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tracing: Convert function graph set_flags() to use a switch() statement

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Currently the set_flags() of the function graph tracer has a bunch of:

  if (bit == FLAG1) {
	[..]
  }

  if (bit == FLAG2) {
	[..]
  }

To clean it up a bit, convert it over to a switch statement.

Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: https://patch.msgid.link/20251114192319.117123664@kernel.org
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt
2025-11-14 14:22:33 -05:00
committed by Steven Rostedt (Google)
parent 5abb6ccb58
commit bc089c4725
1 changed files with 7 additions and 5 deletions
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12
kernel/trace/trace_functions_graph.c
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@@ -1664,7 +1664,8 @@ func_graph_set_flag(struct trace_array *tr, u32 old_flags, u32 bit, int set)
if (!!set == !!(tr->current_trace_flags->val & bit))
return 0;
if (bit == TRACE_GRAPH_SLEEP_TIME) {
switch (bit) {
case TRACE_GRAPH_SLEEP_TIME:
if (set) {
fgraph_no_sleep_time--;
if (WARN_ON_ONCE(fgraph_no_sleep_time < 0))
@@ -1672,19 +1673,20 @@ func_graph_set_flag(struct trace_array *tr, u32 old_flags, u32 bit, int set)
} else {
fgraph_no_sleep_time++;
}
}
break;
if (bit == TRACE_GRAPH_PRINT_IRQS) {
case TRACE_GRAPH_PRINT_IRQS:
if (set)
ftrace_graph_skip_irqs--;
else
ftrace_graph_skip_irqs++;
if (WARN_ON_ONCE(ftrace_graph_skip_irqs < 0))
ftrace_graph_skip_irqs = 0;
}
break;
if (bit == TRACE_GRAPH_ARGS)
case TRACE_GRAPH_ARGS:
return ftrace_graph_trace_args(tr, set);
}
return 0;
}