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tracing: Fix DECLARE_TRACE_CONDITION

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Commit 287050d390 ("tracing: Add TRACE_EVENT_CONDITIONAL()") adds
macros to define conditional trace events (TRACE_EVENT_CONDITIONAL) and
tracepoints (DECLARE_TRACE_CONDITION), but sets up functionality for
direct use only for the former.

Add preprocessor bits in define_trace.h to allow usage of
DECLARE_TRACE_CONDITION just like DECLARE_TRACE.

Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Juri Lelli <juri.lelli@redhat.com>
Link: https://lore.kernel.org/20250218123121.253551-2-gmonaco@redhat.com
Fixes: 287050d390 ("tracing: Add TRACE_EVENT_CONDITIONAL()")
Link: https://lore.kernel.org/linux-trace-kernel/20250128111926.303093-1-gmonaco@redhat.com
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Gabriele Monaco <gmonaco@redhat.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
This commit is contained in:
Gabriele Monaco 2025-02-18 13:31:06 +01:00 committed by Steven Rostedt (Google)
parent a065bbf776
commit 486df3466d
1 changed files with 7 additions and 0 deletions
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7
include/trace/define_trace.h
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@ -76,6 +76,10 @@
#define DECLARE_TRACE(name, proto, args) \
DEFINE_TRACE(name, PARAMS(proto), PARAMS(args))
#undef DECLARE_TRACE_CONDITION
#define DECLARE_TRACE_CONDITION(name, proto, args, cond) \
DEFINE_TRACE(name, PARAMS(proto), PARAMS(args))
/* If requested, create helpers for calling these tracepoints from Rust. */
#ifdef CREATE_RUST_TRACE_POINTS
#undef DEFINE_RUST_DO_TRACE
@ -108,6 +112,8 @@
/* Make all open coded DECLARE_TRACE nops */
#undef DECLARE_TRACE
#define DECLARE_TRACE(name, proto, args)
#undef DECLARE_TRACE_CONDITION
#define DECLARE_TRACE_CONDITION(name, proto, args, cond)
#ifdef TRACEPOINTS_ENABLED
#include <trace/trace_events.h>
@ -129,6 +135,7 @@
#undef DEFINE_EVENT_CONDITION
#undef TRACE_HEADER_MULTI_READ
#undef DECLARE_TRACE
#undef DECLARE_TRACE_CONDITION
/* Only undef what we defined in this file */
#ifdef UNDEF_TRACE_INCLUDE_FILE