kernel_samsung_a34x-permissive/include/trace/events/android_fs.h

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#undef TRACE_SYSTEM
#define TRACE_SYSTEM android_fs
#if !defined(_TRACE_ANDROID_FS_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_ANDROID_FS_H
#include <linux/tracepoint.h>
#include <trace/events/android_fs_template.h>
DEFINE_EVENT(android_fs_data_start_template, android_fs_dataread_start,
TP_PROTO(struct inode *inode, loff_t offset, int bytes,
pid_t pid, char *pathname, char *command),
TP_ARGS(inode, offset, bytes, pid, pathname, command));
DEFINE_EVENT(android_fs_data_end_template, android_fs_dataread_end,
TP_PROTO(struct inode *inode, loff_t offset, int bytes),
TP_ARGS(inode, offset, bytes));
DEFINE_EVENT(android_fs_data_start_template, android_fs_datawrite_start,
TP_PROTO(struct inode *inode, loff_t offset, int bytes,
pid_t pid, char *pathname, char *command),
TP_ARGS(inode, offset, bytes, pid, pathname, command));
DEFINE_EVENT(android_fs_data_end_template, android_fs_datawrite_end,
TP_PROTO(struct inode *inode, loff_t offset, int bytes),
TP_ARGS(inode, offset, bytes));
#ifdef CONFIG_F2FS_ML_BASED_STREAM_SEPARATION
DEFINE_EVENT(android_fs_separation_template,
android_fs_separation_start,
TP_PROTO(struct inode *inode, loff_t offset, int bytes,
pid_t pid, char *pathname, char *command, long long *arr,
long long calculate_cold),
TP_ARGS(inode, offset, bytes, pid, pathname, command, arr,
calculate_cold));
DEFINE_EVENT(android_fs_data_wb_template, android_fs_datawrite_start_wb,
TP_PROTO(struct inode *inode, loff_t offset, int bytes,
pid_t pid, char *pathname, char *command, unsigned long long time,
int is_cache, int is_file, int is_fuse,
unsigned long long write_chunk, long long *arr),
TP_ARGS(inode, offset, bytes, pid, pathname, command, time, is_cache,
is_file, is_fuse, write_chunk, arr));
#endif
DEFINE_EVENT(android_fs_fsync_start_template, android_fs_fsync_start,
TP_PROTO(struct inode *inode,
pid_t pid, char *pathname, char *command),
TP_ARGS(inode, pid, pathname, command));
DEFINE_EVENT(android_fs_data_end_template, android_fs_fsync_end,
TP_PROTO(struct inode *inode, loff_t offset, int bytes),
TP_ARGS(inode, offset, bytes));
#endif /* _TRACE_ANDROID_FS_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
#ifndef ANDROID_FSTRACE_GET_PATHNAME
#define ANDROID_FSTRACE_GET_PATHNAME
/* Sizes an on-stack array, so careful if sizing this up ! */
#define MAX_TRACE_PATHBUF_LEN 256
static inline char *
android_fstrace_get_pathname(char *buf, int buflen, struct inode *inode)
{
char *path;
struct dentry *d;
/*
* d_obtain_alias() will either iput() if it locates an existing
* dentry or transfer the reference to the new dentry created.
* So get an extra reference here.
*/
ihold(inode);
d = d_obtain_alias(inode);
if (likely(!IS_ERR(d))) {
path = dentry_path_raw(d, buf, buflen);
if (unlikely(IS_ERR(path))) {
strcpy(buf, "ERROR");
path = buf;
}
dput(d);
} else {
strcpy(buf, "ERROR");
path = buf;
}
return path;
}
#endif