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Subject: Re: [PATCH 3/3] perf events: Change perf parameter --pid to
	process-wide collection instead of thread-wide
From: "Zhang, Yanmin" <yanmin_zhang@linux.intel.com>
To: Li Zefan <lizf@cn.fujitsu.com>
Cc: Ingo Molnar <mingo@elte.hu>, Arnaldo Carvalho de Melo <acme@redhat.com>,
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	Zachary Amsden <zamsden@redhat.com>
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Date: Thu, 25 Mar 2010 16:47:44 +0800
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diff -Nraup linux-2.6_tip0324/tools/perf/builtin-record.c linux-2.6_tip0324_perfkvm/tools/perf/builtin-record.c
--- linux-2.6_tip0324/tools/perf/builtin-record.c	2010-03-25 10:58:13.308912201 +0800
+++ linux-2.6_tip0324_perfkvm/tools/perf/builtin-record.c	2010-03-25 16:14:18.201475298 +0800
@@ -751,7 +751,7 @@ int cmd_record(int argc, const char **ar
 	for (i = 0; i < MAX_NR_CPUS; i++) {
 		for (j = 0; j < MAX_COUNTERS; j++) {
 			fd[i][j] = malloc(sizeof(int)*thread_num);
-			mmap_array[i][j] = malloc(
+			mmap_array[i][j] = zalloc(
 				sizeof(struct mmap_data)*thread_num);
 			if (!fd[i][j] || !mmap_array[i][j])
 				return -ENOMEM;
diff -Nraup linux-2.6_tip0324/tools/perf/builtin-top.c linux-2.6_tip0324_perfkvm/tools/perf/builtin-top.c
--- linux-2.6_tip0324/tools/perf/builtin-top.c	2010-03-25 10:58:13.284848937 +0800
+++ linux-2.6_tip0324_perfkvm/tools/perf/builtin-top.c	2010-03-25 16:14:56.875266645 +0800
@@ -1371,7 +1371,7 @@ int cmd_top(int argc, const char **argv,
 	for (i = 0; i < MAX_NR_CPUS; i++) {
 		for (j = 0; j < MAX_COUNTERS; j++) {
 			fd[i][j] = malloc(sizeof(int)*thread_num);
-			mmap_array[i][j] = malloc(
+			mmap_array[i][j] = zalloc(
 				sizeof(struct mmap_data)*thread_num);
 			if (!fd[i][j] || !mmap_array[i][j])
 				return -ENOMEM;