core: add support for setting CPUAffinity= to special "numa" value

systemd will automatically derive CPU affinity mask from NUMA node mask. Fixes #13248
2020-03-16 08:57:28 +01:00
parent 1808f76870
commit e2b2fb7f56
9 changed files with 125 additions and 13 deletions
@@ -29,6 +29,7 @@
 #include "signal-util.h"
 #include "socket-util.h"
 #include "sort-util.h"
+#include "stdio-util.h"
 #include "string-util.h"
 #include "syslog-util.h"
 #include "terminal-util.h"
@@ -1103,6 +1104,13 @@ static int bus_append_execute_property(sd_bus_message *m, const char *field, con
                _cleanup_free_ uint8_t *array = NULL;
                size_t allocated;

+                if (eq && streq(eq, "numa")) {
+                        r = sd_bus_message_append(m, "(sv)", "CPUAffinityFromNUMA", "b", true);
+                        if (r < 0)
+                                return bus_log_create_error(r);
+                        return r;
+                }
+
                r = parse_cpu_set(eq, &cpuset);
                if (r < 0)
                        return log_error_errno(r, "Failed to parse %s value: %s", field, eq);