25cc70f312
Adds tracepoints in ext4/f2fs/mpage to track readpages/buffered write()s. This allows us to track files that are being read/written to PIDs. (Merged from android4.4-common). Signed-off-by: Mohan Srinivasan <srmohan@google.com>
31 lines
1 KiB
C
31 lines
1 KiB
C
#undef TRACE_SYSTEM
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#define TRACE_SYSTEM android_fs
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#if !defined(_TRACE_ANDROID_FS_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_ANDROID_FS_H
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#include <linux/tracepoint.h>
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#include <trace/events/android_fs_template.h>
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DEFINE_EVENT(android_fs_data_start_template, android_fs_dataread_start,
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TP_PROTO(struct inode *inode, loff_t offset, int bytes,
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pid_t pid, char *command),
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TP_ARGS(inode, offset, bytes, pid, command));
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DEFINE_EVENT(android_fs_data_end_template, android_fs_dataread_end,
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TP_PROTO(struct inode *inode, loff_t offset, int bytes),
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TP_ARGS(inode, offset, bytes));
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DEFINE_EVENT(android_fs_data_start_template, android_fs_datawrite_start,
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TP_PROTO(struct inode *inode, loff_t offset, int bytes,
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pid_t pid, char *command),
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TP_ARGS(inode, offset, bytes, pid, command));
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DEFINE_EVENT(android_fs_data_end_template, android_fs_datawrite_end,
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TP_PROTO(struct inode *inode, loff_t offset, int bytes),
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TP_ARGS(inode, offset, bytes));
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#endif /* _TRACE_ANDROID_FS_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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