X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=drivers%2Foprofile%2Fcpu_buffer.c;h=a83c3db7d18fb81a1cd58347ea22ce12a8f9b29c;hb=615bb29ccbe9fa06d9f33b29d9c3f51340726656;hp=026f671ea55870bcecfe82e510004d33967eb5ad;hpb=a8b3e6f10f08f66ae1072efd087b30966a3654f6;p=~andy%2Flinux diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c index 026f671ea55..a83c3db7d18 100644 --- a/drivers/oprofile/cpu_buffer.c +++ b/drivers/oprofile/cpu_buffer.c @@ -29,7 +29,7 @@ struct oprofile_cpu_buffer cpu_buffer[NR_CPUS] __cacheline_aligned; -static void wq_sync_buffer(void *); +static void wq_sync_buffer(struct work_struct *work); #define DEFAULT_TIMER_EXPIRE (HZ / 10) static int work_enabled; @@ -38,9 +38,8 @@ void free_cpu_buffers(void) { int i; - for_each_online_cpu(i) { + for_each_online_cpu(i) vfree(cpu_buffer[i].buffer); - } } int alloc_cpu_buffers(void) @@ -52,7 +51,8 @@ int alloc_cpu_buffers(void) for_each_online_cpu(i) { struct oprofile_cpu_buffer * b = &cpu_buffer[i]; - b->buffer = vmalloc(sizeof(struct op_sample) * buffer_size); + b->buffer = vmalloc_node(sizeof(struct op_sample) * buffer_size, + cpu_to_node(i)); if (!b->buffer) goto fail; @@ -65,7 +65,7 @@ int alloc_cpu_buffers(void) b->sample_received = 0; b->sample_lost_overflow = 0; b->cpu = i; - INIT_WORK(&b->work, wq_sync_buffer, b); + INIT_DELAYED_WORK(&b->work, wq_sync_buffer); } return 0; @@ -217,11 +217,10 @@ static void oprofile_end_trace(struct oprofile_cpu_buffer * cpu_buf) cpu_buf->tracing = 0; } -void oprofile_add_sample(struct pt_regs * const regs, unsigned long event) +void oprofile_add_ext_sample(unsigned long pc, struct pt_regs * const regs, + unsigned long event, int is_kernel) { struct oprofile_cpu_buffer * cpu_buf = &cpu_buffer[smp_processor_id()]; - unsigned long pc = profile_pc(regs); - int is_kernel = !user_mode(regs); if (!backtrace_depth) { log_sample(cpu_buf, pc, is_kernel, event); @@ -238,6 +237,14 @@ void oprofile_add_sample(struct pt_regs * const regs, unsigned long event) oprofile_end_trace(cpu_buf); } +void oprofile_add_sample(struct pt_regs * const regs, unsigned long event) +{ + int is_kernel = !user_mode(regs); + unsigned long pc = profile_pc(regs); + + oprofile_add_ext_sample(pc, regs, event, is_kernel); +} + void oprofile_add_pc(unsigned long pc, int is_kernel, unsigned long event) { struct oprofile_cpu_buffer * cpu_buf = &cpu_buffer[smp_processor_id()]; @@ -275,9 +282,10 @@ void oprofile_add_trace(unsigned long pc) * By using schedule_delayed_work_on and then schedule_delayed_work * we guarantee this will stay on the correct cpu */ -static void wq_sync_buffer(void * data) +static void wq_sync_buffer(struct work_struct *work) { - struct oprofile_cpu_buffer * b = data; + struct oprofile_cpu_buffer * b = + container_of(work, struct oprofile_cpu_buffer, work.work); if (b->cpu != smp_processor_id()) { printk("WQ on CPU%d, prefer CPU%d\n", smp_processor_id(), b->cpu);