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-rw-r--r--tools/perf/util/util.c52
1 files changed, 10 insertions, 42 deletions
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index 28c9f335006c..988111e0bab5 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -343,43 +343,6 @@ int perf_event_paranoid(void)
return value;
}
-
-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)
{
@@ -387,8 +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));
@@ -418,8 +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);
@@ -446,6 +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);
@@ -455,8 +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;
}