| Arnaldo Carvalho de Melo | de4d1db | 2007-11-21 22:02:58 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Define default pcounter functions |
| 3 | * Note that often used pcounters use dedicated functions to get a speed increase. |
| 4 | * (see DEFINE_PCOUNTER/REF_PCOUNTER_MEMBER) |
| 5 | */ |
| 6 | |
| 7 | #include <linux/module.h> |
| 8 | #include <linux/pcounter.h> |
| 9 | #include <linux/smp.h> |
| 10 | |
| 11 | void pcounter_def_add(struct pcounter *self, int inc) |
| 12 | { |
| 13 | per_cpu_ptr(self->per_cpu_values, smp_processor_id())[0] += inc; |
| 14 | } |
| 15 | |
| 16 | EXPORT_SYMBOL_GPL(pcounter_def_add); |
| 17 | |
| 18 | int pcounter_def_getval(const struct pcounter *self) |
| 19 | { |
| 20 | int res = 0, cpu; |
| 21 | for_each_possible_cpu(cpu) |
| 22 | res += per_cpu_ptr(self->per_cpu_values, cpu)[0]; |
| 23 | return res; |
| 24 | } |
| 25 | |
| 26 | EXPORT_SYMBOL_GPL(pcounter_def_getval); |