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tracing: Use seq_buf for building dynevent_cmd string

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The dynevent_cmd commands that build up the command string don't need
to do that themselves - there's a seq_buf facility that does pretty
much the same thing those command are doing manually, so use it
instead.

Link: http://lkml.kernel.org/r/eb8a6e835c964d0ab8a38cbf5ffa60746b54a465.1580506712.git.zanussi@kernel.org

Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Tom Zanussi <zanussi@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This commit is contained in:
Tom Zanussi 2020-01-31 15:55:34 -06:00 • committed by Steven Rostedt (VMware)
parent e9260f6257
commit 2b90927c77
4 changed files with 16 additions and 40 deletions
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4
include/linux/trace_events.h
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@ -367,10 +367,8 @@ struct dynevent_cmd;
typedef int (*dynevent_create_fn_t)(struct dynevent_cmd *cmd);
struct dynevent_cmd {
char *buf;
struct seq_buf seq;
const char *event_name;
int maxlen;
int remaining;
unsigned int n_fields;
enum dynevent_type type;
dynevent_create_fn_t run_command;