[for-next][PATCH 08/15] cpufreq: amd-pstate: Use trace_call__##name() at guarded tracepoint call site
From: Steven Rostedt
Date: Fri May 22 2026 - 10:44:28 EST
From: Vineeth Pillai <vineeth@xxxxxxxxxxxxxxx>
Replace trace_foo() with the new trace_call__foo() at sites already
guarded by trace_foo_enabled(), avoiding a redundant
static_branch_unlikely() re-evaluation inside the tracepoint.
trace_call__foo() calls the tracepoint callbacks directly without
utilizing the static branch again.
Cc: Huang Rui <ray.huang@xxxxxxx>
Cc: "Rafael J. Wysocki" <rafael@xxxxxxxxxx>
Cc: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
Link: https://patch.msgid.link/20260515140121.2239414-1-vineeth@xxxxxxxxxxxxxxx
Suggested-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
Suggested-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Assisted-by: Claude:claude-sonnet-4-6
Reviewed-by: Mario Limonciello <mario.limonciello@xxxxxxx>
Signed-off-by: Vineeth Pillai (Google) <vineeth@xxxxxxxxxxxxxxx>
Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
---
drivers/cpufreq/amd-pstate.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
index 453084c67327..4722de25149b 100644
--- a/drivers/cpufreq/amd-pstate.c
+++ b/drivers/cpufreq/amd-pstate.c
@@ -368,7 +368,8 @@ static int amd_pstate_set_floor_perf(struct cpufreq_policy *policy, u8 perf)
out_trace:
if (trace_amd_pstate_cppc_req2_enabled())
- trace_amd_pstate_cppc_req2(cpudata->cpu, perf, changed, ret);
+ trace_call__amd_pstate_cppc_req2(cpudata->cpu, perf, changed,
+ ret);
return ret;
}
--
2.53.0