Changeset d0c82c5 in mainline for kernel/generic/src/cpu/cpu.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:

• kernel/generic/src/cpu/cpu.c (modified) (2 diffs)

kernel/generic/src/cpu/cpu.c

@@ -49 +49 @@
 #include <print.h>
 #include <sysinfo/sysinfo.h>
+#include <arch/cycle.h>
 
 cpu_t *cpus;
@@ -94 +95 @@
         CPU->tlb_active = true;
         
+        CPU->idle = false;
+        CPU->last_cycle = get_cycle();
+        CPU->idle_cycles = 0;
+        CPU->busy_cycles = 0;
+        
         cpu_identify();
         cpu_arch_init();