1 files changed, 10 insertions, 91 deletions

diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index 6450c75a6f5b..988111e0bab5 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -13,7 +13,6 @@
 #include <string.h>
 #include <errno.h>
 #include <limits.h>
-#include <byteswap.h>
 #include <linux/kernel.h>
 #include <linux/log2.h>
 #include <linux/time64.h>
@@ -335,33 +334,6 @@ int hex2u64(const char *ptr, u64 *long_val)
 	return p - ptr;
 }
 
-unsigned long parse_tag_value(const char *str, struct parse_tag *tags)
-{
-	struct parse_tag *i = tags;
-
-	while (i->tag) {
-		char *s;
-
-		s = strchr(str, i->tag);
-		if (s) {
-			unsigned long int value;
-			char *endptr;
-
-			value = strtoul(str, &endptr, 10);
-			if (s != endptr)
-				break;
-
-			if (value > ULONG_MAX / i->mult)
-				break;
-			value *= i->mult;
-			return value;
-		}
-		i++;
-	}
-
-	return (unsigned long) -1;
-}
-
 int perf_event_paranoid(void)
 {
 	int value;
@@ -371,64 +343,6 @@ int perf_event_paranoid(void)
 
 	return value;
 }
-
-void mem_bswap_32(void *src, int byte_size)
-{
-	u32 *m = src;
-	while (byte_size > 0) {
-		*m = bswap_32(*m);
-		byte_size -= sizeof(u32);
-		++m;
-	}
-}
-
-void mem_bswap_64(void *src, int byte_size)
-{
-	u64 *m = src;
-
-	while (byte_size > 0) {
-		*m = bswap_64(*m);
-		byte_size -= sizeof(u64);
-		++m;
-	}
-}
-
-bool find_process(const char *name)
-{
-	size_t len = strlen(name);
-	DIR *dir;
-	struct dirent *d;
-	int ret = -1;
-
-	dir = opendir(procfs__mountpoint());
-	if (!dir)
-		return false;
-
-	/* Walk through the directory. */
-	while (ret && (d = readdir(dir)) != NULL) {
-		char path[PATH_MAX];
-		char *data;
-		size_t size;
-
-		if ((d->d_type != DT_DIR) ||
-		     !strcmp(".", d->d_name) ||
-		     !strcmp("..", d->d_name))
-			continue;
-
-		scnprintf(path, sizeof(path), "%s/%s/comm",
-			  procfs__mountpoint(), d->d_name);
-
-		if (filename__read_str(path, &data, &size))
-			continue;
-
-		ret = strncmp(name, data, len);
-		free(data);
-	}
-
-	closedir(dir);
-	return ret ? false : true;
-}
-
 static int
 fetch_ubuntu_kernel_version(unsigned int *puint)
 {
@@ -436,8 +350,12 @@ fetch_ubuntu_kernel_version(unsigned int *puint)
 	size_t line_len = 0;
 	char *ptr, *line = NULL;
 	int version, patchlevel, sublevel, err;
-	FILE *vsig = fopen("/proc/version_signature", "r");
+	FILE *vsig;
+
+	if (!puint)
+		return 0;
 
+	vsig = fopen("/proc/version_signature", "r");
 	if (!vsig) {
 		pr_debug("Open /proc/version_signature failed: %s\n",
 			 strerror(errno));
@@ -467,8 +385,7 @@ fetch_ubuntu_kernel_version(unsigned int *puint)
 		goto errout;
 	}
 
-	if (puint)
-		*puint = (version << 16) + (patchlevel << 8) + sublevel;
+	*puint = (version << 16) + (patchlevel << 8) + sublevel;
 	err = 0;
 errout:
 	free(line);
@@ -495,6 +412,9 @@ fetch_kernel_version(unsigned int *puint, char *str,
 		str[str_size - 1] = '\0';
 	}
 
+	if (!puint || int_ver_ready)
+		return 0;
+
 	err = sscanf(utsname.release, "%d.%d.%d",
 		     &version, &patchlevel, &sublevel);
 
@@ -504,8 +424,7 @@ fetch_kernel_version(unsigned int *puint, char *str,
 		return -1;
 	}
 
-	if (puint && !int_ver_ready)
-		*puint = (version << 16) + (patchlevel << 8) + sublevel;
+	*puint = (version << 16) + (patchlevel << 8) + sublevel;
 	return 0;
 }