diff options
Diffstat (limited to 'kernel/trace/trace.h')
-rw-r--r-- | kernel/trace/trace.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 652c682..2a6d032 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_KERNEL_TRACE_H #define _LINUX_KERNEL_TRACE_H @@ -738,8 +739,6 @@ extern int trace_selftest_startup_wakeup(struct tracer *trace, struct trace_array *tr); extern int trace_selftest_startup_nop(struct tracer *trace, struct trace_array *tr); -extern int trace_selftest_startup_sched_switch(struct tracer *trace, - struct trace_array *tr); extern int trace_selftest_startup_branch(struct tracer *trace, struct trace_array *tr); /* @@ -1459,7 +1458,7 @@ extern struct trace_event_file *find_event_file(struct trace_array *tr, static inline void *event_file_data(struct file *filp) { - return ACCESS_ONCE(file_inode(filp)->i_private); + return READ_ONCE(file_inode(filp)->i_private); } extern struct mutex event_mutex; @@ -1754,6 +1753,13 @@ void trace_printk_start_comm(void); int trace_keep_overwrite(struct tracer *tracer, u32 mask, int set); int set_tracer_flag(struct trace_array *tr, unsigned int mask, int enabled); +#define MAX_EVENT_NAME_LEN 64 + +extern int trace_run_command(const char *buf, int (*createfn)(int, char**)); +extern ssize_t trace_parse_run_command(struct file *file, + const char __user *buffer, size_t count, loff_t *ppos, + int (*createfn)(int, char**)); + /* * Normal trace_printk() and friends allocates special buffers * to do the manipulation, as well as saves the print formats |