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-rw-r--r--tools/perf/builtin-sched.c101
-rw-r--r--tools/perf/util/trace-event-parse.c23
-rw-r--r--tools/perf/util/trace-event.h3
3 files changed, 102 insertions, 25 deletions
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index de93a260452..0215936696e 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -653,6 +653,30 @@ process_comm_event(event_t *event, unsigned long offset, unsigned long head)
return 0;
}
+
+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)
+
+#define FILL_ARRAY(ptr, array, event, data) \
+do { \
+ void *__array = raw_field_ptr(event, #array, data); \
+ memcpy(ptr.array, __array, sizeof(ptr.array)); \
+} while(0)
+
+#define FILL_COMMON_FIELDS(ptr, event, data) \
+do { \
+ FILL_FIELD(ptr, common_type, event, data); \
+ FILL_FIELD(ptr, common_flags, event, data); \
+ FILL_FIELD(ptr, common_preempt_count, event, data); \
+ FILL_FIELD(ptr, common_pid, event, data); \
+ FILL_FIELD(ptr, common_tgid, event, data); \
+} while (0)
+
struct trace_wakeup_event {
u32 size;
@@ -671,22 +695,32 @@ struct trace_wakeup_event {
};
static void
-process_sched_wakeup_event(struct trace_wakeup_event *wakeup_event, struct event *event,
+process_sched_wakeup_event(struct raw_event_sample *raw, struct event *event,
int cpu __used, u64 timestamp __used, struct thread *thread __used)
{
struct task_desc *waker, *wakee;
+ struct trace_wakeup_event wakeup_event;
+
+ FILL_COMMON_FIELDS(wakeup_event, event, raw->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);
+
if (verbose) {
printf("sched_wakeup event %p\n", event);
printf(" ... pid %d woke up %s/%d\n",
- wakeup_event->common_pid,
- wakeup_event->comm,
- wakeup_event->pid);
+ wakeup_event.common_pid,
+ wakeup_event.comm,
+ wakeup_event.pid);
}
- waker = register_pid(wakeup_event->common_pid, "<unknown>");
- wakee = register_pid(wakeup_event->pid, wakeup_event->comm);
+ waker = register_pid(wakeup_event.common_pid, "<unknown>");
+ wakee = register_pid(wakeup_event.pid, wakeup_event.comm);
add_sched_event_wakeup(waker, timestamp, wakee);
}
@@ -714,13 +748,24 @@ struct trace_switch_event {
unsigned long cpu_last_switched[MAX_CPUS];
static void
-process_sched_switch_event(struct trace_switch_event *switch_event, struct event *event,
+process_sched_switch_event(struct raw_event_sample *raw, struct event *event,
int cpu __used, u64 timestamp __used, struct thread *thread __used)
{
+ struct trace_switch_event switch_event;
struct task_desc *prev, *next;
u64 timestamp0;
s64 delta;
+ FILL_COMMON_FIELDS(switch_event, event, raw->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);
+
if (verbose)
printf("sched_switch event %p\n", event);
@@ -738,18 +783,18 @@ process_sched_switch_event(struct trace_switch_event *switch_event, struct event
if (verbose) {
printf(" ... switch from %s/%d to %s/%d [ran %Ld nsecs]\n",
- switch_event->prev_comm, switch_event->prev_pid,
- switch_event->next_comm, switch_event->next_pid,
+ switch_event.prev_comm, switch_event.prev_pid,
+ switch_event.next_comm, switch_event.next_pid,
delta);
}
- prev = register_pid(switch_event->prev_pid, switch_event->prev_comm);
- next = register_pid(switch_event->next_pid, switch_event->next_comm);
+ prev = register_pid(switch_event.prev_pid, switch_event.prev_comm);
+ next = register_pid(switch_event.next_pid, switch_event.next_comm);
cpu_last_switched[cpu] = timestamp;
add_sched_event_run(prev, timestamp, delta);
- add_sched_event_sleep(prev, timestamp, switch_event->prev_state);
+ add_sched_event_sleep(prev, timestamp, switch_event.prev_state);
}
struct trace_fork_event {
@@ -768,16 +813,25 @@ struct trace_fork_event {
};
static void
-process_sched_fork_event(struct trace_fork_event *fork_event, struct event *event,
+process_sched_fork_event(struct raw_event_sample *raw, struct event *event,
int cpu __used, u64 timestamp __used, struct thread *thread __used)
{
+ struct trace_fork_event fork_event;
+
+ FILL_COMMON_FIELDS(fork_event, event, raw->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);
+
if (verbose) {
printf("sched_fork event %p\n", event);
- printf("... parent: %s/%d\n", fork_event->parent_comm, fork_event->parent_pid);
- printf("... child: %s/%d\n", fork_event->child_comm, fork_event->child_pid);
+ printf("... parent: %s/%d\n", fork_event.parent_comm, fork_event.parent_pid);
+ printf("... child: %s/%d\n", fork_event.child_comm, fork_event.child_pid);
}
- register_pid(fork_event->parent_pid, fork_event->parent_comm);
- register_pid(fork_event->child_pid, fork_event->child_comm);
+ register_pid(fork_event.parent_pid, fork_event.parent_comm);
+ register_pid(fork_event.child_pid, fork_event.child_comm);
}
static void process_sched_exit_event(struct event *event,
@@ -791,10 +845,7 @@ static void
process_raw_event(event_t *raw_event __used, void *more_data,
int cpu, u64 timestamp, struct thread *thread)
{
- struct {
- u32 size;
- char data[0];
- } *raw = more_data;
+ struct raw_event_sample *raw = more_data;
struct event *event;
int type;
@@ -802,13 +853,13 @@ process_raw_event(event_t *raw_event __used, void *more_data,
event = trace_find_event(type);
if (!strcmp(event->name, "sched_switch"))
- process_sched_switch_event(more_data, event, cpu, timestamp, thread);
+ process_sched_switch_event(raw, event, cpu, timestamp, thread);
if (!strcmp(event->name, "sched_wakeup"))
- process_sched_wakeup_event(more_data, event, cpu, timestamp, thread);
+ process_sched_wakeup_event(raw, event, cpu, timestamp, thread);
if (!strcmp(event->name, "sched_wakeup_new"))
- process_sched_wakeup_event(more_data, event, cpu, timestamp, thread);
+ process_sched_wakeup_event(raw, event, cpu, timestamp, thread);
if (!strcmp(event->name, "sched_process_fork"))
- process_sched_fork_event(more_data, event, cpu, timestamp, thread);
+ process_sched_fork_event(raw, event, cpu, timestamp, thread);
if (!strcmp(event->name, "sched_process_exit"))
process_sched_exit_event(event, cpu, timestamp, thread);
}
diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c
index 16cf2d51c4e..64d6e302751 100644
--- a/tools/perf/util/trace-event-parse.c
+++ b/tools/perf/util/trace-event-parse.c
@@ -1776,6 +1776,29 @@ static unsigned long long read_size(void *ptr, int size)
}
}
+unsigned long long
+raw_field_value(struct event *event, const char *name, void *data)
+{
+ struct format_field *field;
+
+ field = find_any_field(event, name);
+ if (!field)
+ return 0ULL;
+
+ return read_size(data + field->offset, field->size);
+}
+
+void *raw_field_ptr(struct event *event, const char *name, void *data)
+{
+ struct format_field *field;
+
+ field = find_any_field(event, name);
+ if (!field)
+ return NULL;
+
+ return data + field->offset;
+}
+
static int get_common_info(const char *type, int *offset, int *size)
{
struct event *event;
diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h
index bc81612fd24..d35ebf1e29f 100644
--- a/tools/perf/util/trace-event.h
+++ b/tools/perf/util/trace-event.h
@@ -236,6 +236,9 @@ extern int header_page_data_size;
int parse_header_page(char *buf, unsigned long size);
int trace_parse_common_type(void *data);
struct event *trace_find_event(int id);
+unsigned long long
+raw_field_value(struct event *event, const char *name, void *data);
+void *raw_field_ptr(struct event *event, const char *name, void *data);
void read_tracing_data(struct perf_counter_attr *pattrs, int nb_counters);