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authorIngo Molnar <mingo@elte.hu>2012-03-05 09:20:08 +0100
committerIngo Molnar <mingo@elte.hu>2012-03-05 09:20:08 +0100
commit737f24bda723fdf89ecaacb99fa2bf5683c32799 (patch)
tree35495fff3e9956679cb5468e74e6814c8e44ee66 /include/trace
parent8eedce996556d7d06522cd3a0e6069141c8dffe0 (diff)
parentb7c924274c456499264d1cfa3d44063bb11eb5db (diff)
Merge branch 'perf/urgent' into perf/core
Conflicts: tools/perf/builtin-record.c tools/perf/builtin-top.c tools/perf/perf.h tools/perf/util/top.h Merge reason: resolve these cherry-picking conflicts. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/sched.h50
-rw-r--r--include/trace/events/writeback.h7
2 files changed, 5 insertions, 52 deletions
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
index e61ddfe8fe9e..fbc7b1ad929b 100644
--- a/include/trace/events/sched.h
+++ b/include/trace/events/sched.h
@@ -397,56 +397,6 @@ TRACE_EVENT(sched_stat_runtime,
(unsigned long long)__entry->vruntime)
);
-#ifdef CREATE_TRACE_POINTS
-static inline u64 trace_get_sleeptime(struct task_struct *tsk)
-{
-#ifdef CONFIG_SCHEDSTATS
- u64 block, sleep;
-
- block = tsk->se.statistics.block_start;
- sleep = tsk->se.statistics.sleep_start;
- tsk->se.statistics.block_start = 0;
- tsk->se.statistics.sleep_start = 0;
-
- return block ? block : sleep ? sleep : 0;
-#else
- return 0;
-#endif
-}
-#endif
-
-/*
- * Tracepoint for accounting sleeptime (time the task is sleeping
- * or waiting for I/O).
- */
-TRACE_EVENT(sched_stat_sleeptime,
-
- TP_PROTO(struct task_struct *tsk, u64 now),
-
- TP_ARGS(tsk, now),
-
- TP_STRUCT__entry(
- __array( char, comm, TASK_COMM_LEN )
- __field( pid_t, pid )
- __field( u64, sleeptime )
- ),
-
- TP_fast_assign(
- memcpy(__entry->comm, tsk->comm, TASK_COMM_LEN);
- __entry->pid = tsk->pid;
- __entry->sleeptime = trace_get_sleeptime(tsk);
- __entry->sleeptime = __entry->sleeptime ?
- now - __entry->sleeptime : 0;
- )
- TP_perf_assign(
- __perf_count(__entry->sleeptime);
- ),
-
- TP_printk("comm=%s pid=%d sleeptime=%Lu [ns]",
- __entry->comm, __entry->pid,
- (unsigned long long)__entry->sleeptime)
-);
-
/*
* Tracepoint for showing priority inheritance modifying a tasks
* priority.
diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h
index 8588a8918023..5973410e8f8c 100644
--- a/include/trace/events/writeback.h
+++ b/include/trace/events/writeback.h
@@ -47,7 +47,10 @@ DECLARE_EVENT_CLASS(writeback_work_class,
__field(int, reason)
),
TP_fast_assign(
- strncpy(__entry->name, dev_name(bdi->dev), 32);
+ struct device *dev = bdi->dev;
+ if (!dev)
+ dev = default_backing_dev_info.dev;
+ strncpy(__entry->name, dev_name(dev), 32);
__entry->nr_pages = work->nr_pages;
__entry->sb_dev = work->sb ? work->sb->s_dev : 0;
__entry->sync_mode = work->sync_mode;
@@ -426,7 +429,7 @@ DECLARE_EVENT_CLASS(writeback_single_inode_template,
TP_fast_assign(
strncpy(__entry->name,
- dev_name(inode->i_mapping->backing_dev_info->dev), 32);
+ dev_name(inode_to_bdi(inode)->dev), 32);
__entry->ino = inode->i_ino;
__entry->state = inode->i_state;
__entry->dirtied_when = inode->dirtied_when;