diff options
author | Steven Rostedt <rostedt@goodmis.org> | 2008-09-29 23:02:41 -0400 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-10-14 10:38:57 +0200 |
commit | 3928a8a2d98081d1bc3c0a84a2d70e29b90ecf1c (patch) | |
tree | 5c1fd6fd721e2e9a5c47facfd50fbc011b3db53a /kernel/trace/trace_boot.c | |
parent | ed56829cb3195de499f97fa6108fe9134319bae6 (diff) |
ftrace: make work with new ring buffer
This patch ports ftrace over to the new ring buffer.
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/trace/trace_boot.c')
-rw-r--r-- | kernel/trace/trace_boot.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/kernel/trace/trace_boot.c b/kernel/trace/trace_boot.c index d5c9e2e4a9c..3657eec6b87 100644 --- a/kernel/trace/trace_boot.c +++ b/kernel/trace/trace_boot.c @@ -34,7 +34,7 @@ static void boot_trace_init(struct trace_array *tr) trace_boot_enabled = 0; for_each_cpu_mask(cpu, cpu_possible_map) - tracing_reset(tr->data[cpu]); + tracing_reset(tr, cpu); } static void boot_trace_ctrl_update(struct trace_array *tr) @@ -74,6 +74,7 @@ struct tracer boot_tracer __read_mostly = void trace_boot(struct boot_trace *it) { + struct ring_buffer_event *event; struct trace_entry *entry; struct trace_array_cpu *data; unsigned long irq_flags; @@ -85,17 +86,18 @@ void trace_boot(struct boot_trace *it) preempt_disable(); data = tr->data[smp_processor_id()]; - raw_local_irq_save(irq_flags); - __raw_spin_lock(&data->lock); - - entry = tracing_get_trace_entry(tr, data); + event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry), + &irq_flags); + if (!event) + goto out; + entry = ring_buffer_event_data(event); tracing_generic_entry_update(entry, 0); entry->type = TRACE_BOOT; entry->field.initcall = *it; + ring_buffer_unlock_commit(tr->buffer, event, irq_flags); - __raw_spin_unlock(&data->lock); - raw_local_irq_restore(irq_flags); trace_wake_up(); + out: preempt_enable(); } |