[PATCH tip 2/2] trace: Remove unused trace_array_cpu parameter

From: Arnaldo Carvalho de Melo
Date: Wed Feb 04 2009 - 21:27:38 EST

Next message: Hisashi Hifumi: "[RESEND] [PATCH] lseek: remove i_mutex"
Previous message: Rafael J. Wysocki: "Re: [Bug 12561] hang during suspend to RAM"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

Impact: cleanup

Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
block/blktrace.c | 2 +-
kernel/trace/trace.c | 47 ++++++++++++++----------------------
kernel/trace/trace.h | 4 ---
kernel/trace/trace_functions.c | 8 +++---
kernel/trace/trace_irqsoff.c | 10 ++++----
kernel/trace/trace_sched_switch.c | 4 +-
kernel/trace/trace_sched_wakeup.c | 12 ++++-----
7 files changed, 35 insertions(+), 52 deletions(-)

diff --git a/block/blktrace.c b/block/blktrace.c
index 1ebd068..d9d7146 100644
--- a/block/blktrace.c
+++ b/block/blktrace.c
@@ -245,7 +245,7 @@ record_it:
if (pid != 0 &&
!(blk_tracer_flags.val & TRACE_BLK_OPT_CLASSIC) &&
(trace_flags & TRACE_ITER_STACKTRACE) != 0)
- __trace_stack(blk_tr, NULL, flags, 5, pc);
+ __trace_stack(blk_tr, flags, 5, pc);
trace_wake_up();
return;
}
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index a5e4c0a..1d4ff56 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -776,7 +776,7 @@ tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags,
}

void
-trace_function(struct trace_array *tr, struct trace_array_cpu *data,
+trace_function(struct trace_array *tr,
unsigned long ip, unsigned long parent_ip, unsigned long flags,
int pc)
{
@@ -802,7 +802,6 @@ trace_function(struct trace_array *tr, struct trace_array_cpu *data,

#ifdef CONFIG_FUNCTION_GRAPH_TRACER
static void __trace_graph_entry(struct trace_array *tr,
- struct trace_array_cpu *data,
struct ftrace_graph_ent *trace,
unsigned long flags,
int pc)
@@ -826,7 +825,6 @@ static void __trace_graph_entry(struct trace_array *tr,
}

static void __trace_graph_return(struct trace_array *tr,
- struct trace_array_cpu *data,
struct ftrace_graph_ret *trace,
unsigned long flags,
int pc)
@@ -856,11 +854,10 @@ ftrace(struct trace_array *tr, struct trace_array_cpu *data,
int pc)
{
if (likely(!atomic_read(&data->disabled)))
- trace_function(tr, data, ip, parent_ip, flags, pc);
+ trace_function(tr, ip, parent_ip, flags, pc);
}

static void __ftrace_trace_stack(struct trace_array *tr,
- struct trace_array_cpu *data,
unsigned long flags,
int skip, int pc)
{
@@ -891,27 +888,24 @@ static void __ftrace_trace_stack(struct trace_array *tr,
}

static void ftrace_trace_stack(struct trace_array *tr,
- struct trace_array_cpu *data,
unsigned long flags,
int skip, int pc)
{
if (!(trace_flags & TRACE_ITER_STACKTRACE))
return;

- __ftrace_trace_stack(tr, data, flags, skip, pc);
+ __ftrace_trace_stack(tr, flags, skip, pc);
}

void __trace_stack(struct trace_array *tr,
- struct trace_array_cpu *data,
unsigned long flags,
int skip, int pc)
{
- __ftrace_trace_stack(tr, data, flags, skip, pc);
+ __ftrace_trace_stack(tr, flags, skip, pc);
}

static void ftrace_trace_userstack(struct trace_array *tr,
- struct trace_array_cpu *data,
- unsigned long flags, int pc)
+ unsigned long flags, int pc)
{
#ifdef CONFIG_STACKTRACE
struct ring_buffer_event *event;
@@ -942,20 +936,17 @@ static void ftrace_trace_userstack(struct trace_array *tr,
#endif
}

-void __trace_userstack(struct trace_array *tr,
- struct trace_array_cpu *data,
- unsigned long flags)
+void __trace_userstack(struct trace_array *tr, unsigned long flags)
{
- ftrace_trace_userstack(tr, data, flags, preempt_count());
+ ftrace_trace_userstack(tr, flags, preempt_count());
}

static void
-ftrace_trace_special(void *__tr, void *__data,
+ftrace_trace_special(void *__tr,
unsigned long arg1, unsigned long arg2, unsigned long arg3,
int pc)
{
struct ring_buffer_event *event;
- struct trace_array_cpu *data = __data;
struct trace_array *tr = __tr;
struct special_entry *entry;
unsigned long irq_flags;
@@ -971,8 +962,8 @@ ftrace_trace_special(void *__tr, void *__data,
entry->arg2 = arg2;
entry->arg3 = arg3;
ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
- ftrace_trace_stack(tr, data, irq_flags, 4, pc);
- ftrace_trace_userstack(tr, data, irq_flags, pc);
+ ftrace_trace_stack(tr, irq_flags, 4, pc);
+ ftrace_trace_userstack(tr, irq_flags, pc);

trace_wake_up();
}
@@ -981,12 +972,11 @@ void
__trace_special(void *__tr, void *__data,
unsigned long arg1, unsigned long arg2, unsigned long arg3)
{
- ftrace_trace_special(__tr, __data, arg1, arg2, arg3, preempt_count());
+ ftrace_trace_special(__tr, arg1, arg2, arg3, preempt_count());
}

void
tracing_sched_switch_trace(struct trace_array *tr,
- struct trace_array_cpu *data,
struct task_struct *prev,
struct task_struct *next,
unsigned long flags, int pc)
@@ -1010,13 +1000,12 @@ tracing_sched_switch_trace(struct trace_array *tr,
entry->next_state = next->state;
entry->next_cpu = task_cpu(next);
ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
- ftrace_trace_stack(tr, data, flags, 5, pc);
- ftrace_trace_userstack(tr, data, flags, pc);
+ ftrace_trace_stack(tr, flags, 5, pc);
+ ftrace_trace_userstack(tr, flags, pc);
}

void
tracing_sched_wakeup_trace(struct trace_array *tr,
- struct trace_array_cpu *data,
struct task_struct *wakee,
struct task_struct *curr,
unsigned long flags, int pc)
@@ -1040,8 +1029,8 @@ tracing_sched_wakeup_trace(struct trace_array *tr,
entry->next_state = wakee->state;
entry->next_cpu = task_cpu(wakee);
ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
- ftrace_trace_stack(tr, data, flags, 6, pc);
- ftrace_trace_userstack(tr, data, flags, pc);
+ ftrace_trace_stack(tr, flags, 6, pc);
+ ftrace_trace_userstack(tr, flags, pc);

trace_wake_up();
}
@@ -1064,7 +1053,7 @@ ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3)
data = tr->data[cpu];

if (likely(atomic_inc_return(&data->disabled) == 1))
- ftrace_trace_special(tr, data, arg1, arg2, arg3, pc);
+ ftrace_trace_special(tr, arg1, arg2, arg3, pc);

atomic_dec(&data->disabled);
local_irq_restore(flags);
@@ -1092,7 +1081,7 @@ int trace_graph_entry(struct ftrace_graph_ent *trace)
disabled = atomic_inc_return(&data->disabled);
if (likely(disabled == 1)) {
pc = preempt_count();
- __trace_graph_entry(tr, data, trace, flags, pc);
+ __trace_graph_entry(tr, trace, flags, pc);
}
/* Only do the atomic if it is not already set */
if (!test_tsk_trace_graph(current))
@@ -1118,7 +1107,7 @@ void trace_graph_return(struct ftrace_graph_ret *trace)
disabled = atomic_inc_return(&data->disabled);
if (likely(disabled == 1)) {
pc = preempt_count();
- __trace_graph_return(tr, data, trace, flags, pc);
+ __trace_graph_return(tr, trace, flags, pc);
}
if (!trace->depth)
clear_tsk_trace_graph(current);
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index f0c7a0f..df627a9 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -419,14 +419,12 @@ void ftrace(struct trace_array *tr,
unsigned long parent_ip,
unsigned long flags, int pc);
void tracing_sched_switch_trace(struct trace_array *tr,
- struct trace_array_cpu *data,
struct task_struct *prev,
struct task_struct *next,
unsigned long flags, int pc);
void tracing_record_cmdline(struct task_struct *tsk);

void tracing_sched_wakeup_trace(struct trace_array *tr,
- struct trace_array_cpu *data,
struct task_struct *wakee,
struct task_struct *cur,
unsigned long flags, int pc);
@@ -436,7 +434,6 @@ void trace_special(struct trace_array *tr,
unsigned long arg2,
unsigned long arg3, int pc);
void trace_function(struct trace_array *tr,
- struct trace_array_cpu *data,
unsigned long ip,
unsigned long parent_ip,
unsigned long flags, int pc);
@@ -462,7 +459,6 @@ void update_max_tr_single(struct trace_array *tr,
struct task_struct *tsk, int cpu);

void __trace_stack(struct trace_array *tr,
- struct trace_array_cpu *data,
unsigned long flags,
int skip, int pc);

diff --git a/kernel/trace/trace_functions.c b/kernel/trace/trace_functions.c
index b3a320f..d067cea 100644
--- a/kernel/trace/trace_functions.c
+++ b/kernel/trace/trace_functions.c
@@ -78,7 +78,7 @@ function_trace_call_preempt_only(unsigned long ip, unsigned long parent_ip)
disabled = atomic_inc_return(&data->disabled);

if (likely(disabled == 1))
- trace_function(tr, data, ip, parent_ip, flags, pc);
+ trace_function(tr, ip, parent_ip, flags, pc);

atomic_dec(&data->disabled);
ftrace_preempt_enable(resched);
@@ -108,7 +108,7 @@ function_trace_call(unsigned long ip, unsigned long parent_ip)

if (likely(disabled == 1)) {
pc = preempt_count();
- trace_function(tr, data, ip, parent_ip, flags, pc);
+ trace_function(tr, ip, parent_ip, flags, pc);
}

atomic_dec(&data->disabled);
@@ -139,7 +139,7 @@ function_stack_trace_call(unsigned long ip, unsigned long parent_ip)

if (likely(disabled == 1)) {
pc = preempt_count();
- trace_function(tr, data, ip, parent_ip, flags, pc);
+ trace_function(tr, ip, parent_ip, flags, pc);
/*
* skip over 5 funcs:
* __ftrace_trace_stack,
@@ -148,7 +148,7 @@ function_stack_trace_call(unsigned long ip, unsigned long parent_ip)
* ftrace_list_func
* ftrace_call
*/
- __trace_stack(tr, data, flags, 5, pc);
+ __trace_stack(tr, flags, 5, pc);
}

atomic_dec(&data->disabled);
diff --git a/kernel/trace/trace_irqsoff.c b/kernel/trace/trace_irqsoff.c
index ed344b0..c6b442d 100644
--- a/kernel/trace/trace_irqsoff.c
+++ b/kernel/trace/trace_irqsoff.c
@@ -95,7 +95,7 @@ irqsoff_tracer_call(unsigned long ip, unsigned long parent_ip)
disabled = atomic_inc_return(&data->disabled);

if (likely(disabled == 1))
- trace_function(tr, data, ip, parent_ip, flags, preempt_count());
+ trace_function(tr, ip, parent_ip, flags, preempt_count());

atomic_dec(&data->disabled);
}
@@ -153,7 +153,7 @@ check_critical_timing(struct trace_array *tr,
if (!report_latency(delta))
goto out_unlock;

- trace_function(tr, data, CALLER_ADDR0, parent_ip, flags, pc);
+ trace_function(tr, CALLER_ADDR0, parent_ip, flags, pc);

latency = nsecs_to_usecs(delta);

@@ -177,7 +177,7 @@ out:
data->critical_sequence = max_sequence;
data->preempt_timestamp = ftrace_now(cpu);
tracing_reset(tr, cpu);
- trace_function(tr, data, CALLER_ADDR0, parent_ip, flags, pc);
+ trace_function(tr, CALLER_ADDR0, parent_ip, flags, pc);
}

static inline void
@@ -210,7 +210,7 @@ start_critical_timing(unsigned long ip, unsigned long parent_ip)

local_save_flags(flags);

- trace_function(tr, data, ip, parent_ip, flags, preempt_count());
+ trace_function(tr, ip, parent_ip, flags, preempt_count());

per_cpu(tracing_cpu, cpu) = 1;

@@ -244,7 +244,7 @@ stop_critical_timing(unsigned long ip, unsigned long parent_ip)
atomic_inc(&data->disabled);

local_save_flags(flags);
- trace_function(tr, data, ip, parent_ip, flags, preempt_count());
+ trace_function(tr, ip, parent_ip, flags, preempt_count());
check_critical_timing(tr, data, parent_ip ? : ip, cpu);
data->critical_start = 0;
atomic_dec(&data->disabled);
diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c
index df175cb..c4f9add 100644
--- a/kernel/trace/trace_sched_switch.c
+++ b/kernel/trace/trace_sched_switch.c
@@ -43,7 +43,7 @@ probe_sched_switch(struct rq *__rq, struct task_struct *prev,
data = ctx_trace->data[cpu];

if (likely(!atomic_read(&data->disabled)))
- tracing_sched_switch_trace(ctx_trace, data, prev, next, flags, pc);
+ tracing_sched_switch_trace(ctx_trace, prev, next, flags, pc);

local_irq_restore(flags);
}
@@ -66,7 +66,7 @@ probe_sched_wakeup(struct rq *__rq, struct task_struct *wakee, int success)
data = ctx_trace->data[cpu];

if (likely(!atomic_read(&data->disabled)))
- tracing_sched_wakeup_trace(ctx_trace, data, wakee, current,
+ tracing_sched_wakeup_trace(ctx_trace, wakee, current,
flags, pc);

local_irq_restore(flags);
diff --git a/kernel/trace/trace_sched_wakeup.c b/kernel/trace/trace_sched_wakeup.c
index a48c9b4..96d7164 100644
--- a/kernel/trace/trace_sched_wakeup.c
+++ b/kernel/trace/trace_sched_wakeup.c
@@ -72,7 +72,7 @@ wakeup_tracer_call(unsigned long ip, unsigned long parent_ip)
if (task_cpu(wakeup_task) != cpu)
goto unlock;

- trace_function(tr, data, ip, parent_ip, flags, pc);
+ trace_function(tr, ip, parent_ip, flags, pc);

unlock:
__raw_spin_unlock(&wakeup_lock);
@@ -152,8 +152,8 @@ probe_wakeup_sched_switch(struct rq *rq, struct task_struct *prev,
if (unlikely(!tracer_enabled || next != wakeup_task))
goto out_unlock;

- trace_function(wakeup_trace, data, CALLER_ADDR1, CALLER_ADDR2, flags, pc);
- tracing_sched_switch_trace(wakeup_trace, data, prev, next, flags, pc);
+ trace_function(wakeup_trace, CALLER_ADDR1, CALLER_ADDR2, flags, pc);
+ tracing_sched_switch_trace(wakeup_trace, prev, next, flags, pc);

/*
* usecs conversion is slow so we try to delay the conversion
@@ -254,10 +254,8 @@ probe_wakeup(struct rq *rq, struct task_struct *p, int success)

data = wakeup_trace->data[wakeup_cpu];
data->preempt_timestamp = ftrace_now(cpu);
- tracing_sched_wakeup_trace(wakeup_trace, data, p, current,
- flags, pc);
- trace_function(wakeup_trace, data, CALLER_ADDR1, CALLER_ADDR2,
- flags, pc);
+ tracing_sched_wakeup_trace(wakeup_trace, p, current, flags, pc);
+ trace_function(wakeup_trace, CALLER_ADDR1, CALLER_ADDR2, flags, pc);

out_locked:
__raw_spin_unlock(&wakeup_lock);
--
1.6.0.6

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

Next message: Hisashi Hifumi: "[RESEND] [PATCH] lseek: remove i_mutex"
Previous message: Rafael J. Wysocki: "Re: [Bug 12561] hang during suspend to RAM"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]