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rt-tests
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handle stupid systemd automount of debugfs 

Signed-off-by: Clark Williams <williams@redhat.com>
This commit is contained in:
Clark Williams 2011-09-07 15:32:54 -05:00
parent 7c59bf385d
commit ff044e7142
1 changed files with 19 additions and 3 deletions
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22
src/lib/rt-utils.c
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@ -25,6 +25,7 @@ char *get_debugfileprefix(void)
char type[100];
FILE *fp;
int size;
int found = 0;
if (debugfileprefix[0] != '\0')
return debugfileprefix;
@ -36,12 +37,19 @@ char *get_debugfileprefix(void)
STR(MAX_PATH)
"s %99s %*s %*d %*d\n",
debugfileprefix, type) == 2) {
if (strcmp(type, "debugfs") == 0)
if (strcmp(type, "debugfs") == 0) {
found = 1;
break;
}
if ((strcmp(debugfileprefix, "/sys/kernel/debug") == 0) &&
(strcmp(type, "systemd") == 0)) {
found = 1;
break;
}
}
fclose(fp);
if (strcmp(type, "debugfs") != 0) {
if (!found) {
debugfileprefix[0] = '\0';
return debugfileprefix;
}
@ -56,15 +64,23 @@ int mount_debugfs(char *path)
{
char *mountpoint = path;
char cmd[MAX_PATH];
char *prefix;
int ret;
if (get_debugfileprefix())
if (!path)
printf("mount_debugfs: null input\n");
prefix = get_debugfileprefix();
if (strlen(prefix)) {
printf("mount_debugfs: current debug fileprefix: %s\n", prefix);
return 0;
}
if (!mountpoint)
mountpoint = "/sys/kernel/debug";
sprintf(cmd, "mount -t debugfs debugfs %s", mountpoint);
printf("running: %s\n", cmd);
ret = system(cmd);
if (ret != 0) {
fprintf(stderr, "Error mounting debugfs at %s: %s\n", mountpoint, strerror(errno));