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_mmiotrace.c | |
parent | ed56829cb3195de499f97fa6108fe9134319bae6 (diff) | |
download | kernel_samsung_tuna-3928a8a2d98081d1bc3c0a84a2d70e29b90ecf1c.zip kernel_samsung_tuna-3928a8a2d98081d1bc3c0a84a2d70e29b90ecf1c.tar.gz kernel_samsung_tuna-3928a8a2d98081d1bc3c0a84a2d70e29b90ecf1c.tar.bz2 |
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_mmiotrace.c')
-rw-r--r-- | kernel/trace/trace_mmiotrace.c | 40 |
1 files changed, 22 insertions, 18 deletions
diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c index a108c32..bdbf09d 100644 --- a/kernel/trace/trace_mmiotrace.c +++ b/kernel/trace/trace_mmiotrace.c @@ -27,7 +27,7 @@ static void mmio_reset_data(struct trace_array *tr) tr->time_start = ftrace_now(tr->cpu); for_each_online_cpu(cpu) - tracing_reset(tr->data[cpu]); + tracing_reset(tr, cpu); } static void mmio_trace_init(struct trace_array *tr) @@ -130,10 +130,14 @@ static unsigned long count_overruns(struct trace_iterator *iter) { int cpu; unsigned long cnt = 0; +/* FIXME: */ +#if 0 for_each_online_cpu(cpu) { cnt += iter->overrun[cpu]; iter->overrun[cpu] = 0; } +#endif + (void)cpu; return cnt; } @@ -176,7 +180,7 @@ static int mmio_print_rw(struct trace_iterator *iter) struct trace_entry *entry = iter->ent; struct mmiotrace_rw *rw = &entry->field.mmiorw; struct trace_seq *s = &iter->seq; - unsigned long long t = ns2usecs(entry->field.t); + unsigned long long t = ns2usecs(iter->ts); unsigned long usec_rem = do_div(t, 1000000ULL); unsigned secs = (unsigned long)t; int ret = 1; @@ -218,7 +222,7 @@ static int mmio_print_map(struct trace_iterator *iter) struct trace_entry *entry = iter->ent; struct mmiotrace_map *m = &entry->field.mmiomap; struct trace_seq *s = &iter->seq; - unsigned long long t = ns2usecs(entry->field.t); + unsigned long long t = ns2usecs(iter->ts); unsigned long usec_rem = do_div(t, 1000000ULL); unsigned secs = (unsigned long)t; int ret = 1; @@ -250,7 +254,7 @@ static int mmio_print_mark(struct trace_iterator *iter) struct trace_entry *entry = iter->ent; const char *msg = entry->field.print.buf; struct trace_seq *s = &iter->seq; - unsigned long long t = ns2usecs(entry->field.t); + unsigned long long t = ns2usecs(iter->ts); unsigned long usec_rem = do_div(t, 1000000ULL); unsigned secs = (unsigned long)t; int ret; @@ -303,19 +307,19 @@ static void __trace_mmiotrace_rw(struct trace_array *tr, struct trace_array_cpu *data, struct mmiotrace_rw *rw) { + struct ring_buffer_event *event; struct trace_entry *entry; unsigned long irq_flags; - 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) + return; + entry = ring_buffer_event_data(event); tracing_generic_entry_update(entry, 0); entry->type = TRACE_MMIO_RW; entry->field.mmiorw = *rw; - - __raw_spin_unlock(&data->lock); - raw_local_irq_restore(irq_flags); + ring_buffer_unlock_commit(tr->buffer, event, irq_flags); trace_wake_up(); } @@ -331,19 +335,19 @@ static void __trace_mmiotrace_map(struct trace_array *tr, struct trace_array_cpu *data, struct mmiotrace_map *map) { + struct ring_buffer_event *event; struct trace_entry *entry; unsigned long irq_flags; - 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) + return; + entry = ring_buffer_event_data(event); tracing_generic_entry_update(entry, 0); entry->type = TRACE_MMIO_MAP; entry->field.mmiomap = *map; - - __raw_spin_unlock(&data->lock); - raw_local_irq_restore(irq_flags); + ring_buffer_unlock_commit(tr->buffer, event, irq_flags); trace_wake_up(); } |