mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-26 20:38:12 +00:00
Code Issues Releases Wiki Activity

perf stat: Add aggr creators that are passed a cpu

Browse source 
The cpu_map and index can get confused. Add variants of the cpu_map__get
routines that are passed a cpu. Make the existing cpu_map__get routines
use the new functions with a view to remove them when no longer used.

Reviewed-by: James Clark <james.clark@arm.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Clarke <pc@us.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: Vineet Singh <vineet.singh@intel.com>
Cc: coresight@lists.linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: zhengjun.xing@intel.com
Link: https://lore.kernel.org/r/20220105061351.120843-3-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers 2022-01-04 22:13:05 -08:00 committed by Arnaldo Carvalho de Melo
parent 818ab78c03
commit ca2c9b76bc
2 changed files with 52 additions and 35 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

81
tools/perf/util/cpumap.c
View file

@ -128,21 +128,23 @@ int cpu_map__get_socket_id(int cpu)
return ret ?: value;
}
struct aggr_cpu_id cpu_map__get_socket(struct perf_cpu_map *map, int idx,
void *data __maybe_unused)
struct aggr_cpu_id cpu_map__get_socket_aggr_by_cpu(int cpu, void *data __maybe_unused)
{
int cpu;
struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id();
if (idx > map->nr)
return id;
cpu = map->map[idx];
id.socket = cpu_map__get_socket_id(cpu);
return id;
}
struct aggr_cpu_id cpu_map__get_socket(struct perf_cpu_map *map, int idx,
void *data)
{
if (idx < 0 || idx > map->nr)
return cpu_map__empty_aggr_cpu_id();
return cpu_map__get_socket_aggr_by_cpu(map->map[idx], data);
}
static int cmp_aggr_cpu_id(const void *a_pointer, const void *b_pointer)
{
struct aggr_cpu_id *a = (struct aggr_cpu_id *)a_pointer;
@ -200,15 +202,10 @@ int cpu_map__get_die_id(int cpu)
return ret ?: value;
}
struct aggr_cpu_id cpu_map__get_die(struct perf_cpu_map *map, int idx, void *data)
struct aggr_cpu_id cpu_map__get_die_aggr_by_cpu(int cpu, void *data)
{
int cpu, die;
struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id();
if (idx > map->nr)
return id;
cpu = map->map[idx];
struct aggr_cpu_id id;
int die;
die = cpu_map__get_die_id(cpu);
/* There is no die_id on legacy system. */
@ -220,7 +217,7 @@ struct aggr_cpu_id cpu_map__get_die(struct perf_cpu_map *map, int idx, void *dat
* with the socket ID and then add die to
* make a unique ID.
*/
id = cpu_map__get_socket(map, idx, data);
id = cpu_map__get_socket_aggr_by_cpu(cpu, data);
if (cpu_map__aggr_cpu_id_is_empty(id))
return id;
@ -228,6 +225,15 @@ struct aggr_cpu_id cpu_map__get_die(struct perf_cpu_map *map, int idx, void *dat
return id;
}
struct aggr_cpu_id cpu_map__get_die(struct perf_cpu_map *map, int idx,
void *data)
{
if (idx < 0 || idx > map->nr)
return cpu_map__empty_aggr_cpu_id();
return cpu_map__get_die_aggr_by_cpu(map->map[idx], data);
}
int cpu_map__get_core_id(int cpu)
{
int value, ret = cpu__get_topology_int(cpu, "core_id", &value);
@ -239,20 +245,13 @@ int cpu_map__get_node_id(int cpu)
return cpu__get_node(cpu);
}
struct aggr_cpu_id cpu_map__get_core(struct perf_cpu_map *map, int idx, void *data)
struct aggr_cpu_id cpu_map__get_core_aggr_by_cpu(int cpu, void *data)
{
int cpu;
struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id();
if (idx > map->nr)
return id;
cpu = map->map[idx];
cpu = cpu_map__get_core_id(cpu);
struct aggr_cpu_id id;
int core = cpu_map__get_core_id(cpu);
/* cpu_map__get_die returns a struct with socket and die set*/
id = cpu_map__get_die(map, idx, data);
id = cpu_map__get_die_aggr_by_cpu(cpu, data);
if (cpu_map__aggr_cpu_id_is_empty(id))
return id;
@ -260,21 +259,35 @@ struct aggr_cpu_id cpu_map__get_core(struct perf_cpu_map *map, int idx, void *da
* core_id is relative to socket and die, we need a global id.
* So we combine the result from cpu_map__get_die with the core id
*/
id.core = cpu;
id.core = core;
return id;
}
struct aggr_cpu_id cpu_map__get_node(struct perf_cpu_map *map, int idx, void *data __maybe_unused)
struct aggr_cpu_id cpu_map__get_core(struct perf_cpu_map *map, int idx, void *data)
{
if (idx < 0 || idx > map->nr)
return cpu_map__empty_aggr_cpu_id();
return cpu_map__get_core_aggr_by_cpu(map->map[idx], data);
}
struct aggr_cpu_id cpu_map__get_node_aggr_by_cpu(int cpu, void *data __maybe_unused)
{
struct aggr_cpu_id id = cpu_map__empty_aggr_cpu_id();
if (idx < 0 || idx >= map->nr)
return id;
id.node = cpu_map__get_node_id(map->map[idx]);
id.node = cpu_map__get_node_id(cpu);
return id;
}
struct aggr_cpu_id cpu_map__get_node(struct perf_cpu_map *map, int idx, void *data)
{
if (idx < 0 || idx >= map->nr)
return cpu_map__empty_aggr_cpu_id();
return cpu_map__get_node_aggr_by_cpu(map->map[idx], data);
}
int cpu_map__build_socket_map(struct perf_cpu_map *cpus, struct cpu_aggr_map **sockp)
{
return cpu_map__build_map(cpus, sockp, cpu_map__get_socket, NULL);

6
tools/perf/util/cpumap.h
View file

@ -31,13 +31,17 @@ size_t cpu_map__snprint(struct perf_cpu_map *map, char *buf, size_t size);
size_t cpu_map__snprint_mask(struct perf_cpu_map *map, char *buf, size_t size);
size_t cpu_map__fprintf(struct perf_cpu_map *map, FILE *fp);
int cpu_map__get_socket_id(int cpu);
struct aggr_cpu_id cpu_map__get_socket_aggr_by_cpu(int cpu, void *data);
struct aggr_cpu_id cpu_map__get_socket(struct perf_cpu_map *map, int idx, void *data);
int cpu_map__get_die_id(int cpu);
struct aggr_cpu_id cpu_map__get_die_aggr_by_cpu(int cpu, void *data);
struct aggr_cpu_id cpu_map__get_die(struct perf_cpu_map *map, int idx, void *data);
int cpu_map__get_core_id(int cpu);
struct aggr_cpu_id cpu_map__get_core_aggr_by_cpu(int cpu, void *data);
struct aggr_cpu_id cpu_map__get_core(struct perf_cpu_map *map, int idx, void *data);
int cpu_map__get_node_id(int cpu);
struct aggr_cpu_id cpu_map__get_node(struct perf_cpu_map *map, int idx, void *data);
struct aggr_cpu_id cpu_map__get_node_aggr_by_cpu(int cpu, void *data);
struct aggr_cpu_id cpu_map__get_node(struct perf_cpu_map *map, int idx, void *data);
int cpu_map__build_socket_map(struct perf_cpu_map *cpus, struct cpu_aggr_map **sockp);
int cpu_map__build_die_map(struct perf_cpu_map *cpus, struct cpu_aggr_map **diep);
int cpu_map__build_core_map(struct perf_cpu_map *cpus, struct cpu_aggr_map **corep);