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Subject[for-next][PATCH 01/16] tracing: Remove obsolete sched_switch tracer selftest
From: Joel Fernandes <joelaf@google.com>

Since commit 87d80de2800d087ea833cb79bc13f85ff34ed49f ("tracing: Remove
obsolete sched_switch tracer"), the sched_switch tracer selftest is no longer
used. This patch removes the same.

Link: http://lkml.kernel.org/r/20170909065517.22262-1-joelaf@google.com

Cc: Ingo Molnar <mingo@redhat.com>
Cc: kernel-team@android.com
Signed-off-by: Joel Fernandes <joelaf@google.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
---
kernel/trace/trace.h | 2 --
kernel/trace/trace_selftest.c | 32 --------------------------------
2 files changed, 34 deletions(-)

diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 652c682707cd..3c078e2ad777 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -738,8 +738,6 @@ extern int trace_selftest_startup_wakeup(struct tracer *trace,
struct trace_array *tr);
extern int trace_selftest_startup_nop(struct tracer *trace,
struct trace_array *tr);
-extern int trace_selftest_startup_sched_switch(struct tracer *trace,
- struct trace_array *tr);
extern int trace_selftest_startup_branch(struct tracer *trace,
struct trace_array *tr);
/*
diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c
index b17ec642793b..364f78abdf47 100644
--- a/kernel/trace/trace_selftest.c
+++ b/kernel/trace/trace_selftest.c
@@ -1150,38 +1150,6 @@ trace_selftest_startup_wakeup(struct tracer *trace, struct trace_array *tr)
}
#endif /* CONFIG_SCHED_TRACER */

-#ifdef CONFIG_CONTEXT_SWITCH_TRACER
-int
-trace_selftest_startup_sched_switch(struct tracer *trace, struct trace_array *tr)
-{
- unsigned long count;
- int ret;
-
- /* start the tracing */
- ret = tracer_init(trace, tr);
- if (ret) {
- warn_failed_init_tracer(trace, ret);
- return ret;
- }
-
- /* Sleep for a 1/10 of a second */
- msleep(100);
- /* stop the tracing. */
- tracing_stop();
- /* check the trace buffer */
- ret = trace_test_buffer(&tr->trace_buffer, &count);
- trace->reset(tr);
- tracing_start();
-
- if (!ret && !count) {
- printk(KERN_CONT ".. no entries found ..");
- ret = -1;
- }
-
- return ret;
-}
-#endif /* CONFIG_CONTEXT_SWITCH_TRACER */
-
#ifdef CONFIG_BRANCH_TRACER
int
trace_selftest_startup_branch(struct tracer *trace, struct trace_array *tr)
--
2.13.2

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