Re: [PATCH V3 4/9] tracing/hwlat: Implement the per-cpu mode
From: Steven Rostedt <rostedt@goodmis.org>
Date: 2021-06-03 21:18:04
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On Fri, 14 May 2021 22:51:13 +0200 Daniel Bristot de Oliveira [off-list ref] wrote:
void trace_hwlat_callback(bool enter)
{
- if (smp_processor_id() != nmi_cpu)
+ struct hwlat_kthread_data *kdata = get_cpu_data();
+
+ if (kdata->kthread)Shouldn't that be: if (!kdata->kthread) ? -- Steve
quoted hunk ↗ jump to hunk
return; /*@@ -158,13 +173,13 @@ void trace_hwlat_callback(bool enter) */ if (!IS_ENABLED(CONFIG_GENERIC_SCHED_CLOCK)) { if (enter) - nmi_ts_start = time_get(); + kdata->nmi_ts_start = time_get(); else - nmi_total_ts += time_get() - nmi_ts_start; + kdata->nmi_total_ts += time_get() - kdata->nmi_ts_start; } if (enter) - nmi_count++; + kdata->nmi_count++; }