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Commit 77cfe388 authored by Namhyung Kim's avatar Namhyung Kim Committed by Arnaldo Carvalho de Melo
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perf kmem: Print big numbers using thousands' group 



Like perf stat, this makes easy to read the numbers on stat like below:

  # perf kmem stat

  SUMMARY
  =======
  Total bytes requested: 9,770,900
  Total bytes allocated: 9,782,712
  Total bytes wasted on internal fragmentation: 11,812
  Internal fragmentation: 0.120744%
  Cross CPU allocations: 74/152,819

Suggested-by: default avatarIngo Molnar <mingo@kernel.org>
Signed-off-by: default avatarNamhyung Kim <namhyung@kernel.org>
Tested-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Joonsoo Kim <js1304@gmail.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1427092244-22764-2-git-send-email-namhyung@kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 929a6bb7

tools/perf/builtin-kmem.c

+7 −4
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ 


#include <linux/rbtree.h>

#include <linux/string.h>

#include <locale.h>



struct alloc_stat;

typedef int (*sort_fn_t)(struct alloc_stat *, struct alloc_stat *);
@@ -325,13 +326,13 @@ static void __print_result(struct rb_root *root, struct perf_session *session, 
static void print_summary(void)

{

	printf("\nSUMMARY\n=======\n");

	printf("Total bytes requested: %lu\n", total_requested);

	printf("Total bytes allocated: %lu\n", total_allocated);

	printf("Total bytes wasted on internal fragmentation: %lu\n",

	printf("Total bytes requested: %'lu\n", total_requested);

	printf("Total bytes allocated: %'lu\n", total_allocated);

	printf("Total bytes wasted on internal fragmentation: %'lu\n",

	       total_allocated - total_requested);

	printf("Internal fragmentation: %f%%\n",

	       fragmentation(total_requested, total_allocated));

	printf("Cross CPU allocations: %lu/%lu\n", nr_cross_allocs, nr_allocs);

	printf("Cross CPU allocations: %'lu/%'lu\n", nr_cross_allocs, nr_allocs);

}



static void print_result(struct perf_session *session)
@@ -706,6 +707,8 @@ int cmd_kmem(int argc, const char **argv, const char *prefix __maybe_unused) 
	symbol__init(&session->header.env);



	if (!strcmp(argv[0], "stat")) {

		setlocale(LC_ALL, "");



		if (cpu__setup_cpunode_map())

			goto out_delete;