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tracing: Replace the static global per_cpu arrays with allocated per_cpu

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The global and max-tr currently use static per_cpu arrays for the CPU data
descriptors. But in order to get new allocated trace_arrays, they need to
be allocated per_cpu arrays. Instead of using the static arrays, switch
the global and max-tr to use allocated data.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt 2012-08-06 16:24:11 -04:00 • committed by Steven Rostedt
parent ccb469a198
commit a7603ff4b5
10 changed files with 80 additions and 62 deletions
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4
kernel/trace/trace_functions_graph.c
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@ -265,7 +265,7 @@ int trace_graph_entry(struct ftrace_graph_ent *trace)
local_irq_save(flags);
cpu = raw_smp_processor_id();
data = tr->data[cpu];
data = per_cpu_ptr(tr->data, cpu);
disabled = atomic_inc_return(&data->disabled);
if (likely(disabled == 1)) {
pc = preempt_count();
@ -350,7 +350,7 @@ void trace_graph_return(struct ftrace_graph_ret *trace)
local_irq_save(flags);
cpu = raw_smp_processor_id();
data = tr->data[cpu];
data = per_cpu_ptr(tr->data, cpu);
disabled = atomic_inc_return(&data->disabled);
if (likely(disabled == 1)) {
pc = preempt_count();