Changeset d0c82c5 in mainline for uspace/app/top/top.c

Timestamp:

2010-06-16T19:44:53Z (15 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

5387807

Parents:

5954241

Message:

perfect CPU cycles accounting, cherry-picked and adopted from lp:~ersin/helenos/measure2

File:

• uspace/app/top/top.c (modified) (2 diffs)

uspace/app/top/top.c

@@ -175 +175 @@
         }
         
-        /* For each CPU: Compute total ticks and divide it between
+        /* For each CPU: Compute total cycles and divide it between
            user and kernel */
         
@@ -181 +181 @@
         for (i = 0; i < new_data->cpus_count; i++) {
                 uint64_t idle =
-                    new_data->cpus[i].idle_ticks - old_data->cpus[i].idle_ticks;
+                    new_data->cpus[i].idle_cycles - old_data->cpus[i].idle_cycles;
                 uint64_t busy =
-                    new_data->cpus[i].busy_ticks - old_data->cpus[i].busy_ticks;
+                    new_data->cpus[i].busy_cycles - old_data->cpus[i].busy_cycles;
                 uint64_t sum = idle + busy;