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OpenCloudOS-Kernel
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oprofile: simplify sync_buffer() 

Make code more readable. No functional changes.

Signed-off-by: Robert Richter <robert.richter@amd.com>
This commit is contained in:
Robert Richter 2008-12-18 19:44:20 +01:00
parent 9741b309bb
commit 317f33bce6
1 changed files with 14 additions and 6 deletions
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20
drivers/oprofile/buffer_sync.c
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@ -579,12 +579,20 @@ void sync_buffer(int cpu)
add_user_ctx_switch(new, cookie);
break;
}
} else if (state >= sb_bt_start &&
!add_sample(mm, s, in_kernel)) {
if (state == sb_bt_start) {
state = sb_bt_ignore;
atomic_inc(&oprofile_stats.bt_lost_no_mapping);
}
continue;
}
if (state < sb_bt_start)
/* ignore sample */
continue;
if (add_sample(mm, s, in_kernel))
continue;
/* ignore backtraces if failed to add a sample */
if (state == sb_bt_start) {
state = sb_bt_ignore;
atomic_inc(&oprofile_stats.bt_lost_no_mapping);
}
}
release_mm(mm);