systemctl: present CPUAffinity mask as a list of CPU index ranges

(cherry picked from commit a047f4f10ed2f922d6079c033d24a443b0e95f38)

Related: #1734787

1 files changed, 22 insertions, 0 deletions

diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index f072ad0c31..0154b300a3 100644
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -30,6 +30,7 @@
 #include "cgroup-show.h"
 #include "cgroup-util.h"
 #include "copy.h"
+#include "cpu-set-util.h"
 #include "dropin.h"
 #include "efivars.h"
 #include "env-util.h"
@@ -4877,6 +4878,27 @@ static int print_property(const char *name, sd_bus_message *m, bool value, bool
                         print_prop(name, "%s", h);
 
                         return 1;
+                } else if (contents[0] == SD_BUS_TYPE_BYTE && streq(name, "CPUAffinity")) {
+                        _cleanup_free_ char *affinity = NULL;
+                        _cleanup_(cpu_set_reset) CPUSet set = {};
+                        const void *a;
+                        size_t n;
+
+                        r = sd_bus_message_read_array(m, 'y', &a, &n);
+                        if (r < 0)
+                                return bus_log_parse_error(r);
+
+                        r = cpu_set_from_dbus(a, n, &set);
+                        if (r < 0)
+                                return log_error_errno(r, "Failed to deserialize CPUAffinity: %m");
+
+                        affinity = cpu_set_to_range_string(&set);
+                        if (!affinity)
+                                return log_oom();
+
+                        print_prop(name, "%s", affinity);
+
+                        return 1;
                 }
 
                 break;