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path: root/fs/f2fs/trace.h
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2015-01-09f2fs: add f2fs_destroy_trace_ios to free radix treeJaegeuk Kim
This patch removes radix tree after finishing tracing IOs. Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2015-01-09f2fs: add spin_lock to cover radix operations in IO tracerJaegeuk Kim
This patch adds spin_lock to cover radix tree operations in IO tracer. Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2015-01-09f2fs: add key functions for f2fs_io_tracerJaegeuk Kim
This patch adds two key functions to trace process ids and IOs. The basic idea is to 1. remain process ids, pids, in page->private. 2. show pids in IO traces. So, later we can retrieve process information according to IO traces. Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2015-01-09f2fs: add f2fs_io_tracer supportJaegeuk Kim
This patch adds: o initial trace.c and trace.h with skeleton functions o Kconfig and Makefile to activate this feature Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>