Messages in this thread Patch in this message | | | From | Joel Fernandes <> | Subject | [PATCH] tracing: Remove obsolete sched_switch tracer selftest | Date | Fri, 8 Sep 2017 23:55:17 -0700 |
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Since commit 87d80de2800d087ea833cb79bc13f85ff34ed49f ("tracing: Remove obsolete sched_switch tracer"), the sched_switch tracer selftest is no longer used. This patch removes the same.
Cc: kernel-team@android.com Cc: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Joel Fernandes <joelaf@google.com> --- 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 490ba229931d..2760b5c76d6e 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -735,8 +735,6 @@ 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 cb917cebae29..fe554abc463f 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) -- 2.14.1.581.gf28d330327-goog
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