[PATCH] perf_event: fix for processing raw event - fix

Xiao Guangrong
2009-12-07T05:05:41Z

raw->size is not used, this patch just cleanup it

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
---
tools/perf/builtin-kmem.c | 38 +++++++-----------
tools/perf/builtin-sched.c | 94 +++++++++++++++++++------------------------
2 files changed, 56 insertions(+), 76 deletions(-)

diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index f84d7a3..7551a5f 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -57,11 +57,6 @@ static struct rb_root root_caller_sorted;
static unsigned long total_requested, total_allocated;
static unsigned long nr_allocs, nr_cross_allocs;

-struct raw_event_sample {
- u32 size;
- char data[0];
-};
-
#define PATH_SYS_NODE "/sys/devices/system/node"

static void init_cpunode_map(void)
@@ -201,7 +196,7 @@ static void insert_caller_stat(unsigned long call_site,
}
}

-static void process_alloc_event(struct raw_event_sample *raw,
+static void process_alloc_event(void *data,
struct event *event,
int cpu,
u64 timestamp __used,
@@ -214,10 +209,10 @@ static void process_alloc_event(struct raw_event_sample *raw,
int bytes_alloc;
int node1, node2;

- ptr = raw_field_value(event, "ptr", raw->data);
- call_site = raw_field_value(event, "call_site", raw->data);
- bytes_req = raw_field_value(event, "bytes_req", raw->data);
- bytes_alloc = raw_field_value(event, "bytes_alloc", raw->data);
+ ptr = raw_field_value(event, "ptr", data);
+ call_site = raw_field_value(event, "call_site", data);
+ bytes_req = raw_field_value(event, "bytes_req", data);
+ bytes_alloc = raw_field_value(event, "bytes_alloc", data);

insert_alloc_stat(call_site, ptr, bytes_req, bytes_alloc, cpu);
insert_caller_stat(call_site, bytes_req, bytes_alloc);
@@ -227,7 +222,7 @@ static void process_alloc_event(struct raw_event_sample *raw,

if (node) {
node1 = cpunode_map[cpu];
- node2 = raw_field_value(event, "node", raw->data);
+ node2 = raw_field_value(event, "node", data);
if (node1 != node2)
nr_cross_allocs++;
}
@@ -262,7 +257,7 @@ static struct alloc_stat *search_alloc_stat(unsigned long ptr,
return NULL;
}

-static void process_free_event(struct raw_event_sample *raw,
+static void process_free_event(void *data,
struct event *event,
int cpu,
u64 timestamp __used,
@@ -271,7 +266,7 @@ static void process_free_event(struct raw_event_sample *raw,
unsigned long ptr;
struct alloc_stat *s_alloc, *s_caller;

- ptr = raw_field_value(event, "ptr", raw->data);
+ ptr = raw_field_value(event, "ptr", data);

s_alloc = search_alloc_stat(ptr, 0, &root_alloc_stat, ptr_cmp);
if (!s_alloc)
@@ -289,35 +284,30 @@ static void process_free_event(struct raw_event_sample *raw,
}

static void
-process_raw_event(event_t *raw_event __used, u32 size, void *data,
+process_raw_event(event_t *raw_event __used, void *data,
int cpu, u64 timestamp, struct thread *thread)
{
- struct raw_event_sample *raw;
struct event *event;
int type;

- raw = malloc_or_die(sizeof(*raw)+size);
- raw->size = size;
- memcpy(raw->data, data, size);
-
- type = trace_parse_common_type(raw->data);
+ type = trace_parse_common_type(data);
event = trace_find_event(type);

if (!strcmp(event->name, "kmalloc") ||
!strcmp(event->name, "kmem_cache_alloc")) {
- process_alloc_event(raw, event, cpu, timestamp, thread, 0);
+ process_alloc_event(data, event, cpu, timestamp, thread, 0);
return;
}

if (!strcmp(event->name, "kmalloc_node") ||
!strcmp(event->name, "kmem_cache_alloc_node")) {
- process_alloc_event(raw, event, cpu, timestamp, thread, 1);
+ process_alloc_event(data, event, cpu, timestamp, thread, 1);
return;
}

if (!strcmp(event->name, "kfree") ||
!strcmp(event->name, "kmem_cache_free")) {
- process_free_event(raw, event, cpu, timestamp, thread);
+ process_free_event(data, event, cpu, timestamp, thread);
return;
}
}
@@ -349,7 +339,7 @@ static int process_sample_event(event_t *event)

dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid);

- process_raw_event(event, data.raw_size, data.raw_data, data.cpu,
+ process_raw_event(event, data.raw_data, data.cpu,
data.time, thread);

return 0;
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index 4655e16..19f43fa 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -628,11 +628,6 @@ static void test_calibrations(void)
printf("the sleep test took %Ld nsecs\n", T1-T0);
}

-struct raw_event_sample {
- u32 size;
- char data[0];
-};
-
#define FILL_FIELD(ptr, field, event, data) \
ptr.field = (typeof(ptr.field)) raw_field_value(event, #field, data)

@@ -1356,7 +1351,7 @@ static void sort_lat(void)
static struct trace_sched_handler *trace_handler;

static void
-process_sched_wakeup_event(struct raw_event_sample *raw,
+process_sched_wakeup_event(void *data,
struct event *event,
int cpu __used,
u64 timestamp __used,
@@ -1364,13 +1359,13 @@ process_sched_wakeup_event(struct raw_event_sample *raw,
{
struct trace_wakeup_event wakeup_event;

- FILL_COMMON_FIELDS(wakeup_event, event, raw->data);
+ FILL_COMMON_FIELDS(wakeup_event, event, data);

- FILL_ARRAY(wakeup_event, comm, event, raw->data);
- FILL_FIELD(wakeup_event, pid, event, raw->data);
- FILL_FIELD(wakeup_event, prio, event, raw->data);
- FILL_FIELD(wakeup_event, success, event, raw->data);
- FILL_FIELD(wakeup_event, cpu, event, raw->data);
+ FILL_ARRAY(wakeup_event, comm, event, data);
+ FILL_FIELD(wakeup_event, pid, event, data);
+ FILL_FIELD(wakeup_event, prio, event, data);
+ FILL_FIELD(wakeup_event, success, event, data);
+ FILL_FIELD(wakeup_event, cpu, event, data);

if (trace_handler->wakeup_event)
trace_handler->wakeup_event(&wakeup_event, event, cpu, timestamp, thread);
@@ -1469,7 +1464,7 @@ map_switch_event(struct trace_switch_event *switch_event,

static void
-process_sched_switch_event(struct raw_event_sample *raw,
+process_sched_switch_event(void *data,
struct event *event,
int this_cpu,
u64 timestamp __used,
@@ -1477,15 +1472,15 @@ process_sched_switch_event(struct raw_event_sample *raw,
{
struct trace_switch_event switch_event;

- FILL_COMMON_FIELDS(switch_event, event, raw->data);
+ FILL_COMMON_FIELDS(switch_event, event, data);

- FILL_ARRAY(switch_event, prev_comm, event, raw->data);
- FILL_FIELD(switch_event, prev_pid, event, raw->data);
- FILL_FIELD(switch_event, prev_prio, event, raw->data);
- FILL_FIELD(switch_event, prev_state, event, raw->data);
- FILL_ARRAY(switch_event, next_comm, event, raw->data);
- FILL_FIELD(switch_event, next_pid, event, raw->data);
- FILL_FIELD(switch_event, next_prio, event, raw->data);
+ FILL_ARRAY(switch_event, prev_comm, event, data);
+ FILL_FIELD(switch_event, prev_pid, event, data);
+ FILL_FIELD(switch_event, prev_prio, event, data);
+ FILL_FIELD(switch_event, prev_state, event, data);
+ FILL_ARRAY(switch_event, next_comm, event, data);
+ FILL_FIELD(switch_event, next_pid, event, data);
+ FILL_FIELD(switch_event, next_prio, event, data);

if (curr_pid[this_cpu] != (u32)-1) {
/*
@@ -1502,7 +1497,7 @@ process_sched_switch_event(struct raw_event_sample *raw,
}

static void
-process_sched_runtime_event(struct raw_event_sample *raw,
+process_sched_runtime_event(void *data,
struct event *event,
int cpu __used,
u64 timestamp __used,
@@ -1510,17 +1505,17 @@ process_sched_runtime_event(struct raw_event_sample *raw,
{
struct trace_runtime_event runtime_event;

- FILL_ARRAY(runtime_event, comm, event, raw->data);
- FILL_FIELD(runtime_event, pid, event, raw->data);
- FILL_FIELD(runtime_event, runtime, event, raw->data);
- FILL_FIELD(runtime_event, vruntime, event, raw->data);
+ FILL_ARRAY(runtime_event, comm, event, data);
+ FILL_FIELD(runtime_event, pid, event, data);
+ FILL_FIELD(runtime_event, runtime, event, data);
+ FILL_FIELD(runtime_event, vruntime, event, data);

if (trace_handler->runtime_event)
trace_handler->runtime_event(&runtime_event, event, cpu, timestamp, thread);
}

static void
-process_sched_fork_event(struct raw_event_sample *raw,
+process_sched_fork_event(void *data,
struct event *event,
int cpu __used,
u64 timestamp __used,
@@ -1528,12 +1523,12 @@ process_sched_fork_event(struct raw_event_sample *raw,
{
struct trace_fork_event fork_event;

- FILL_COMMON_FIELDS(fork_event, event, raw->data);
+ FILL_COMMON_FIELDS(fork_event, event, data);

- FILL_ARRAY(fork_event, parent_comm, event, raw->data);
- FILL_FIELD(fork_event, parent_pid, event, raw->data);
- FILL_ARRAY(fork_event, child_comm, event, raw->data);
- FILL_FIELD(fork_event, child_pid, event, raw->data);
+ FILL_ARRAY(fork_event, parent_comm, event, data);
+ FILL_FIELD(fork_event, parent_pid, event, data);
+ FILL_ARRAY(fork_event, child_comm, event, data);
+ FILL_FIELD(fork_event, child_pid, event, data);

if (trace_handler->fork_event)
trace_handler->fork_event(&fork_event, event, cpu, timestamp, thread);
@@ -1550,7 +1545,7 @@ process_sched_exit_event(struct event *event,
}

static void
-process_sched_migrate_task_event(struct raw_event_sample *raw,
+process_sched_migrate_task_event(void *data,
struct event *event,
int cpu __used,
u64 timestamp __used,
@@ -1558,46 +1553,42 @@ process_sched_migrate_task_event(struct raw_event_sample *raw,
{
struct trace_migrate_task_event migrate_task_event;

- FILL_COMMON_FIELDS(migrate_task_event, event, raw->data);
+ FILL_COMMON_FIELDS(migrate_task_event, event, data);

- FILL_ARRAY(migrate_task_event, comm, event, raw->data);
- FILL_FIELD(migrate_task_event, pid, event, raw->data);
- FILL_FIELD(migrate_task_event, prio, event, raw->data);
- FILL_FIELD(migrate_task_event, cpu, event, raw->data);
+ FILL_ARRAY(migrate_task_event, comm, event, data);
+ FILL_FIELD(migrate_task_event, pid, event, data);
+ FILL_FIELD(migrate_task_event, prio, event, data);
+ FILL_FIELD(migrate_task_event, cpu, event, data);

if (trace_handler->migrate_task_event)
trace_handler->migrate_task_event(&migrate_task_event, event, cpu, timestamp, thread);
}

static void
-process_raw_event(event_t *raw_event __used, u32 size, void *data,
+process_raw_event(event_t *raw_event __used, void *data,
int cpu, u64 timestamp, struct thread *thread)
{
- struct raw_event_sample *raw;
struct event *event;
int type;

- raw = malloc_or_die(sizeof(*raw)+size);
- raw->size = size;
- memcpy(raw->data, data, size);

- type = trace_parse_common_type(raw->data);
+ type = trace_parse_common_type(data);
event = trace_find_event(type);

if (!strcmp(event->name, "sched_switch"))
- process_sched_switch_event(raw, event, cpu, timestamp, thread);
+ process_sched_switch_event(data, event, cpu, timestamp, thread);
if (!strcmp(event->name, "sched_stat_runtime"))
- process_sched_runtime_event(raw, event, cpu, timestamp, thread);
+ process_sched_runtime_event(data, event, cpu, timestamp, thread);
if (!strcmp(event->name, "sched_wakeup"))
- process_sched_wakeup_event(raw, event, cpu, timestamp, thread);
+ process_sched_wakeup_event(data, event, cpu, timestamp, thread);
if (!strcmp(event->name, "sched_wakeup_new"))
- process_sched_wakeup_event(raw, event, cpu, timestamp, thread);
+ process_sched_wakeup_event(data, event, cpu, timestamp, thread);
if (!strcmp(event->name, "sched_process_fork"))
- process_sched_fork_event(raw, event, cpu, timestamp, thread);
+ process_sched_fork_event(data, event, cpu, timestamp, thread);
if (!strcmp(event->name, "sched_process_exit"))
process_sched_exit_event(event, cpu, timestamp, thread);
if (!strcmp(event->name, "sched_migrate_task"))
- process_sched_migrate_task_event(raw, event, cpu, timestamp, thread);
+ process_sched_migrate_task_event(data, event, cpu, timestamp, thread);
}

static int process_sample_event(event_t *event)
@@ -1633,8 +1624,7 @@ static int process_sample_event(event_t *event)
if (profile_cpu != -1 && profile_cpu != (int)data.cpu)
return 0;

- process_raw_event(event, data.raw_size, data.raw_data, data.cpu,
- data.time, thread);
+ process_raw_event(event, data.raw_data, data.cpu, data.time, thread);

return 0;
}
--
1.6.1.2