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authorDon Zickus <dzickus@redhat.com>2014-04-07 14:55:23 -0400
committerJiri Olsa <jolsa@redhat.com>2014-04-22 17:39:20 +0200
commit4b6279579c84cca7f162cfbcb98f66418f3062f3 (patch)
tree798b1f0b07d08c048bcc73a1373fad56b437a61d /tools/perf/builtin-kmem.c
parentf5b1f4e483d55a88ed120e2c62b45ba5b939fa72 (diff)
downloadlinux-4b6279579c84cca7f162cfbcb98f66418f3062f3.tar.gz
perf kmem: Utilize the new generic cpunode_map
Use the previous patch implementation of cpunode_map for builtin-kmem.c Should not be any functional difference. Signed-off-by: Don Zickus <dzickus@redhat.com> Reviewed-by: Namhyung Kim <namhyung@kernel.org> Cc: Li Zefan <lizf@cn.fujitsu.com> Link: http://lkml.kernel.org/r/1396896924-129847-4-git-send-email-dzickus@redhat.com Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Diffstat (limited to 'tools/perf/builtin-kmem.c')
-rw-r--r--tools/perf/builtin-kmem.c78
1 files changed, 3 insertions, 75 deletions
diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index bd91de07d2a9..f91fa4376f4b 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -14,6 +14,7 @@
#include "util/parse-options.h"
#include "util/trace-event.h"
#include "util/data.h"
+#include "util/cpumap.h"
#include "util/debug.h"
@@ -31,9 +32,6 @@ static int caller_lines = -1;
static bool raw_ip;
-static int *cpunode_map;
-static int max_cpu_num;
-
struct alloc_stat {
u64 call_site;
u64 ptr;
@@ -55,76 +53,6 @@ static struct rb_root root_caller_sorted;
static unsigned long total_requested, total_allocated;
static unsigned long nr_allocs, nr_cross_allocs;
-#define PATH_SYS_NODE "/sys/devices/system/node"
-
-static int init_cpunode_map(void)
-{
- FILE *fp;
- int i, err = -1;
-
- fp = fopen("/sys/devices/system/cpu/kernel_max", "r");
- if (!fp) {
- max_cpu_num = 4096;
- return 0;
- }
-
- if (fscanf(fp, "%d", &max_cpu_num) < 1) {
- pr_err("Failed to read 'kernel_max' from sysfs");
- goto out_close;
- }
-
- max_cpu_num++;
-
- cpunode_map = calloc(max_cpu_num, sizeof(int));
- if (!cpunode_map) {
- pr_err("%s: calloc failed\n", __func__);
- goto out_close;
- }
-
- for (i = 0; i < max_cpu_num; i++)
- cpunode_map[i] = -1;
-
- err = 0;
-out_close:
- fclose(fp);
- return err;
-}
-
-static int setup_cpunode_map(void)
-{
- struct dirent *dent1, *dent2;
- DIR *dir1, *dir2;
- unsigned int cpu, mem;
- char buf[PATH_MAX];
-
- if (init_cpunode_map())
- return -1;
-
- dir1 = opendir(PATH_SYS_NODE);
- if (!dir1)
- return 0;
-
- while ((dent1 = readdir(dir1)) != NULL) {
- if (dent1->d_type != DT_DIR ||
- sscanf(dent1->d_name, "node%u", &mem) < 1)
- continue;
-
- snprintf(buf, PATH_MAX, "%s/%s", PATH_SYS_NODE, dent1->d_name);
- dir2 = opendir(buf);
- if (!dir2)
- continue;
- while ((dent2 = readdir(dir2)) != NULL) {
- if (dent2->d_type != DT_LNK ||
- sscanf(dent2->d_name, "cpu%u", &cpu) < 1)
- continue;
- cpunode_map[cpu] = mem;
- }
- closedir(dir2);
- }
- closedir(dir1);
- return 0;
-}
-
static int insert_alloc_stat(unsigned long call_site, unsigned long ptr,
int bytes_req, int bytes_alloc, int cpu)
{
@@ -235,7 +163,7 @@ static int perf_evsel__process_alloc_node_event(struct perf_evsel *evsel,
int ret = perf_evsel__process_alloc_event(evsel, sample);
if (!ret) {
- int node1 = cpunode_map[sample->cpu],
+ int node1 = cpu__get_node(sample->cpu),
node2 = perf_evsel__intval(evsel, sample, "node");
if (node1 != node2)
@@ -772,7 +700,7 @@ int cmd_kmem(int argc, const char **argv, const char *prefix __maybe_unused)
if (!strncmp(argv[0], "rec", 3)) {
return __cmd_record(argc, argv);
} else if (!strcmp(argv[0], "stat")) {
- if (setup_cpunode_map())
+ if (cpu__setup_cpunode_map())
return -1;
if (list_empty(&caller_sort))