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-rw-r--r--tools/perf/util/svghelper.c62
1 files changed, 33 insertions, 29 deletions
diff --git a/tools/perf/util/svghelper.c b/tools/perf/util/svghelper.c
index 76cc54000483..582f4a69cd48 100644
--- a/tools/perf/util/svghelper.c
+++ b/tools/perf/util/svghelper.c
@@ -14,10 +14,12 @@
#include <unistd.h>
#include <string.h>
#include <linux/bitmap.h>
+#include <linux/string.h>
#include <linux/time64.h>
#include <linux/zalloc.h>
+#include <perf/cpumap.h>
-#include "perf.h"
+#include "env.h"
#include "svghelper.h"
#include "cpumap.h"
@@ -694,7 +696,8 @@ struct topology {
int sib_thr_nr;
};
-static void scan_thread_topology(int *map, struct topology *t, int cpu, int *pos)
+static void scan_thread_topology(int *map, struct topology *t, int cpu,
+ int *pos, int nr_cpus)
{
int i;
int thr;
@@ -703,41 +706,37 @@ static void scan_thread_topology(int *map, struct topology *t, int cpu, int *pos
if (!test_bit(cpu, cpumask_bits(&t->sib_thr[i])))
continue;
- for_each_set_bit(thr,
- cpumask_bits(&t->sib_thr[i]),
- MAX_NR_CPUS)
+ for_each_set_bit(thr, cpumask_bits(&t->sib_thr[i]), nr_cpus)
if (map[thr] == -1)
map[thr] = (*pos)++;
}
}
-static void scan_core_topology(int *map, struct topology *t)
+static void scan_core_topology(int *map, struct topology *t, int nr_cpus)
{
int pos = 0;
int i;
int cpu;
for (i = 0; i < t->sib_core_nr; i++)
- for_each_set_bit(cpu,
- cpumask_bits(&t->sib_core[i]),
- MAX_NR_CPUS)
- scan_thread_topology(map, t, cpu, &pos);
+ for_each_set_bit(cpu, cpumask_bits(&t->sib_core[i]), nr_cpus)
+ scan_thread_topology(map, t, cpu, &pos, nr_cpus);
}
-static int str_to_bitmap(char *s, cpumask_t *b)
+static int str_to_bitmap(char *s, cpumask_t *b, int nr_cpus)
{
int i;
int ret = 0;
- struct cpu_map *m;
+ struct perf_cpu_map *m;
int c;
- m = cpu_map__new(s);
+ m = perf_cpu_map__new(s);
if (!m)
return -1;
for (i = 0; i < m->nr; i++) {
c = m->map[i];
- if (c >= MAX_NR_CPUS) {
+ if (c >= nr_cpus) {
ret = -1;
break;
}
@@ -745,29 +744,34 @@ static int str_to_bitmap(char *s, cpumask_t *b)
set_bit(c, cpumask_bits(b));
}
- cpu_map__put(m);
+ perf_cpu_map__put(m);
return ret;
}
-int svg_build_topology_map(char *sib_core, int sib_core_nr,
- char *sib_thr, int sib_thr_nr)
+int svg_build_topology_map(struct perf_env *env)
{
- int i;
+ int i, nr_cpus;
struct topology t;
+ char *sib_core, *sib_thr;
+
+ nr_cpus = min(env->nr_cpus_online, MAX_NR_CPUS);
+
+ t.sib_core_nr = env->nr_sibling_cores;
+ t.sib_thr_nr = env->nr_sibling_threads;
+ t.sib_core = calloc(env->nr_sibling_cores, sizeof(cpumask_t));
+ t.sib_thr = calloc(env->nr_sibling_threads, sizeof(cpumask_t));
- t.sib_core_nr = sib_core_nr;
- t.sib_thr_nr = sib_thr_nr;
- t.sib_core = calloc(sib_core_nr, sizeof(cpumask_t));
- t.sib_thr = calloc(sib_thr_nr, sizeof(cpumask_t));
+ sib_core = env->sibling_cores;
+ sib_thr = env->sibling_threads;
if (!t.sib_core || !t.sib_thr) {
fprintf(stderr, "topology: no memory\n");
goto exit;
}
- for (i = 0; i < sib_core_nr; i++) {
- if (str_to_bitmap(sib_core, &t.sib_core[i])) {
+ for (i = 0; i < env->nr_sibling_cores; i++) {
+ if (str_to_bitmap(sib_core, &t.sib_core[i], nr_cpus)) {
fprintf(stderr, "topology: can't parse siblings map\n");
goto exit;
}
@@ -775,8 +779,8 @@ int svg_build_topology_map(char *sib_core, int sib_core_nr,
sib_core += strlen(sib_core) + 1;
}
- for (i = 0; i < sib_thr_nr; i++) {
- if (str_to_bitmap(sib_thr, &t.sib_thr[i])) {
+ for (i = 0; i < env->nr_sibling_threads; i++) {
+ if (str_to_bitmap(sib_thr, &t.sib_thr[i], nr_cpus)) {
fprintf(stderr, "topology: can't parse siblings map\n");
goto exit;
}
@@ -784,16 +788,16 @@ int svg_build_topology_map(char *sib_core, int sib_core_nr,
sib_thr += strlen(sib_thr) + 1;
}
- topology_map = malloc(sizeof(int) * MAX_NR_CPUS);
+ topology_map = malloc(sizeof(int) * nr_cpus);
if (!topology_map) {
fprintf(stderr, "topology: no memory\n");
goto exit;
}
- for (i = 0; i < MAX_NR_CPUS; i++)
+ for (i = 0; i < nr_cpus; i++)
topology_map[i] = -1;
- scan_core_topology(topology_map, &t);
+ scan_core_topology(topology_map, &t, nr_cpus);
return 0;