Changeset 516adce in mainline for kernel/generic/src

Timestamp:

2010-04-07T10:24:00Z (15 years ago)

Author:

Stanislav Kozina <stanislav.kozina@…>

Branches:

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

Children:

36b5b0f

Parents:

1ba37fa

Message:

top echoes also physical memory overview

Location:

kernel/generic/src

Files:

• main/main.c (modified) (1 diff)
• mm/frame.c (modified) (1 diff)
• ps/mem.c (added)
• syscall/syscall.c (modified) (1 diff)

kernel/generic/src/main/main.c

@@ -224 +224 @@
         printf("Detected %" PRIs " CPU(s), %" PRIu64" MiB free memory\n",
             config.cpu_count, SIZE2MB(zone_total_size()));
-        
+
         LOG_EXEC(cpu_init());
         

kernel/generic/src/mm/frame.c

@@ -1218 +1218 @@
 }
 
+void zone_busy_and_free(uint64_t *out_busy, uint64_t *out_free)
+{
+        ipl_t ipl = interrupts_disable();
+        spinlock_lock(&zones.lock);
+
+        uint64_t busy = 0, free = 0;
+        size_t i;
+        for (i = 0; i < zones.count; i++) {
+                bool available = zone_flags_available(zones.info[i].flags);
+                /* Do not count reserved memory */
+                if (available) {
+                        busy += (uint64_t) FRAMES2SIZE(zones.info[i].busy_count);
+                        free += (uint64_t) FRAMES2SIZE(zones.info[i].free_count);
+                }
+        }
+
+        spinlock_unlock(&zones.lock);
+        interrupts_restore(ipl);
+        *out_busy = busy;
+        *out_free = free;
+}
+
 /** Prints list of zones. */
 void zone_print_list(void)

kernel/generic/src/syscall/syscall.c

@@ -171 +171 @@
         /* Ps calls */
         (syshandler_t) sys_ps_get_cpu_info,
+        (syshandler_t) sys_ps_get_mem_info,
         (syshandler_t) sys_ps_get_tasks,
         (syshandler_t) sys_ps_get_task_info,