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tracing/ftrace: Allow instances to have their own function probes

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Pass around the local trace_array that is the descriptor for tracing
instances, when enabling and disabling probes. This by default sets the
enable/disable of event probe triggers to work with instances.

The other probes will need some more work to get them working with
instances.

Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt (VMware) 2017-04-20 11:31:35 -04:00
parent 6e4443199e
commit d2afd57a4b
1 changed files with 2 additions and 2 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

4
kernel/trace/ftrace.c
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@ -3077,7 +3077,7 @@ static void *
t_probe_next(struct seq_file *m, loff_t *pos) t_probe_next(struct seq_file *m, loff_t *pos)
{ {
struct ftrace_iterator *iter = m->private; struct ftrace_iterator *iter = m->private;
struct trace_array *tr = global_ops.private; struct trace_array *tr = iter->ops->private;
struct list_head *func_probes; struct list_head *func_probes;
struct ftrace_hash *hash; struct ftrace_hash *hash;
struct list_head *next; struct list_head *next;
@ -4311,7 +4311,7 @@ static int ftrace_process_regex(struct ftrace_iterator *iter,
char *buff, int len, int enable) char *buff, int len, int enable)
{ {
struct ftrace_hash *hash = iter->hash; struct ftrace_hash *hash = iter->hash;
struct trace_array *tr = global_ops.private; struct trace_array *tr = iter->ops->private;
char *func, *command, *next = buff; char *func, *command, *next = buff;
struct ftrace_func_command *p; struct ftrace_func_command *p;
int ret = -EINVAL; int ret = -EINVAL;