tmp-debug: use stacktrace_record() instead of dunmping onto console.

diff --git a/lustre/kernel_patches/patches/tmp-debug.patch b/lustre/kernel_patches/patches/tmp-debug.patch
index 660daf8..e163883 100644 (file)
--- a/lustre/kernel_patches/patches/tmp-debug.patch
+++ b/lustre/kernel_patches/patches/tmp-debug.patch
@@ -12,21 +12,12 @@ Index: linux/fs/buffer.c
  /*
   * Perform a pagecache lookup for the matching buffer.  If it's there, refresh
   * it in the LRU and mark it as accessed.  If it is not present then return
-@@ -1538,6 +1541,18 @@ __find_get_block(struct block_device *bd
+@@ -1538,6 +1541,9 @@ __find_get_block(struct block_device *bd
  {
        struct buffer_head *bh = lookup_bh_lru(bdev, block, size);
  
-+      if (__find_get_block_trace != 0) {
-+              static unsigned long last_dump = 0;
-+
-+              if (last_dump == 0 ||
-+                  time_after(jiffies,
-+                             last_dump + __find_get_block_trace * HZ)) {
-+                      last_dump = jiffies;
-+                      printk("%s@%lu\n", __FUNCTION__, last_dump);
-+                      dump_stack();
-+              }
-+      }
++      if (__find_get_block_trace != 0)
++              stacktrace_record();
 +
        if (bh == NULL) {
                bh = __find_get_block_slow(bdev, block, size);
@@ -45,21 +36,12 @@ Index: linux/kernel/sched.c
  /***
   * try_to_wake_up - wake up a thread
   * @p: the to-be-woken-up thread
-@@ -1132,6 +1135,18 @@ static int try_to_wake_up(task_t * p, un
+@@ -1132,6 +1135,9 @@ static int try_to_wake_up(task_t * p, un
        int new_cpu;
  #endif
  
-+      if (try_to_wake_up_trace != 0) {
-+              static unsigned long last_dump = 0;
-+
-+              if (last_dump == 0 ||
-+                  time_after(jiffies,
-+                             last_dump + try_to_wake_up_trace * HZ)) {
-+                      last_dump = jiffies;
-+                      printk("%s@%lu\n", __FUNCTION__, last_dump);
-+                      dump_stack();
-+              }
-+      }
++      if (try_to_wake_up_trace != 0)
++              stacktrace_record();
 +
        rq = task_rq_lock(p, &flags);
        schedstat_inc(rq, ttwu_cnt);