[for-next][PATCH 04/11] rv: Remove trailing whitespace from tracepoint string
From: Steven Rostedt
Date: Mon Jul 28 2025 - 16:50:47 EST
From: Gabriele Monaco <gmonaco@xxxxxxxxxx>
RV event tracepoints print a line with the format:
"event_xyz: S0 x event -> S1 "
"event_xyz: S1 x event -> S0 (final)"
While printing an event leading to a non-final state, the line
has a trailing white space (visible above before the closing ").
Adapt the format string not to print the trailing whitespace if we are
not printing "(final)".
Cc: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Tomas Glozar <tglozar@xxxxxxxxxx>
Cc: Juri Lelli <jlelli@xxxxxxxxxx>
Cc: Clark Williams <williams@xxxxxxxxxx>
Cc: John Kacur <jkacur@xxxxxxxxxx>
Link: https://lore.kernel.org/20250728135022.255578-3-gmonaco@xxxxxxxxxx
Reviewed-by: Nam Cao <namcao@xxxxxxxxxxxxx>
Signed-off-by: Gabriele Monaco <gmonaco@xxxxxxxxxx>
Signed-off-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx>
---
kernel/trace/rv/rv_trace.h | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/kernel/trace/rv/rv_trace.h b/kernel/trace/rv/rv_trace.h
index b6f310498466..17ba07329b67 100644
--- a/kernel/trace/rv/rv_trace.h
+++ b/kernel/trace/rv/rv_trace.h
@@ -29,11 +29,11 @@ DECLARE_EVENT_CLASS(event_da_monitor,
__entry->final_state = final_state;
),
- TP_printk("%s x %s -> %s %s",
+ TP_printk("%s x %s -> %s%s",
__entry->state,
__entry->event,
__entry->next_state,
- __entry->final_state ? "(final)" : "")
+ __entry->final_state ? " (final)" : "")
);
DECLARE_EVENT_CLASS(error_da_monitor,
@@ -90,12 +90,12 @@ DECLARE_EVENT_CLASS(event_da_monitor_id,
__entry->final_state = final_state;
),
- TP_printk("%d: %s x %s -> %s %s",
+ TP_printk("%d: %s x %s -> %s%s",
__entry->id,
__entry->state,
__entry->event,
__entry->next_state,
- __entry->final_state ? "(final)" : "")
+ __entry->final_state ? " (final)" : "")
);
DECLARE_EVENT_CLASS(error_da_monitor_id,
--
2.47.2