1341,7 +1341,7 @@ void hist_entry__delete(struct hist_entry *he)
}
if (he->block_info)
block_info__zput(he->block_info);
block_info__delete(he->block_info);
if (he->kvm_info)
kvm_info__zput(he->kvm_info);