Changeset 944f2cab in mainline for uspace/app/ps/ps.c

Timestamp:

2010-03-31T09:30:04Z (14 years ago)

Author:

Stanislav Kozina <stanislav.kozina@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

e257ae3

Parents:

3a10e34

Message:

ps -l echoes system load

File:

• uspace/app/ps/ps.c (modified) (4 diffs)

uspace/app/ps/ps.c

@@ -42 +42 @@
 #include <stdlib.h>
 #include <malloc.h>
+#include <load.h>
 
 #include "func.h"
@@ -120 +121 @@
 }
 
+static void echo_load(void)
+{
+        size_t load[3];
+        load[0] = 0;
+        load[1] = 0;
+        load[2] = 0;
+        get_load(load);
+        printf("Current load: %d.%03d %d.%03d %d.%03d\n", load[0] >> 11, (load[0] & 0x7ff) / 2, load[1] >> 11, (load[1] & 0x7ff) / 2, load[2] >> 11, (load[2] & 0x7ff) / 2);
+}
+
 static void usage()
 {
-        printf("Usage: ps [-t pid]\n");
+        printf("Usage: ps [-t pid -l]\n");
 }
 
@@ -140 +151 @@
                         task_id_t taskid = strtol(*argv, NULL, 10);
                         list_threads(taskid);
+                } if (str_cmp(*argv, "-l") == 0) {
+                        --argc; ++argv;
+                        if (argc != 0) {
+                                printf("Bad argument count!\n");
+                                usage();
+                                exit(1);
+                        }
+                        echo_load();
                 } else {
                         printf("Unknown argument %s!\n", *argv);
@@ -145 +164 @@
                         exit(1);
                 }
-
         } else {
                 list_tasks();