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authorSteven Rostedt (Red Hat) <rostedt@goodmis.org>2016-09-07 12:45:09 -0400
committerSteven Rostedt <rostedt@goodmis.org>2016-09-12 09:59:46 -0400
commitf971cc9aabc287120bbe7f3f1abe70c13e61ee94 (patch)
tree9d1dc39fb8ddd1bf34fa06b960baa36b0b70a1f1 /kernel/trace/trace.h
parent7b2c86250122de316cbab8754050622ead04af39 (diff)
downloadlinux-f971cc9aabc287120bbe7f3f1abe70c13e61ee94.tar.bz2
tracing: Have max_latency be defined for HWLAT_TRACER as well
The hwlat tracer uses tr->max_latency, and if it's the only tracer enabled that uses it, the build will fail. Add max_latency and its file when the hwlat tracer is enabled. Link: http://lkml.kernel.org/r/d6c3b7eb-ba95-1ffa-0453-464e1e24262a@infradead.org Reported-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace.h')
-rw-r--r--kernel/trace/trace.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 1d866b0c1567..fd24b1f9ac43 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -214,6 +214,8 @@ struct trace_array {
*/
struct trace_buffer max_buffer;
bool allocated_snapshot;
+#endif
+#if defined(CONFIG_TRACER_MAX_TRACE) || defined(CONFIG_HWLAT_TRACER)
unsigned long max_latency;
#endif
struct trace_pid_list __rcu *filtered_pids;