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authorArnaldo Carvalho de Melo <acme@redhat.com>2011-11-16 12:55:59 -0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2011-11-28 10:11:04 -0200
commitc168fbfb93a1c4044287858c6784f0bd1f6cfe33 (patch)
tree517df56c9a1db500e1ccb2bab4a9eac4e9db93d0 /tools/perf/util/cgroup.c
parentc23205c8488f11cb9ebe7a7b5851a1d8a0171011 (diff)
downloadlinux-c168fbfb93a1c4044287858c6784f0bd1f6cfe33.tar.gz
perf tools: Eliminate duplicate code and use PATH_MAX consistently
No need for multiple definitions for STR() and die(), also use SuSv2's
PATH_MAX instead of adding MAX_PATH.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-qpujjkw7u0bf0tr4wt55cr9y@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/cgroup.c')
-rw-r--r--tools/perf/util/cgroup.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/tools/perf/util/cgroup.c b/tools/perf/util/cgroup.c
index 96bee5c46008..dbe2f16b1a1a 100644
--- a/tools/perf/util/cgroup.c
+++ b/tools/perf/util/cgroup.c
@@ -3,7 +3,6 @@
 #include "parse-options.h"
 #include "evsel.h"
 #include "cgroup.h"
-#include "debugfs.h" /* MAX_PATH, STR() */
 #include "evlist.h"
 
 int nr_cgroups;
@@ -12,7 +11,7 @@ static int
 cgroupfs_find_mountpoint(char *buf, size_t maxlen)
 {
 	FILE *fp;
-	char mountpoint[MAX_PATH+1], tokens[MAX_PATH+1], type[MAX_PATH+1];
+	char mountpoint[PATH_MAX + 1], tokens[PATH_MAX + 1], type[PATH_MAX + 1];
 	char *token, *saved_ptr = NULL;
 	int found = 0;
 
@@ -25,8 +24,8 @@ cgroupfs_find_mountpoint(char *buf, size_t maxlen)
 	 * and inspect every cgroupfs mount point to find one that has
 	 * perf_event subsystem
 	 */
-	while (fscanf(fp, "%*s %"STR(MAX_PATH)"s %"STR(MAX_PATH)"s %"
-				STR(MAX_PATH)"s %*d %*d\n",
+	while (fscanf(fp, "%*s %"STR(PATH_MAX)"s %"STR(PATH_MAX)"s %"
+				STR(PATH_MAX)"s %*d %*d\n",
 				mountpoint, type, tokens) == 3) {
 
 		if (!strcmp(type, "cgroup")) {
@@ -57,15 +56,15 @@ cgroupfs_find_mountpoint(char *buf, size_t maxlen)
 
 static int open_cgroup(char *name)
 {
-	char path[MAX_PATH+1];
-	char mnt[MAX_PATH+1];
+	char path[PATH_MAX + 1];
+	char mnt[PATH_MAX + 1];
 	int fd;
 
 
-	if (cgroupfs_find_mountpoint(mnt, MAX_PATH+1))
+	if (cgroupfs_find_mountpoint(mnt, PATH_MAX + 1))
 		return -1;
 
-	snprintf(path, MAX_PATH, "%s/%s", mnt, name);
+	snprintf(path, PATH_MAX, "%s/%s", mnt, name);
 
 	fd = open(path, O_RDONLY);
 	if (fd == -1)