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rtla: Introduce for_each_action() helper

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The for loop to iterate over the list of actions is used in
more than one place. To avoid code duplication and improve
readability, introduce a for_each_action() helper macro.

Replace the open-coded for loops with the new helper.

Signed-off-by: Wander Lairson Costa <wander@redhat.com>
Link: https://lore.kernel.org/r/20260106133655.249887-4-wander@redhat.com
Signed-off-by: Tomas Glozar <tglozar@redhat.com>
This commit is contained in:
Wander Lairson Costa 2026-01-06 08:49:39 -03:00 committed by Tomas Glozar
parent 2a3a25336b
commit 648634d17c
2 changed files with 9 additions and 2 deletions
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6
tools/tracing/rtla/src/actions.c
View File

@ -32,7 +32,9 @@ void
actions_destroy(struct actions *self)
{
/* Free any action-specific data */
for (struct action *action = self->list; action < self->list + self->len; action++) {
struct action *action;
for_each_action(self, action) {
if (action->type == ACTION_SHELL)
free(action->command);
if (action->type == ACTION_TRACE_OUTPUT)
@ -223,7 +225,7 @@ actions_perform(struct actions *self)
int pid, retval;
const struct action *action;
for (action = self->list; action < self->list + self->len; action++) {
for_each_action(self, action) {
switch (action->type) {
case ACTION_TRACE_OUTPUT:
retval = save_trace_to_file(self->trace_output_inst, action->trace_output);

5
tools/tracing/rtla/src/actions.h
View File

@ -42,6 +42,11 @@ struct actions {
struct tracefs_instance *trace_output_inst;
};
#define for_each_action(actions, action) \
for ((action) = (actions)->list; \
(action) < (actions)->list + (actions)->len; \
(action)++)
void actions_init(struct actions *self);
void actions_destroy(struct actions *self);
int actions_add_trace_output(struct actions *self, const char *trace_output);