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Date: Tue, 4 Jan 2022 22:13:05 -0800
From: Ian Rogers <irogers@...gle.com>
To: Andi Kleen <ak@...ux.intel.com>, Jiri Olsa <jolsa@...hat.com>,
Namhyung Kim <namhyung@...nel.org>,
John Garry <john.garry@...wei.com>,
Kajol Jain <kjain@...ux.ibm.com>,
"Paul A . Clarke" <pc@...ibm.com>,
Arnaldo Carvalho de Melo <acme@...nel.org>,
Riccardo Mancini <rickyman7@...il.com>,
Kan Liang <kan.liang@...ux.intel.com>,
Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
Vineet Singh <vineet.singh@...el.com>,
James Clark <james.clark@....com>,
Mathieu Poirier <mathieu.poirier@...aro.org>,
Suzuki K Poulose <suzuki.poulose@....com>,
Mike Leach <mike.leach@...aro.org>,
Leo Yan <leo.yan@...aro.org>, coresight@...ts.linaro.org,
linux-arm-kernel@...ts.infradead.org, zhengjun.xing@...el.com
Cc: eranian@...gle.com, Ian Rogers <irogers@...gle.com>
Subject: [PATCH v4 02/48] perf stat: Add aggr creators that are passed a cpu.
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@....com>
Signed-off-by: Ian Rogers <irogers@...gle.com>
---
tools/perf/util/cpumap.c | 79 +++++++++++++++++++++++-----------------
tools/perf/util/cpumap.h | 6 ++-
2 files changed, 51 insertions(+), 34 deletions(-)
diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c
index 87d3eca9b872..49fba2c53822 100644
--- a/tools/perf/util/cpumap.c
+++ b/tools/perf/util/cpumap.c
@@ -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;
@@ -260,19 +259,33 @@ 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();
+ 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 id;
+ return cpu_map__empty_aggr_cpu_id();
- id.node = cpu_map__get_node_id(map->map[idx]);
- return 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)
diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h
index a27eeaf086e8..c62d67704425 100644
--- a/tools/perf/util/cpumap.h
+++ b/tools/perf/util/cpumap.h
@@ -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);
--
2.34.1.448.ga2b2bfdf31-goog
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