Merge pull request #25532 from Werkov/fix-cgtop-args

cgtop: Do not rewrite -P or -k options

src/cgtop/cgtop.c

@@ -56,6 +56,12 @@ typedef struct Group {
         uint64_t io_input_bps, io_output_bps;
 } Group;
 
+typedef enum PidsCount {
+        COUNT_USERSPACE_PROCESSES,
+        COUNT_ALL_PROCESSES,
+        COUNT_PIDS,
+} PidsCount;
+
 static unsigned arg_depth = 3;
 static unsigned arg_iterations = UINT_MAX;
 static bool arg_batch = false;
@@ -66,11 +72,7 @@ static char* arg_root = NULL;
 static bool arg_recursive = true;
 static bool arg_recursive_unset = false;
 
-static enum {
-        COUNT_PIDS,
-        COUNT_USERSPACE_PROCESSES,
-        COUNT_ALL_PROCESSES,
-} arg_count = COUNT_PIDS;
+static PidsCount arg_count = COUNT_PIDS;
 
 static enum {
         ORDER_PATH,
@@ -916,6 +918,7 @@ static int run(int argc, char *argv[]) {
         usec_t last_refresh = 0;
         bool quit = false, immediate_refresh = false;
         _cleanup_free_ char *root = NULL;
+        PidsCount possible_count;
         CGroupMask mask;
         int r;
 
@@ -929,7 +932,8 @@ static int run(int argc, char *argv[]) {
         if (r < 0)
                 return log_error_errno(r, "Failed to determine supported controllers: %m");
 
-        arg_count = (mask & CGROUP_MASK_PIDS) ? COUNT_PIDS : COUNT_USERSPACE_PROCESSES;
+        possible_count = (mask & CGROUP_MASK_PIDS) ? COUNT_PIDS : COUNT_ALL_PROCESSES;
+        arg_count = MIN(possible_count, arg_count);
 
         if (arg_recursive_unset && arg_count == COUNT_PIDS)
                 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),